WO2001034947A1 - Dispositif de commande de la synchronisation d'une soupape - Google Patents
Dispositif de commande de la synchronisation d'une soupape Download PDFInfo
- Publication number
- WO2001034947A1 WO2001034947A1 PCT/JP1999/006263 JP9906263W WO0134947A1 WO 2001034947 A1 WO2001034947 A1 WO 2001034947A1 JP 9906263 W JP9906263 W JP 9906263W WO 0134947 A1 WO0134947 A1 WO 0134947A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotating member
- valve timing
- holding means
- adjusting device
- radial direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2101—Cams
- Y10T74/2102—Adjustable
Definitions
- the present invention relates to a valve timing adjustment device for changing the opening / closing timing of an intake valve or an exhaust valve according to the operating conditions of an engine.
- the camshaft is driven via a timing pulley or a chain protocol that rotates synchronously with the crankshaft of the engine, and the position is determined by the relative rotation between the timing pulley chainprotocket and the camshaft.
- a vane-type valve timing adjustment device that opens and closes at least one of an intake valve and an exhaust valve based on a phase difference, one disclosed in Japanese Patent Application Laid-Open No. 9-3103118 is disclosed. Are known.
- FIG. 1 to 3 are drawings showing a conventional vane type valve timing adjusting device
- FIG. 1 is a longitudinal sectional view of the valve timing adjusting device
- FIGS. 2 and 3 show the same.
- Fig. 1 is a sectional view taken along the line A-A in Fig. 1
- Fig. 2 shows the case where the force is at the most retarded position with respect to the rotation of the timing pulley
- Fig. 3 shows the timing pulley. This shows the case where the camshaft is at the most advanced position with respect to the rotation of.
- 1 is a valve timing adjustment device
- 2 is a camshaft for an intake valve rotatably supported on a cylinder head (not shown). As shown in FIG.
- a timing pulley 3 is provided at the end of the camshaft 2 to receive the torque of an engine crankshaft (not shown) via a belt or a chain.
- the external pulley 5 is fixed to the timing pulley 3 so that the bolt 4 cannot rotate relative to the timing pulley 3.
- Cover 6 is fixed to one end of outer row 5 by bolt 4 described above.
- an inner row 7 whose camshaft 2 has an axial length substantially equal to that of the outer port 5 is provided inside the outer port 5, an inner row 7 whose camshaft 2 has an axial length substantially equal to that of the outer port 5 is provided.
- 3 is integrally attached to the tip of the camshaft 2 by a bolt 9 so as to be sandwiched between the ridge 8 of the camshaft 2 and the inner opening 7.
- an advance oil passage 10 and a retard oil passage 11 are formed by cutting in the axial direction, and the oil suction and discharge passages 1 provided in a cylinder head (not shown) are provided. It is connected to a hydraulic supply (not shown) via 2 and 13.
- FIGS. 2 and 3 on the inner peripheral side of the outer rotor 5, five pressure chambers 15 partitioned by partition walls 14 and extend in the radial direction of the outer port 5.
- One support hole 16 is formed.
- a communication hole 17 having a smaller diameter than that of the support hole 16 is provided substantially at the center of the bottom of the support hole 16.
- a slide bin 18 is inserted into the communication hole 17, and the slide bin 18 is fixed to the outer periphery of the slide bin holding portion 19 formed integrally with the lower end of the slide pin 18 and the support hole 16. It is urged toward the inner peripheral side of the outer port 5 by a spring 21 arranged between the ring member 20 and the outer ring 5.
- the ring member 20 is fixed to the support hole 16 by press fitting or screwing, and forms a support seat for fixing one end of the spring 21 to a predetermined position. ing.
- vanes 22 are attached to the outer peripheral side of the internal rotor 7 at positions corresponding to the pressure chambers 15, respectively.
- the vanes 22 are rotatable in the circumferential direction of the camshaft 2 in the pressure chamber 15 and the five pressure chambers 15 are advanced hydraulic chambers 23, 24, 25, 26, and 2. 7 and the retard hydraulic chamber 2 8, 2 9, It is divided into 30, 31, and 32.
