SG10201407714PA - Hydraulic fluid pressure control - Google Patents

Hydraulic fluid pressure control

Info

Publication number
SG10201407714PA
SG10201407714PA SG10201407714PA SG10201407714PA SG10201407714PA SG 10201407714P A SG10201407714P A SG 10201407714PA SG 10201407714P A SG10201407714P A SG 10201407714PA SG 10201407714P A SG10201407714P A SG 10201407714PA SG 10201407714P A SG10201407714P A SG 10201407714PA
Authority
SG
Singapore
Prior art keywords
fluid pressure
hydraulic fluid
pressure control
hydraulic
control
Prior art date
Application number
SG10201407714PA
Inventor
Tim James Roberts
Original Assignee
Ge Oil & Gas Uk Ltd
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.)
Filing date
Publication date
Application filed by Ge Oil & Gas Uk Ltd filed Critical Ge Oil & Gas Uk Ltd
Publication of SG10201407714PA publication Critical patent/SG10201407714PA/en

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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
    • 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
    • F04B49/06—Control using electricity
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • 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
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • 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
    • F04B49/08—Regulating by delivery pressure
    • 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
    • F04B49/20—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 by changing the driving speed
    • 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
    • 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
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • 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
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0204—Frequency of the electric current
    • 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
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet
    • 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
    • F15B2211/50—Pressure control
    • F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
SG10201407714PA 2013-11-19 2014-11-18 Hydraulic fluid pressure control SG10201407714PA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1320403.7A GB2520349A (en) 2013-11-19 2013-11-19 Hydraulic fluid pressure control

Publications (1)

Publication Number Publication Date
SG10201407714PA true SG10201407714PA (en) 2015-06-29

Family

ID=49883843

Family Applications (1)

Application Number Title Priority Date Filing Date
SG10201407714PA SG10201407714PA (en) 2013-11-19 2014-11-18 Hydraulic fluid pressure control

Country Status (7)

Country Link
US (1) US20150139816A1 (en)
EP (1) EP2886867A3 (en)
CN (1) CN104819175A (en)
AU (1) AU2014265046A1 (en)
BR (1) BR102014028874A2 (en)
GB (1) GB2520349A (en)
SG (1) SG10201407714PA (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106015143A (en) * 2016-07-15 2016-10-12 第拖拉机股份有限公司 Front power output electro-hydraulic control valve of tractor
CA3006944C (en) * 2017-06-01 2020-10-27 Edward W. Jackson Service module for troubleshooting pumping unit
CN110425186B (en) * 2019-08-06 2020-06-26 南通锻压设备如皋有限公司 Speed-pressure composite control method for rotary forging hydraulic press

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3759143A (en) * 1971-05-06 1973-09-18 Allis Chalmers Mfg Co Fluid control system for earthworking apparatus including automatic pressure regulating means
US4076457A (en) * 1976-09-17 1978-02-28 Standard Oil Company (Indiana) Downhole pump speed control
US5141402A (en) * 1991-01-29 1992-08-25 Vickers, Incorporated Power transmission
US5668457A (en) * 1995-06-30 1997-09-16 Martin Marietta Corporation Variable-frequency AC induction motor controller
DE102008019501B4 (en) * 2008-04-17 2019-03-21 Robert Bosch Gmbh Electrohydraulic control arrangement
AU2009274068B2 (en) * 2008-07-22 2013-07-25 Eaton Corporation Valvetrain oil control system and oil control valve

Also Published As

Publication number Publication date
GB201320403D0 (en) 2014-01-01
EP2886867A2 (en) 2015-06-24
US20150139816A1 (en) 2015-05-21
GB2520349A (en) 2015-05-20
BR102014028874A2 (en) 2017-03-21
EP2886867A3 (en) 2015-11-11
AU2014265046A1 (en) 2015-06-04
CN104819175A (en) 2015-08-05

Similar Documents

Publication Publication Date Title
GB201322103D0 (en) Fluid pump
EP2949949A4 (en) Fluid pressure control device
EP2918852A4 (en) Hydraulic pressure control device for machinery
EP2833039A4 (en) Fluid pressure control device
EP2916011A4 (en) Hydraulic pressure control device
EP2929980A4 (en) Fluid pressure cylinder
ZA201505421B (en) Pilot pressure control system
GB201322738D0 (en) Hydraulic coupling seal
EP2778435A4 (en) Fluid pressure control device
SG11201503990PA (en) Fluid control valves
PL3462067T3 (en) Differential pressure valve
EP3006739A4 (en) Fluid pump
EP3081819A4 (en) Fluid pressure control device
SG11201601497PA (en) Hydraulic fluid compositions
GB201419777D0 (en) Hydraulic pressure supply system
PL3039293T3 (en) A fluid cylinder
GB2517966B (en) Variable flow hydraulic machine
EP3015608A4 (en) Hydraulic pressure control device for construction machinery
EP2969614A4 (en) Pressure relief valve
EP3086009A4 (en) Fluid control valve
EP2944828A4 (en) Energy-recycling hydraulic control main valve
EP2979938A4 (en) Vehicle brake fluid pressure control device
SG10201407714PA (en) Hydraulic fluid pressure control
ZA201507524B (en) Fluid valve
EP2979940A4 (en) Vehicle brake fluid pressure control device