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WO2008129275A8 - Vehicle steering arrangement - Google Patents

Vehicle steering arrangement Download PDF

Info

Publication number
WO2008129275A8
WO2008129275A8 PCT/GB2008/001378 GB2008001378W WO2008129275A8 WO 2008129275 A8 WO2008129275 A8 WO 2008129275A8 GB 2008001378 W GB2008001378 W GB 2008001378W WO 2008129275 A8 WO2008129275 A8 WO 2008129275A8
Authority
WO
WIPO (PCT)
Prior art keywords
rear wheels
vehicle steering
steering actuators
steering arrangement
coupling
Prior art date
Application number
PCT/GB2008/001378
Other languages
French (fr)
Other versions
WO2008129275A1 (en
Inventor
Torquil Ross-Martin
Original Assignee
Advanced Transp Systems Ltd
Torquil Ross-Martin
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 Advanced Transp Systems Ltd, Torquil Ross-Martin filed Critical Advanced Transp Systems Ltd
Publication of WO2008129275A1 publication Critical patent/WO2008129275A1/en
Publication of WO2008129275A8 publication Critical patent/WO2008129275A8/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
    • B62D7/1518—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a mechanical interconnecting system between the steering control means of the different axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/001—Mechanical components or aspects of steer-by-wire systems, not otherwise provided for in this maingroup
    • B62D5/003—Backup systems, e.g. for manual steering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/043—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by clutch means between driving element, e.g. motor, and driven element, e.g. steering column or steering gear
    • B62D5/0433—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by clutch means between driving element, e.g. motor, and driven element, e.g. steering column or steering gear the clutch being of on-off type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/142—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering specially adapted for particular vehicles, e.g. tractors, carts, earth-moving vehicles, trucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/148—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering provided with safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D7/00—Steering linkage; Stub axles or their mountings
    • B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
    • B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
    • B62D7/15—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels
    • B62D7/1554—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering characterised by means varying the ratio between the steering angles of the steered wheels comprising a fluid interconnecting system between the steering control means of the different axles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

An automatically controlled vehicle, for example for use in a personal rapid transit system, comprises front and rear wheels (2, 4) which are steerable by means of steering actuators (16, 18). In normal operation, a coupling (20) is disengaged, so that the front and rear wheels (2, 4) are steered independently of each other. In the event of failure of one of the steering actuators (16, 18), the coupling (20) is engaged, and both front and rear wheels (2, 4) are steered, for example in opposite directions from each other, by means of the remaining functional steering actuators (16, 18).
PCT/GB2008/001378 2007-04-20 2008-04-21 Vehicle steering arrangement WO2008129275A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0707684.7 2007-04-20
GB0707684A GB2448471A (en) 2007-04-20 2007-04-20 Vehicle with backup mode for four wheel steering

Publications (2)

Publication Number Publication Date
WO2008129275A1 WO2008129275A1 (en) 2008-10-30
WO2008129275A8 true WO2008129275A8 (en) 2009-01-29

Family

ID=38135165

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/001378 WO2008129275A1 (en) 2007-04-20 2008-04-21 Vehicle steering arrangement

Country Status (2)

Country Link
GB (1) GB2448471A (en)
WO (1) WO2008129275A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072628A (en) * 2011-12-07 2013-05-01 临沂大学 Two-wheel steering and four-wheel steering switching mechanism for vehicles
CN103072626A (en) * 2011-12-07 2013-05-01 临沂大学 Four-wheel steering connecting device of agriculture vehicle
CN103707919B (en) * 2012-09-29 2017-02-22 梁州善 In situ steering-mode gear transmission of wheeled locomotive
DE102015008587A1 (en) 2015-07-02 2017-01-05 Audi Ag Motor vehicle for a piloted driving with a front axle steering system and a rear axle steering system
DE102016204560A1 (en) 2016-03-18 2017-09-21 Ford Global Technologies, Llc Steering system for a steerable vehicle
CN108891481A (en) * 2018-07-17 2018-11-27 四川川龙拖拉机制造有限公司 4-wheel Steering Control System, carriage and four-wheel tractor
CN110654456B (en) * 2019-10-17 2021-05-18 北京易控智驾科技有限公司 Recirculating ball type steering safety redundancy system of unmanned commercial vehicle and control method
US11345400B2 (en) 2020-06-30 2022-05-31 Zoox, Inc. Trajectory tracking with four-wheel steering and steering limits
US11414127B2 (en) 2020-06-30 2022-08-16 Zoox, Inc. Trajectory tracking with four-wheel steering
US11518412B2 (en) * 2020-06-30 2022-12-06 Zoox, Inc. Trajectory determination for four-wheel steering

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786768B2 (en) * 1987-09-25 1995-09-20 三菱重工業株式会社 Driving controller for unmanned vehicles
JPH01101269A (en) * 1987-10-13 1989-04-19 Toyoda Mach Works Ltd Rear wheel steering equipment
JPH01202577A (en) * 1988-02-06 1989-08-15 Nissan Motor Co Ltd Steering angle control device for vehicle
DE3833420C1 (en) * 1988-10-01 1989-12-28 Daimler-Benz Aktiengesellschaft, 7000 Stuttgart, De All-wheel steering system
US5323866A (en) * 1993-03-01 1994-06-28 Hydro-Quebec Power steering system
DE19703846A1 (en) * 1997-02-01 1998-08-06 Claas Ohg Electro-hydraulic steering system for vehicles
DE19716201B4 (en) * 1997-04-18 2012-11-15 Claas Kgaa Mbh Mehrachslenkung

Also Published As

Publication number Publication date
WO2008129275A1 (en) 2008-10-30
GB0707684D0 (en) 2007-05-30
GB2448471A (en) 2008-10-22

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