- Advance hydraulic chambers 23, 24, 25, 26 and 27 are supplied via advance oil passage 10 and advance oil passages 33, 34, 35, 36 and 37 respectively.
- the oil pressure is adjusted by the discharged oil, and the retard hydraulic chambers 28, 29, 30, 30, 31 and 32 are respectively provided with the retard oil passages 11 and the delay oil passages 38, 39.
- Reference numeral 43 denotes a receiving hole provided in the inner opening 7 through which a slide pin 18 can be inserted
- reference numeral 44 denotes an oil passage communicating with the receiving hole 43.
- the oil passage 44 communicates with the advance oil passage 10 and the advance oil passages 33, 34, 35, 36, and 37.
- the cam shaft 2 In the state shown in FIG. 2, the cam shaft 2 is at the most retarded position with respect to the rotation direction of the timing pulley 3 shown by the arrow in FIG. 2, and the rotation of the crank shaft (not shown) is performed. Is transmitted to the timing pulley 3, the cam shaft 2, which cannot rotate relative to the timing pulley 3 via the slide bin 18, also rotates in the direction of the arrow in FIG. 2.
- the phase of the vane 22 can be shifted in the direction of rotation of the camshaft 2, and the control circuit (not shown) controls the engine speed according to the engine speed and the state of the engine output.
- the control circuit (not shown) controls the engine speed according to the engine speed and the state of the engine output.
- the oil in the retard hydraulic chambers 28, 29, 30, 31, and 32 passes through the retard oil passages 38, 39, 40, 41, and 42 and the retard oil passage 11. Is discharged.
- the vane 22 is rotated to the most advanced position shown in FIG. 3 by utilizing the oil pressure difference on both sides of the vane 22, and the cam shaft 2 is moved in response to the rotation of the timing pulley 3. It can be advanced.
- the vane 22 at the most advanced position shown in FIG. 3 is moved to the most retarded position shown in FIG. 2, and the cam shaft 2 is retarded with respect to the rotation of the timing pulley 3.
- the control valves (not shown) are switched to control the retard hydraulic chambers 28, 29 from the retard oil passage 11 through the retard oil passages 38, 39, 40, 41, and 42. , 30, 31, and 32, and oil in the advance hydraulic chambers 23, 24, 25, 26, and 27 is supplied to the advance oil passages 33, 34, and 35. , 36 and 37 through the advance oil passage 10 to rotate the vane 22 to the most retarded position shown in FIG.
- the timing pulley 3 is rotated, the slide bin 18 urged by the spring 21 toward the force shaft 2 is inserted into the receiving hole 43, and the force shaft 2 and the timing pulley are rotated. 3 relative rotation is restricted.
- the ring member 20 shown in FIG. 2 since the ring member 20 shown in FIG. 2 is fixed by press fitting or screwing, for example, the ring member 20 may be loosened due to poor press-fitting, may be loosened due to a difference in linear expansion coefficient between the support hole 16 and the ring member 20 due to a temperature change, or may be loosened due to a loosened screw portion due to vibration. Displacement of the locking member 20 occurs. As a result, the set length of the spring 21 that urges the slide pin 18 shown in FIGS. 2 and 3 in the axial direction of the valve adjusting device becomes longer than necessary.
- the biasing force of the spring 21 decreases, and depending on its size, the slide bin 18 comes out of the receiving hole 43, so the relative rotation between the external port 5 and the internal port 7 must be restricted. Even in this case, there is a possibility that relative rotation cannot be regulated, and in extreme cases, the ring member 20 may come off from the support hole 16 and cause a fatal malfunction. There was a problem that there is nature.
- the present invention has been made to solve the above-described problems, and has a restricting means for securely preventing a holding means corresponding to the ring member 20 from coming off and preventing a displacement thereof. It is another object of the present invention to provide a valve timing adjustment device having relative rotation control means for reliably restricting or canceling the relative rotation between the outer rotor 5 and the inner port 7. Disclosure of the invention
- the present invention provides a first rotating member having a plurality of shafts rotatably provided on a camshaft, and a predetermined rotating member having a plurality of vanes housed in the first rotating member.
