FR874370A - Relais sélectif à servo-moteur - Google Patents

Relais sélectif à servo-moteur

Info

Publication number
FR874370A
FR874370A FR874370DA FR874370A FR 874370 A FR874370 A FR 874370A FR 874370D A FR874370D A FR 874370DA FR 874370 A FR874370 A FR 874370A
Authority
FR
France
Prior art keywords
servo
selective relay
motor selective
motor
relay
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
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR874370A publication Critical patent/FR874370A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/30—Electromagnetic relays specially adapted for actuation by ac
    • H01H51/32—Frequency relays; Mechanically-tuned relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR874370D 1940-01-11 1940-01-11 Relais sélectif à servo-moteur Expired FR874370A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR874370T 1940-01-11

Publications (1)

Publication Number Publication Date
FR874370A true FR874370A (fr) 1942-08-05

Family

ID=9359663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874370D Expired FR874370A (fr) 1940-01-11 1940-01-11 Relais sélectif à servo-moteur

Country Status (1)

Country Link
FR (1) FR874370A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962002A (en) * 1956-04-10 1960-11-29 Sanders Associates Inc Two-stage hydraulic servo valve
US2970575A (en) * 1954-12-30 1961-02-07 Gen Electric Multiple input hydraulic amplifier
US2986929A (en) * 1957-04-22 1961-06-06 Solar Aircraft Co Pressure ratio indicator and controller for variable area nozzle
US2989987A (en) * 1956-05-07 1961-06-27 Sanders Associates Inc 2-stage hydraulic servo valve
US2990839A (en) * 1955-12-22 1961-07-04 Gen Controls Co Control device using magnetizable vibratory conduit
US3099995A (en) * 1960-05-19 1963-08-06 Joens & Co Gmbh W H Electro-pneumatic transducer
US3152612A (en) * 1956-09-28 1964-10-13 Gen Electric Piezoelectric crystal transducer for controlling fluid flow
US3557660A (en) * 1968-10-30 1971-01-26 Lucas Industries Ltd Speed sensing and controlling apparatus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970575A (en) * 1954-12-30 1961-02-07 Gen Electric Multiple input hydraulic amplifier
US2990839A (en) * 1955-12-22 1961-07-04 Gen Controls Co Control device using magnetizable vibratory conduit
US2962002A (en) * 1956-04-10 1960-11-29 Sanders Associates Inc Two-stage hydraulic servo valve
US2989987A (en) * 1956-05-07 1961-06-27 Sanders Associates Inc 2-stage hydraulic servo valve
US3152612A (en) * 1956-09-28 1964-10-13 Gen Electric Piezoelectric crystal transducer for controlling fluid flow
US2986929A (en) * 1957-04-22 1961-06-06 Solar Aircraft Co Pressure ratio indicator and controller for variable area nozzle
US3099995A (en) * 1960-05-19 1963-08-06 Joens & Co Gmbh W H Electro-pneumatic transducer
US3557660A (en) * 1968-10-30 1971-01-26 Lucas Industries Ltd Speed sensing and controlling apparatus

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