FR2336573A1 - Dispositif de commande hydraulique pour un ensemble de pompes a cylindree variable entrainees par un moteur primaire - Google Patents
Dispositif de commande hydraulique pour un ensemble de pompes a cylindree variable entrainees par un moteur primaireInfo
- Publication number
- FR2336573A1 FR2336573A1 FR7635094A FR7635094A FR2336573A1 FR 2336573 A1 FR2336573 A1 FR 2336573A1 FR 7635094 A FR7635094 A FR 7635094A FR 7635094 A FR7635094 A FR 7635094A FR 2336573 A1 FR2336573 A1 FR 2336573A1
- Authority
- FR
- France
- Prior art keywords
- control device
- hydraulic control
- primary motor
- variable cylinder
- pumps driven
- 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.)
- 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
- F04B49/007—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
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
- F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Control Of Fluid Gearings (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/642,868 US4029439A (en) | 1975-12-22 | 1975-12-22 | Control system for variable displacement pumps |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2336573A1 true FR2336573A1 (fr) | 1977-07-22 |
FR2336573B1 FR2336573B1 (fr) | 1982-06-04 |
Family
ID=24578376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7635094A Granted FR2336573A1 (fr) | 1975-12-22 | 1976-11-22 | Dispositif de commande hydraulique pour un ensemble de pompes a cylindree variable entrainees par un moteur primaire |
Country Status (6)
Country | Link |
---|---|
US (1) | US4029439A (fr) |
JP (1) | JPS5280501A (fr) |
CA (1) | CA1059370A (fr) |
DE (1) | DE2658240C2 (fr) |
FR (1) | FR2336573A1 (fr) |
GB (1) | GB1544948A (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE435750B (sv) * | 1979-06-15 | 1984-10-15 | Akermans Verkstad Ab | Anordning for begrensning av fran ett hydraulaggregat uttagen effekt |
US4455124A (en) * | 1982-12-20 | 1984-06-19 | Abex Corporation | Automatic pressure setting adjustment for a pressure compensated pump |
DE3528096A1 (de) * | 1985-08-06 | 1987-02-19 | Rexroth Mannesmann Gmbh | Steuereinrichtung fuer ein antriebssystem mit eingepraegtem druck |
US4741159A (en) * | 1986-04-08 | 1988-05-03 | Vickers, Incorporated | Power transmission |
US5540050A (en) * | 1994-03-01 | 1996-07-30 | Caterpillar Inc. | Hydraulic system providing a positive actuator force |
US7870915B2 (en) * | 2006-11-28 | 2011-01-18 | Illinois Tool Works Inc. | Auxiliary service pack for a work vehicle |
US8261717B2 (en) * | 2008-02-04 | 2012-09-11 | Illinois Tool Works Inc. | Service pack power management |
US8257056B2 (en) * | 2008-02-04 | 2012-09-04 | Illinois Took Works Inc. | Service pack variable displacement pump |
US8690553B2 (en) * | 2008-02-04 | 2014-04-08 | Illinois Tool Works Inc. | Service pack tandem pump |
US20090218173A1 (en) * | 2008-02-29 | 2009-09-03 | Illinois Tool Works Inc. | Aerial Work Platform with Compact Air Compressor |
US20090218327A1 (en) * | 2008-02-29 | 2009-09-03 | Illinois Tool Works Inc. | Hydraulically driven tool system |
AU2009353980B2 (en) * | 2009-10-12 | 2014-07-10 | Deere And Company | Load sense hydraulic pump alignment |
DE102012001369B4 (de) * | 2012-01-25 | 2021-12-16 | Robert Bosch Gmbh | Verstellbare Hydropumpe |
DE102021205359A1 (de) * | 2021-05-26 | 2022-12-01 | Danfoss Power Solutions Gmbh & Co. Ohg | Neutraleinstellvorrichtung für eine einstellbare Hydraulikeinheit |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2039401A1 (fr) * | 1969-04-23 | 1971-01-15 | Pensa Carlo | |
FR2057401A5 (fr) * | 1969-08-18 | 1971-05-21 | Lucas Industries Ltd | |
FR2206450A1 (fr) * | 1972-11-14 | 1974-06-07 | Abex Corp | |
FR2215102A5 (fr) * | 1973-01-22 | 1974-08-19 | Caterpillar Tractor Co | |
US3841795A (en) * | 1972-07-17 | 1974-10-15 | Caterpillar Tractor Co | Combined engine speed and pressure responsive control for variable displacement pumps |
FR2250389A5 (en) * | 1973-11-02 | 1975-05-30 | Caterpillar Tractor Co | Variable displacement pump hydraulic drive system - has automatic hydraulic control device to adjust pump displacement as function of motor speed |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1256024B (de) * | 1958-12-02 | 1967-12-07 | Dowty Hydraulic Units Ltd | Steuergeraet fuer ein aus einer Kraftmaschine und einem hydrostatischen Getriebe gebildetes Antriebsaggregat |
