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Patent Searching and Data


Title:
MOTOR-DRIVEN AIR PUMP
Document Type and Number:
Japanese Patent JP2004316581
Kind Code:
A
Abstract:

To provide a motor-driven air pump capable of rapidly expanding and contracting an expandable object with an impeller being operated in extremely low idling pressure.

In the motor-driven air pump, a bottom wall and a barrier wall respectively form an accommodation space provided with an impeller. A first internal port and a second internal port respectively communicated with a first chamber and a second chamber are formed in the barrier wall at a distance. A first external port connected to one of the first chamber and the second chamber to be an upstream thereof is arranged. The first external port connected to the other one of the first chamber and the second chamber to be a downstream thereof is arranged.


Inventors:
Wan, Chon-chon
Application Number:
JP2003000113598
Publication Date:
November 11, 2004
Filing Date:
April 18, 2003
Export Citation:
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Assignee:
TAIWAN TOUOII KOFUN YUGENKOSHI
International Classes:
F04D27/00; F04D23/00; F04D29/00; F04D29/44; (IPC1-7): F04D23/00; F04D27/00; F04D29/00; F04D29/44
Attorney, Agent or Firm:
鈴木 崇生
梶崎 弘一
尾崎 雄三
谷口 俊彦