WO2002095269A3 - Rack bushing with two-part seal - Google Patents

Rack bushing with two-part seal Download PDF

Info

Publication number
WO2002095269A3
WO2002095269A3 PCT/US2002/018487 US0218487W WO02095269A3 WO 2002095269 A3 WO2002095269 A3 WO 2002095269A3 US 0218487 W US0218487 W US 0218487W WO 02095269 A3 WO02095269 A3 WO 02095269A3
Authority
WO
WIPO (PCT)
Prior art keywords
rack
bushing
groove
seal member
sealing
Prior art date
Application number
PCT/US2002/018487
Other languages
French (fr)
Other versions
WO2002095269A2 (en
Inventor
John Saarinen
Original Assignee
Trw Inc
John Saarinen
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 Trw Inc, John Saarinen filed Critical Trw Inc
Priority to EP02744284A priority Critical patent/EP1395480A4/en
Priority to AU2002339882A priority patent/AU2002339882A1/en
Publication of WO2002095269A2 publication Critical patent/WO2002095269A2/en
Publication of WO2002095269A3 publication Critical patent/WO2002095269A3/en

Links

Classifications

    • 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
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
    • B62D5/22—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for rack-and-pinion type
    • 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
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062—Details, component parts

Abstract

A hydraulic steering gear (10) comprises a tubular housing (16) partially defining a chamber (24) for receiving fluid under pressure. An annular bushing (30) supports a rack (20) for axial movement in the chamber (24) .The bushing has a cylindrical inner surface (32) with a groove (50) defined by a bottom surface (52) and two end surfaces (54, 56) .A seal assembly (60) is received in the groove (50) for sealing between the rack (20) and the bushing (30) .The seal assembly (60) includes a first seal member (62) located in the groove (50) in sealing engagement with the bottom surface (52) of the bushing (30), and a second seal member (64) located in the groove (50) in sealing engagement with the first sealing member (62) and with the rack (20) .The second seal member (64) is disposed radially between the first seal member (62) and the rack (20) .
PCT/US2002/018487 2001-05-18 2002-05-16 Rack bushing with two-part seal WO2002095269A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02744284A EP1395480A4 (en) 2001-05-18 2002-05-16 Rack bushing with two-part seal
AU2002339882A AU2002339882A1 (en) 2001-05-18 2002-05-16 Rack bushing with two-part seal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29217401P 2001-05-18 2001-05-18
US60/292,174 2001-05-18

Publications (2)

Publication Number Publication Date
WO2002095269A2 WO2002095269A2 (en) 2002-11-28
WO2002095269A3 true WO2002095269A3 (en) 2003-04-17

Family

ID=23123535

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/018487 WO2002095269A2 (en) 2001-05-18 2002-05-16 Rack bushing with two-part seal

Country Status (3)

Country Link
EP (1) EP1395480A4 (en)
AU (1) AU2002339882A1 (en)
WO (1) WO2002095269A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105799774A (en) * 2016-05-11 2016-07-27 新乡艾迪威汽车科技有限公司 Rack supporting sleeve structure of automobile steering device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549154A (en) * 1969-04-28 1970-12-22 G E Conover & Co Inc Motion transmitting system with seal protection
US4301691A (en) * 1978-12-01 1981-11-24 Zahnradfabrik Friedrichshafen, Ag. Rack steering mechanism
US4373599A (en) * 1980-03-08 1983-02-15 Zahnradfabrik Friedrichshafen, Ag. Hydraulic rack steering system
US4709932A (en) * 1986-02-06 1987-12-01 Busak & Luyken Gmbh And Co. Double wiper seal arrangement
US5098071A (en) * 1989-08-30 1992-03-24 Nhk Spring Co., Ltd. Die spring apparatus
US5505276A (en) * 1994-10-20 1996-04-09 Trw Inc. Poer steering system with minimum pressure maintained within the power steering motor
US5709283A (en) * 1995-12-12 1998-01-20 Trw Inc. Method and apparatus for a hydraulic seal retainer for a rack and pinion steering gear
US6155375A (en) * 1999-03-18 2000-12-05 Trw Inc. Bushing assembly for a rack and pinion steering gear

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1252202B (en) * 1991-12-12 1995-06-05 Giuseppe Baggioli HYDRAULIC ACTUATOR, PARTICULARLY FOR THE ACTUATION OF SERVO AND SIMILAR.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3549154A (en) * 1969-04-28 1970-12-22 G E Conover & Co Inc Motion transmitting system with seal protection
US4301691A (en) * 1978-12-01 1981-11-24 Zahnradfabrik Friedrichshafen, Ag. Rack steering mechanism
US4373599A (en) * 1980-03-08 1983-02-15 Zahnradfabrik Friedrichshafen, Ag. Hydraulic rack steering system
US4709932A (en) * 1986-02-06 1987-12-01 Busak & Luyken Gmbh And Co. Double wiper seal arrangement
US5098071A (en) * 1989-08-30 1992-03-24 Nhk Spring Co., Ltd. Die spring apparatus
US5505276A (en) * 1994-10-20 1996-04-09 Trw Inc. Poer steering system with minimum pressure maintained within the power steering motor
US5709283A (en) * 1995-12-12 1998-01-20 Trw Inc. Method and apparatus for a hydraulic seal retainer for a rack and pinion steering gear
US6155375A (en) * 1999-03-18 2000-12-05 Trw Inc. Bushing assembly for a rack and pinion steering gear

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1395480A4 *

Also Published As

Publication number Publication date
WO2002095269A2 (en) 2002-11-28
EP1395480A2 (en) 2004-03-10
AU2002339882A1 (en) 2002-12-03
EP1395480A4 (en) 2006-03-22

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