FR2449490B1 - - Google Patents

Info

Publication number
FR2449490B1
FR2449490B1 FR8004004A FR8004004A FR2449490B1 FR 2449490 B1 FR2449490 B1 FR 2449490B1 FR 8004004 A FR8004004 A FR 8004004A FR 8004004 A FR8004004 A FR 8004004A FR 2449490 B1 FR2449490 B1 FR 2449490B1
Authority
FR
France
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
FR8004004A
Other languages
French (fr)
Other versions
FR2449490A1 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2449490A1 publication Critical patent/FR2449490A1/en
Application granted granted Critical
Publication of FR2449490B1 publication Critical patent/FR2449490B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
    • B21D24/14—Devices controlling or operating blank holders independently, or in conjunction with dies pneumatically or hydraulically
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/14—Energy-recuperation means
    • 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
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • 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
    • F15B2211/27—Directional control by means of the pressure source
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/88—Control measures for saving energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
FR8004004A 1979-02-22 1980-02-22 Hydraulic stamping press with counter jack holding blank on die - uses e.g. pump to absorb power of counter jack descent for transfer to prim jack Granted FR2449490A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20437/79A IT1166653B (en) 1979-02-22 1979-02-22 HYDRAULIC PRESS FOR DRAWING WITH ENERGY RECOVERY

Publications (2)

Publication Number Publication Date
FR2449490A1 FR2449490A1 (en) 1980-09-19
FR2449490B1 true FR2449490B1 (en) 1983-12-16

Family

ID=11166920

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8004004A Granted FR2449490A1 (en) 1979-02-22 1980-02-22 Hydraulic stamping press with counter jack holding blank on die - uses e.g. pump to absorb power of counter jack descent for transfer to prim jack

Country Status (3)

Country Link
ES (1) ES488818A1 (en)
FR (1) FR2449490A1 (en)
IT (1) IT1166653B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD206469A3 (en) * 1981-07-08 1984-01-25 Gregor Geist PNEUMATIC ACTIVE PILLOW FOR PRESSING
CZ281492B6 (en) * 1992-03-27 1996-10-16 Mannesmann Rexroth Gmbh Hydraulic drive of press, particularly a press for forming metal sheet
ITVI20090286A1 (en) * 2009-11-27 2011-05-28 Omera S R L METHOD OF PROCESSING HYDRAULIC COMPONENTS BY MEANS OF A HYDRAULIC PRESS AND HYDRAULIC PRESS FOR THE PERFORMANCE OF THIS PROCESSING METHOD.
WO2021244723A1 (en) * 2020-06-02 2021-12-09 Stenhøj Hydraulik A/S Energy saving hydraulic press

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124091A (en) * 1964-03-10 williamson
US3481293A (en) * 1962-03-30 1969-12-02 North American Rockwell Method for manufacturing wheel covers
US3435653A (en) * 1966-01-21 1969-04-01 Nat Dairy Prod Corp Forming method and apparatus

Also Published As

Publication number Publication date
IT1166653B (en) 1987-05-06
IT7920437A0 (en) 1979-02-22
ES488818A1 (en) 1980-09-16
FR2449490A1 (en) 1980-09-19

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse