IT1111251B - Valvola per servosterzo e procedimento di fabbricazione relativo - Google Patents

Valvola per servosterzo e procedimento di fabbricazione relativo

Info

Publication number
IT1111251B
IT1111251B IT2128779A IT2128779A IT1111251B IT 1111251 B IT1111251 B IT 1111251B IT 2128779 A IT2128779 A IT 2128779A IT 2128779 A IT2128779 A IT 2128779A IT 1111251 B IT1111251 B IT 1111251B
Authority
IT
Italy
Prior art keywords
valve
power steering
manufacturing procedure
related manufacturing
procedure
Prior art date
Application number
IT2128779A
Other languages
English (en)
Other versions
IT7921287A0 (it
Original Assignee
Trw Inc
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 filed Critical Trw Inc
Publication of IT7921287A0 publication Critical patent/IT7921287A0/it
Application granted granted Critical
Publication of IT1111251B publication Critical patent/IT1111251B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B23C3/30—Milling straight grooves, e.g. keyways
    • 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
    • B62D5/08—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used
    • B62D5/083—Rotary valves
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86654—For plural lines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86638—Rotary valve
    • Y10T137/86646—Plug type
    • Y10T137/86662—Axial and radial flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Steering Mechanism (AREA)
  • Transmission Devices (AREA)
  • Sliding Valves (AREA)
IT2128779A 1978-03-27 1979-03-26 Valvola per servosterzo e procedimento di fabbricazione relativo IT1111251B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/890,032 US4276812A (en) 1978-03-27 1978-03-27 Power steering valve and method of making the same

Publications (2)

Publication Number Publication Date
IT7921287A0 IT7921287A0 (it) 1979-03-26
IT1111251B true IT1111251B (it) 1986-01-13

Family

ID=25396135

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2128779A IT1111251B (it) 1978-03-27 1979-03-26 Valvola per servosterzo e procedimento di fabbricazione relativo

Country Status (16)

Country Link
US (1) US4276812A (it)
JP (1) JPS54132935A (it)
AR (1) AR217738A1 (it)
AU (1) AU4551279A (it)
BE (1) BE875108A (it)
BR (1) BR7901822A (it)
CA (1) CA1141263A (it)
DE (1) DE2912118A1 (it)
DK (1) DK123579A (it)
ES (2) ES478996A1 (it)
FR (1) FR2421020A1 (it)
GB (1) GB2020587B (it)
IT (1) IT1111251B (it)
LU (1) LU81081A1 (it)
MX (1) MX152620A (it)
NL (1) NL7902338A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500398B1 (fr) * 1981-02-23 1985-07-19 Dba Dispositif formant valve de servodirection a montage simplifie et ensemble de distribution formant partie d'un tel dispositif
US4554817A (en) * 1983-05-10 1985-11-26 Trw Inc. Valve sleeve shaping method
GB2144379B (en) * 1983-08-05 1987-05-20 Cam Gears Ltd Power steering valve and method of making the same
GB2144380B (en) * 1983-08-05 1987-04-29 Cam Gears Ltd Power steering rotary valve
JPS61278467A (ja) * 1985-06-03 1986-12-09 Jidosha Kiki Co Ltd 弁スリ−ブおよびその製造方法
JPS62197235A (ja) * 1986-02-24 1987-08-31 Tokai T R W Kk 単片型バルブスリ−ブの製造方法
US4819545A (en) * 1987-07-28 1989-04-11 Trw Inc. Power steering system
JPH03128767A (ja) * 1989-10-13 1991-05-31 Jidosha Kiki Co Ltd バルブスリーブ
GB9000580D0 (en) * 1990-01-10 1990-03-14 Refurbished Turbine Components Apparatus for and methods of the repair of turbine blades
US5505276A (en) * 1994-10-20 1996-04-09 Trw Inc. Poer steering system with minimum pressure maintained within the power steering motor
US5544522A (en) 1994-10-28 1996-08-13 Trw Inc. Steering assembly and method
US5836417A (en) * 1996-01-02 1998-11-17 Trw Inc. Power steering fluid
US6176343B1 (en) 1997-12-15 2001-01-23 Trw Inc. Vehicle steering apparatus
US5975573A (en) * 1998-01-23 1999-11-02 Trw Inc. Steering system
US6382343B1 (en) * 1998-04-22 2002-05-07 Trw Inc. Power steering apparatus
US6655491B1 (en) 2000-06-09 2003-12-02 Trw Inc. Power steering apparatus
US6431306B1 (en) 2001-01-29 2002-08-13 Trw Inc. Power steering valve with valve sleeve retainer
ES2360144T3 (es) * 2006-06-24 2011-06-01 Ixetic Bad Homburg Gmbh Bomba.
KR101138122B1 (ko) * 2008-06-17 2012-04-23 한라스택폴 주식회사 피니언 밸브 바디와 이를 구비한 피니언 밸브 어셈블리
FR2972375B1 (fr) * 2011-03-11 2014-04-11 Renault Sa Procede d'usinage du passage de bielle dans un carter cylindre carter cylindre et moteur obtenus par le procede
CN107618022B (zh) * 2017-09-14 2024-04-26 西南交通大学 容积调速液压系统和助力下肢外骨骼
CN108161092A (zh) * 2018-03-22 2018-06-15 河北博萨机械制造集团有限公司 用于均布槽加工的铣削部件

