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WO2002063185A1 - Procede et appareil de conversion de couple bidirectionnel en couple unidirectionnel - Google Patents

Procede et appareil de conversion de couple bidirectionnel en couple unidirectionnel Download PDF

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Publication number
WO2002063185A1
WO2002063185A1 PCT/GB2002/000021 GB0200021W WO02063185A1 WO 2002063185 A1 WO2002063185 A1 WO 2002063185A1 GB 0200021 W GB0200021 W GB 0200021W WO 02063185 A1 WO02063185 A1 WO 02063185A1
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WO
WIPO (PCT)
Prior art keywords
drive
rotational
axle
axis
unidirectional
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/GB2002/000021
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English (en)
Inventor
Seng Chuan Lim
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LIM AH HOW
Original Assignee
LIM AH HOW
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Filing date
Publication date
Application filed by LIM AH HOW filed Critical LIM AH HOW
Publication of WO2002063185A1 publication Critical patent/WO2002063185A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16H31/00—Other gearings with freewheeling members or other intermittently driving members
    • F16H31/001—Mechanisms with freewheeling members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G3/00—Other motors, e.g. gravity or inertia motors
    • F03G3/087—Gravity or weight motors
    • F03G3/094—Gravity or weight motors specially adapted for potential energy power storage stations; combinations of gravity or weight motors with electric motors or generators

Definitions

  • This invention relates to a method for converting alternating or bi-directional torque to become unidirectional torque.
  • the bi-directional torque may be harnessed from alternating driving motion of rise-and-fall, push-and-pull, seesaw and the like.
  • the conversion of such alternating bidirectional to continuous unidirectional torque will enable useful mechanical work to be produced, such as to generate electricity. Apparatus employing such method is also disclosed.
  • US-4,403,154 discloses an apparatus having a first cylinder with an open end connected hydraulically with a second cylinder with a closed end.
  • Each cylinder has a piston which may be moved along their respective cylinders due to external fluid forces, including water and air, acting on the open-end cylinder and piston to move the other piston in the closed cylinder. The movement of the latter piston may then be translated to rotational movement (col. 2 line 65) to generate electricity.
  • ⁇ S-4,052,856 discloses a method and apparatus for translating the rise and fall of predetermined amounts of water into useful work.
  • the apparatus comprises a pair of spaced-apart shafts having one or more rotary elements provided on the shafts.
  • the rotary element may be a sprocket wheel with unidirectional clutch which allows each shaft to turn in one rotational direction only.
  • the drive exerted by the fall of a water container may be transmitted to one of the shafts when the unidirectional clutch engages the shaft while the other unidirectional clutch on the other parallel shaft allows said other shaft to slip.
  • the drive by the falling of a water container only works on any one given shaft of the pair in one permanent direction only.
  • the present invention may also harness any other naturally- occurring fluid dynamics which substantially has been, or may be, adapted to produce alternating movements such as wave phenomenon, wind, etc.
  • the method of the present invention may also be adapted into machines and tools which may employ rotating movements in either directions such as bi-directional wrenching action, bi-directional lever swinging movements, bi-directional pedalling action and the like.
  • the method of the present invention converts bi-directional torque to unidirectional torque.
  • the bi-directional torque comprises a first rotational drive in one direction alternating with a second rotational drive in the other direction along a drive axis which is converted to become unidirectional torque along a driven axis.
  • At least a first and a second unidirectional element are provided at any one or combination of said drive or driven axes.
  • the method comprises the steps wherein the first rotational drive engages first unidirectional element to turn at least one axis in the first rotational direction and allows at least one axis to slip at the second unidirectional element; - the second rotational drive engages at the second unidirectional element to turn at least one axis in the second rotational direction and allows at least one axis to slip at the first unidirectional element; the first rotational direction of the drive axis is transmitted in the same direction to the driven axis; the second rotational direction of the drive axis is transmitted in the reverse direction to the driven axis; thereby resulting in said driven axis being rotated in a single direction by both rotational drives.
  • the drive axis is an axle and the driven axis is a transmission shaft.
  • the unidirectional elements may be any one or a combination of freewheel, unidirectional clutch means, pawl-and-ratchet, and the like.
