JPS504601A - - Google Patents
Info
- Publication number
- JPS504601A JPS504601A JP48080226A JP8022673A JPS504601A JP S504601 A JPS504601 A JP S504601A JP 48080226 A JP48080226 A JP 48080226A JP 8022673 A JP8022673 A JP 8022673A JP S504601 A JPS504601 A JP S504601A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/002—Hydraulic systems to change the pump delivery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Fluid Gearings (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00272408A US3841795A (en) | 1972-07-17 | 1972-07-17 | Combined engine speed and pressure responsive control for variable displacement pumps |
US272408 | 1988-11-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS504601A true JPS504601A (de) | 1975-01-18 |
JPS5918558B2 JPS5918558B2 (ja) | 1984-04-27 |
Family
ID=23039671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP48080226A Expired JPS5918558B2 (ja) | 1972-07-17 | 1973-07-16 | 原動機によって駆動される複数の可変容量ポンプと組み合わされた制御装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3841795A (de) |
JP (1) | JPS5918558B2 (de) |
BE (1) | BE802395A (de) |
BR (1) | BR7305193D0 (de) |
DE (1) | DE2336430C2 (de) |
FR (1) | FR2193424A5 (de) |
GB (1) | GB1436613A (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5079001U (de) * | 1973-11-19 | 1975-07-08 | ||
JPS5888480A (ja) * | 1981-11-21 | 1983-05-26 | Hitachi Constr Mach Co Ltd | 原動機で駆動される油圧ポンプの入力制御装置 |
JPH02147790A (ja) * | 1988-11-30 | 1990-06-06 | Ishikawajima Harima Heavy Ind Co Ltd | 石油掘削などのライザパイプの格納装置 |
JPH02163481A (ja) * | 1988-12-16 | 1990-06-22 | Daikin Ind Ltd | 可変容量形液圧装置 |
DE3049938C2 (de) * | 1979-10-15 | 1990-12-06 | Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo, Jp |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2247112A5 (de) * | 1973-10-03 | 1975-05-02 | Poclain Sa | |
US3868821A (en) * | 1974-03-20 | 1975-03-04 | Tyrone Hydraulics | Automatic pump control system |
JPS59713B2 (ja) * | 1974-04-08 | 1984-01-07 | 三菱重工業株式会社 | ユアツポンプノ リユウリヨウセイギヨソウチ |
US3985472A (en) * | 1975-04-23 | 1976-10-12 | International Harvester Company | Combined fixed and variable displacement pump system |
US3963378A (en) * | 1975-06-04 | 1976-06-15 | Caterpillar Tractor Co. | Part throttle control -- pump override |
US4008004A (en) * | 1975-12-22 | 1977-02-15 | Abex Corporation | Control system for variable displacement pumps |
US4029439A (en) * | 1975-12-22 | 1977-06-14 | Abex Corporation | Control system for variable displacement pumps |
DE2603563C2 (de) * | 1976-01-30 | 1986-02-20 | Linde Ag, 6200 Wiesbaden | Steuereinrichtung für ein aus mindestens zwei Pumpen bestehendes Pumpen-Aggregat |
US4017218A (en) * | 1976-03-15 | 1977-04-12 | Caterpillar Tractor Co. | Dual-speed setting underspeed system |
US4055046A (en) * | 1976-12-22 | 1977-10-25 | Caterpillar Tractor Co. | Control system having override for fluid operated work elements |
US4065228A (en) * | 1977-02-24 | 1977-12-27 | Caterpillar Tractor Co. | Hydraulic control for variable displacement pumps |
US4080979A (en) * | 1977-03-22 | 1978-03-28 | Caterpillar Tractor Co. | Combined summing and underspeed valve |
DE2813486C2 (de) * | 1977-03-31 | 1986-06-26 | Kabushiki Kaisha Komatsu Seisakusho, Tokio/Tokyo | Steuervorrichtung für Hydraulikpumpen |
US4123907A (en) * | 1977-04-19 | 1978-11-07 | Caterpillar Tractor Co. | Hydraulic system having selective simultaneous pressure and flow control |
US4240457A (en) * | 1978-03-15 | 1980-12-23 | Caterpillar Tractor Co. | Variable flow control valve for steering systems of articulated vehicles |
JPS5543245A (en) * | 1978-09-22 | 1980-03-27 | Komatsu Ltd | Volume controller of variable hydraulic pump |
JPS5543246A (en) * | 1978-09-22 | 1980-03-27 | Komatsu Ltd | Volume controller of variable hydraulic pump |
JPS5569782A (en) * | 1978-11-20 | 1980-05-26 | Japan Steel Works Ltd:The | Output-power controller for pumps |
AU543263B2 (en) * | 1980-04-08 | 1985-04-18 | Minnesota Mining And Manufacturing Company | F.t.r. automatic track follower system |