US3504493A (en) * | 1968-08-16 | 1970-04-07 | Gen Motors Corp | Hydraulic unit and control linkage with overload control |
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 |
SE369948B (fr) * | 1969-12-03 | 1974-09-23 | I Soeyland | |
DE2004268A1 (de) * | 1970-01-30 | 1971-08-05 | Hitachi Ltd | Einrichtung zur Steuerung von Pumpen fur den Betrieb hydraulischer Anlagen |
BE794115A (fr) * | 1971-03-24 | 1973-05-16 | Caterpillar Tractor Co | Dispositif de valve sommatrice |
US3856436A (en) * | 1972-12-18 | 1974-12-24 | Sperry Rand Corp | Power transmission |
DE2331617A1 (de) * | 1973-06-22 | 1975-01-16 | Bosch Gmbh Robert | Regeleinrichtung fuer hydropumpen |
US3908519A (en) * | 1974-10-16 | 1975-09-30 | Abex Corp | Control systems for a variable displacement pump |
US3963378A (en) * | 1975-06-04 | 1976-06-15 | Caterpillar Tractor Co. | Part throttle control -- pump override |
-
1975
- 1975-12-22 US US05/642,868 patent/US4029439A/en not_active Expired - Lifetime
-
1976
- 1976-10-11 GB GB42240/76A patent/GB1544948A/en not_active Expired
- 1976-10-12 CA CA263,125A patent/CA1059370A/fr not_active Expired
- 1976-11-02 JP JP51132262A patent/JPS5280501A/ja active Pending
- 1976-11-22 FR FR7635094A patent/FR2336573A1/fr active Granted
- 1976-12-22 DE DE2658240A patent/DE2658240C2/de not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2039401A1 (fr) * | 1969-04-23 | 1971-01-15 | Pensa Carlo | |
FR2057401A5 (fr) * | 1969-08-18 | 1971-05-21 | Lucas Industries Ltd | |
US3841795A (en) * | 1972-07-17 | 1974-10-15 | Caterpillar Tractor Co | Combined engine speed and pressure responsive control for variable displacement pumps |
FR2206450A1 (fr) * | 1972-11-14 | 1974-06-07 | Abex Corp | |
FR2215102A5 (fr) * | 1973-01-22 | 1974-08-19 | Caterpillar Tractor Co | |
FR2250389A5 (en) * | 1973-11-02 | 1975-05-30 | Caterpillar Tractor Co | Variable displacement pump hydraulic drive system - has automatic hydraulic control device to adjust pump displacement as function of motor speed |
Also Published As
Publication number | Publication date |
---|---|
GB1544948A (en) | 1979-04-25 |
DE2658240A1 (de) | 1977-07-07 |
US4029439A (en) | 1977-06-14 |
FR2336573B1 (fr) | 1982-06-04 |
CA1059370A (fr) | 1979-07-31 |
DE2658240C2 (de) | 1987-01-29 |
JPS5280501A (en) | 1977-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2336573A1 (fr) | Dispositif de commande hydraulique pour un ensemble de pompes a cylindree variable entrainees par un moteur primaire | |
IT1091275B (it) | Dispositivo di comando per innesti a frizione di autoveicoli azionati da un cilindro idraulico di posizionamento | |
FR2311969A1 (fr) | Installation de commande pour variateur hydraulique | |
FR2308802A1 (fr) | Systeme de commande de moteur | |
FR1456078A (fr) | Dispositif d'actionnement d'un arbre récepteur par une pompe hydraulique volumétrique | |
BE810379A (fr) | Dispositif de commande hydraulique | |
FR2313579A1 (fr) | Regulateur pour un systeme hydraulique | |
FR2283998A1 (fr) | Vibrateur a commande hydraulique | |
BE810378A (fr) | Dispositif de commande hydraulique | |
BE830706A (fr) | Circuit de commande d'un moteur hydraulique a double effet | |
FR2288251A1 (fr) | Dispositif de commande des balanciers d'un moteur | |
FR2290083A1 (fr) | Installation de commande d'entrainement a moteurs distincts | |
DK149556C (da) | Styreindretning for en hydraulisk motor | |
BE879130A (fr) | Dispositif anti-friction pour arbre de commande de vanne | |
FR2296779A1 (fr) | Dispositif de regulation pour une pompe | |
BE818565A (fr) | Systeme de commande compact pour moteur a fluide avec position de flottement | |
GB1490556A (en) | Apparatus for automatic speed control of a diesel engine | |
BE811789A (fr) | Dispositif de commande pour verin a controle fluidique | |
BE835633A (fr) | Dispositif de commande pour machine hydraulique | |
FR2314374A1 (fr) | Circuit de commande de moteur pour obtenir une fonction de commande programmee | |
FR2339759A1 (fr) | Dispositif de commande pour un ensemble de pompes | |
BE819392A (fr) | Appareil de telecommande des cylindres moteurs d'une grue a commande hydraulique | |
FR2334842A1 (fr) | Dispositif de commande motrice pour appareil doseur a deux pompes | |
BE807178A (fr) | Dispositif de commande pour moteur a pistons | |
FR2286301A1 (fr) | Dispositif de reglage pour pistons de travail a fonctionnement hydraulique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |