GB1461658A – Hydraulic circuit
– Google Patents
GB1461658A – Hydraulic circuit
– Google Patents
Hydraulic circuit
Info
Publication number
GB1461658A
GB1461658A
GB2424274A
GB2424274A
GB1461658A
GB 1461658 A
GB1461658 A
GB 1461658A
GB 2424274 A
GB2424274 A
GB 2424274A
GB 2424274 A
GB2424274 A
GB 2424274A
GB 1461658 A
GB1461658 A
GB 1461658A
Authority
GB
United Kingdom
Prior art keywords
load circuit
sensor
pumps
hydraulic circuit
detected
Prior art date
1973-06-05
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.)
Expired
Application number
GB2424274A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Poclain SA
Original Assignee
Poclain SA
Priority date (The priority date 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 date listed.)
1973-06-05
Filing date
1974-05-31
Publication date
1977-01-19
1974-05-31
Application filed by Poclain SA
filed
Critical
Poclain SA
1977-01-19
Publication of GB1461658A
publication
Critical
patent/GB1461658A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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
F15B2211/00—Circuits for servomotor systems
F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
F15B2211/205—Systems with pumps
F15B2211/20576—Systems with pumps with multiple pumps
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
F15B2211/00—Circuits for servomotor systems
F15B2211/30—Directional control
F15B2211/32—Directional control characterised by the type of actuation
F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
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
F15B2211/00—Circuits for servomotor systems
F15B2211/60—Circuit components or control therefor
F15B2211/63—Electronic controllers
F15B2211/6303—Electronic controllers using input signals
F15B2211/632—Electronic controllers using input signals representing a flow rate
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
F15B2211/00—Circuits for servomotor systems
F15B2211/60—Circuit components or control therefor
F15B2211/665—Methods of control using electronic components
F15B2211/6652—Control of the pressure source, e.g. control of the swash plate angle
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
F15B2211/00—Circuits for servomotor systems
F15B2211/60—Circuit components or control therefor
F15B2211/665—Methods of control using electronic components
F15B2211/6654—Flow rate control
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
F15B2211/00—Circuits for servomotor systems
F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
F15B2211/76—Control of force or torque of the output member
Abstract
1461658 Automatic control POCLAIN 31 May 1974 [5 June 1973] 24242/74 Heading G3N A plurality of constant flow pumps 1, 2, 3, e.g. of different outputs, are driven by a common constant power motor M and supply a load circuit 4, e.g. in a civil engineering machine, electricallyoperated by-pass valves 5, 6, 7 in the pump delivery lines being automatically controlled by a logic circuit 10, in response to the load circuit pressure detected by a sensor 9, to connect selected pumps to the load circuit appropriate to the detected pressure at the sensor 9.
GB2424274A
1973-06-05
1974-05-31
Hydraulic circuit
Expired
GB1461658A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
FR7320411A
FR2232692B3
(en)
1973-06-05
1973-06-05
Publications (1)
Publication Number
Publication Date
GB1461658A
true
GB1461658A
(en)
1977-01-19
Family
ID=9120530
Family Applications (2)
Application Number
Title
Priority Date
Filing Date
GB2422974A
Expired
GB1461657A
(en)
1973-06-05
1974-05-31
Hydraulic circuit
GB2424274A
Expired
GB1461658A
(en)
1973-06-05
1974-05-31
Hydraulic circuit
Family Applications Before (1)
Application Number
Title
Priority Date
Filing Date
GB2422974A
Expired
GB1461657A
(en)
1973-06-05
1974-05-31
Hydraulic circuit
Country Status (8)
Country
Link
JP
(2)
JPS5022182A
(en)
BE
(2)
BE815647A
(en)
BR
(2)
BR7404588D0
(en)
DE
(2)
DE2426839A1
(en)
ES
(2)
ES426973A1
(en)
FR
(1)
FR2232692B3
(en)
GB
(2)
GB1461657A
(en)
IT
(2)
IT1017630B
(en)
Families Citing this family (8)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE3800964A1
(en)
*
1988-01-15
1989-07-27
Loewe Pumpenfabrik Gmbh
Pump system for operating pump installations comprising a plurality of pumps
JP2776882B2
(en)
*
1989-04-27
1998-07-16
株式会社ユニシアジェックス
Pump device
US5199854A
(en)
*
1990-08-08
1993-04-06
Nissan Motor Co., Ltd.
Hydraulic supply arrangement for use with active automotive suspension or the like
US5251442A
(en)
*
1991-10-24
1993-10-12
Roche Engineering Corporation
Fluid power regenerator
US5319932A
(en)
*
1993-04-28
1994-06-14
Roche Engineering Corporation
Power sensing regenerator
DE19930562A1
(en)
*
1999-07-02
2001-01-04
Still Gmbh
Hydraulic system for an industrial truck
US8690553B2
(en)
*
2008-02-04
2014-04-08
Illinois Tool Works Inc.
