GB724628A - Improvements in control switches for electric motors - Google Patents

Improvements in control switches for electric motors

Info

Publication number
GB724628A
GB724628A GB20311/53A GB2031153A GB724628A GB 724628 A GB724628 A GB 724628A GB 20311/53 A GB20311/53 A GB 20311/53A GB 2031153 A GB2031153 A GB 2031153A GB 724628 A GB724628 A GB 724628A
Authority
GB
United Kingdom
Prior art keywords
strip
ambient temperature
rib
metallic
spring
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
GB20311/53A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation 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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB724628A publication Critical patent/GB724628A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/002—Structural combination of a time delay electrothermal relay with an electrothermal protective relay, e.g. a start relay

Landscapes

  • Thermally Actuated Switches (AREA)
  • Protection Of Generators And Motors (AREA)
GB20311/53A 1952-08-05 1953-07-22 Improvements in control switches for electric motors Expired GB724628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US302777A US2658175A (en) 1952-08-05 1952-08-05 Electrical apparatus

Publications (1)

Publication Number Publication Date
GB724628A true GB724628A (en) 1955-02-23

Family

ID=23169162

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20311/53A Expired GB724628A (en) 1952-08-05 1953-07-22 Improvements in control switches for electric motors

Country Status (4)

Country Link
US (1) US2658175A ( )
DE (1) DE947908C ( )
FR (1) FR1086547A ( )
GB (1) GB724628A ( )

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2788413A (en) * 1957-04-09 Electrical apparatus
DE1141006B (de) * 1957-10-25 1962-12-13 Licentia Gmbh Thermisch wirkendes Zeitrelais zur Steuerung von zwei oder mehreren Stromkreisen
US3453577A (en) * 1966-12-15 1969-07-01 Texas Instruments Inc Compact thermostatic snap switch with heater for protection of motor windings and the like
US3718879A (en) * 1971-05-19 1973-02-27 Texas Instruments Inc Apparatus for starting and protecting of electrical motors
US3852695A (en) * 1973-04-09 1974-12-03 L Northrup Electrical switching system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593268A (en) * 1948-07-20 1952-04-15 Gen Motors Corp Single-phase motor control

Also Published As

Publication number Publication date
US2658175A (en) 1953-11-03
DE947908C (de) 1956-09-13
FR1086547A ( ) 1955-02-14

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