Title:
ELECTROMAGNETIC DIAPHRAGM PUMP
Document Type and Number:
WIPO Patent Application WO/2004/076862
Kind Code:
A1
Abstract:
A small and thin electromagnetic diaphragm pump mountable readily on a small apparatus. The electromagnetic diaphragm pump is characterized by comprising a diaphragm chamber (26) provided between a diaphragm (20) and a frame body (22) by fixing the diaphragm (20) to the frame body (22), a suction valve (27) and a delivery valve (39) communicating with the diaphragm chamber (26), a permanent magnet (30) fixed to the outer surface of the diaphragm (20), and a means (40) provided on the outer surface of the frame body (22) facing the permanent magnet (30) and generating an electromagnetic force acting on the permanent magnet (30).
Inventors:
OKUBO MASASHI (JP)
YAGUCHI FUMIHIRO (JP)
USUI HIROAKI (JP)
YAGUCHI FUMIHIRO (JP)
USUI HIROAKI (JP)
Application Number:
PCT/JP2003/017012
Publication Date:
September 10, 2004
Filing Date:
December 26, 2003
Export Citation:
Assignee:
SHINANO KENSHI CO (JP)
OKUBO MASASHI (JP)
YAGUCHI FUMIHIRO (JP)
USUI HIROAKI (JP)
OKUBO MASASHI (JP)
YAGUCHI FUMIHIRO (JP)
USUI HIROAKI (JP)
International Classes:
F04B43/00; F04B43/04; F04B45/047; (IPC1-7): F04B45/047; H02K33/00
Foreign References:
| JPS5647279U | 1981-04-27 | |||
| JPH0618076Y2 | 1994-05-11 | |||
| JP2003013862A | 2003-01-15 | |||
| JP3291468B2 | 2002-06-10 | |||
| JPH02112981U | 1990-09-10 | |||
| JPS6483870A | 1989-03-29 | |||
| JPH0777164A | 1995-03-20 | |||
| JP3090496U | 2002-12-13 | |||
| JP2002355798A | 2002-12-10 | |||
| JP3367669B2 | 2003-01-14 | |||
| JP2000004569A | 2000-01-07 |
Attorney, Agent or Firm:
Watanuki, Takao (12-9 Nakagosho 3-chom, Nagano-shi Nagano, JP)
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