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Patent Searching and Data


Title:
排気タービン過給機
Document Type and Number:
Japanese Patent JP4447866
Kind Code:
B2
Abstract:
The device has a housing and a shaft in the housing rotatable about its longitudinal axis, carrying a turbine wheel and a compressor wheel and mounted in magnetic radial bearings and at least one axial bearing. The bearings each have a bearing plate seated on the shaft and at least one stator opposing this axially so as to form a gap. At least one flow channel is formed in the housing via which at least one bearing gap is subjected to an air flow. The device has a housing and a shaft (2) in the housing rotatable about its longitudinal axis, carrying a turbine wheel (4) and a compressor wheel (3) and mounted in magnetic radial bearings (5,6) and at least one axial bearing (9). The bearings each have a bearing plate seated on the shaft and at least one stator opposing this axially so as to form a gap. At least one flow channel is formed in the housing via which at least one bearing gap is subjected to an air flow. An independent claim is also included for the following: (a) a method of cooling magnetic bearings in an inventive exhaust gas turbocharger.

Inventors:
Jane-Wolf Yaisle
Application Number:
JP2003286617A
Publication Date:
April 07, 2010
Filing Date:
August 05, 2003
Export Citation:
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Assignee:
Borg Warner Incorporated
International Classes:
F02B39/00; F01D11/04; F01D25/12; F01D25/16; F02C6/12; F16C32/04; F16C39/06
Domestic Patent References:
JP6101498A
JP8061366A
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Hiroyuki Uchida