GB788654A - Improvements in and relating to thermally responsive electric switches - Google Patents

Improvements in and relating to thermally responsive electric switches

Info

Publication number
GB788654A
GB788654A GB11625/54A GB1162554A GB788654A GB 788654 A GB788654 A GB 788654A GB 11625/54 A GB11625/54 A GB 11625/54A GB 1162554 A GB1162554 A GB 1162554A GB 788654 A GB788654 A GB 788654A
Authority
GB
United Kingdom
Prior art keywords
switch
windings
contact
terminal
main
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
GB11625/54A
Inventor
Jakob Ellenberger
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.)
Ellenberger and Poensgen GmbH
Original Assignee
Ellenberger and Poensgen GmbH
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 Ellenberger and Poensgen GmbH filed Critical Ellenberger and Poensgen GmbH
Publication of GB788654A publication Critical patent/GB788654A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • G21K1/025—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators using multiple collimators, e.g. Bucky screens; other devices for eliminating undesired or dispersed radiation
    • 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

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Protection Of Generators And Motors (AREA)
  • Thermally Actuated Switches (AREA)

Abstract

788,654. Thermal switches; protective cut-out systems; control of A.C. motors. ELLENBERGER & POENSGEN GES. April 22, 1954, No. 11625/54. Classes 38 (3) and 38 (5). [Also in Group XXXV] A switch comprises a bimetal strip 6 carrying a contact 5 and connected to a terminal 7, a heater 8 connected to a separate terminal 9 and to the contact 5, and a fixed contact 2 connected to a terminal 4. Preferably and as shown, the bimetal carries a back contact 5<SP>2</SP> which cooperates with a contact 9<SP>2</SP> connected to terminal 9 so as to short-circuit the heater 8 in order to prevent overheating of the bimetal. The switch may be used in a variety of circuits, e.g. in Fig. 2, a motor starting winding 37 may be cut out a certain time after closing a main switch 39, leaving the main winding 38 energized. In Fig. 4, shunt windings 44, 45 are respectively connected to terminals 9, 7 of the switch which cuts out the motor on overload. In Fig. 5 (not shown), shunt wound starting windings are controlled by one such switch and overload control of the shunt wound main windings is given by a second such switch. Alternatively, in Fig. 6 (not shown), series wound starting windings are controlled similarly, and the overload control of the series wound main windings is given by a known switch.
GB11625/54A 1953-07-29 1954-04-22 Improvements in and relating to thermally responsive electric switches Expired GB788654A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEE0007619 1953-07-29
DEE8047A DE1173579B (en) 1953-07-29 1953-10-29 Starter switch for single-phase induction motors

Publications (1)

Publication Number Publication Date
GB788654A true GB788654A (en) 1958-01-08

Family

ID=25972865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11625/54A Expired GB788654A (en) 1953-07-29 1954-04-22 Improvements in and relating to thermally responsive electric switches

Country Status (6)

Country Link
US (1) US2828389A (en)
BE (1) BE528969A (en)
CH (1) CH326338A (en)
DE (2) DE1173579B (en)
FR (1) FR1099705A (en)
GB (1) GB788654A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151092A (en) * 1983-11-23 1985-07-10 Grundfos As Single-phase asynchronous electric motor

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USB354822I5 (en) * 1956-07-19
US2984722A (en) * 1958-09-23 1961-05-16 Essex Wire Corp Motor starter switch
DE1170519B (en) * 1959-10-26 1964-05-21 Ellenberger & Poensgen Switching device with a motor protection switch and an electrically connected starter switch for induction motors
US3095486A (en) * 1960-07-14 1963-06-25 Texas Instruments Inc Miniaturized printed circuit electrical switching device
US3274441A (en) * 1961-10-09 1966-09-20 Benedik Fedor Sequential electrical lighting arrangement
US3973102A (en) * 1976-01-12 1976-08-03 Equipment Development Corporation Heating and temperature control device for a bath-liquid
DE3129043A1 (en) * 1981-07-23 1983-02-03 Robert 4800 Bielefeld Stahlschmidt Switching arrangement for electrical machines
BR102012030933A2 (en) * 2012-12-04 2014-09-09 Whirlpool Sa CIRCUIT AND PROTECTION DEVICE FOR INDUCTION MOTORS, INDUCTION MOTOR AND CONTROL AND PROTECTION SYSTEM FOR A INDUCTION MOTOR

