GB2278408B - A Differential mechanism - Google Patents

A Differential mechanism

Info

Publication number
GB2278408B
GB2278408B GB9413431A GB9413431A GB2278408B GB 2278408 B GB2278408 B GB 2278408B GB 9413431 A GB9413431 A GB 9413431A GB 9413431 A GB9413431 A GB 9413431A GB 2278408 B GB2278408 B GB 2278408B
Authority
GB
United Kingdom
Prior art keywords
cam
followers
output
members
engages
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.)
Expired - Fee Related
Application number
GB9413431A
Other versions
GB9413431D0 (en
GB2278408A (en
Inventor
John Spooner
Alastair John Young
John Phillip Chippendale
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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 GB929223406A external-priority patent/GB9223406D0/en
Application filed by Automotive Products PLC filed Critical Automotive Products PLC
Priority to GB9413431A priority Critical patent/GB2278408B/en
Publication of GB9413431D0 publication Critical patent/GB9413431D0/en
Publication of GB2278408A publication Critical patent/GB2278408A/en
Application granted granted Critical
Publication of GB2278408B publication Critical patent/GB2278408B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0483—Axle or inter-axle differentials
    • 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
    • F16H48/00—Differential gearings
    • F16H48/12—Differential gearings without gears having orbital motion
    • F16H48/14—Differential gearings without gears having orbital motion with cams
    • F16H48/147—Differential gearings without gears having orbital motion with cams with driven cam followers or balls engaging two opposite cams

Landscapes

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

Abstract

A differential mechanism (10) having two output cam members (22, 23) rotatable about an axis (A) each cam member having a single annular cam surface of undulating form comprising pairs of mutually inclined surfaces (24, 25; 26, 27). The inclined surfaces are engaged by end surfaces (29, 30; 32, 33) of followers (28) so that relative contra rotation of the output cam members (22, 23) causes the cam followers (28) to slide axially. An input element (16) engages and supports the followers and moves the followers circumferentially relative to the output cam members. The input element (16) engages with a radially inner portion (36) of each cam follower to move the follower circumferentially relative to the cam output members (22, 23), and the cam surfaces (24, 25; 26, 27) are inclined (P, P2) away from the axis of rotation (A). <IMAGE>
GB9413431A 1992-11-07 1993-11-08 A Differential mechanism Expired - Fee Related GB2278408B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9413431A GB2278408B (en) 1992-11-07 1993-11-08 A Differential mechanism

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929223406A GB9223406D0 (en) 1992-11-07 1992-11-07 A differential mechanism
PCT/GB1993/002298 WO1994011653A1 (en) 1992-11-07 1993-11-08 A differential mechanism
GB9413431A GB2278408B (en) 1992-11-07 1993-11-08 A Differential mechanism

Publications (3)

Publication Number Publication Date
GB9413431D0 GB9413431D0 (en) 1994-08-31
GB2278408A GB2278408A (en) 1994-11-30
GB2278408B true GB2278408B (en) 1995-12-20

Family

ID=26301934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9413431A Expired - Fee Related GB2278408B (en) 1992-11-07 1993-11-08 A Differential mechanism

Country Status (1)

Country Link
GB (1) GB2278408B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB545997A (en) * 1940-01-12 1942-06-23 Harry Norman Wales Improved differential driving mechanism
GB752997A (en) * 1953-10-12 1956-07-18 Maag Zahnraeder & Maschinen Ag Improvements in or relating to gearless differentials
EP0284329A1 (en) * 1987-03-19 1988-09-28 Axial Wave Drive Bv Improvements in differential mechanisms
EP0326289A1 (en) * 1988-01-22 1989-08-02 Automotive Products Plc A differential mechanism

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB545997A (en) * 1940-01-12 1942-06-23 Harry Norman Wales Improved differential driving mechanism
GB752997A (en) * 1953-10-12 1956-07-18 Maag Zahnraeder & Maschinen Ag Improvements in or relating to gearless differentials
EP0284329A1 (en) * 1987-03-19 1988-09-28 Axial Wave Drive Bv Improvements in differential mechanisms
EP0326289A1 (en) * 1988-01-22 1989-08-02 Automotive Products Plc A differential mechanism

Also Published As

Publication number Publication date
GB9413431D0 (en) 1994-08-31
GB2278408A (en) 1994-11-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971108