CA938196A - Hydraulic system - Google Patents

Hydraulic system

Info

Publication number
CA938196A
CA938196A CA109142A CA109142A CA938196A CA 938196 A CA938196 A CA 938196A CA 109142 A CA109142 A CA 109142A CA 109142 A CA109142 A CA 109142A CA 938196 A CA938196 A CA 938196A
Authority
CA
Canada
Prior art keywords
hydraulic system
hydraulic
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
CA109142A
Other languages
English (en)
Other versions
CA109142S (en
Inventor
L. Hoffman Bernard
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.)
FREDERICK A KRAUSE ASSOCIATES
Original Assignee
FREDERICK A KRAUSE ASSOCIATES
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 FREDERICK A KRAUSE ASSOCIATES filed Critical FREDERICK A KRAUSE ASSOCIATES
Application granted granted Critical
Publication of CA938196A publication Critical patent/CA938196A/en
Expired legal-status Critical Current

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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/04—Blank holders; Mounting means therefor
    • B21D24/08—Pneumatically or hydraulically loaded blank holders
    • 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
    • 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
    • F15B2211/66—Temperature control methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Presses And Accessory Devices Thereof (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Control Of Presses (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
CA109142A 1970-04-01 1971-03-30 Hydraulic system Expired CA938196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2456770A 1970-04-01 1970-04-01

Publications (1)

Publication Number Publication Date
CA938196A true CA938196A (en) 1973-12-11

Family

ID=21821249

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109142A Expired CA938196A (en) 1970-04-01 1971-03-30 Hydraulic system

Country Status (6)

Country Link
US (1) US3678726A (enExample)
JP (1) JPS5215827B1 (enExample)
CA (1) CA938196A (enExample)
DE (1) DE2166680A1 (enExample)
FR (1) FR2085777B1 (enExample)
GB (1) GB1342168A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109404369B (zh) * 2018-12-13 2020-06-19 恒天九五重工有限公司 一种多功能液压维护系统
DE102021101539B4 (de) * 2021-01-25 2024-09-26 Langenstein & Schemann Gmbh Hydraulische Umformmaschine zum Pressen von Werkstücken, insbesondere Schmiedehammer, und Verfahren zum Betreiben einer hydraulischen Umformmaschine, insbesondere eines Schmiedehammers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696140A (en) * 1926-06-12 1928-12-18 Oilgear Co Hydraulic blank holder
US1696141A (en) * 1926-11-18 1928-12-18 Oilgear Co Hydraulic blank holder
DE652601C (de) * 1936-05-09 1937-11-03 Heinrich Ewald Kranenberg Presse mit Ziehvorrichtung
US2261060A (en) * 1938-08-15 1941-10-28 Fulton Sylphon Co Automatic tube drawing press
DE1040488B (de) * 1952-08-04 1958-10-09 Weingarten Ag Maschf Presslufteinrichtung fuer Blechziehpressen
US2842357A (en) * 1957-03-04 1958-07-08 Floyd M Williamson Circulating systems for hydraulic liquid between storage tanks and cylinders
DE1279615B (de) * 1961-07-07 1968-10-10 Siemens Elektrogeraete Gmbh Vorrichtung zum hydraulischen Tiefziehen
US3147962A (en) * 1962-09-10 1964-09-08 Dro Engineering Company Di Two-stage hydraulic cushions for dies
US3251214A (en) * 1963-01-09 1966-05-17 Dro Engineering Company Di Hydraulic system for dies
US3290034A (en) * 1964-12-31 1966-12-06 Dro Engineering Company Di Hydraulic control for die pads in presses
US3493006A (en) * 1965-09-28 1970-02-03 Krause Ass F A Pressure control unit

Also Published As

Publication number Publication date
DE2116018B2 (de) 1975-10-16
FR2085777A1 (enExample) 1971-12-31
DE2116018A1 (de) 1971-10-14
JPS5215827B1 (enExample) 1977-05-04
GB1342168A (en) 1973-12-25
DE2166680A1 (de) 1975-05-07
US3678726A (en) 1972-07-25
FR2085777B1 (enExample) 1975-06-06

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