CA940987A - Time delay switch - Google Patents

Time delay switch

Info

Publication number
CA940987A
CA940987A CA137,564A CA137564A CA940987A CA 940987 A CA940987 A CA 940987A CA 137564 A CA137564 A CA 137564A CA 940987 A CA940987 A CA 940987A
Authority
CA
Canada
Prior art keywords
time delay
delay switch
switch
time
delay
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
CA137,564A
Other versions
CA137564S (en
Inventor
Paul D. Wessel
Max A. Nelson
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.)
Essex International Inc
Original Assignee
Essex International Inc
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 Essex International Inc filed Critical Essex International Inc
Application granted granted Critical
Publication of CA940987A publication Critical patent/CA940987A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/86—Means for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
    • H01H50/88—Mechanical means, e.g. dash-pot
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H7/00—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts
    • H01H7/02—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with fluid timing means
    • H01H7/03—Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts with fluid timing means with dash-pots
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0066—Auxiliary contact devices

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)
CA137,564A 1971-07-07 1972-03-20 Time delay switch Expired CA940987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16042671A 1971-07-07 1971-07-07

Publications (1)

Publication Number Publication Date
CA940987A true CA940987A (en) 1974-01-29

Family

ID=22576853

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,564A Expired CA940987A (en) 1971-07-07 1972-03-20 Time delay switch

Country Status (2)

Country Link
US (1) US3681721A (en)
CA (1) CA940987A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912247A (en) * 1974-01-02 1975-10-14 Potter Electric Signal Pneumatic retard having stroke-accelerating valve
DE2413786C2 (en) * 1974-03-22 1983-10-13 J.& J. Marquardt, 7201 Rietheim-Weilheim Electrical switch with a switching delay device
JPS5959439U (en) * 1982-10-12 1984-04-18 三菱電機株式会社 diaphragm device
US6168418B1 (en) * 1999-04-29 2001-01-02 General Electric Company Ignition system with delay switch for a gas appliance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103612A (en) * 1963-09-10 Solenoid operated valve
US2855481A (en) * 1954-10-14 1958-10-07 Elastic Stop Nut Corp Time delay apparatus
US3211417A (en) * 1961-07-17 1965-10-12 Itt Oil-filled solenoid valve construction
US3246094A (en) * 1963-12-13 1966-04-12 Holley Carburetor Co Delayed return pressure actuated device

Also Published As

Publication number Publication date
US3681721A (en) 1972-08-01

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