DE3207812A1 - Viskositaets-kompensationsanordnung - Google Patents
Viskositaets-kompensationsanordnungInfo
- Publication number
- DE3207812A1 DE3207812A1 DE19823207812 DE3207812A DE3207812A1 DE 3207812 A1 DE3207812 A1 DE 3207812A1 DE 19823207812 DE19823207812 DE 19823207812 DE 3207812 A DE3207812 A DE 3207812A DE 3207812 A1 DE3207812 A1 DE 3207812A1
- Authority
- DE
- Germany
- Prior art keywords
- control
- pump
- flow
- line
- viscosity
- 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.)
- Withdrawn
Links
- 239000012530 fluid Substances 0.000 claims description 109
- 238000006073 displacement reaction Methods 0.000 claims description 61
- 238000011144 upstream manufacturing Methods 0.000 claims description 13
- 230000007423 decrease Effects 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000002411 adverse Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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 |
|---|---|
| DE3207812A1 true DE3207812A1 (de) | 1982-09-16 |
Family
ID=22909495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823207812 Withdrawn DE3207812A1 (de) | 1981-03-06 | 1982-03-04 | Viskositaets-kompensationsanordnung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4426194A (enExample) |
| JP (1) | JPS57157807A (enExample) |
| CA (1) | CA1172547A (enExample) |
| DE (1) | DE3207812A1 (enExample) |
| FR (1) | FR2501308A1 (enExample) |
| GB (2) | GB2094511B (enExample) |
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 |
| DE69306738T2 (de) * | 1992-03-09 | 1997-04-03 | Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo | Hydraulisches antriebsystem |
| 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 (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2005731A (en) | 1930-06-16 | 1935-06-25 | Cincinnati Milling Machine Co | Viscosity compensating system |
| US2238061A (en) | 1938-05-12 | 1941-04-15 | Manly Corp | Fluid pressure system and control therefor |
| US2297408A (en) | 1938-11-04 | 1942-09-29 | Hardebeck Carl | Fluid meter |
| GB628843A (en) * | 1947-02-03 | 1949-09-06 | James Anderson | Improvements in and relating to machine tools and other machines having an hydraulicfeed |
| US3556160A (en) | 1968-01-26 | 1971-01-19 | Cummins Engine Co Inc | Multifuel compensator |
| US3687160A (en) | 1970-10-21 | 1972-08-29 | Caterpillar Tractor Co | Thermal compensator valve for differential pressure devices |
| GB1379587A (en) * | 1970-12-17 | 1975-01-02 | Bowles Fluidics Corp | Air motor speed control |
| DE2331282C3 (de) | 1973-06-15 | 1978-04-20 | Aeg-Kanis Turbinenfabrik Gmbh, 8500 Nuernberg | Einrichtung zur Drehzahlregelung |
| US3820920A (en) | 1972-12-18 | 1974-06-28 | Sperry Rand Corp | Power transmission |
| GB1451773A (en) * | 1973-10-25 | 1976-10-06 | Caterpillar Tractor Co | Hydraulic control system |
| US4032259A (en) | 1976-01-08 | 1977-06-28 | E. I. Du Pont De Nemours And Company | Method and apparatus for measuring fluid flow in small bore conduits |
| DE2701302C2 (de) | 1977-01-14 | 1982-06-24 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Automotive Steuerung für einen hydrostatischen Fahrantrieb |
| DE2840687A1 (de) | 1978-09-19 | 1980-04-03 | Bosch Gmbh Robert | Einrichtung zur regelung des foerderstroms und zur begrenzung des foerderdrucks einer verstellbaren pumpe. |
-
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 |
|---|---|
| GB2123988A (en) | 1984-02-08 |
| CA1172547A (en) | 1984-08-14 |
| GB2094511A (en) | 1982-09-15 |
| JPS57157807A (en) | 1982-09-29 |
| FR2501308B1 (enExample) | 1985-04-26 |
| GB2123988B (en) | 1985-05-22 |
| GB8322748D0 (en) | 1983-09-28 |
| GB2094511B (en) | 1985-05-30 |
| US4426194A (en) | 1984-01-17 |
| FR2501308A1 (fr) | 1982-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |