CA998139A - Speed responsive sensor - Google Patents

Speed responsive sensor

Info

Publication number
CA998139A
CA998139A CA177,517A CA177517A CA998139A CA 998139 A CA998139 A CA 998139A CA 177517 A CA177517 A CA 177517A CA 998139 A CA998139 A CA 998139A
Authority
CA
Canada
Prior art keywords
speed responsive
responsive sensor
sensor
speed
responsive
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
CA177,517A
Other languages
English (en)
Other versions
CA177517S (en
Inventor
Harry Berkovitz
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.)
CBS Corp
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
Application granted granted Critical
Publication of CA998139A publication Critical patent/CA998139A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
CA177,517A 1972-07-31 1973-07-27 Speed responsive sensor Expired CA998139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00276489A US3802274A (en) 1972-07-31 1972-07-31 Speed responsive sensor

Publications (1)

Publication Number Publication Date
CA998139A true CA998139A (en) 1976-10-05

Family

ID=23056851

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,517A Expired CA998139A (en) 1972-07-31 1973-07-27 Speed responsive sensor

Country Status (4)

Country Link
US (1) US3802274A (de)
BE (1) BE803010A (de)
CA (1) CA998139A (de)
DE (1) DE2338508A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114229650A (zh) * 2022-01-12 2022-03-25 迈格钠磁动力股份有限公司 一种电梯曳引轮永磁安全缓速装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015374A (ja) * 1983-07-06 1985-01-26 三菱電機株式会社 エレベ−タの制御装置
JP4109384B2 (ja) * 1999-05-27 2008-07-02 三菱電機株式会社 エレベータ調速機
FI117092B (fi) * 2003-03-12 2006-06-15 Kone Corp Nopeudenrajoitin

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US474447A (en) * 1892-05-10 Electric speed-regulator
US3326326A (en) * 1965-09-14 1967-06-20 Westinghouse Electric Corp Vehicular transportation having protection against improper operation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114229650A (zh) * 2022-01-12 2022-03-25 迈格钠磁动力股份有限公司 一种电梯曳引轮永磁安全缓速装置

Also Published As

Publication number Publication date
BE803010A (fr) 1974-01-30
US3802274A (en) 1974-04-09
DE2338508A1 (de) 1974-02-14

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