  • the first rotational drive of the drive axle is transmitted via a sprocket chain to the transmission shaft and the second rotational drive is transmitted via a gear pair.
  • the first and second rotational directions of the drive axle may be transmitted to the transmission shaft in the same rotational direction by an appropriate gear train.
  • the gear train includes a bevel gears arrangement.
  • the drive axle is driven in the first and second rotational directions by first and second rotational drives which are linked to one another by common drive means winding over said axle.
  • first and second rotational directions are transmitted to the transmission shaft by sprocket chain to a gear pair or gear train, including a bevel gears arrangement.
  • the drive axle is provided as two portions which are independent from each other and arranged end-to-end along said drive axis.
  • the first rotational drive engages first axle portion to turn in first rotational direction and allows second axle portion to slip.
  • the second rotational drive engages second axle portion to turn in second rotational direction and allows first axle portion to slip.
  • the first directional rotation of the first axle portion is transmitted in the same rotational direction to the transmission shaft while the second directional rotation of the second axle portion is transmitted in the reverse direction to the transmission shaft .
  • a pair of parallel alternating unidirectional first and second drives may be converted to unidirectional torque on an axis which is provided with at least first and second unidirectional elements.
  • the first and second rotational drives are connectable as a pair via a drive means winding around an idler means so that the drives are operable alternately in parallel on the same side of the axis.
  • the first rotational drive engages to turn the axis at the first unidirectional element and allows said drive axis to slip at the second unidirectional element.
  • the second rotational drive engages to turn the drive axis at the second unidirectional element and allows said drive axis to slip at the first unidirectional element.
  • Preferable specific embodiments include providing the first and second unidirectional elements as a freewheel, unidirectional clutch means, roller bearing, pawl-and- ratchet, and the like. Torque output from a plurality of these methods may also be arranged to be transmitted to a common driven axis. Rotational speed of the output torque may also be increased with the use of a step-up gear train and stabilised through mechanical connection to a rotating element such as a flywheel.
  • Figure 1 shows a cross-sectional view of a first or general embodiment of the apparatus of the invention, detached from transmission means.
  • Figure 1A shows the detail arrangement of a unidirectional element of Figure 1.
  • Figure 2 shows a top plan view of a preferred arrangement of the embodiment of Fig. 1 wherein the transmission is provided by sprocket wheel and roller chain at one end and gear pair at the other end.
  • Figure 3 shows a top plan view of a second preferred arrangement of the embodiment of Fig. 1 wherein the transmission is provided by gear pair at one end and gear train at the other end.
  • Figure 4 shows a top plan view of a third preferred arrangement of the embodiment of Fig. 1 wherein the transmission is provided by bevel gear arrangement.
  • Figure 5 is an example of an application of the bevel gear embodiment of Fig. 4.
  • Figure 6 shows a second alternative embodiment of the invention wherein the drive means are linked to one another by a common drive means .
  • Figure 7 shows examples ( Figures 7A, 7B, 7C) of various arrangements of the transmission possible with the embodiment of Fig. 6.
  • Figure 8 shows a third preferred embodiment of the invention wherein the drive axle is split into two portions.
  • Figure 9 shows one arrangement of the transmission of the embodiment of Fig. 8, i.e. a combination of a gear pair and sprocket wheel with roller chain.
  • Figure 10 shows another alternative arrangement of the transmission of the embodiment of Fig. 8, i.e. a combination of a gear pair and a train of 3 gears.
  • Figure 11 shows yet another alternative arrangement of the transmission of the embodiment of Fig. 8, i.e.
  • Figure 12 shows still another alternative arrangement of the transmission of the embodiment of Fig. 8, i.e. wherein the drive means are linked to one another by a common drive means .
  • Figure 13 shows a fourth alternative embodiment of the invention wherein a pair of pulleys on an axle are arranged to transmit the drive to said axle.
  • Figure 14 shows the various combinations of transmission arrangements including multiple transmissions to a common drive axle, step-up gear and flywheel.
  • first direction and second direction of rotation refer to each of the alternating directions of rotation of the drive axle or shaft and its associated and corresponding parts. This is to simplify references to “one direction” and the “other direction”, or “clockwise” and “anti-clockwise”, “forward” and “reverse” rotational directions, and like expressions.