- a second rotating member which is relatively rotatable within an angular range and is connected and fixed to the force shaft, and is formed between a vane of the second rotating member and a shoe of the first rotating member.
- a locking mechanism for restricting the relative rotation between the first rotating member and the second rotating member by operating along the radial direction of the first rotating member.
- the valve timing adjustment device provided with: the locking mechanism, the first rotating unit Restraining means that is movable in the radial direction of the member and that restrains the relative rotation between the first rotating member and the second rotating member so as to be released; and an outer peripheral portion of the second rotating member.
- a receiving hole provided for receiving the restraining means, biasing means for biasing the restraining means radially inward of the first rotating member, holding means for positioning the biasing means, and the holding means And a restricting means for restricting the first rotating member from moving outward in the radial direction.
- the urging means positioned by the holding means can also be prevented from moving in the same direction, it is possible to prevent the restraining means from coming out of the receiving hole at an early stage in the relative rotation restricting state, and If necessary, the slide pin 18 can be securely engaged with the receiving hole 43, so that the relative rotation between the first rotating member and the second rotating member can be surely achieved. Can be regulated.
- a regulating means using a knock bin is disposed on the first rotating member in an axial direction of the first rotating member, and a tip end of the regulating means is engaged with the holding means. Things.
- the regulating means by engaging the regulating means with the holding means, it is possible to easily regulate the movement of the holding means and the restraining means outward in the radial direction of the first rotating member.
- the present invention provides the holding means having a small-diameter portion radially outward of the first rotating member, and a step formed by the small-diameter portion and the large-diameter portion adjacent to the small-diameter portion, and a tip end of the regulating means being provided. It is designed to be engaged. In this case, by engaging the regulating means with the step of the holding means, the movement of the holding means and the restraining means in the radially outward direction of the first rotating member can be reliably regulated.
- one end of the restricting means that penetrates the first rotating member in the axial direction of the first rotating member is supported so as to be relatively rotatable with respect to the cam shaft, and is driven by the crank shaft.
- Engage with the third rotating member and The other end of the step is engaged with the holding means.
- the holding means and the restraining means move radially outward of the first rotating member. Can be reliably regulated.
- the present invention also includes a receiving hole extending in a radial direction of the first rotating member in the first rotating member and receiving the holding means, and a circumferential groove formed in an inner wall portion of the receiving hole.
- the restricting means is a partially cut-out substantially annular member that can be fitted into the circumferential groove.
- the restricting means fitted and fixed in the circumferential groove of the first rotating member can be brought into contact with the holding means, and the holding means and the restraining means can be radially out of the first rotating member. The movement to the direction can be surely restricted.
- the present invention also provides a first rotating member having a receiving hole extending in a radial direction of the first rotating member and receiving the holding means, and a circumferential groove formed in an inner wall portion of the receiving hole.
- the holding means has a projection protruding radially outward of the first rotating member, and the regulating means engages with the peripheral groove of the first rotating member and a central opening for receiving the projection of the holding means.
- This is a disk-shaped member having the following. In this case, by holding the protrusion of the holding means through the center opening of the regulating means and engaging the outer peripheral edge of the regulating means with the circumferential groove of the first rotating member, the holding means is held in a deformed state.
- the holding means By pressing the protrusion of the means inward in the radial direction of the first rotating member, the holding means is deformed and inserted, while the restricting means is returned to a substantially original shape. Thereby, the movement of the holding means and the restraining means to the radially outward direction of the first rotating member can be surely restricted.
- An annular force bar is provided, and the inner peripheral surface of the annular cover is brought into contact with the holding means. In this case, the annular cover of the first rotating member is used as the regulating means.
- the regulating means is a skirt portion of a substantially cylindrical cover member that covers the first rotating member and the second rotating member at the same time, and an inner peripheral surface of the skirt portion of the cover member contacts the holding means. It is intended to be.
- the cylindrical cover member as the restricting means, it is possible to reliably restrict the movement of the holding means and the restricting means in the radially outward direction of the first rotating member.
