Cooling unit of air compressor for fuel cell vehicle
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Nov 29, 2014
filing date -
Jul 29, 2014
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Abstract
An air compressor for a fuel cell vehicle includes a volute housing, an impeller mounted to the volute housing, and a motor driving the impeller and cooling the motor and bearings that support a rotation shaft of the motor using air at an outlet side of the impeller. The air compressor has a cooling unit including: a coolant channel provided in plural along a radial direction in a motor housing that is coupled to the volute housing and through which a coolant flows; and a cooled air channel formed between coolant channels of the motor housing and through which the air flows.
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