  • FIGURE 1 shows a cross-sectional view of the first or general embodiment of the torque converter employing the method of the present invention.
  • the apparatus (10) comprises a drive axle (12) upon which the bi-directional drives act and the components are mounted.
  • the drive axle (12) may be securely mounted to rotate freely against a base or floor (not shown) with a plurality of pillow blocks (13) .
  • bearing means (15) such as ball or roller bearings may be provided at the pillow blocks (13) .
  • the bi-directional drive may be provided to turn the axle (12) in alternating rotational direction by means of cables (not shown) wound around a cable barrel (14) mounted co- axially on a central portion of the axle.
  • the cable barrel (14) may be divided into two portions (14a, 14b), acting separately for the cable driving or pulling in each of the bi-directions .
  • the cable barrel (14) may be fixedly mounted on the drive axle (12) by, for .example, inserting keys (16) into corresponding grooves on the drive axle (12) and the inner tube of the cable barrel (14) so as to securely wedge said cable barrel (14) to the drive axle (12) . In this manner, the bi-directional drive acting on each of the two barrel portions (14a, 14b) may be transmitted to the drive axle (12) .
  • Two or more rotating elements (17, 18) may each be arranged on the drive axle (12) to provide for the transmission of torque therefrom.
  • Fig. 1 shows a gear wheel (17) and a sprocket wheel (18) arranged at the left and right sides respectively on the drive axle (12) .
  • Each of these rotating elements may be provided with a unidirectional element (9a, 9b) which allows rotational drive from the drive axle (12) in one direction to engage and be transmitted to the rotating element while allowing rotational drive in the other direction to slip.
  • the rotating elements or wheels with their respective unidirectional elements (9a, 9b) may be arranged in such a manner that the first unidirectional element (9a) transmits the torque to its associated wheel in the first rotational direction but allows it to slip in the second rotational direction.
  • the second unidirectional element (9b) transmits the torque to its associated wheel in the second rotational direction but allows it to slip in the first rotational direction.
  • the first rotating element or, in the case of Fig. 1, the gear wheel (17) will always turn in the first direction while the sprocket wheel (18) will always turn in the second direction, regardless of the alternating rotations of the drive axle (12) .
  • the preferred embodiment of the unidirectional element (9a, 9b) comprises a freewheel (8) and a roller bearing (7) arranged co-axially within a collar (6) as the hub of the respective rotating elements (17, 18).
  • the roller bearing (7) may be placed innermost within the collar (6) while the freewheel (8), having a diameter larger than the roller bearing (7), may be provided to secure said roller bearing (7) therein.
  • a key (16) is shown securing said freewheel (8) against rotation within the collar (6).
  • Both the roller bearing (7) and freewheel (8) may be secured within said collar (6) by a cover plate (4) provided with an aperture (3) through which the drive axle (12) may rotate.
  • the freewheel (8) may be provided in alternative specific embodiments as a freewheeling clutch, pawl-and-ratchet, or like elements.
  • FIGURE 2 shows a top plan view of a preferred arrangement of the torque converter of Fig. 1 wherein the alternating bidirectional torque from the drive axle (12) may be transmitted to the driven axle (20) . It is shown here as an arrangement for allowing the alternating rising and falling motion of mass under gravity to turn the drive axle (12) of the torque converter but it should be appreciated that many arrangements are possible for transmitting alternating drives (i.e. driving forces) such as rise-and-fall, push-and-pull and like movements to turn the torque converter.
  • alternating drives i.e. driving forces
  • the cable barrel (14) may be provided with coiled cables (21) in each of the portions (14a, 14b) wherein the respective cables (21) are coiled in opposing rotation and drawn away from barrel (14) via cable pulleys (22) so that the alternating rise and fall motions of a mass attached to the ends of the cables (21) may alternately pull the respective portions (14a, 14b) of the barrel (14) .
  • first direction and second direction of rotation is employed. Assume that drive is exerted by the first cable (21a) to rotate the drive axle (12) in the first rotational direction while the second cable ⁇ (21b) drives the axle (12) to rotate in the second rotational direction.
