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Expired Canadian patentCanada

Dynamoelectric machine load package having an acoustically isolated enclosure

CA 1055096 A · Owner: General Electric Company · Inventors: Terry, Vincent G.; Lawyer, John F.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A dynamoelectric machine load package has an acoustically isolated enclosure for reducing the amount of structure-borne and air-borne vibration and noise reaching the surrounding environment. Bearing pedestals for supporting a rotating shaft of a rotating field winding of a dynamoelectric machine and a reduction gear for driving the rotating shaft are firmly mounted on a load package base which is firmly attached to a foundation. The enclosure and a stationary armature of the dynamoelectric machine are independently resiliently mounted on the load package base. The enclosure is free to vibrate independently of the load package so that vibrations are not directly transmitted from the load …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted May 22, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMay 22, 1979
Term endedMay 22, 1996
Patent numberCA 1055096 A
Classification (IPC)H02K5/24

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMay 22, 1979Term endedMay 22, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.