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WO1979000088A1 - Convertisseur de couple hydrodynamique - Google Patents

Convertisseur de couple hydrodynamique Download PDF

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Publication number
WO1979000088A1
WO1979000088A1 PCT/DE1978/000011 DE7800011W WO7900088A1 WO 1979000088 A1 WO1979000088 A1 WO 1979000088A1 DE 7800011 W DE7800011 W DE 7800011W WO 7900088 A1 WO7900088 A1 WO 7900088A1
Authority
WO
WIPO (PCT)
Prior art keywords
blades
torque converter
blade
rotatable
fixed
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
Application number
PCT/DE1978/000011
Other languages
German (de)
English (en)
Inventor
E Floegel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19782803314 external-priority patent/DE2803314A1/de
Application filed by Individual filed Critical Individual
Publication of WO1979000088A1 publication Critical patent/WO1979000088A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/48—Control of exclusively fluid gearing hydrodynamic
    • F16H61/50—Control of exclusively fluid gearing hydrodynamic controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit
    • F16H61/52—Control of exclusively fluid gearing hydrodynamic controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit by altering the position of blades
    • F16H61/56—Control of exclusively fluid gearing hydrodynamic controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit by altering the position of blades to change the blade angle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F16H41/26—Shape of runner blades or channels with respect to function

Definitions

  • the invention relates to a hydrodynamic torque converter and in particular to converter in a Trilok design, with a pump driven by the drive shaft, a turbine connected to the output shaft and a stator located between the pump and the turbine, which is connected via a one-way clutch in one direction of rotation is supported on the housing.
  • the invention is based on the consideration of improving this known torque converter in such a way that the shock losses, in particular at the stator inlet, are largely avoided and the efficiency of the torque converter is thus increased
  • the fixed blades of a wheel - in particular a stator - rotatable blades are in front, which consist of an elastically flexible material. These blades are rotatably supported about an axis so that they are rotated in the direction of flow by the flowing working fluid. They are each arranged between two subsequent fixed blades in such a way that their angle of rotation in both seals is limited by these fixed blades (FIGS. 2-4). This limitation of the angle of rotation leads to the blades being flowed at obliquely under certain working conditions of the converter.
  • the flexible material of the blades gives way to the pressure of the working fluid, i.e. the blades bend and align their abutting edge in the direction of flow. The shock losses can be minimized if the construction is appropriately coordinated.
  • the rotatable blades consist of a single piece of spring steel sheet.
  • FIG. 1 is a schematic representation of the torque converter in a Trilok design according to the invention, the stator being shown in section,
  • Fig. 5-10 different embodiments of the rotatable blades with profile piece according to the invention
  • Fig. 11 is a view of a rotatable blade and a partial view of a fixed blade of the torque converter according to the invention on an enlarged scale, with a limitation of the deflection of the rotatable blade is provided is
  • FIG. 12 shows a view of a rotatable blade and a partial view of a fixed blade of the torque converter analogous to FIG. 11, the rotatable blade taking up a different position from FIG. 11,
  • FIG. 13 shows another embodiment of the mounting of the rotatable blade in the form of a profile piece, a limit stop being provided for this profile piece,
  • Fig. 14 shows a section through an elastically flexible
  • the Trilok-type torque converter consists of the pump 1, the turbine 2 and the stator 3.
  • the pump 1 is connected to the drive shaft 5 via the shell 4, while the output shaft 6 is connected to the turbine 2.
  • the stator 3 which is mounted between the pump 1 and the turbine 2, is connected to the housing 8 via a freewheel 7.
  • Each blade of the stator 3 is assigned an upstream, rotatably mounted blade 9 (FIG. 1), which consists of an elastically flexible material.
  • Spring steel is suitable for this, the invention being in no way restricted to this particular material. It is only essential that the required elastic flexibility of the rotatably mounted blades 9 is ensured.
  • Each rotatable blade 9 engages with one end in the gap between two adjacent blades 10 of the stator 3 in such a way that one of the two adjacent blades 10 for the respective rotatable blade 9 serves as a limit stop for the pivoting movement.
  • the blades 9 are mounted on an axis 11 which is anchored in the housing of the stator 3.
  • the storage of the blades 9 is a matter for the person skilled in the art and has nothing to do with the actual invention itself.
  • FIGS. 2-4 of the drawing show the adaptation of the elastically flexible blades 9 to the different flow directions.
  • Designation i n is equal to the quotient of the speed of the turbine 2 and the speed of the pump 1 of the converter.
  • each rotatable, elastically flexible blade 9 is fastened on one side to a profile piece 12.
  • the working principle of these blades 9 has not changed compared to the embodiment according to FIGS. 2-4.
  • FIGS. 11-13 show how the bending stress of the elastically flexible blades 9 can be limited. This object is achieved in that at least one extension 13 is attached to the stator, which engages in a recess 14 in the associated rotatable blade 9 in such a way that the deflection of the rotatable blade limits each in the one direction transverse to the flow direction of the working fluid is so that excessive curvature of this blade is avoided.
  • the extension 13 is provided on the lower side of the fixed blade 10.
  • an extension 13 ' can also be provided on the upper side of the fixed blade.
  • Another type of attachment is also conceivable.
  • a stop 15 can also be provided, which limits the pivoting movement of the same in one direction (FIG. 13).
  • the elastically flexible blades 9 are made of a spring steel sheet having a varying sheet thickness.
  • the elastically flexible blades 9 are punched out of a spring steel strip, which is rolled so that it has a larger sheet thickness on both edges. This still ensures the particularly simple manufacture of the blades from a single piece of sheet steel.
  • rotatable and elastically flexible blades according to the invention can also be applied to pump and turbine wheels and can also be used advantageously in converters which do not correspond to the Trilok design.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Fluid Gearings (AREA)

Abstract

Le convertisseur de couple hydrodynamique comprend des aubes pivotantes (9) en un materiau elastique, qui sont disposees en amont d'une zone, en particulier d'une roue fixe. Les aubes peuvent pivoter autour d'un axe (11) pour etre amenees, par le courant de liquide, a s'orienter selon la direction de ce courant. Chacune d'elles est disposee entre les deux aubes fixes suivantes (10) de facon telle que son angle de pivotement soit limite dans les deux directions par ces deux aubes fixes (10). Cette limitation de l'angle de pivotement a pour consequence que, sous certaines conditions de fonctionnement du convertisseur, les aubes forment un angle avec la direction du courant de liquide. Le materiau elastique des aubes cede a la pression du liquide, c'est-a-dire que les aubes se deforment et orientent leurs bords dans la direction du courant. Par un choix judicieux des parametres, les pertes peuvent etre reduites au minimum.
PCT/DE1978/000011 1977-08-09 1978-07-17 Convertisseur de couple hydrodynamique Ceased WO1979000088A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2735933 1977-08-09
DE19782803314 DE2803314A1 (de) 1978-01-26 1978-01-26 Hydrodynamischer drehmomentwandler, insbesondere in trilok-bauweise
DE19782829104 DE2829104A1 (de) 1978-01-26 1978-07-03 Hydrodynamischer drehmomentwandler

Publications (1)

Publication Number Publication Date
WO1979000088A1 true WO1979000088A1 (fr) 1979-02-22

Family

ID=25773715

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1978/000011 Ceased WO1979000088A1 (fr) 1977-08-09 1978-07-17 Convertisseur de couple hydrodynamique

Country Status (3)

Country Link
EP (1) EP0015896A1 (fr)
DE (1) DE2829104A1 (fr)
WO (1) WO1979000088A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE275474C (fr) *
FR810783A (fr) * 1935-12-17 1937-03-30 Perfectionnements aux dispositifs hydrauliques de transmission de mouvement
FR47896E (fr) * 1937-08-14
GB471665A (en) * 1935-03-25 1937-09-03 Dimitri Sensaud De Lavaud Improvements in and relating to hydraulic power transmission means
GB507076A (en) * 1936-12-11 1939-06-09 Luigi Enrico Orlando Improvements in or relating to hydraulic power transmission devices
DE687230C (de) * 1932-06-22 1940-01-25 Dimitri Sensaud De Lavaud Stroemungsgetriebe
US2327647A (en) * 1939-12-02 1943-08-24 Bendix Aviat Corp Turbo transmission
US2406499A (en) * 1943-08-23 1946-08-27 Bendix Aviat Corp Fluid transmission
US2737061A (en) * 1949-11-19 1956-03-06 Gen Motors Corp 3-phase turbine drive
DE1186298B (de) * 1961-12-23 1965-01-28 Adolf Gustav Schneider Beschaufelung fuer hydraulische Drehmomentwandler
US3370425A (en) * 1966-08-01 1968-02-27 Ford Motor Co Hydrokinetic torque converter mechanism having a stator with blades of variable geometry

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE275474C (fr) *
FR47896E (fr) * 1937-08-14
DE687230C (de) * 1932-06-22 1940-01-25 Dimitri Sensaud De Lavaud Stroemungsgetriebe
GB471665A (en) * 1935-03-25 1937-09-03 Dimitri Sensaud De Lavaud Improvements in and relating to hydraulic power transmission means
FR810783A (fr) * 1935-12-17 1937-03-30 Perfectionnements aux dispositifs hydrauliques de transmission de mouvement
GB507076A (en) * 1936-12-11 1939-06-09 Luigi Enrico Orlando Improvements in or relating to hydraulic power transmission devices
US2327647A (en) * 1939-12-02 1943-08-24 Bendix Aviat Corp Turbo transmission
US2406499A (en) * 1943-08-23 1946-08-27 Bendix Aviat Corp Fluid transmission
US2737061A (en) * 1949-11-19 1956-03-06 Gen Motors Corp 3-phase turbine drive
DE1186298B (de) * 1961-12-23 1965-01-28 Adolf Gustav Schneider Beschaufelung fuer hydraulische Drehmomentwandler
US3370425A (en) * 1966-08-01 1968-02-27 Ford Motor Co Hydrokinetic torque converter mechanism having a stator with blades of variable geometry

Also Published As

Publication number Publication date
EP0015896A1 (fr) 1980-10-01
DE2829104A1 (de) 1980-01-17

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