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE26411C (de) * 0. buchbinder und l.vogt in Wien Maschine zum Fräsen von Keil- und anderen Nuthen in den Bohrungen von Rädern, Riemenscheiben und anderen Maschinentheilen
DE308058C (it) *
BE372819A (it) *
US2926570A (en) * 1955-11-07 1960-03-01 Ingersoll Milling Machine Co Boring machine
US3022772A (en) * 1957-10-02 1962-02-27 Gen Motors Corp Rotary power steering valve with torsion bar centering
CH383195A (de) * 1960-12-15 1964-10-15 Bbc Brown Boveri & Cie Einrichtung zum Einschleifen flacher Vertiefungen in die Innenwand eines Hohlzylinders
CH462375A (de) * 1966-06-22 1968-09-15 Synthes Ag Osteosynthetische Druckplatte
FR1536499A (fr) * 1966-08-15 1968-08-16 Euratom Appareil pour le fraisage et le perçage de rainures et de trous borgnes dans la paroi interne de tubes
US3433127A (en) * 1966-12-30 1969-03-18 Gen Motors Corp Power steering system with hydraulic reaction
US3591139A (en) * 1968-03-20 1971-07-06 Arthur E Bishop Method and apparatus for making valve sleeves
US3602255A (en) * 1970-01-30 1971-08-31 Arthur E Bishop Power steering valve system
US3667346A (en) * 1970-10-29 1972-06-06 Ford Motor Co Fluid control valve for a hydrostatic power boosting mechanism for an automotive steering gear
US3921669A (en) * 1972-04-20 1975-11-25 Trw Inc Integral power steering gear and sintered metal valve sleeve therefor
US3896702A (en) * 1973-07-27 1975-07-29 Trw Inc Power steering gear with relief valve on power piston
US3908479A (en) * 1973-12-10 1975-09-30 Stanley I Macduff Variable ratio rack and pinion power steering gear
US3863525A (en) * 1974-04-24 1975-02-04 Schaefer Equip Method of making a forging die
US4194531A (en) * 1976-07-09 1980-03-25 Bishop Arthur E Rotary valves
US4164892A (en) * 1976-12-22 1979-08-21 Trw Inc. Control apparatus
US4117864A (en) * 1977-09-15 1978-10-03 The Bendix Corporation Power steering control valve

Also Published As

Publication number Publication date
ES488545A1 (es) 1980-09-16
GB2020587B (en) 1983-04-27
AU4551279A (en) 1979-10-04
BE875108A (fr) 1979-07-16
US4276812A (en) 1981-07-07
ES478996A1 (es) 1980-08-16
BR7901822A (pt) 1979-11-20
NL7902338A (nl) 1979-10-01
FR2421020A1 (fr) 1979-10-26
LU81081A1 (fr) 1979-07-20
MX152620A (es) 1985-10-01
JPS54132935A (en) 1979-10-16
DK123579A (da) 1979-09-28
CA1141263A (en) 1983-02-15
GB2020587A (en) 1979-11-21
AR217738A1 (es) 1980-04-15
DE2912118A1 (de) 1979-10-11
IT7921287A0 (it) 1979-03-26

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