FR2156626A1 - - Google Patents

Info

Publication number
FR2156626A1
FR2156626A1 FR7234290A FR7234290A FR2156626A1 FR 2156626 A1 FR2156626 A1 FR 2156626A1 FR 7234290 A FR7234290 A FR 7234290A FR 7234290 A FR7234290 A FR 7234290A FR 2156626 A1 FR2156626 A1 FR 2156626A1
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Withdrawn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
FR7234290A
Other languages
French (fr)
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.)
Rheinmetall Air Defence AG
Original Assignee
Werkzeugmaschinenfabrik Oerlikon Buhrle AG
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 Werkzeugmaschinenfabrik Oerlikon Buhrle AG filed Critical Werkzeugmaschinenfabrik Oerlikon Buhrle AG
Publication of FR2156626A1 publication Critical patent/FR2156626A1/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Withdrawn legal-status Critical Current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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/12—Special measures for increasing the sensitivity of the system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/18—Means for transforming movement of the feeler or the like into feed movement of tool or work involving fluid 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/10—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Multiple-Way Valves (AREA)
FR7234290A 1971-10-01 1972-09-25 Withdrawn FR2156626A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1432771 1971-10-01

Publications (1)

Publication Number Publication Date
FR2156626A1 true FR2156626A1 (enrdf_load_stackoverflow) 1973-06-01

Family

ID=4399872

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7234290A Withdrawn FR2156626A1 (enrdf_load_stackoverflow) 1971-10-01 1972-09-25

Country Status (2)

Country Link
JP (1) JPS4842273A (enrdf_load_stackoverflow)
FR (1) FR2156626A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418878A1 (fr) * 1978-03-04 1979-09-28 Nippon Control Ind Co Ltd Pompe electromagnetique maintenant automatiquement la pression d'evacuation constante
EP0399044A4 (en) * 1987-12-02 1991-01-16 Ebara Research Co., Ltd. Hydraulic servo valve

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50101921A (enrdf_load_stackoverflow) * 1974-01-11 1975-08-12
US3912222A (en) * 1974-04-29 1975-10-14 Sanders Associates Inc Low friction piston type pilot requiring no dither
DE102017108186A1 (de) * 2017-04-18 2018-10-18 Gardner Denver Deutschland Gmbh Mischventilanordnung für ein hydraulisches System, sowie Ölkühlsystem und Kompressoranlage mit dieser

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418878A1 (fr) * 1978-03-04 1979-09-28 Nippon Control Ind Co Ltd Pompe electromagnetique maintenant automatiquement la pression d'evacuation constante
EP0399044A4 (en) * 1987-12-02 1991-01-16 Ebara Research Co., Ltd. Hydraulic servo valve
US5186213A (en) * 1987-12-02 1993-02-16 Ebara Research Co. Ltd. 29

Also Published As

Publication number Publication date
JPS4842273A (enrdf_load_stackoverflow) 1973-06-20

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Legal Events

Date Code Title Description
ST Notification of lapse