KR100790049B1 - 오일쿨러용 유압회로 - Google Patents
오일쿨러용 유압회로 Download PDFInfo
- Publication number
- KR100790049B1 KR100790049B1 KR1020060078384A KR20060078384A KR100790049B1 KR 100790049 B1 KR100790049 B1 KR 100790049B1 KR 1020060078384 A KR1020060078384 A KR 1020060078384A KR 20060078384 A KR20060078384 A KR 20060078384A KR 100790049 B1 KR100790049 B1 KR 100790049B1
- Authority
- KR
- South Korea
- Prior art keywords
- oil
- line
- hydraulic
- oil cooler
- bypass
- Prior art date
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Images
Classifications
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- 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
- B62D5/09—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 means for actuating valves
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- 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
- B62D5/065—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 specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist
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- 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
- B62D5/07—Supply of pressurised fluid for steering also supplying other consumers ; control thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4043—Control of a bypass valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims (3)
- 오일탱크(400)와, 작업장치로부터 상기 오일탱크로 리턴되는 작동유가 흐르는 리턴라인(510)과, 조향장치(100)로부터 연결된 제1 냉각라인(110)과 팬모터(200)로부터 연결된 제2 냉각라인(210)을 통해 각각 작동유를 공급받아 냉각시킨 후 상기 오일탱크로 배출하는 오일쿨러(300)를 구비한 유압구동 차량의 유압회로에 있어서,상기 제1 냉각라인(110)과 상기 리턴라인(510)을 연결하는 바이패스라인(600)과,상기 바이패스라인(600)상에 위치하며 상기 제1 냉각라인(110)의 압력이 사전 설정된 값을 초과하는 동시에 상기 리턴라인(510)의 압력보다 클 때 상기 바이패스라인(600)을 따라 형성된 유로를 개방하는 바이패스밸브(610)를 더 포함하는 것을 특징으로 하는 오일쿨러용 유압회로.
- 제1항에 있어서, 상기 바이패스밸브(610)는,크래킹 압력을 제어할 수 있는 체크밸브인 것을 특징으로 하는 오일쿨러용 유압회로.
- 제1항 또는 제2항에 있어서,상기 바이패스라인(600)과 상기 바이패스밸브(610)는 각각 블럭 밸브 내에 위치하는 것을 특징으로 하는 오일쿨러용 유압회로.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060078384A KR100790049B1 (ko) | 2006-08-18 | 2006-08-18 | 오일쿨러용 유압회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060078384A KR100790049B1 (ko) | 2006-08-18 | 2006-08-18 | 오일쿨러용 유압회로 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100790049B1 true KR100790049B1 (ko) | 2008-01-02 |
Family
ID=39216159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060078384A KR100790049B1 (ko) | 2006-08-18 | 2006-08-18 | 오일쿨러용 유압회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100790049B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017099267A1 (ko) * | 2015-12-08 | 2017-06-15 | 주식회사 두산 | 지게차의 제동장치용 냉각장치 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04151377A (ja) * | 1990-10-11 | 1992-05-25 | Toyoda Mach Works Ltd | パワーステアリング用オイル冷却装置 |
JPH0914215A (ja) * | 1995-06-27 | 1997-01-14 | Shin Caterpillar Mitsubishi Ltd | 冷却器を備えた油圧回路装置 |
JPH0925645A (ja) * | 1995-07-10 | 1997-01-28 | Shin Caterpillar Mitsubishi Ltd | 冷却器を備えた油圧回路装置 |
KR19980030127U (ko) * | 1996-11-29 | 1998-08-17 | 박병재 | 자동차의 동력조향장치용 오일냉각장치 |
JPH1182427A (ja) | 1997-09-09 | 1999-03-26 | Komatsu Ltd | 建設機械の油圧回路 |
JPH11321681A (ja) | 1998-05-14 | 1999-11-24 | Toyota Autom Loom Works Ltd | パワーステアリング |
KR20060000084A (ko) * | 2004-06-28 | 2006-01-06 | 현대자동차주식회사 | 동력 조향 시스템 |
-
2006
- 2006-08-18 KR KR1020060078384A patent/KR100790049B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04151377A (ja) * | 1990-10-11 | 1992-05-25 | Toyoda Mach Works Ltd | パワーステアリング用オイル冷却装置 |
JPH0914215A (ja) * | 1995-06-27 | 1997-01-14 | Shin Caterpillar Mitsubishi Ltd | 冷却器を備えた油圧回路装置 |
JPH0925645A (ja) * | 1995-07-10 | 1997-01-28 | Shin Caterpillar Mitsubishi Ltd | 冷却器を備えた油圧回路装置 |
KR19980030127U (ko) * | 1996-11-29 | 1998-08-17 | 박병재 | 자동차의 동력조향장치용 오일냉각장치 |
JPH1182427A (ja) | 1997-09-09 | 1999-03-26 | Komatsu Ltd | 建設機械の油圧回路 |
JPH11321681A (ja) | 1998-05-14 | 1999-11-24 | Toyota Autom Loom Works Ltd | パワーステアリング |
KR20060000084A (ko) * | 2004-06-28 | 2006-01-06 | 현대자동차주식회사 | 동력 조향 시스템 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017099267A1 (ko) * | 2015-12-08 | 2017-06-15 | 주식회사 두산 | 지게차의 제동장치용 냉각장치 |
US10850960B2 (en) | 2015-12-08 | 2020-12-01 | Doosan Corporation | Cooling device for forklift brake system |
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