- the present invention also provides a first rotating member having a receiving hole extending in the radial direction of the first rotating member and receiving the holding means, wherein the regulating means is formed by rolling the outer peripheral portion of the holding means. It is composed of one screw part and a second screw part rolled into the inner peripheral part of the accommodation hole screwed with the first screw part. In this case, by screwing the first screw portion and the second screw portion, the movement of the holding means and the restraining means in the radially outward direction of the first rotating member can be reliably controlled.
- the regulating means is an adhesive applied between the first screw portion and the second screw portion.
- an adhesive is applied to the screwing surface of the first screw portion and the second screw portion, so that the movement of the holding means and the restraining means to the radially outward direction of the first rotating member can be more reliably controlled. can do.
- FIG. 1 is a longitudinal sectional view showing a conventional vane type valve timing adjusting device.
- FIG. 2 is a cross-sectional view taken along line AA of FIG. 1 when the cam shaft is at the most retarded position with respect to the rotation of the timing pulley.
- FIG. 3 is a cross-sectional view taken along the line AA of FIG. 1 when the force shaft is at the most advanced position with respect to the rotation of the timing pulley.
- FIG. 4 is a longitudinal sectional view showing a main part of the valve timing adjusting device according to Embodiment 1 of the present invention.
- FIG. 5 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 2 of the present invention.
- FIG. 6 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 3 of the present invention.
- FIG. 7 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 4 of the present invention.
- FIG. 8 is a longitudinal sectional view showing a main part of a valve evening adjusting device according to Embodiment 5 of the present invention.
- FIG. 9 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 6 of the present invention.
- Embodiment 1-FIG. 4 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 1 of the present invention. Note that among the components of the valve timing adjustment device according to the first embodiment, the same components as those of the conventional valve timing adjustment device shown in FIG. Is omitted.
- reference numeral 7a denotes a receiving hole provided radially inward from the outer peripheral portion of the inner opening 7.
- the receiving hole 7a has the same inner diameter as the support hole 16 of the external port 5 and communicates with an oil control valve (not shown) via an oil passage (not shown).
- a plunger 45 serving as a restraining means for restraining the movement is slidably provided inside the support hole 16 .
- the plunger 45 is connected to the plunger 45 and a holder 46 serving as a holding means provided in the support hole 16. It is urged radially inward of the outer row 5 by a spring 21 arranged between the two.
- the holder 46 is a substantially cylindrical member, and has a stepped portion 46a composed of a large-diameter portion inside the outer port 5 in the radial direction and a small-diameter portion outside the radial direction. I have.
- the outer cable 5 has a through hole 5a extending from the support hole 16 along the axial direction of the outer port 5 to the one surface of the outer port 5 (the contact surface with the timing pulley 3).
- a knock pin 47 as a restricting means is inserted through the through hole 5a.
- One end of knock bin 47 abuts step 46 a of holder 46 in support hole 16 to restrict the movement of outer rotor 5 of holder 46 in the radially outward direction.
- the other end of the knock bin 47 is inserted into the hole 3 a of the timing pulley 3 to position the external port 5 and the timing pulley 3.
- the lock mechanism according to the first embodiment includes a plunger 45, a receiving hole 7a, a spring 21, a holder 46, and a knock pin 47.
- Reference numeral 48 denotes a chip seal
- reference numeral 49 denotes a backspring made of a panel panel. The chip seal 48 is brought into contact with the internal port 7.
- the hydraulic supply source is supplied to one of the advance hydraulic chamber and the retard hydraulic chamber partitioned by the vane (see FIG. (Not shown), and the oil is discharged from the other advance hydraulic chamber to rotate the vane using the oil pressure difference on both sides.
- the timing pulley 3 is rotated, the plunger urged toward the camshaft 2 by the spring 21 is formed. 45 was inserted into the receiving hole 7a of the inner opening 7 and was connected and fixed to the inner shaft 7 by the camshaft 2 and the outer shaft 5 by the knock bin 47. Rotation relative to the timing pulley 3 is restricted.
