FR2424580B1 - - Google Patents

Info

Publication number
FR2424580B1
FR2424580B1 FR7907136A FR7907136A FR2424580B1 FR 2424580 B1 FR2424580 B1 FR 2424580B1 FR 7907136 A FR7907136 A FR 7907136A FR 7907136 A FR7907136 A FR 7907136A FR 2424580 B1 FR2424580 B1 FR 2424580B1
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.)
Expired
Application number
FR7907136A
Other languages
French (fr)
Other versions
FR2424580A1 (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.)
SPINDLER DEISSLER STARKSTROM
Original Assignee
SPINDLER DEISSLER STARKSTROM
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 SPINDLER DEISSLER STARKSTROM filed Critical SPINDLER DEISSLER STARKSTROM
Publication of FR2424580A1 publication Critical patent/FR2424580A1/en
Application granted granted Critical
Publication of FR2424580B1 publication Critical patent/FR2424580B1/fr
Granted legal-status Critical Current

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
    • H01H47/002—Monitoring or fail-safe circuits
    • H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit
    • H01H47/005—Safety control circuits therefor, e.g. chain of relays mutually monitoring each other
FR7907136A 1978-04-26 1979-03-21 DEVICE FOR ELECTRICAL CONTROL OF PRESS SAFETY VALVES Granted FR2424580A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782818173 DE2818173B1 (en) 1978-04-26 1978-04-26 Arrangement for electrical monitoring of press safety valves

Publications (2)

Publication Number Publication Date
FR2424580A1 FR2424580A1 (en) 1979-11-23
FR2424580B1 true FR2424580B1 (en) 1984-07-06

Family

ID=6037990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7907136A Granted FR2424580A1 (en) 1978-04-26 1979-03-21 DEVICE FOR ELECTRICAL CONTROL OF PRESS SAFETY VALVES

Country Status (4)

Country Link
CH (1) CH644303A5 (en)
DE (1) DE2818173B1 (en)
FR (1) FR2424580A1 (en)
SE (1) SE417361B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3619723A1 (en) * 1986-06-12 1987-12-17 Kloeckner Moeller Elektrizit Additional controller, having contacts, for safety circuits
DK0565745T3 (en) * 1992-04-13 1996-11-11 Schneider Electric Gmbh Monitoring of a signal change, especially in self-controlling operating systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2447123A1 (en) * 1974-10-02 1976-04-08 Herion Werke Kg Press valve checking circuit - has spindles of independent operating valves probed by proximity arrangement

Also Published As

Publication number Publication date
FR2424580A1 (en) 1979-11-23
SE7806345L (en) 1979-10-27
CH644303A5 (en) 1984-07-31
DE2818173B1 (en) 1979-03-29
SE417361B (en) 1981-03-09

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Legal Events

Date Code Title Description
ST Notification of lapse