  • the first unidirectional element (9a) allows the rotation of the drive axle (12) to be transmitted to the first rotating element (17), which is shown here as a gear wheel, by engaging the gear wheel to turn in the first rotational direction.
  • the second unidirectional element (9b) allows the first rotation of the drive axle (12) to slip; thus no torque is transmitted to the second rotating element (18), which is shown here as a sprocket wheel.
  • the first unidirectional element (9a) now allows the second rotation of the drive axle (12) to slip so that no torque is transmitted to the gear wheel (17) .
  • the second unidirectional element (9b) engages drive axle (12) to transmit torque to the sprocket wheel (18).
  • the bi-directional rotations of the drive axle (12) will cause the first rotating element (17) to always rotate in first rotational direction only and the second rotating element (18) to always rotate in the second rotational direction.
  • the first rotating element (17) and the second rotating element (18) will always rotate in directions opposing one another, there is a need to provide for an arrangement whereby the opposing rotations may be transmitted to an output axle to rotate in one specific direction.
  • one of the rotating elements may be provided as a driving sprocket wheel (18) whereby its torque may be transmitted to a driven axle (20) via an endless roller chain (23) extending around said driving sprocket wheel (18) to a complementary driven sprocket wheel (24) securely mounted on said driven axle (20) .
  • the arrangement of the sprocket wheels (18, 24) and roller chain (23) thereby enables the transmission of torque from a rotating element to the driven axle in the same direction of rotation.
  • the sprocket wheel-and-roller chain may be substituted with sheave or pulley-and-belt, gear wheel, and like elements for translating linear motion to rotary motion on an axle or shaft.
  • the torque from the driven axle (20) may then be utilised to perform work such as driving a generator (5) or other machines to produce useful, distributable power such as electricity.
  • the torque from the driven axle (20) may be amplified with step-up gears (25, 26) arrangements and may be stored progressively or stabilised with a flywheel (27) prior to transmission to the generator (5) as shown.
  • a driving gear wheel (17) may represent the second rotating element which direction of torque is in a direction opposite to that of the first rotating element. Torque from the driving gear wheel (17) may be transmitted to the driven axle (20) via a complementary driven gear wheel (26) securely mounted on said driven axle (20) engaging the said driving gear wheel (17). In this arrangement, the torque of the drive axle is transmitted in the reverse direction to the driven axle (20) . It will be appreciated that these two arrangements are only exemplary and that there are other possible means of achieving torque transmission from the drive axle in the same direction to the driven axle, and in the reverse direction as well.
  • bevel gear arrangements (40, 42, 44, 46) may be provided to integrate the alternating first and second directional rotations of the drive axle (12) by providing unidirectional elements (9a, 9b) at each of the bevels (40, 42) so that they rotate in the appropriate or desired uni-direction.
  • first and second unidirectional elements (9a, 9b) regulating the first and second rotational movements may be provided at any one or a combination of said drive axles (12) or driven axles (20) at the respective points thereupon where the driving rotational elements or driven rotational elements are securely mounted.
  • the unidirectional element may be any one or any combination of a freewheel, unidirectional clutch, pawl-and-ratchet, and like means.
  • FIGURE 5 a side elevation of an example of the bevel gear arrangement of the torque converter is shown employed in an application which comprises an alternately rising and dropping pair of buckets (50a, 50b) which are joined to one another by a cable (52) and led away from the torque converter (54) by a pair of pulleys (22) .
  • the buckets (50a, 50b) may preferably be charged with flowable mass, such as water, which may be easily charged into one of the buckets at a higher elevation, allow it to drop, and which may be discharged upon reaching a lower elevation.
  • flowable mass such as water
  • the drive axle (12) may be driven in the first and second rotational directions by first and second rotational drives respectively which may be linked to one another by a common drive means .
  • FIGURE 6 An example of this embodiment is shown in FIGURE 6 wherein the first and second rotational drives are provided by a pair of buckets (50a, 50b) , which may provide the downward drive alternately with one another with the charge and discharge of water, for example, and which are linked to one another by a common chain (60) winding over wheel (62).