- the holding force of the holder 46 is reduced due to the influence of heat or vibration, the knock bin
- the movement of the outer rotor 5 of the holder 46 for holding the spring 21 for biasing the plunger 45 in the support hole 16 can be restricted by the support roller 47. Accordingly, although it is inevitable that the plunger 45 moves slightly outward in the radial direction of the outer port 5 against the urging force of the spring 21 due to centrifugal force, it cannot move in the same direction.
- the restricted holder 46 and the retracted spring 21 can reliably prevent the plunger 45 from coming off the receiving hole 7a.
- the knocking pin 47 controls the movement of the outer opening 5 of the plunger 45 to the outside in the radial direction, and the knocking bin 47 connects the outer pulley 5 and the timing pulley 3 to each other. Also serves as a positioning bin for positioning, reducing the number of parts compared to using pins for different functions, Lighter weight and lower cost can be achieved.
- the knock pin may be a dedicated pin for regulation, and the positioning pin may be a separate component.
- the holder 46 has a step 46a, and one end of the knock pin 47 is brought into contact with the step 46a so that a radius of the outer port 5 of the holder 46 is set.
- a configuration was adopted to prevent movement in the outward direction.However, one of the surfaces of the holder 46 was applied to one end of the knock bin 47 on the outer surface of the outer rotor 5 in the radial direction. You may make contact.
- the large diameter portion and the small diameter portion are provided in the axial direction of the holder 46 to provide the step for knock pin contact.
- a method of arranging a groove for knock bin contact around substantially the entire center may be used.
- FIG. 5 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 2 of the present invention. Note that among the components of the valve timing adjustment device according to Embodiment 2 that are the same as those of the valve timing adjustment device according to Embodiment 1 shown in FIG. And the description of that part is omitted.
- a bottomed cylindrical holder (holding means) 50 is accommodated in a support hole 16 as a storage hole, and is formed on an inner peripheral surface of the support hole 16.
- a substantially annular member (restriction means) 51 is detachably fitted into a circumferential groove (not shown), and the holder 50 and the substantially annular member 51 are fitted with the plunger 45, the receiving hole 7a and the spring 21. Together with the mouth mechanism. For this reason, as shown in FIG. 5, the outer ring 5 of the holder 50 is moved radially outward by the substantially annular member 51 fitted in the circumferential groove (not shown). Can be reliably regulated.
- the plunger 4 5 Although it is inevitable that the outer rotor 5 will move slightly outward in the radial direction against the biasing force of the spring 21 by force, the holder 50 whose movement in the same direction has been restricted and has retracted The spring 21 can reliably prevent the plunger 45 from coming off the receiving hole 7a.
- the circumferential groove (not shown) may be formed over the entire inner peripheral surface of the support hole 16, but is formed only in a portion corresponding to the shape of the substantially annular member 51. It may be configured with a groove. Further, the substantially annular member is not a complete annular member, and for example, a C-ring or an E-ring can be suitably employed in consideration of mounting workability, etc., but is not limited thereto. No.
- the substantially annular member 51 having an outer diameter slightly larger than the inner diameter of the support hole 16 by the depth of the circumferential groove (not shown). It is required to exhibit the flexibility that it can be deformed to the extent that it can pass through the support hole 16 and that it can easily return to its original shape. For this reason, it is desirable that the substantially annular member 51 be formed of a flexible material such as metal or plastic.
- FIG. 6 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 3 of the present invention. It should be noted that among the components of the valve timing adjustment device according to Embodiment 3, the components of the valve timing adjustment device according to Embodiment 1 or Embodiment 2 shown in FIG. 4 or FIG. The common components are denoted by the same reference numerals, and the description of those portions is omitted.
- the feature of the third embodiment is that a small-diameter portion and a middle-diameter portion communicating between a large-diameter portion on the radially inner side of the external rotor 5 and a middle-diameter portion on the radially outer side are included.
- a holder 52 having a stepped portion 52a is accommodated in the support hole 16 and a central opening through which the protrusion 52b formed of the middle diameter portion and the small diameter portion of the holder 52 can be inserted.
- the holder 52 and the nut member 53 are locked together with the plunger 45, the receiving hole 7a and the spring 21 by using a substantially disk-shaped nut member (restriction means) 53 having 53a. It is in constituting the mechanism.
