GB2317662A - Differential driving system - Google Patents

Differential driving system

Info

Publication number
GB2317662A
GB2317662A GB9800254A GB9800254A GB2317662A GB 2317662 A GB2317662 A GB 2317662A GB 9800254 A GB9800254 A GB 9800254A GB 9800254 A GB9800254 A GB 9800254A GB 2317662 A GB2317662 A GB 2317662A
Authority
GB
United Kingdom
Prior art keywords
differential
steering
gears
driven
rotate
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.)
Granted
Application number
GB9800254A
Other versions
GB9800254D0 (en
GB2317662B (en
Inventor
Peter James Gibson
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 GBGB9514213.9A external-priority patent/GB9514213D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9800254A priority Critical patent/GB2317662B/en
Publication of GB9800254D0 publication Critical patent/GB9800254D0/en
Publication of GB2317662A publication Critical patent/GB2317662A/en
Application granted granted Critical
Publication of GB2317662B publication Critical patent/GB2317662B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source

Abstract

A differential driving system capable of operating as a steering system for skid steer vehicles having two differentials, a steering differential (11) dedicated to steering and a propulsion differential (1) having its planet carrier (2) adapted to be driven by a vehicle motor (5) and providing drive shafts (6, 7) for the opposite sides of a vehicle. One of the gears of the steering differential is driven by a variable speed reversible motor (17), which is adapted not to rotate for straight running, and the other two gears are each connected to rotate with one of the drive shafts (6, 7). No rotation of the gear of the steering differential driven by the reversible motor (17) means that the other two gears rotate in the same direction and the drive ratios of the connection means ensure that the angular velocities of the two drive shafts (6, 7) are equal.
GB9800254A 1995-07-12 1996-07-05 Differential driving system Expired - Fee Related GB2317662B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9800254A GB2317662B (en) 1995-07-12 1996-07-05 Differential driving system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9514213.9A GB9514213D0 (en) 1995-07-12 1995-07-12 Steering system for skid steer vehicles
PCT/GB1996/001600 WO1997002975A1 (en) 1995-07-12 1996-07-05 Differential driving system
GB9800254A GB2317662B (en) 1995-07-12 1996-07-05 Differential driving system

Publications (3)

Publication Number Publication Date
GB9800254D0 GB9800254D0 (en) 1998-03-04
GB2317662A true GB2317662A (en) 1998-04-01
GB2317662B GB2317662B (en) 1999-05-12

Family

ID=26307378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9800254A Expired - Fee Related GB2317662B (en) 1995-07-12 1996-07-05 Differential driving system

Country Status (1)

Country Link
GB (1) GB2317662B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730182A (en) * 1952-11-21 1956-01-10 Goodman Mfg Co Control differential transmission gearing
FR2382362A1 (en) * 1977-03-04 1978-09-29 Anvar Powered differential for tracked vehicle drive uses integral pump to control shaft speed difference between half shafts
WO1985001784A1 (en) * 1983-10-21 1985-04-25 Gleasman Vernon E No-slip, imposed differential

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730182A (en) * 1952-11-21 1956-01-10 Goodman Mfg Co Control differential transmission gearing
FR2382362A1 (en) * 1977-03-04 1978-09-29 Anvar Powered differential for tracked vehicle drive uses integral pump to control shaft speed difference between half shafts
WO1985001784A1 (en) * 1983-10-21 1985-04-25 Gleasman Vernon E No-slip, imposed differential

Also Published As

Publication number Publication date
GB9800254D0 (en) 1998-03-04
GB2317662B (en) 1999-05-12

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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: 20100705