CA2602745A1 - Shaft stiffening assembly for direct motor compressor drive - Google Patents

Shaft stiffening assembly for direct motor compressor drive Download PDF

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Publication number
CA2602745A1
CA2602745A1 CA002602745A CA2602745A CA2602745A1 CA 2602745 A1 CA2602745 A1 CA 2602745A1 CA 002602745 A CA002602745 A CA 002602745A CA 2602745 A CA2602745 A CA 2602745A CA 2602745 A1 CA2602745 A1 CA 2602745A1
Authority
CA
Canada
Prior art keywords
end shield
overload
rotor
snaps
bracket
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
CA002602745A
Other languages
French (fr)
Other versions
CA2602745C (en
Inventor
Lynn Edwin Fisher
Larry Wayne Straley
Michael Allen Marks
Marc Dennis Paper
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 Co
Original Assignee
General Electric Company
Lynn Edwin Fisher
Larry Wayne Straley
Michael Allen Marks
Marc Dennis Paper
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 General Electric Company, Lynn Edwin Fisher, Larry Wayne Straley, Michael Allen Marks, Marc Dennis Paper filed Critical General Electric Company
Priority claimed from CA002286387A external-priority patent/CA2286387C/en
Publication of CA2602745A1 publication Critical patent/CA2602745A1/en
Application granted granted Critical
Publication of CA2602745C publication Critical patent/CA2602745C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K17/00—Asynchronous induction motors; Asynchronous induction generators
    • H02K17/02—Asynchronous induction motors
    • H02K17/30—Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/27—Devices for sensing current, or actuated thereby

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

An electric motor assembly capable of withstanding heavy side loading includes a motor housing having a shell with first and second end shields including bearing supports having bearings therein. The first end shield further includes a flange for connecting a compressor to the motor. A rotor is rotatably mounted in the housing and supported by the bearings. A stiffening collar, positioned between a rotor core and the first end shield, surrounds a portion of a rotor shaft and provides support for the shaft against deflection due to heavy side loading. A centrifugal mechanism and a spacer are positioned on the rotor assembly outboard of the motor housing. The motor assembly also includes a cover attached to the second end shield. The cover holds a start capacitor, a run capacitor and a centrifugal switch and further includes snaps for mounting the centrifugal switch to the cover. An overload and an overload bracket extend, at least partially, through an opening in the second end shield. The overload bracket includes snaps that engage the second end shield and maintain the bracket and overload in position. A load washer having a plurality of snaps engages the second end shield and maintains the load washer in position on the second end shield.
CA002602745A 1999-10-14 1999-10-14 Shaft stiffening assembly for direct motor compressor drive Expired - Fee Related CA2602745C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002286387A CA2286387C (en) 1998-04-24 1999-10-14 Shaft stiffening assembly for direct motor compressor drive

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002286387A Division CA2286387C (en) 1998-04-24 1999-10-14 Shaft stiffening assembly for direct motor compressor drive

Publications (2)

Publication Number Publication Date
CA2602745A1 true CA2602745A1 (en) 2001-04-14
CA2602745C CA2602745C (en) 2009-09-08

Family

ID=38788335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002602745A Expired - Fee Related CA2602745C (en) 1999-10-14 1999-10-14 Shaft stiffening assembly for direct motor compressor drive

Country Status (1)

Country Link
CA (1) CA2602745C (en)

Also Published As

Publication number Publication date
CA2602745C (en) 2009-09-08

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20151014