CA931262A - Breather for operating mechanism housing for high voltage switches and the like - Google Patents

Breather for operating mechanism housing for high voltage switches and the like

Info

Publication number
CA931262A
CA931262A CA133389A CA133389A CA931262A CA 931262 A CA931262 A CA 931262A CA 133389 A CA133389 A CA 133389A CA 133389 A CA133389 A CA 133389A CA 931262 A CA931262 A CA 931262A
Authority
CA
Canada
Prior art keywords
breather
high voltage
operating mechanism
mechanism housing
voltage switches
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
CA133389A
Other versions
CA133389S (en
Inventor
V. Chabala Leonard
M. Evans David
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.)
S&C Electric Co
Original Assignee
S&C Electric 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 S&C Electric Co filed Critical S&C Electric Co
Application granted granted Critical
Publication of CA931262A publication Critical patent/CA931262A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/047—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings provided with venting means
CA133389A 1971-09-07 1972-01-28 Breather for operating mechanism housing for high voltage switches and the like Expired CA931262A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17809371A 1971-09-07 1971-09-07

Publications (1)

Publication Number Publication Date
CA931262A true CA931262A (en) 1973-07-31

Family

ID=22651151

Family Applications (1)

Application Number Title Priority Date Filing Date
CA133389A Expired CA931262A (en) 1971-09-07 1972-01-28 Breather for operating mechanism housing for high voltage switches and the like

Country Status (3)

Country Link
US (1) US3696729A (en)
CA (1) CA931262A (en)
GB (2) GB1387644A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047142A (en) * 1976-11-11 1977-09-06 S&C Electric Company Breather assembly for electrical apparatus
US4495857A (en) * 1981-07-27 1985-01-29 Cti International Inc. Labyrinth ventilator
US4596906A (en) * 1985-04-10 1986-06-24 S&C Electric Company Arrangement for providing independent rotary and linear drive outputs for high-voltage switches
US4942765A (en) * 1988-03-31 1990-07-24 Micro-Trak Systems, Inc. Ultrasonic velocity sensor
US5823378A (en) * 1997-03-27 1998-10-20 Gseg Llc Breather vent for electrical enclosure
DE59800974D1 (en) * 1997-11-28 2001-08-09 Siemens Ag VENTILATION DEVICE, ESPECIALLY FOR ELECTRICAL CONTROL UNITS
US9853425B2 (en) * 2014-09-11 2017-12-26 Hubbell Incorporated Breather drain

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US873166A (en) * 1906-01-15 1907-12-10 Bullock Electric Mfg Co Transformer.
US2302395A (en) * 1940-11-27 1942-11-17 Gen Electric Electric switchgear
US2741897A (en) * 1950-11-03 1956-04-17 Armstrong Cork Co Equalizing duct for hardening rooms
US2859270A (en) * 1953-08-10 1958-11-04 Mike W Nicholson Telephone and telegraph cable breather

Also Published As

Publication number Publication date
GB1387644A (en) 1975-03-19
GB1387645A (en) 1975-03-19
US3696729A (en) 1972-10-10

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