Service pack tandem pump
DE102011015903B4
(en)
2011-04-01
2021-12-16
Robert Bosch Gmbh
Pump arrangement
1973
1973-06-05
FR
FR7320411A
patent/FR2232692B3/fr
not_active
Expired
1974
1974-05-28
IT
IT2326874A
patent/IT1017630B/en
active
1974-05-28
IT
IT2326974A
patent/IT1012891B/en
active
1974-05-29
BE
BE2053648A
patent/BE815647A/en
unknown
1974-05-29
BE
BE2053649A
patent/BE815648A/en
unknown
1974-05-31
GB
GB2422974A
patent/GB1461657A/en
not_active
Expired
1974-05-31
GB
GB2424274A
patent/GB1461658A/en
not_active
Expired
1974-06-04
DE
DE19742426839
patent/DE2426839A1/en
active
Pending
1974-06-04
BR
BR458874A
patent/BR7404588D0/en
unknown
1974-06-04
BR
BR458774A
patent/BR7404587A/en
unknown
1974-06-04
ES
ES426973A
patent/ES426973A1/en
not_active
Expired
1974-06-04
ES
ES426974A
patent/ES426974A1/en
not_active
Expired
1974-06-04
DE
DE19742426904
patent/DE2426904A1/en
active
Pending
1974-06-05
JP
JP6301374A
patent/JPS5022182A/ja
active
Pending
1974-06-05
JP
JP6301274A
patent/JPS5022181A/ja
active
Pending
Also Published As
Publication number
Publication date
JPS5022181A
(en)
1975-03-10
BR7404587D0
(en)
1975-01-07
ES426973A1
(en)
1976-07-16
DE2426904A1
(en)
1975-01-02
BE815647A
(en)
1974-09-16
DE2426839A1
(en)
1975-01-09
BR7404588D0
(en)
1975-01-07
FR2232692A1
(en)
1975-01-03
BE815648A
(en)
1974-09-16
FR2232692B3
(en)
1976-07-23
ES426974A1
(en)
1976-07-16
IT1017630B
(en)
1977-08-10
BR7404587A
(en)
1976-02-10
IT1012891B
(en)
1977-03-10
GB1461657A
(en)
1977-01-19
JPS5022182A
(en)
1975-03-10
Similar Documents
Publication
Publication Date
Title
GB1500836A
(en)
1978-02-15
Fluid pressure control system for variable displacement pumps
JPH0359227A
(en)
1991-03-14
Pump discharge quantity control system for construction machine
GB1461658A
(en)
1977-01-19
Hydraulic circuit
ES413538A1
(en)
1976-01-16
Variable pressure hydraulic system
GB1330405A
(en)
1973-09-19
Power output regulator means for pumps
GB1406174A
(en)
1975-09-17
Hydraulic control system
GB1450874A
(en)
1976-09-29
Hydraulic system
GB1536071A
(en)
1978-12-20
Hydraulic control for variable displacement pumps
SE7510659L
(en)
1976-03-26
HYDRAULIC LOAD SENSITIVE, PRESSURE AND RIVER COMPENSATORY SYSTEM
GB1192657A
(en)
1970-05-20
Electric Control Circuit and Hydraulic System for Concrete Pumping Apparatus
IT1234937B
(en)
1992-06-02
ANTI-SATURATION SYSTEM FOR HYDRAULIC CONTROL CIRCUITS WITH PUMPS AND PRESSURE-CONTROLLED DISTRIBUTORS FOR WORKING PARTS OF EARTH-MOVING MACHINES
GB1408814A
(en)
1975-10-08
Control system for a hydrostartic transmission
GB1485686A
(en)
1977-09-14
Hydraulic system for a pipelayer
GB1393289A
(en)
1975-05-07
System for supplying a pumped liquid at graduated flow rates
GB1328846A
(en)
1973-09-05
Additive injection system
CA996841A
(en)
1976-09-14
Multiple hydraulic control circuits with pressure compensated flow control and a single variable delivery pump
GB1137347A
(en)
1968-12-18
Hydraulic drive system
GB1305116A
(en)
1973-01-31
GB1309518A
(en)
1973-03-14
Hydrostatic bearings
GB1324860A
(en)
1973-07-25
Control system for hydraulic motor
GB1375840A
(en)
1974-11-27
GB1314067A
(en)
1973-04-18
Fluid bearings
GB1418266A
(en)
1975-12-17
Pump unloading circuit
GB1390990A
(en)
1975-04-16
Device for dividing a fluid flow into predetermined proportions
GB1131121A
(en)
1968-10-23
Hydraulic motor control
Legal Events
Date
Code
Title
Description
1977-06-01
PS
Patent sealed
1980-09-10
746
Register noted ‘licences of right’ (sect. 46/1977)
1982-12-30
PCNP
Patent ceased through non-payment of renewal fee
