WO2009068882A3 - Dual pulley transmission unit - Google Patents

Dual pulley transmission unit Download PDF

Info

Publication number
WO2009068882A3
WO2009068882A3 PCT/GB2008/003963 GB2008003963W WO2009068882A3 WO 2009068882 A3 WO2009068882 A3 WO 2009068882A3 GB 2008003963 W GB2008003963 W GB 2008003963W WO 2009068882 A3 WO2009068882 A3 WO 2009068882A3
Authority
WO
WIPO (PCT)
Prior art keywords
brake
input shaft
output shaft
transmission unit
shaft
Prior art date
Application number
PCT/GB2008/003963
Other languages
French (fr)
Other versions
WO2009068882A2 (en
Inventor
Didier Brun
John Westwood Moore
Original Assignee
Antonov Automotive Europ
Didier Brun
John Westwood Moore
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
Application filed by Antonov Automotive Europ, Didier Brun, John Westwood Moore filed Critical Antonov Automotive Europ
Publication of WO2009068882A2 publication Critical patent/WO2009068882A2/en
Publication of WO2009068882A3 publication Critical patent/WO2009068882A3/en

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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/46—Gearings having only two central gears, connected by orbital gears
    • F16H3/48—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears
    • F16H3/52—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears
    • F16H3/54—Gearings having only two central gears, connected by orbital gears with single orbital gears or pairs of rigidly-connected orbital gears comprising orbital spur gears one of the central gears being internally toothed and the other externally toothed
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/06—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like
    • F16D43/08—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces
    • F16D43/10—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating axially a movable pressure ring or the like the pressure ring actuating friction plates, cones or similar axially-movable friction surfaces the centrifugal masses acting directly on the pressure ring, no other actuating mechanism for the pressure ring being provided

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • Transmission Devices (AREA)

Abstract

With reference to figure 1, the present invention provides a transmission unit comprising: an input pulley (108) mounted on an input shaft (49); an output pulley (100) mounted on an output shaft (4); an epicyclic arrangement gears (51, 58, 54); a brake assembly (60, 70, 71, 78) operable to brake a sun gear (51) of the epicyclic arrangement; and a one-way clutch (53) which acts between the input shaft (49) and the output shaft (4) to allow relative rotation therebetween in only-one direction. The brake assembly (60, 70, 71, 78) comprises a plurality of flyweights (60) which when rotating apply a force acting to disengage the brake and a biasing spring (78) which applies a force acting to engage the brake. When torque is reacted by the sun gear (51) then the reacted torque results in an axial force which acts to engage the brake. For a first range of low rotational speeds of the input shaft the output shaft (4) rotates at a rotational speed greater than the input shaft (49); and for a second range of high rotational speeds the one-way clutch locks the output shaft (4) to the input shaft (49) to rotate therewith.
PCT/GB2008/003963 2007-11-27 2008-11-27 Dual pulley transmission unit WO2009068882A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0723268.9 2007-11-27
GB0723268A GB2455097B (en) 2007-11-27 2007-11-27 Dual pulley transmission unit

Publications (2)

Publication Number Publication Date
WO2009068882A2 WO2009068882A2 (en) 2009-06-04
WO2009068882A3 true WO2009068882A3 (en) 2009-07-23

Family

ID=38962236

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/003963 WO2009068882A2 (en) 2007-11-27 2008-11-27 Dual pulley transmission unit

Country Status (2)

Country Link
GB (1) GB2455097B (en)
WO (1) WO2009068882A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2481394A (en) * 2010-06-21 2011-12-28 Antonov Automotive Europ Transmission unit for transmitting drive from an engine to an engine ancillary device
DE102011083802A1 (en) * 2011-09-30 2013-04-04 Schaeffler Technologies AG & Co. KG Aggregate with a pulley drive
US9927006B2 (en) 2015-09-01 2018-03-27 Achates Power, Inc. Multi-speed planetary drive for a supercharger
US11320030B2 (en) * 2019-11-22 2022-05-03 Schaeffler Technologies AG & Co. KG Two speed transmission for rotary drive system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB423267A (en) * 1933-11-04 1935-01-29 Edgar Joseph De Normanville Improvements relating to power transmitting mechanisms
US3048056A (en) * 1958-04-10 1962-08-07 Gen Motors Corp Drive system
US4114478A (en) * 1977-01-03 1978-09-19 Borg-Warner Corporation Planetary transmission mechanism
EP0317214A2 (en) * 1987-11-18 1989-05-24 Borg-Warner Automotive, Inc. Centrifugally controlled two-speed accessory drive
EP0751316A1 (en) * 1995-06-30 1997-01-02 Honda Giken Kogyo Kabushiki Kaisha Centrifugal friction clutch for automatic speed changing device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2708065B1 (en) * 1993-07-23 1995-09-22 Antonov Automotive Europ Volumetric coupling device and transmission device thus equipped.
FR2723775A1 (en) * 1994-08-18 1996-02-23 Antonov Automotive Europ TRANSMISSION DEVICE, PARTICULARLY FOR VEHICLE, AND DRIVING METHOD RELATING THERETO.
FR2797666B1 (en) * 1999-08-18 2001-11-16 Antonov Automotive Europ TRANSMISSION DEVICE, PARTICULARLY FOR A LAND VEHICLE
FR2840043B1 (en) * 2002-05-23 2004-12-03 Antonov Automotive Europ TRANSMISSION DEVICE, FOR LAND VEHICLE, ESPECIALLY CAR

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB423267A (en) * 1933-11-04 1935-01-29 Edgar Joseph De Normanville Improvements relating to power transmitting mechanisms
US3048056A (en) * 1958-04-10 1962-08-07 Gen Motors Corp Drive system
US4114478A (en) * 1977-01-03 1978-09-19 Borg-Warner Corporation Planetary transmission mechanism
EP0317214A2 (en) * 1987-11-18 1989-05-24 Borg-Warner Automotive, Inc. Centrifugally controlled two-speed accessory drive
EP0751316A1 (en) * 1995-06-30 1997-01-02 Honda Giken Kogyo Kabushiki Kaisha Centrifugal friction clutch for automatic speed changing device

Also Published As

Publication number Publication date
GB0723268D0 (en) 2008-01-09
WO2009068882A2 (en) 2009-06-04
GB2455097B (en) 2010-01-06
GB2455097A (en) 2009-06-03

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