GB1392404A - Hydraulic systems including an electric motor driven pump - Google Patents

Hydraulic systems including an electric motor driven pump

Info

Publication number
GB1392404A
GB1392404A GB771973A GB771973A GB1392404A GB 1392404 A GB1392404 A GB 1392404A GB 771973 A GB771973 A GB 771973A GB 771973 A GB771973 A GB 771973A GB 1392404 A GB1392404 A GB 1392404A
Authority
GB
United Kingdom
Prior art keywords
motor
valve
pressure
piston
energize
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.)
Expired
Application number
GB771973A
Other languages
English (en)
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.)
Parker Hannifin Corp
Original Assignee
Parker Hannifin Corp
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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Publication of GB1392404A publication Critical patent/GB1392404A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16Control arrangements for fluid-driven presses
    • B30B15/166Electrical control arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, 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
    • F04B49/06Control using electricity
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00Power plants
    • Y10S60/911Fluid motor system incorporating electrical system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
GB771973A 1972-03-20 1973-02-16 Hydraulic systems including an electric motor driven pump Expired GB1392404A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23639272A 1972-03-20 1972-03-20

Publications (1)

Publication Number Publication Date
GB1392404A true GB1392404A (en) 1975-04-30

Family

ID=22889301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB771973A Expired GB1392404A (en) 1972-03-20 1973-02-16 Hydraulic systems including an electric motor driven pump

Country Status (7)

Country Link
US (1) US3788076A (enrdf_load_stackoverflow)
AU (1) AU5262173A (enrdf_load_stackoverflow)
CA (1) CA969835A (enrdf_load_stackoverflow)
DE (1) DE2312967A1 (enrdf_load_stackoverflow)
FR (1) FR2177360A5 (enrdf_load_stackoverflow)
GB (1) GB1392404A (enrdf_load_stackoverflow)
IT (1) IT981242B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2171351A (en) * 1985-02-27 1986-08-28 Tench Main Limited Fastener dispensing and affixing device
EP0752304A1 (de) * 1995-07-04 1997-01-08 Battenfeld GmbH Hydraulisches Betriebssystem für Kunststoffverarbeitungsmaschinen, insbesondere für Spritzgiessmaschinen

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142369A (en) * 1976-05-04 1979-03-06 Fmc Corporation Multiple speed hoisting system with pressure protection and load control
DE2850883B2 (de) * 1978-11-24 1981-03-19 Frieseke & Hoepfner Gmbh, 8520 Erlangen Druckgeregeltes einen Elektromotor und eine Konstantstrompumpe aufweisendes Hydraulikaggregat
SE435750B (sv) * 1979-06-15 1984-10-15 Akermans Verkstad Ab Anordning for begrensning av fran ett hydraulaggregat uttagen effekt
SE461391B (sv) * 1987-10-28 1990-02-12 Bt Ind Ab Hydraulisk lyftanordning
US5579684A (en) * 1993-02-26 1996-12-03 Stribling Systems, Inc. Efficient compaction system
JP3220637B2 (ja) * 1996-03-21 2001-10-22 日興電機工業株式会社 油圧パワーユニット装置
AT409949B (de) * 1997-03-07 2002-12-27 Weber Gisela Steuervorrichtung für hydraulische arbeitszylinder
DE10354205A1 (de) * 2003-11-20 2005-06-23 Leybold Vakuum Gmbh Verfahren zur Steuerung eines Antriebsmotors einer Vakuum-Verdrängerpumpe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1911138A (en) * 1930-06-04 1933-05-23 Oilgear Co Drilling machine
US2276358A (en) * 1938-10-15 1942-03-17 Vickers Inc Power saving pump jack
US2324727A (en) * 1941-01-10 1943-07-20 Vickers Inc Power transmission
US2663143A (en) * 1949-05-11 1953-12-22 Joy Mfg Co Materials handling apparatus
US3451217A (en) * 1968-01-10 1969-06-24 Zyrotron Ind Inc Fluid control system
US3507868A (en) * 1968-10-21 1970-04-21 Sandoz Ag Imidazo(2,1-b)thiazoles and thiazolo(3,2-a)pyrimidines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2171351A (en) * 1985-02-27 1986-08-28 Tench Main Limited Fastener dispensing and affixing device
EP0752304A1 (de) * 1995-07-04 1997-01-08 Battenfeld GmbH Hydraulisches Betriebssystem für Kunststoffverarbeitungsmaschinen, insbesondere für Spritzgiessmaschinen
US5762973A (en) * 1995-07-04 1998-06-09 Battenfeld Gmbh Hydraulic operating system for plastics processing machines, especially for injection molding machines

Also Published As

Publication number Publication date
AU5262173A (en) 1974-08-29
DE2312967A1 (de) 1973-09-27
US3788076A (en) 1974-01-29
CA969835A (en) 1975-06-24
IT981242B (it) 1974-10-10
FR2177360A5 (enrdf_load_stackoverflow) 1973-11-02

Similar Documents

Publication Publication Date Title
GB1235416A (en) Improvements in or relating to a device for controlling the feeding of hydraulic power devices
GB1392404A (en) Hydraulic systems including an electric motor driven pump
GB1382764A (en) Fluid actuated vibration generators
GB1361291A (en) Lubricating apparatus
US2622874A (en) Intermittent reciprocatory feeding apparatus
US4022096A (en) Hydraulic presses, notably for shearing and cutting materials
DE3365601D1 (en) Hydraulic pile driver
US2302922A (en) Variable delivery pilot pump control system
GB1531478A (en) Hydraulic pumping apparatus
GB2115492A (en) Drive for a mass which is movable by a hydraulic motor
US2656745A (en) Hydraulic system for riveting presses
US2269328A (en) Hydraulic hold-down
US2113110A (en) Hydraulically operated mechanical press
US2594204A (en) Actuating means for forging presses
GB1046990A (en) Improvements in and relating to hydraulic pumps and motors
US2249149A (en) Auxiliary hydraulic device for presses
US2258981A (en) Selective delivery reduction means for variable delivery pumps
GB1268006A (en) Hydraulic pressure casting machine
US4187762A (en) Drive and motion synchronizing apparatus for a hydraulic system
US2544731A (en) Prefill valve
US2229965A (en) Hydraulic press circuit
US1904864A (en) Material working apparatus
US2603176A (en) Hydraulic blankholder press and operating circuit therefor
US2547656A (en) Hydraulic hold-down
GB1487407A (en) Fluid pressure-operated device

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees