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Patent Searching and Data


Title:
MICRODIAPHRAGM PUMP
Document Type and Number:
WIPO Patent Application WO/2013/046330
Kind Code:
A1
Abstract:
A microdiaphragm pump which has a diaphragm chamber that makes contact with one side of an intake valve and a discharge valve, and which is equipped with: two valve plate sheets (12), which are stacked facing each other and reversed with respect to one another, and in each of which a valve plate (14) of either the intake valve (26) or the discharge valve (28) and a flow path aperture (16) that is the flow path of the other valve are formed; two valve seat sheets (18), which are stacked on this stacked body of the aforementioned valve plate sheets and in each of which a valve seat (20) and a valve stopper (22) are formed; a base plate (32); a frame body (34); a diaphragm (36); and a drive element (42). This microdiaphragm pump has extremely small external dimensions, good productivity, highly precise flow volume control, and operates smoothly, has large suction force and discharge force, and is highly reliable.

Inventors:
KABASAWA, Yasunari (2161-21, Miyama-cho, Hachioji-sh, Tokyo 52, 〒1920152, JP)
椛澤康成 (〒52 東京都八王子市美山町2161-21 株式会社菊池製作所内 Tokyo, 〒1920152, JP)
Application Number:
JP2011/072056
Publication Date:
April 04, 2013
Filing Date:
September 27, 2011
Export Citation:
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Assignee:
KIKUCHI SEISAKUSHO CO., LTD. (2161-21, Miyama-cho Hachioji-sh, Tokyo 52, 〒1920152, JP)
株式会社菊池製作所 (〒52 東京都八王子市美山町2161-21 Tokyo, 〒1920152, JP)
KABASAWA, Yasunari (2161-21, Miyama-cho, Hachioji-sh, Tokyo 52, 〒1920152, JP)
International Classes:
F04B43/02; F04B43/04; F04B45/04; F04B45/047
Foreign References:
JPH0434478U
JP2005083212A
JP2006242176A
JP2000274374A
JPH11287187A
JP2005307858A
JP2009236284A
JP2006161779A
JPH0693972A
JPH051669A
JPH10299659A
Other References:
See also references of EP 2762725A4
Attorney, Agent or Firm:
YAMADA, Fumio et al. (Ohba Bldg.A, 2F28-4, Maruyama-ch, Shibuya-ku Tokyo 44, 〒1500044, JP)
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Claims: