CA2247692A1 - Reduction of windage noise in dynamoelectric machines - Google Patents

Reduction of windage noise in dynamoelectric machines

Info

Publication number
CA2247692A1
CA2247692A1 CA 2247692 CA2247692A CA2247692A1 CA 2247692 A1 CA2247692 A1 CA 2247692A1 CA 2247692 CA2247692 CA 2247692 CA 2247692 A CA2247692 A CA 2247692A CA 2247692 A1 CA2247692 A1 CA 2247692A1
Authority
CA
Canada
Prior art keywords
reduction
dynamoelectric machines
windage noise
windage
noise
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.)
Granted
Application number
CA 2247692
Other languages
French (fr)
Other versions
CA2247692C (en
Inventor
James H. Dymond
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.)
General Electric Canada Co
Original Assignee
General Electric Canada 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
Priority claimed from US08/944,031 external-priority patent/US5886435A/en
Application filed by General Electric Canada Co filed Critical General Electric Canada Co
Publication of CA2247692A1 publication Critical patent/CA2247692A1/en
Application granted granted Critical
Publication of CA2247692C publication Critical patent/CA2247692C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

This apparatus is directed to reduction in emitted windage sound in dynamoelectric machines by detuning cavities formed in the ventilation spaces of the machine.
CA 2247692 1997-09-24 1998-09-21 Reduction of windage noise in dynamoelectric machines Expired - Fee Related CA2247692C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/944,031 1997-09-24
US08/944,031 US5886435A (en) 1995-11-27 1997-09-24 Reduction of windage noise in dynamoelectric machines

Publications (2)

Publication Number Publication Date
CA2247692A1 true CA2247692A1 (en) 1999-03-24
CA2247692C CA2247692C (en) 2001-08-07

Family

ID=25480661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2247692 Expired - Fee Related CA2247692C (en) 1997-09-24 1998-09-21 Reduction of windage noise in dynamoelectric machines

Country Status (1)

Country Link
CA (1) CA2247692C (en)

Also Published As

Publication number Publication date
CA2247692C (en) 2001-08-07

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