Vehicle air conditioning blower

JP7791659B2Active Publication Date: 2025-12-24JAPAN CLIMATE SYSTEMS CORP
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Patent Information

Application Number
JP2021091282
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2021-05-31
Publication Date
2025-12-24
Estimated Expiration
2041-05-31

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Patent Text Reader

Abstract

To provide a blower for a vehicular air conditioner which reduces noise caused during operation without adding limitations on a parting position of a case while avoiding increase in the number of components.SOLUTION: A centrifugal fan 10 is provided with: multiple main blades 11; a blade support plate part 12 which supports the main blades 11; and multiple sub-blades 13 protruding from the blade support plate part 12 to the motor flange 33 side. A number of the main blades 11 is different from a number of the sub-blades 13.SELECTED DRAWING: Figure 12
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