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL33910C (en) *
GB191317947A (en) * 1913-08-06 1914-04-09 Giovanni Battista Caminati Thermo-electric Current Consumption Regulator.
US1701757A (en) * 1922-04-13 1929-02-12 John M Lea Electric-circuit-controlling device
US1581714A (en) * 1922-09-23 1926-04-20 Birka Regulator Ab Thermostatic time switch
GB220421A (en) * 1923-06-29 1924-08-21 Cyril French Automatic electric switch
DE464688C (en) * 1925-06-13 1928-08-22 Elfa Elektrotechnische Fabrik Installation circuit breaker
US1898174A (en) * 1926-09-11 1933-02-21 Dubilier William Flasher device
DE488688C (en) * 1926-12-12 1930-01-04 Gen Electric Device for the automatic connection and disconnection of a secondary circuit depending on the load on the main circuit
DE515562C (en) * 1927-03-03 1931-01-07 Birka Regulator G M B H Heat relay circuit, especially for electric heating and cooling devices
US2043470A (en) * 1934-05-14 1936-06-09 Gen Motors Corp Switch with automatic release
DE621815C (en) * 1934-05-25 1935-11-15 Nationale Telephon Und Telegra Heat time relay to achieve long switching times
US2117123A (en) * 1934-08-22 1938-05-10 Gen Motors Corp Control system
AT146782B (en) * 1934-08-23 1936-08-10 Elektrisk Bureau As Coupling device for liftable electric lamps.
DE652316C (en) * 1935-02-05 1937-10-28 Aeg Installation circuit breaker with thermal tripping device for circuits whose current strength is greater during the switch-on period than after the switch-on has been completed
US2311545A (en) * 1939-05-05 1943-02-16 Electric Household Utilities Control for washing machines
CH215225A (en) * 1939-07-13 1941-06-15 Westinghouse Electric Corp Protection device of an electric machine.
US2279214A (en) * 1939-07-13 1942-04-07 Westinghouse Electric & Mfg Co Thermal motor protective device
US2320252A (en) * 1941-01-24 1943-05-25 Metals & Controls Corp Thermostatic protective circuit
US2417912A (en) * 1944-08-31 1947-03-25 Gen Motors Corp Split-phase motor thermal starting switch
US2618721A (en) * 1945-06-16 1952-11-18 Gen Motors Corp Control with column loaded strip
US2576815A (en) * 1946-05-06 1951-11-27 Edward V Sundt Fuse plug circuit breaker
US2535969A (en) * 1946-09-14 1950-12-26 Stewart Warner Corp Heater control system with time-delay switch
DE822277C (en) * 1948-10-02 1952-04-21 Otto Streng Dipl Ing Overcurrent circuit breaker with electromagnetic short-circuit and thermal overcurrent release
DE828270C (en) * 1950-02-18 1952-01-17 Siemens Schuckertwerke A G Hot wire relay for switching the auxiliary phase of single-phase induction motors on and off
US2630553A (en) * 1951-05-15 1953-03-03 Gen Electric Dual voltage alternating current motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151092A (en) * 1983-11-23 1985-07-10 Grundfos As Single-phase asynchronous electric motor

Also Published As

Publication number Publication date
US2828389A (en) 1958-03-25
DE1075206B (en) 1960-02-11
FR1099705A (en) 1955-09-08
BE528969A (en)
DE1173579B (en) 1964-07-09
CH326338A (en) 1957-12-15

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