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Patent Searching and Data


Title:
FAN, ESPECIALLY COMBUSTION AIR FAN OF HEATER FOR VEHICLE
Document Type and Number:
Japanese Patent JP2004308653
Kind Code:
A
Abstract:

To provide a fan, especially a combustion air fan of a heater for a vehicle, which has a high conveyance effect despite its extremely simple structure.

The fan has a fan housing 12 provided with an inlet range and an outlet range 20 for a medium to be conveyed, and a conveying wheel 16 with a conveying blade 24. The conveying wheel is held by the fan housing 12 so that it can rotate around an axis A of rotation, and it limits a conveying passage area 18 in cooperation with the fan housing 12. Labyrinth packing 26 for closing the conveying passage area 18 is formed in the side where the conveying wheel 16 and the fan housing 18 are facing each other.


Inventors:
Haefner, Michael
Alber, Andreas
Application Number:
JP2004000086793
Publication Date:
November 04, 2004
Filing Date:
March 24, 2004
Export Citation:
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Assignee:
J EBERSPAESHER GMBH & CO KG
International Classes:
F04D23/00; F04D29/08; F04D29/28; F16J15/447; (IPC1-7): F04D29/08; F04D29/28; F16J15/447
Attorney, Agent or Firm:
矢野 敏雄
山崎 利臣
久野 琢也
アインゼル・フェリックス=ラインハルト
ラインハルト・アインゼル