ZA922388B - Double dc coil timing circuit - Google Patents

Double dc coil timing circuit

Info

Publication number
ZA922388B
ZA922388B ZA922388A ZA922388A ZA922388B ZA 922388 B ZA922388 B ZA 922388B ZA 922388 A ZA922388 A ZA 922388A ZA 922388 A ZA922388 A ZA 922388A ZA 922388 B ZA922388 B ZA 922388B
Authority
ZA
South Africa
Prior art keywords
double
timing circuit
coil timing
coil
circuit
Prior art date
Application number
ZA922388A
Other languages
English (en)
Inventor
Rick Alan Hurley
Alan Hurley Rick
Mark Edmund Innes
Edmund Innes Mark
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA922388B publication Critical patent/ZA922388B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/06—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current by changing number of serially-connected turns or windings

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Relay Circuits (AREA)
  • Motor And Converter Starters (AREA)
ZA922388A 1991-04-19 1992-04-01 Double dc coil timing circuit ZA922388B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/688,007 US5168418A (en) 1991-04-19 1991-04-19 Double dc coil timing circuit

Publications (1)

Publication Number Publication Date
ZA922388B true ZA922388B (en) 1992-12-30

Family

ID=24762735

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA922388A ZA922388B (en) 1991-04-19 1992-04-01 Double dc coil timing circuit

Country Status (8)

Country Link
US (1) US5168418A (de)
EP (1) EP0509824A3 (de)
JP (1) JPH05135675A (de)
AU (1) AU655633B2 (de)
BR (1) BR9201439A (de)
CA (1) CA2066357A1 (de)
MX (1) MX9201626A (de)
ZA (1) ZA922388B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5422780A (en) * 1992-12-22 1995-06-06 The Lee Company Solenoid drive circuit
US5440443A (en) * 1993-02-25 1995-08-08 Robertshaw Controls Company Control device and methods of making and operating the same
US5410187A (en) * 1993-06-15 1995-04-25 Honeywell, Inc. Output circuit for controlling a relay which has capability for operating with wide range of input voltages
US5592356A (en) * 1994-09-27 1997-01-07 Synchro-Start Products, Inc. Dual coil actuator with timing circuit
US5719738A (en) * 1994-12-27 1998-02-17 General Electric Company Circuit breaker remote closing operator
GB2302988B (en) * 1995-06-29 1997-07-09 Defond Mfg Ltd Circuit breaker
US6035843A (en) * 1996-01-16 2000-03-14 Smart Parts, Inc. Pneumatically operated projectile launching device
US6166525A (en) * 1998-01-26 2000-12-26 Crook; Gaines M. Automatic electric power generator control
KR101529588B1 (ko) 2013-10-18 2015-06-17 엘에스산전 주식회사 전자접촉기

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB817035A (en) * 1956-04-23 1959-07-22 Rotax Ltd Electromagnetically-actuated electric switches
FR2134081B1 (de) * 1971-04-19 1974-02-15 Cem Comp Electro Mec
DE2305343A1 (de) * 1973-02-03 1974-08-08 Baum Elektrophysik Gmbh Schaltung an einer erregerspule fuer schuetze oder relais
US4065096A (en) * 1976-07-01 1977-12-27 Graham-White Sales Corporation Solenoid-actuated valve
US4186420A (en) * 1978-08-25 1980-01-29 Otis Elevator Company Accurate, fail-safe relay timer
US4559511A (en) * 1983-04-19 1985-12-17 Westinghouse Electric Corp. Vacuum contactor having DC electromagnet with improved force watts ratio
US4485366A (en) * 1983-04-19 1984-11-27 Westinghouse Electric Corp. Mechanical interlock mechanism for a vacuum contactor
US4479042A (en) * 1983-04-19 1984-10-23 Westinghouse Electric Corp. Contact overtravel adjustment apparatus for a vacuum contactor
US4504808A (en) * 1983-04-19 1985-03-12 Westinghouse Electric Corp. Vacuum contactor kickout spring adjustment apparatus
US4544817A (en) * 1983-11-29 1985-10-01 Westinghouse Electric Corp. Vacuum contactor with kickout spring
US4642726A (en) * 1984-01-09 1987-02-10 Westinghouse Electric Corp. Solenoid operator circuit for molded case circuit breaker

Also Published As

Publication number Publication date
BR9201439A (pt) 1992-12-01
MX9201626A (es) 1992-10-01
CA2066357A1 (en) 1992-10-20
US5168418A (en) 1992-12-01
JPH05135675A (ja) 1993-06-01
EP0509824A3 (en) 1993-06-30
AU655633B2 (en) 1995-01-05
AU1388792A (en) 1992-10-22
EP0509824A2 (de) 1992-10-21

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