  • the chain (60) and wheel (62) may be substituted with combinations of roller chain and sprocket wheel, pulley and belt, and the like.
  • Fig. 6 shows a transmission arrangement similar to Fig. 2 wherein torque in one direction of rotation may be transmitted from the drive axle (12) in the reverse direction via a pair of gears (64, 65) provided on the drive axle (12) and driven axle (20) respectively.
  • the torque in the other direction of rotation may be transmitted from the drive axle (12) in the same direction via sprocket wheels (66, 67) and roller chain (68) where the unidirectional elements (9a, 9b) are assembled in gear (64) and sprocket wheel (66) respectively.
  • FIGURE 7 Each of the alternative transmission arrangements for Fig. 6 is shown in FIGURE 7 in which -
  • FIG. 7A shows a combination of gear pair and roller chain with sprocket wheel
  • FIG. 7B shows a combination of gear pair and train of 3 gears
  • FIG 7C shows a combination of bevel gear arrangements.
  • the torque on the drive axle (12) may be amplified by providing a larger diameter of the wheel (62) upon which the alternating rotational drives (50a, 50b) may act .
  • the drive axle may comprise of two portions, i.e. a first and a second portion, which are independent from each other and arranged end-to-end.
  • the first rotational drive may act upon the first portion of the drive axle while the second rotational drive may act upon the second portion of the drive axle.
  • FIGURE 8 This embodiment is shown in FIGURE 8 wherein the drive axle as shown comprises a first portion (12a) and a second portion (12b) which are aligned end-to-end with one another but separated by a gap (80) .
  • the aligned ends of the first and second portions of the drive axle may be accommodated in a barrel-like housing (14) divided into two halves (14a, 14b) , each for the winding of cable (not shown) in opposite directions .
  • the unidirectional elements (9a, 9b) may be provided at each of the opposing ends of first (12a) and second portions (12b) of the drive axle at the gap (80) .
  • Further bi-directional elements (9) may be provided at the ends of the barrel (14) to securely hold both portions of the axle (12a, 12b) in a rotatable manner.
  • the remaining ends of the axle portions (12a, 12b) may be held aligned by bearing means (15) and on pillow blocks (13) .
  • Figure 9 shows an example of transmission of a combination of roller chain with sprocket wheel and two-gear train.
  • Figure 10 shows another alternative arrangement of the transmission, this being a combination of a gear pair and a train of 3 gears.
  • Figure 11 shows yet another alternative arrangement of the transmission with a combination of bevel gears.
  • Figure 12 shows still another alternative arrangement of the transmission wherein the drive means are linked to one another by a common drive means, which may be a belt winding over a pulley or sheave, or a roller chain winding over a sprocket wheel, or any similar arrangement.
  • the apparatus for converting first and second alternating drives to a unidirectional torque comprises an axle which the first and second alternating drives may act on at first and second points respectively.
  • the first and second drives are connected as a pair via a drive means winding around an idler pulley.
  • At least two unidirectional elements may be provided in any combination on the axles, the first of these to allow the first rotational drive to be transmitted to turn the axle at a first point in the first rotational direction.
  • the axle is allowed to slip at a second point during the first rotational direction.
  • At least a second unidirectional element may be provided to allow the second rotational drive to be transmitted to turn the axle at a second point in the second rotational direction.
  • the axle is allowed to slip at the first point during second rotational direction.
  • the fourth embodiment is shown in FIGURE 13 wherein is shown the apparatus comprising an axle (100) upon which the alternating drives may act.
  • the alternating drives may be generated by, for example, a pair of buckets (102a, 102b) linked to one another by a cable or chain (104) winding around an idler wheel (106) .
  • the buckets (102a, 102b) may be charged and discharged with water alternately to provide the alternative drive as gravity pulls the charged bucket downwards while the discharged bucket is pulled upwards.
  • sprocket wheels (108a, 108b) with freewheels (8) may be provided on the axle (100) to allow a drive means, shown here in the form of a roller chain (104), to wind around said sprocket wheels (108a, 108b) as well as the idler wheel (106) .
  • the freewheels. (8) may be arranged in a manner so that one allows engagement in one direction of rotation of the axle and slip in the other direction, and vice versa for the other freewheel. In this manner, at either direction of pull of the alternating drives (102a, 102b) the respective freewheels will engage to transmit the drive to always provide torque to the axle (100) in one specific direction only.
  • the buckets (102a, 102b) may be led away from the axle (100) by pulleys (22) so that the alternating drives do not knock against the sprocket wheels (108a, 108b) or the axle (100) .
  • the torque from the drive axle (100) may be transmitted to a common driven axle by direct transmission as the rotational direction of the drive axle (100) is already unidirectional.
  • FIGURE 14 Multiple units of this apparatus may be arranged in such a manner so that all of them act to drive a common axle (100) as shown in FIGURE 14.
  • FIGURE 14 it is also shown how the rotational speed from the common axle (100) may be increased with a step-up gear train. It further shows a flywheel connected for stability and for progressive storage of momentum.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transmission Devices (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

Le procédé selon la présente invention sert à convertir un couple bidirectionnel en un couple unidirectionnel. Le dispositif de transmission de couple bidirectionnel comprend un premier entraînement en rotation (17) dans une direction alternant avec un second entraînement en rotation (18) dans l'autre direction le long d'un axe d'entraînement qui est transformé pour fournir un couple unidirectionnel le long d'un axe entraîné (20). Il existe au moins un premier et un second élément unidirectionnel (9a, 9b) sur l'un quelconque desdits axe d'entraînement (12) ou axe entraîné (20) ou sur les deux combinés.
PCT/GB2002/000021 2001-01-08 2002-01-07 Procede et appareil de conversion de couple bidirectionnel en couple unidirectionnel Ceased WO2002063185A1 (fr)

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MYPI2001-0061 2001-01-08
MYPI20010061 2001-01-08

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Cited By (9)

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WO2008096272A3 (fr) * 2007-01-08 2009-02-19 Leelananda Jayasuriya Engrenage unidirectionnel
WO2009069138A1 (fr) * 2007-11-28 2009-06-04 Mohammed Ibrahim Puthiyaveedu Centrale électrique mécanique à auto-révolution en sommet de colline
WO2009069137A1 (fr) * 2007-11-26 2009-06-04 Mohammed Ibrahim Puthiyaveedu Centrale électrique à énergie mécanique à auto-révolution
EP2072816A1 (fr) * 2007-12-17 2009-06-24 Dietrich Götz Système de propulsion par changement d'impulsion mécanique, en particulier pour un missile
EP2353987A1 (fr) * 2009-12-01 2011-08-10 Victorino Pastrana Molleda Jorge Dispositif d'optimisation transformant un mouvement linéaire en circulaire
EP3464897B1 (fr) * 2016-05-27 2020-07-08 Colarusso, Ciriaco Natale Moteur rotatif
CN114000995A (zh) * 2021-11-01 2022-02-01 吴国清 一种吊桶式水力发电机组及其应用方法
US11472060B1 (en) 2019-05-15 2022-10-18 Joshua Essary Mechanical binding log splitter blades
US12268788B2 (en) 2016-05-24 2025-04-08 Signify Holding, B.V. UV module within consumer machines

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US708286A (en) * 1902-05-06 1902-09-02 Frederick W Wild Jr Power-transmitting device for hand-driven mechanisms.
US1197013A (en) * 1913-03-03 1916-09-05 Henry H Cummings Mechanical movement.
DE932397C (de) * 1951-02-09 1955-09-01 Mak Maschb Kiel Ag Umkehrgetriebe
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EP2353987A1 (fr) * 2009-12-01 2011-08-10 Victorino Pastrana Molleda Jorge Dispositif d'optimisation transformant un mouvement linéaire en circulaire
US12268788B2 (en) 2016-05-24 2025-04-08 Signify Holding, B.V. UV module within consumer machines
EP3464897B1 (fr) * 2016-05-27 2020-07-08 Colarusso, Ciriaco Natale Moteur rotatif
US11472060B1 (en) 2019-05-15 2022-10-18 Joshua Essary Mechanical binding log splitter blades
CN114000995A (zh) * 2021-11-01 2022-02-01 吴国清 一种吊桶式水力发电机组及其应用方法

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