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

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/166—Electrical control arrangements
    • 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00—Power plants
    • Y10S60/911—Fluid motor system incorporating electrical system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (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 (enExample)
AU (1) AU5262173A (enExample)
CA (1) CA969835A (enExample)
DE (1) DE2312967A1 (enExample)
FR (1) FR2177360A5 (enExample)
GB (1) GB1392404A (enExample)
IT (1) IT981242B (enExample)

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

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Legal Events

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