DE3024399A1 (de) * | 1980-06-28 | 1982-01-21 | Linde Ag, 6200 Wiesbaden | Regeleinrichtung fuer ein aggregat aus mehreren, von einer gemeinsamen primaerenergiequelle angetriebenen pumpe |
JPS57197336A (en) * | 1981-05-29 | 1982-12-03 | Komatsu Ltd | Oil-pressure circuit for turning excavator |
US4498847A (en) * | 1982-06-29 | 1985-02-12 | Kabushiki Kaisha Komatsu Seisakusho | Control system for variable displacement hydraulic pumps |
US4613286A (en) * | 1984-12-31 | 1986-09-23 | Kabushiki Kaisha Komatsu Seisakusho | Constant torque control system for a variable displacement pump or pumps |
US5468126A (en) * | 1993-12-23 | 1995-11-21 | Caterpillar Inc. | Hydraulic power control system |
US5525043A (en) * | 1993-12-23 | 1996-06-11 | Caterpillar Inc. | Hydraulic power control system |
EP2002129A4 (de) * | 2006-03-13 | 2011-08-03 | Volvo Constr Equip Ab | Anordnung und verfahren zum fördern von hydraulikfluid in einem arbeitsfahrzeug |
US7549287B2 (en) | 2007-09-14 | 2009-06-23 | Cnh America Llc | Hydrostatic auto/manual speed control |
US8326499B2 (en) * | 2008-12-02 | 2012-12-04 | Caterpillar Inc. | Retarding control of a machine through power dissipation through power source and parasitic loads |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3543508A (en) * | 1968-10-16 | 1970-12-01 | Hyster Co | Hydrostatic transmission with pressure control |
GB1293931A (en) * | 1969-02-18 | 1972-10-25 | Dowty Hydraulic Units Ltd | Hydraulic apparatus |
DE1910914A1 (de) * | 1969-03-04 | 1971-04-22 | Brueninghaus Hydraulik Gmbh | Leistungsregeleinrichtung fuer Axialkolbenpumpen |
CH508498A (de) * | 1969-04-24 | 1971-06-15 | Bosch Gmbh Robert | Regelvorrichtung für einen hydrostatischen Fahrzeugantrieb |
DE1933951C3 (de) * | 1969-07-04 | 1974-08-29 | Hydromatik Gmbh, 7900 Ulm | Regelvorrichtung für die Begrenzung der Summe der abgenommenen Leistung zweier oder mehrerer verstellbarer Hydropumpen |
ZA704229B (en) * | 1969-10-06 | 1971-03-31 | Elektrohydraulische Anlagen An | A hydraulic system |
DE2001701C3 (de) * | 1970-01-15 | 1979-04-05 | Linde Ag, 6200 Wiesbaden | Stelleinrichtung für die Fernsteuerung eines stufenlos einstellbaren hydrostatischen Getriebes |
DE2100112A1 (de) * | 1970-02-23 | 1971-09-09 | VEB Kombinat Orsta-Hydraulik Betrieb Industriewerke Karl-Marx-Stadt, χ 9030 Karl-Marx-Stadt | Druckregeleinrichtung |
NO124443B (de) * | 1970-04-22 | 1972-04-17 | Ingebret Soeyland |
-
1972
- 1972-07-17 US US00272408A patent/US3841795A/en not_active Expired - Lifetime
-
1973
- 1973-07-12 BR BR5193/73A patent/BR7305193D0/pt unknown
- 1973-07-13 DE DE2336430A patent/DE2336430C2/de not_active Expired
- 1973-07-13 GB GB3357773A patent/GB1436613A/en not_active Expired
- 1973-07-16 JP JP48080226A patent/JPS5918558B2/ja not_active Expired
- 1973-07-16 BE BE133523A patent/BE802395A/xx not_active IP Right Cessation
- 1973-07-17 FR FR7326144A patent/FR2193424A5/fr not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5079001U (de) * | 1973-11-19 | 1975-07-08 | ||
JPS57227Y2 (de) * | 1973-11-19 | 1982-01-05 | ||
DE3049938C2 (de) * | 1979-10-15 | 1990-12-06 | Hitachi Construction Machinery Co., Ltd., Tokio/Tokyo, Jp | |
JPS5888480A (ja) * | 1981-11-21 | 1983-05-26 | Hitachi Constr Mach Co Ltd | 原動機で駆動される油圧ポンプの入力制御装置 |
JPS6212398B2 (de) * | 1981-11-21 | 1987-03-18 | Hitachi Construction Machinery | |
JPH02147790A (ja) * | 1988-11-30 | 1990-06-06 | Ishikawajima Harima Heavy Ind Co Ltd | 石油掘削などのライザパイプの格納装置 |
JP2699491B2 (ja) * | 1988-11-30 | 1998-01-19 | 石川島播磨重工業株式会社 | 石油掘削などのライザパイプの格納装置 |
JPH02163481A (ja) * | 1988-12-16 | 1990-06-22 | Daikin Ind Ltd | 可変容量形液圧装置 |
Also Published As
Publication number | Publication date |
---|---|
BE802395A (fr) | 1974-01-16 |
US3841795A (en) | 1974-10-15 |
BR7305193D0 (pt) | 1974-08-15 |
DE2336430C2 (de) | 1986-05-22 |
GB1436613A (en) | 1976-05-19 |
JPS5918558B2 (ja) | 1984-04-27 |
DE2336430A1 (de) | 1974-01-31 |
FR2193424A5 (de) | 1974-02-15 |