- the outer peripheral edge of the nut member 53 can be fitted into a circumferential groove (not shown) formed on the inner peripheral surface of the support hole 16, and the center opening 53 a of the holder 52 is
- the inner peripheral edge of the central opening 53a is engaged with the step 52a of the holder 52.
- the outer peripheral edge of the nut member 53 is fitted into the circumferential groove in the support hole 16.
- the central portion of the holder 52 where the protrusion 52b is formed is dropped inward in the radial direction of the outer rotor 5 until the nut member 52 returns to the original flat shape. Be included.
- a cutout portion 52c is formed at the center of the holder 52 where the protrusion portion 52b is formed.
- the nut member 53 as a restricting means is deformed at the time of attachment to the holder 52, and finally the nut 52 is pressed by pressing the projection 52b of the holder 52. So that the holder 53 is returned to its original shape and the holder 53 is fixed in the support hole 16, so-called push nut structure is adopted, so that the stepped portion 5a of the holder 52 does not break. As far as possible, the outward movement of the outer opening 5 of the holder 52 in the radial direction can be reliably restricted. Therefore, although it is inevitable that the plunger 45 moves slightly outward in the radial direction of the outer port — evening 5 against the urging force of the spring 21 due to the centrifugal force, the movement in the same direction is restricted. The detached holder 52 and the retracted spring 21 can reliably prevent the plunger 45 from detaching from the receiving hole 7a.
- FIG. 7 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 4 of the present invention. Note that among the components of the valve timing adjustment device according to the fourth embodiment, those that are common to the components of the valve timing adjustment device according to any of the first to third embodiments are denoted by the same reference numerals. And the description of that part is omitted.
- the feature of the fourth embodiment is that a substantially cylindrical holder 54 is accommodated in the support hole 16, and the inner peripheral surface of the annular cover (restriction means) 55 covering the outer peripheral surface of the outer rotor 5 is formed as described above.
- the holder 54 is brought into contact with the holder 54, and the holder 54 and the annular cover 55 together with the plunger 45, the receiving hole 7 a and the spring 21 constitute a lock mechanism.
- the position of the holder 54 in the support hole 16 needs to be set so that the radially outer surface of the outer rotor 5 is substantially flush with the outer peripheral surface of the outer rotor 5.
- the inner peripheral surface of the annular cover 55 as a protection member for the outer rotor 5 is used as it is as the regulating means.
- a predetermined position on the inner peripheral surface of the annular cover 55 is used.
- a protrusion (not shown) is provided on the support hole 16 so that the protrusion is immersed in the support hole 16 and is brought into contact with the support hole 16. It is also possible to prevent the radial movement of the night 5.
- FIG. 8 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 5 of the present invention. Note that among the components of the valve timing adjustment device according to the fifth embodiment, those that are common to the components of the valve timing adjustment device according to any of the first to fourth embodiments are denoted by the same reference numerals. And the description of that part is omitted.
- the feature of the fifth embodiment is that, of the bottomed cylindrical holder 56, the hem portion of the cover 6 (restriction means) 6 a abuts the inner peripheral surface of the cover 6 on the radially outer surface of the outer opening 5. That is, the holder 56 and the cover 6 together with the plunger 45, the receiving hole 7a and the spring 21 constitute a locking mechanism. For this reason, as shown in Fig. 8, the outer rotor 5 and the inner rotor 7 are protected by a cover 6 that also protects a part of the outer rotor 5 from moving in the radial direction. can do.
- FIG. 9 is a longitudinal sectional view showing a main part of a valve timing adjusting device according to Embodiment 6 of the present invention. Note that among the components of the valve timing adjustment device according to the sixth embodiment, the same components as those of the valve timing adjustment device according to any one of the first to fifth embodiments are the same. Reference numerals are used, and the description of those parts is omitted.
- a feature of the sixth embodiment is that a first screw portion (not shown) is rolled on the outer peripheral surface of the bottomed cylindrical holder 57 while a part of the inner peripheral surface of the support hole 16 is formed on the outer peripheral surface.
- the holder 57 By rolling a second screw portion (not shown) that is screwed with the first screw portion, the holder 57 is screwed into the support hole 16, and the holder 57 and the screw portion are connected to the plunger 4. 5.
- the lock mechanism is constituted by the receiving hole 7a and the spring 21. Therefore, as shown in FIG. 9, the movement of the outer opening 5 of the holder 57 in the radially outward direction can be restricted. Therefore, it is inevitable that the plunger 45 moves slightly radially outward of the outer rotor 5 against the urging force of the spring 21 due to centrifugal force, but the plunger 45 moves in the same direction.
- the restricted holder 57 and the retracted spring 21 can reliably prevent the plunger 45 from coming off the receiving hole 7a.
- the screw may be loosened due to vibration or the like.
- an adhesive layer 58 may be provided on the screw portion.
- the valve timing adjusting device is provided for positioning the urging means for urging the restraining means for restricting the relative rotation between the first rotating member and the second rotating member to be released. Since the regulating means for regulating the movement of the first rotating member in the radially outward direction of the holding means is provided, it is possible to reliably perform the regulation when regulating the relative rotation. Therefore, the camshaft fixed to the first rotating member and the timing pulley fixed to the second rotating member can be reliably rotated synchronously, and the opening and closing of the intake valve or exhaust valve of the engine can be performed. Useful for timing changes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP1999/006263 WO2001034947A1 (fr) | 1999-11-10 | 1999-11-10 | Dispositif de commande de la synchronisation d'une soupape |
| DE19983890T DE19983890T1 (de) | 1999-11-10 | 1999-11-10 | Ventiltaktgebungsjustiereinrichtung |
| US09/901,063 US6637388B2 (en) | 1999-11-10 | 2001-07-10 | Valve timing adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP1999/006263 WO2001034947A1 (fr) | 1999-11-10 | 1999-11-10 | Dispositif de commande de la synchronisation d'une soupape |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/901,063 Continuation US6637388B2 (en) | 1999-11-10 | 2001-07-10 | Valve timing adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001034947A1 true WO2001034947A1 (fr) | 2001-05-17 |
Family
ID=14237237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1999/006263 Ceased WO2001034947A1 (fr) | 1999-11-10 | 1999-11-10 | Dispositif de commande de la synchronisation d'une soupape |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6637388B2 (ja) |
| DE (1) | DE19983890T1 (ja) |
| WO (1) | WO2001034947A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6755164B2 (en) | 2001-06-20 | 2004-06-29 | Hyundai Motor Company | Variable valve timing apparatus for vehicle engine |
| US7017540B2 (en) | 2003-11-27 | 2006-03-28 | Mitsubishi Denki Kabushiki Kaisha | Valve timing adjusting device and assembly apparatus of the same |
| JP2014196686A (ja) * | 2013-03-29 | 2014-10-16 | 株式会社デンソー | バルブタイミング調整装置、並びにその製造装置及び製造方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4503195B2 (ja) * | 2001-03-05 | 2010-07-14 | 三菱電機株式会社 | バルブタイミング調整装置 |
| JP4165750B2 (ja) * | 2003-08-04 | 2008-10-15 | ヤマハ発動機株式会社 | エンジンのバルブタイミング制御装置の取付構造 |
| DE102005020529A1 (de) | 2005-05-03 | 2006-11-09 | Schaeffler Kg | Nockenwellenversteller |
| DE102005024242B4 (de) * | 2005-05-23 | 2017-08-24 | Schaeffler Technologies AG & Co. KG | Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
| DE102008032948A1 (de) * | 2008-07-12 | 2010-01-14 | Schaeffler Kg | Vorrichtung zur variablen Einstellung der Steuerzeiten von Gaswechselventilen einer Brennkraftmaschine |
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|---|---|---|---|---|
| GB945669A (en) * | 1962-10-08 | 1964-01-08 | Screw & Bolt Corp Of America | Self-locking threaded fastener |
| JPH06109181A (ja) * | 1992-09-22 | 1994-04-19 | Meiji Rubber & Chem Co Ltd | ホースアセンブリ用継手金具とその製造方法 |
| US5836277A (en) * | 1996-12-24 | 1998-11-17 | Aisin Seiki Kabushiki Kaisha | Valve timing control device |
| JPH10339116A (ja) * | 1997-12-24 | 1998-12-22 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
| EP0915234A2 (en) * | 1997-11-07 | 1999-05-12 | Toyota Jidosha Kabushiki Kaisha | Valve timing changing apparatus for internal combustion engine |
| JPH11223113A (ja) * | 1998-02-06 | 1999-08-17 | Mitsubishi Motors Corp | カム位相可変装置 |
| JPH11311110A (ja) * | 1998-04-28 | 1999-11-09 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3146956B2 (ja) | 1995-06-14 | 2001-03-19 | 株式会社デンソー | 内燃機関用バルブタイミング調整装置 |
| JP3744594B2 (ja) | 1996-05-15 | 2006-02-15 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| DE69731012T2 (de) * | 1996-12-12 | 2005-11-17 | Aisin Seiki K.K., Kariya | Ventilsteuerungseinrichtung |
| JP3845986B2 (ja) | 1997-10-30 | 2006-11-15 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| JP3760568B2 (ja) * | 1997-06-05 | 2006-03-29 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| JP3823451B2 (ja) | 1997-06-24 | 2006-09-20 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| JP3801747B2 (ja) * | 1997-09-29 | 2006-07-26 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| JP3846605B2 (ja) * | 1997-10-30 | 2006-11-15 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| JP4081893B2 (ja) | 1997-11-28 | 2008-04-30 | アイシン精機株式会社 | 弁開閉時期制御装置 |
| JP3918971B2 (ja) | 1998-04-27 | 2007-05-23 | アイシン精機株式会社 | 弁開閉時期制御装置 |
-
1999
- 1999-11-10 DE DE19983890T patent/DE19983890T1/de not_active Withdrawn
- 1999-11-10 WO PCT/JP1999/006263 patent/WO2001034947A1/ja not_active Ceased
-
2001
- 2001-07-10 US US09/901,063 patent/US6637388B2/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945669A (en) * | 1962-10-08 | 1964-01-08 | Screw & Bolt Corp Of America | Self-locking threaded fastener |
| JPH06109181A (ja) * | 1992-09-22 | 1994-04-19 | Meiji Rubber & Chem Co Ltd | ホースアセンブリ用継手金具とその製造方法 |
| US5836277A (en) * | 1996-12-24 | 1998-11-17 | Aisin Seiki Kabushiki Kaisha | Valve timing control device |
| EP0915234A2 (en) * | 1997-11-07 | 1999-05-12 | Toyota Jidosha Kabushiki Kaisha | Valve timing changing apparatus for internal combustion engine |
| JPH10339116A (ja) * | 1997-12-24 | 1998-12-22 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
| JPH11223113A (ja) * | 1998-02-06 | 1999-08-17 | Mitsubishi Motors Corp | カム位相可変装置 |
| JPH11311110A (ja) * | 1998-04-28 | 1999-11-09 | Aisin Seiki Co Ltd | 弁開閉時期制御装置 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6755164B2 (en) | 2001-06-20 | 2004-06-29 | Hyundai Motor Company | Variable valve timing apparatus for vehicle engine |
| US7017540B2 (en) | 2003-11-27 | 2006-03-28 | Mitsubishi Denki Kabushiki Kaisha | Valve timing adjusting device and assembly apparatus of the same |
| DE102004053572B4 (de) * | 2003-11-27 | 2006-12-07 | Mitsubishi Denki K.K. | Einrichtung zum Einstellen der Ventiltaktung und zugehörige Montagevorrichtung |
| JP2014196686A (ja) * | 2013-03-29 | 2014-10-16 | 株式会社デンソー | バルブタイミング調整装置、並びにその製造装置及び製造方法 |
| US9228457B2 (en) | 2013-03-29 | 2016-01-05 | Denso Corporation | Valve timing adjusting device, apparatus for manufacturing same and method for manufacturing same |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19983890T1 (de) | 2002-03-07 |
| US20010047781A1 (en) | 2001-12-06 |
| US6637388B2 (en) | 2003-10-28 |
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