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Patent Searching and Data


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 c/o Shinano Kenshi Kabushiki Kaisha (1078 Ooaza Kamimaruko, Maruko-mach, Chiisagata-gun Nagano, 386-0498, JP)
Yaguchi, Fumihiro c/o Shinano Kenshi Kabushiki Kaisha (1078 Ooaza Kamimaruko, Maruko-mach, Chiisagata-gun Nagano, 386-0498, JP)
Usui, Hiroaki c/o Shinano Kenshi Kabushiki Kaisha (1078 Ooaza Kamimaruko, Maruko-mach, Chiisagata-gun Nagano, 386-0498, JP)
Application Number:
PCT/JP2003/017012
Publication Date:
September 10, 2004
Filing Date:
December 26, 2003
Export Citation:
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Assignee:
SHINANO KENSHI KABUSHIKI KAISHA (1078, Ooaza Kamimaruko Maruko-mach, Chiisagata-gun Nagano, 386-0498, JP)
Okubo, Masashi c/o Shinano Kenshi Kabushiki Kaisha (1078 Ooaza Kamimaruko, Maruko-mach, Chiisagata-gun Nagano, 386-0498, JP)
Yaguchi, Fumihiro c/o Shinano Kenshi Kabushiki Kaisha (1078 Ooaza Kamimaruko, Maruko-mach, Chiisagata-gun Nagano, 386-0498, JP)
Usui, Hiroaki c/o Shinano Kenshi Kabushiki Kaisha (1078 Ooaza Kamimaruko, Maruko-mach, Chiisagata-gun Nagano, 386-0498, JP)
International Classes:
F04B43/00; F04B43/04; F04B45/047; (IPC1-7): F04B45/047; H02K33/00
Foreign References:
JPS5647279U
JPH0618076Y2
JP2003013862A
JP3291468B22002-06-10
JPH02112981U
JPS6483870A
JPH0777164A
JP3090496U
JP2002355798A
JP3367669B2
JP2000004569A
Attorney, Agent or Firm:
Watanuki, Takao (CreA center Building, 12-9 Nakagosho 3-chom, Nagano-shi Nagano, 380-0935, JP)
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