Invention Grant
- Patent Title: Electric motor-driven compressor having a heat shield forming a wall of a diffuser
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Application No.: US14226309Application Date: 2014-03-26
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Publication No.: US09732766B2Publication Date: 2017-08-15
- Inventor: Glenn F. Thompson , Mike Guidry , John Mason , Rick Johnson , Patrick Beresewicz
- Applicant: Honeywell International Inc.
- Applicant Address: US NJ Morris Plains
- Assignee: Honeywell International Inc.
- Current Assignee: Honeywell International Inc.
- Current Assignee Address: US NJ Morris Plains
- Agent John C. James
- Main IPC: F04D29/58
- IPC: F04D29/58 ; F04C29/04 ; F04D17/12 ; F04D25/06 ; F04D29/056

Abstract:
An electric motor-driven compressor includes a housing assembly comprising a motor housing and a compressor housing mounted thereto. The compressor housing contains a centrifugal compressor wheel that is mounted on a shaft of the motor rotor and also defines an air inlet that leads air into the compressor wheel, and a volute that collects the compressed air. Air bearings rotatably support the shaft. Cooling air passages are defined in the housing assembly for supplying cooling air to the air bearings. A diffuser between the exit of the compressor wheel and the volute serves to diffuse the compressed air. The compressor includes a heat shield formed separately from the compressor housing and the motor housing and disposed between them. The heat shield defines one wall of the diffuser and also cooperates with the housing assembly to define part of the cooling air passages for the cooling air supplied to the bearings.
Public/Granted literature
- US20150275920A1 Electric Motor-Driven Compressor Having A Heat Shield Forming A Wall Of A Diffuser Public/Granted day:2015-10-01
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