IT7921287A0 - Valvola per servosterzo eprocedimento di fabbricazione relativo. - Google Patents
Valvola per servosterzo eprocedimento di fabbricazione relativo.Info
- Publication number
- IT7921287A0 IT7921287A0 IT7921287A IT2128779A IT7921287A0 IT 7921287 A0 IT7921287 A0 IT 7921287A0 IT 7921287 A IT7921287 A IT 7921287A IT 2128779 A IT2128779 A IT 2128779A IT 7921287 A0 IT7921287 A0 IT 7921287A0
- Authority
- IT
- Italy
- Prior art keywords
- power steering
- manufacturing procedure
- steering valve
- related manufacturing
- valve
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
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)
- Sliding Valves (AREA)
- Transmission Devices (AREA)
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 true IT7921287A0 (it) | 1979-03-26 |
IT1111251B 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)
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 |
CN101479483B (zh) * | 2006-06-24 | 2011-04-13 | Ixetic巴德霍姆堡有限责任公司 | 泵 |
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***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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE308058C (it) * | ||||
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 | ||
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 |
GB1545143A (en) * | 1976-07-09 | 1979-05-02 | Bishop A | 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 |
-
1978
- 1978-03-27 US US05/890,032 patent/US4276812A/en not_active Expired - Lifetime
-
1979
- 1979-03-13 CA CA000323344A patent/CA1141263A/en not_active Expired
- 1979-03-22 GB GB7910068A patent/GB2020587B/en not_active Expired
- 1979-03-26 BR BR7901822A patent/BR7901822A/pt unknown
- 1979-03-26 IT IT2128779A patent/IT1111251B/it active
- 1979-03-26 NL NL7902338A patent/NL7902338A/xx not_active Application Discontinuation
- 1979-03-26 MX MX177049A patent/MX152620A/es unknown
- 1979-03-26 FR FR7907545A patent/FR2421020A1/fr not_active Withdrawn
- 1979-03-26 BE BE0/194228A patent/BE875108A/xx unknown
- 1979-03-26 LU LU81081A patent/LU81081A1/xx unknown
- 1979-03-27 AU AU45512/79A patent/AU4551279A/en not_active Abandoned
- 1979-03-27 ES ES478996A patent/ES478996A1/es not_active Expired
- 1979-03-27 JP JP3616779A patent/JPS54132935A/ja active Pending
- 1979-03-27 DE DE19792912118 patent/DE2912118A1/de not_active Withdrawn
- 1979-03-27 DK DK123579A patent/DK123579A/da not_active Application Discontinuation
- 1979-03-27 AR AR27595379A patent/AR217738A1/es active
-
1980
- 1980-02-13 ES ES488545A patent/ES488545A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2020587B (en) | 1983-04-27 |
IT1111251B (it) | 1986-01-13 |
ES488545A1 (es) | 1980-09-16 |
AR217738A1 (es) | 1980-04-15 |
MX152620A (es) | 1985-10-01 |
DE2912118A1 (de) | 1979-10-11 |
BR7901822A (pt) | 1979-11-20 |
JPS54132935A (en) | 1979-10-16 |
AU4551279A (en) | 1979-10-04 |
ES478996A1 (es) | 1980-08-16 |
LU81081A1 (fr) | 1979-07-20 |
NL7902338A (nl) | 1979-10-01 |
US4276812A (en) | 1981-07-07 |
FR2421020A1 (fr) | 1979-10-26 |
DK123579A (da) | 1979-09-28 |
GB2020587A (en) | 1979-11-21 |
BE875108A (fr) | 1979-07-16 |
CA1141263A (en) | 1983-02-15 |
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