FR2018353A1 - - Google Patents

Info

Publication number
FR2018353A1
FR2018353A1 FR6931784A FR6931784A FR2018353A1 FR 2018353 A1 FR2018353 A1 FR 2018353A1 FR 6931784 A FR6931784 A FR 6931784A FR 6931784 A FR6931784 A FR 6931784A FR 2018353 A1 FR2018353 A1 FR 2018353A1
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.)
Withdrawn
Application number
FR6931784A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2018353A1 publication Critical patent/FR2018353A1/fr
Withdrawn legal-status Critical Current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
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • 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
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50536—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using unloading valves controlling the supply pressure by diverting fluid to the return line
    • 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
    • F15B2211/56—Control of an upstream pressure
    • 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
    • F15B2211/57—Control of a differential pressure
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/76—Control of force or torque of the output member

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Fluid Pressure (AREA)
  • Safety Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
FR6931784A 1968-09-18 1969-09-18 Withdrawn FR2018353A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6813313A NL6813313A (fr) 1968-09-18 1968-09-18

Publications (1)

Publication Number Publication Date
FR2018353A1 true FR2018353A1 (fr) 1970-05-29

Family

ID=19804696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6931784A Withdrawn FR2018353A1 (fr) 1968-09-18 1969-09-18

Country Status (8)

Country Link
US (1) US3643547A (fr)
JP (1) JPS5022180B1 (fr)
CH (1) CH503910A (fr)
DE (1) DE1946810A1 (fr)
FR (1) FR2018353A1 (fr)
GB (1) GB1286492A (fr)
NL (1) NL6813313A (fr)
SE (1) SE355847B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2440211C2 (de) * 1974-08-22 1986-01-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische Rückeinrichtung zum Rücken einer Hobelführung od.dgl.
DE19630712A1 (de) * 1996-07-30 1998-02-05 Rexroth Mannesmann Gmbh Vorschubhydraulik

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL243892A (fr) * 1958-10-01 1900-01-01
US3420265A (en) * 1967-01-13 1969-01-07 Bell Aerospace Corp Hydraulic flow limiting device

Also Published As

Publication number Publication date
DE1946810A1 (de) 1970-03-26
US3643547A (en) 1972-02-22
SE355847B (fr) 1973-05-07
JPS5022180B1 (fr) 1975-07-29
NL6813313A (fr) 1970-03-20
GB1286492A (en) 1972-08-23
CH503910A (de) 1971-02-28

Similar Documents

Publication Publication Date Title
AU1946070A (fr)
AU5506869A (fr)
AU2374870A (fr)
AU5184069A (fr)
AU6168869A (fr)
AU6171569A (fr)
JPS5022180B1 (fr)
AU2581067A (fr)
AU4811568A (fr)
AR203075Q (fr)
AU2580267A (fr)
BE709484A (fr)
BE709301A (fr)
BE727139A (fr)
BE726974A (fr)
BE726566A (fr)
BE726557A (fr)
BE726284A (fr)
BE725828A (fr)
BE724900A (fr)
BE713348A (fr)
BE712151A (fr)
BE709496A (fr)
BE727832A (fr)
BE709479A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse