GB1409198A - Electromagnetic actuator with hydraulic time delay means - Google Patents

Electromagnetic actuator with hydraulic time delay means

Info

Publication number
GB1409198A
GB1409198A GB1707173A GB1707173A GB1409198A GB 1409198 A GB1409198 A GB 1409198A GB 1707173 A GB1707173 A GB 1707173A GB 1707173 A GB1707173 A GB 1707173A GB 1409198 A GB1409198 A GB 1409198A
Authority
GB
United Kingdom
Prior art keywords
bore
valve
spring
time delay
tripping
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
GB1707173A
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.)
Heinemann Electric Co
Original Assignee
Heinemann Electric Co
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 Heinemann Electric Co filed Critical Heinemann Electric Co
Publication of GB1409198A publication Critical patent/GB1409198A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/34—Electromagnetic mechanisms having two or more armatures controlled by a common winding
    • H01H71/345—Electromagnetic mechanisms having two or more armatures controlled by a common winding having a delayed movable core and a movable armature

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)
  • Breakers (AREA)
GB1707173A 1972-04-26 1973-04-10 Electromagnetic actuator with hydraulic time delay means Expired GB1409198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24773272A 1972-04-26 1972-04-26

Publications (1)

Publication Number Publication Date
GB1409198A true GB1409198A (en) 1975-10-08

Family

ID=22936131

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1707173A Expired GB1409198A (en) 1972-04-26 1973-04-10 Electromagnetic actuator with hydraulic time delay means

Country Status (6)

Country Link
US (1) US3729696A (enrdf_load_stackoverflow)
CA (1) CA970804A (enrdf_load_stackoverflow)
DE (1) DE2317433A1 (enrdf_load_stackoverflow)
FR (1) FR2181875B1 (enrdf_load_stackoverflow)
GB (1) GB1409198A (enrdf_load_stackoverflow)
ZA (1) ZA732562B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297554A (en) * 1980-01-24 1981-10-27 G & W Electric Specialty Company Time delay switch mechanism
US4436408A (en) 1980-12-24 1984-03-13 Canon Kabushiki Kaisha Image forming apparatus including power switch operating means
US4918413A (en) * 1989-02-22 1990-04-17 Heinemann Electric Company Clamp for captive tube in electromagnetic circuit breakers
US4963847A (en) * 1989-04-11 1990-10-16 Heinemann Electric Company Circuit breaker with transparent tube magnetic core holder
JP2675173B2 (ja) * 1990-03-02 1997-11-12 株式会社日立製作所 電子デバイスの冷却装置
EP0633589B1 (en) * 1993-07-06 1997-10-01 Circuit Breaker Industries Limited Circuit breaker mechanism
EP0948020A3 (en) * 1998-04-02 2000-06-07 Circuit Breaker Industries Limited A trip unit for an hydraulic/magnetic circuit breaker
US20070290776A1 (en) * 2006-06-17 2007-12-20 Tim Hasenour Time delay relay
US8136890B2 (en) * 2008-04-02 2012-03-20 International Safety & Development, Llc Shock proof devices and methods
US9577389B2 (en) 2014-03-07 2017-02-21 International Safety Holdings, LLC Systems and methods for modular shock proof electrical outlets

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1904759A (en) * 1931-05-25 1933-04-18 Trico Products Corp Fluid pressure horn
US2200109A (en) * 1934-05-23 1940-05-07 Heinemann Circuit Breaker Comp Current limiter
GB507487A (en) * 1937-12-13 1939-06-13 Rene Tondeur Improvements in spring urged non-return valves and the manufacture thereof
US2519055A (en) * 1946-08-02 1950-08-15 Mcgraw Electric Co Circuit interrupter
US2694789A (en) * 1950-12-07 1954-11-16 Heinemann Electric Co Delayed-action magnetic circuit breaker
DE884213C (de) * 1951-11-07 1953-08-24 Heinrich Remmer Loesbares Anschlusskontaktpaar fuer Sammlerbatterien
US3183931A (en) * 1963-02-09 1965-05-18 Dehavilland Aircraft Canada Charging valve for oleo pneumatic aircraft landing struts
US3308847A (en) * 1964-01-31 1967-03-14 Croname Inc Solenoid-operated, shut-off and regulator valve
US3441052A (en) * 1967-05-10 1969-04-29 William H Schilling Automatic flow-responsive valve

Also Published As

Publication number Publication date
US3729696A (en) 1973-04-24
ZA732562B (en) 1974-03-27
DE2317433A1 (de) 1973-11-15
FR2181875A1 (enrdf_load_stackoverflow) 1973-12-07
CA970804A (en) 1975-07-08
FR2181875B1 (enrdf_load_stackoverflow) 1977-02-04

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees