KR910017110A - 유압제어밸브 - Google Patents
유압제어밸브 Download PDFInfo
- Publication number
- KR910017110A KR910017110A KR1019910003916A KR910003916A KR910017110A KR 910017110 A KR910017110 A KR 910017110A KR 1019910003916 A KR1019910003916 A KR 1019910003916A KR 910003916 A KR910003916 A KR 910003916A KR 910017110 A KR910017110 A KR 910017110A
- Authority
- KR
- South Korea
- Prior art keywords
- casing
- valve body
- oil
- land portion
- hydraulic control
- Prior art date
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
- B62D5/08—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
-
- 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
- B62D5/0837—Rotary valves characterised by the shape of the control edges, e.g. to reduce noise
-
- 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
-
- 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
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/86702—With internal flow passage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
- Multiple-Way Valves (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 중립상태의 주요부 횡단면도, 제2도는 밸브제가 우측으로 조금 회전한 상태의 주요부 횡단면도, 제3도는 밸브제가 우측으로 크게 회전한 상태의 횡단면도.
Claims (3)
- 기름도입로 및 기름도출로를 구비하여, 홈부와 랜드부가 소정방향으로 교대로 형성되어 있는 케이싱과, 케이싱에 대해 상기 방향으로 상대적으로 이동할 수 있도록 부착되며, 귀환유로를 구비하고, 홈부와 랜드부가 상기 이동방향으로 교대로 형성되어 있는 밸브체로 이루어지며, 중립상태에 있어서, 케이싱과 밸브체의 흡부와 랜드부가 서로 대향하고, 기름도입로에서 공급된 기름이 귀환유로에 흘러, 중립상태에서 케이싱에 대해 밸브체가 이동했을때, 케이싱과 밸브체의 랜드부에 의해 기름도입로와 귀환유로와의 사이가 차단되어 기름도입로에서 공급된 기름이 기름도출에 흐르게 개끔 되어 있는 유압재어밸브에 있어서, 케이싱 또는 밸브체의 랜드부에, 중립상태로 부터의 케이싱에 대한 밸브체의 이동량이 소정치보다 커졌을때에 기름도입로에서 공급된 기름을 귀환유로에 흐르게 하는 요부가 형성되어 있는 것을 특징으로 하는 유압제어밸브.
- 제1항에 있어서, 케이싱이 원통형상의 것이고, 그 내부면에 축선방향으로 뻗는 홈와 랜드부가 형성되고, 밸브체가 케이싱의 내측에 축선을 중심으로 회전할 수 있도록 끼워진 원주형상의 것이며, 그 외주면에 축선방향으로 뻗는 홈부와 랜드부가 형성되어 있는 것을 특징으로 하는 유압제어밸브.
- 제1항에 있어서, 케이싱이 원통형상의 것이고, 그 내부면에 환상의 홈부와 랜드부가 형성되고, 밸브 체가 케이싱 내측에 축선방향이고 이동할 수 있도록 끼워진 원주형상의 것이고, 그 외주면에 환상의 홈부와 랜드부가 형성되어 있는 것을 특징으로 하는 유압제어밸브.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2066708A JPH03266774A (ja) | 1990-03-15 | 1990-03-15 | 油圧制御弁 |
JP2-66708 | 1990-03-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910017110A true KR910017110A (ko) | 1991-11-05 |
KR0157633B1 KR0157633B1 (ko) | 1998-10-15 |
Family
ID=13323698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910003916A KR0157633B1 (ko) | 1990-03-15 | 1991-03-12 | 유압제어밸브 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5048567A (ko) |
EP (1) | EP0446785B1 (ko) |
JP (1) | JPH03266774A (ko) |
KR (1) | KR0157633B1 (ko) |
DE (1) | DE69110505T2 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5259413A (en) * | 1992-08-27 | 1993-11-09 | Trw Inc. | Steering control valve with contoured control surfaces |
US5524525A (en) * | 1994-05-23 | 1996-06-11 | A.I.L. Inc. | Rotary servo valve and guidance system apparatus for controlling the same |
KR100559234B1 (ko) * | 1998-09-30 | 2006-07-21 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 회전식 감속밸브 장치 |
WO2003093089A1 (en) * | 2002-05-03 | 2003-11-13 | Trw Automotive U.S. Llc | Power steering control valve |
CN106697045A (zh) * | 2015-11-16 | 2017-05-24 | 镇江液压股份有限公司 | 一种多重阻尼缓冲降噪型低噪音转向器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3106938A (en) * | 1962-02-14 | 1963-10-15 | Clark Equipment Co | Hydraulic vavle |
JPS52145927A (en) * | 1976-05-28 | 1977-12-05 | Kayaba Ind Co Ltd | Steering force limitting device for power steering device |
JPS57949A (en) * | 1980-05-30 | 1982-01-06 | Toyoda Mach Works Ltd | Servo-valve |
US4516471A (en) * | 1981-12-28 | 1985-05-14 | Ford Motor Company | Power steering valve with chamfered lands |
JPS6015265A (ja) * | 1983-07-04 | 1985-01-25 | Toyoda Mach Works Ltd | サ−ボバルブ |
DE3731014A1 (de) * | 1987-09-16 | 1989-03-30 | Bihlmaier Eugen | Mechanisch-hydraulische servolenkung |
-
1990
- 1990-03-15 JP JP2066708A patent/JPH03266774A/ja active Pending
-
1991
- 1991-03-07 DE DE69110505T patent/DE69110505T2/de not_active Expired - Fee Related
- 1991-03-07 EP EP91103487A patent/EP0446785B1/en not_active Expired - Lifetime
- 1991-03-11 US US07/667,334 patent/US5048567A/en not_active Expired - Fee Related
- 1991-03-12 KR KR1019910003916A patent/KR0157633B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5048567A (en) | 1991-09-17 |
DE69110505T2 (de) | 1996-02-15 |
EP0446785A1 (en) | 1991-09-18 |
JPH03266774A (ja) | 1991-11-27 |
DE69110505D1 (de) | 1995-07-27 |
EP0446785B1 (en) | 1995-06-21 |
KR0157633B1 (ko) | 1998-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |