JPS57157807A - Viscosity compensating control circuit - Google Patents
Viscosity compensating control circuitInfo
- Publication number
- JPS57157807A JPS57157807A JP57031867A JP3186782A JPS57157807A JP S57157807 A JPS57157807 A JP S57157807A JP 57031867 A JP57031867 A JP 57031867A JP 3186782 A JP3186782 A JP 3186782A JP S57157807 A JPS57157807 A JP S57157807A
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- compensating control
- viscosity compensating
- viscosity
- circuit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/045—Compensating for variations in viscosity or temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/241,160 US4426194A (en) | 1981-03-06 | 1981-03-06 | Viscosity compensating circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57157807A true JPS57157807A (en) | 1982-09-29 |
Family
ID=22909495
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57031867A Pending JPS57157807A (en) | 1981-03-06 | 1982-03-02 | Viscosity compensating control circuit |
Country Status (6)
Country | Link |
---|---|
US (1) | US4426194A (ja) |
JP (1) | JPS57157807A (ja) |
CA (1) | CA1172547A (ja) |
DE (1) | DE3207812A1 (ja) |
FR (1) | FR2501308A1 (ja) |
GB (2) | GB2094511B (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2570521B1 (fr) * | 1984-09-18 | 1987-12-11 | Renault | Dispositif de regulation a deux domaines de pression |
JPS61136047A (ja) * | 1984-12-04 | 1986-06-23 | Nissan Motor Co Ltd | 調圧バルブ |
US4813446A (en) * | 1987-04-06 | 1989-03-21 | Pall Corporation | Automatic pressurized reservoir bleed valve |
DE3733740A1 (de) * | 1987-10-06 | 1989-04-20 | Danfoss As | Daempfungsanordnung zur schwingungsdaempfung von mit druckfluessigkeit gesteuerten ventilen |
US4951466A (en) * | 1989-06-12 | 1990-08-28 | General Electric Company | Warm-up control for transmission hydrostatic unit |
JPH07122276B2 (ja) * | 1989-07-07 | 1995-12-25 | 油谷重工株式会社 | 建設機械の油圧ポンプ制御回路 |
FI87918C (fi) * | 1989-12-19 | 1993-03-10 | Kone Oy | Styrventil foer en hydraulisk hiss |
FI87917C (fi) * | 1989-12-19 | 1993-03-10 | Kone Oy | Styrventil foer en hydraulisk hiss |
US5077972A (en) * | 1990-07-03 | 1992-01-07 | Caterpillar Inc. | Load pressure duplicating circuit |
DE4107977C2 (de) * | 1991-03-13 | 1999-05-12 | Bosch Gmbh Robert | Einrichtung zur Regelung der Fördermenge einer hydrostatischen Pumpe |
WO1993018308A1 (en) * | 1992-03-09 | 1993-09-16 | Hitachi Construction Machinery Co., Ltd. | Hydraulically driving system |
US5305793A (en) * | 1992-09-16 | 1994-04-26 | Pall Corporation | Automatic pressurized reservoir bleed valve |
US5762134A (en) * | 1996-02-20 | 1998-06-09 | Ford Global Technologies, Inc. | Hydraulic temperature compensated cooler bypass control for an automatic transmission |
US5890509A (en) * | 1997-03-31 | 1999-04-06 | Ford Global Technologies, Inc. | Hydraulic temperature compensated cooler bypass control for an automatic transmission |
US6453668B1 (en) * | 2000-07-12 | 2002-09-24 | Deere & Company | Transmission with cold start valve |
US6477836B1 (en) | 2000-10-26 | 2002-11-12 | Caterpillar Inc. | Pilot control system |
KR100641397B1 (ko) * | 2005-09-15 | 2006-11-01 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 유압제어시스템 |
JP6303994B2 (ja) * | 2014-11-28 | 2018-04-04 | 株式会社デンソー | 車両の油圧供給装置 |
CA3039286A1 (en) | 2018-04-06 | 2019-10-06 | The Raymond Corporation | Systems and methods for efficient hydraulic pump operation in a hydraulic system |
JP7500535B2 (ja) * | 2021-12-28 | 2024-06-17 | 株式会社クボタ | 作業機の油圧システム |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB628843A (en) * | 1947-02-03 | 1949-09-06 | James Anderson | Improvements in and relating to machine tools and other machines having an hydraulicfeed |
GB1379587A (en) * | 1970-12-17 | 1975-01-02 | Bowles Fluidics Corp | Air motor speed control |
GB1451773A (en) * | 1973-10-25 | 1976-10-06 | Caterpillar Tractor Co | Hydraulic control system |
-
1981
- 1981-03-06 US US06/241,160 patent/US4426194A/en not_active Expired - Fee Related
-
1982
- 1982-01-13 CA CA000394065A patent/CA1172547A/en not_active Expired
- 1982-01-26 GB GB8202079A patent/GB2094511B/en not_active Expired
- 1982-01-28 FR FR8201324A patent/FR2501308A1/fr active Granted
- 1982-03-02 JP JP57031867A patent/JPS57157807A/ja active Pending
- 1982-03-04 DE DE19823207812 patent/DE3207812A1/de not_active Withdrawn
-
1983
- 1983-08-24 GB GB08322748A patent/GB2123988B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2501308A1 (fr) | 1982-09-10 |
DE3207812A1 (de) | 1982-09-16 |
GB2094511A (en) | 1982-09-15 |
GB8322748D0 (en) | 1983-09-28 |
GB2123988B (en) | 1985-05-22 |
US4426194A (en) | 1984-01-17 |
CA1172547A (en) | 1984-08-14 |
FR2501308B1 (ja) | 1985-04-26 |
GB2094511B (en) | 1985-05-30 |
GB2123988A (en) | 1984-02-08 |
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