Pump

Details Pump Pump

2006-04-14

2009-10-13

Kramer, Devon C (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C417S413100, C417S542000

Reexamination Certificate

active

07600987

ABSTRACT:
A pump includes: a pump chamber for which a capacity is changeable; an inlet channel which allows a working fluid to flow into the pump chamber; an inlet side fluid resistance element disposed between the pump chamber and the inlet channel; an outlet channel which allows the working fluid to flow out of the pump chamber; and a pipeline element formed inside the outlet channel, wherein a rotational flow generation structure, which generates a rotational flow of the working fluid, is provided in the pump chamber, and wherein the outlet channel is located adjacent to the rotational center of the rotational flow.

REFERENCES:
patent: 4662908 (1987-05-01), Suzuki et al.
patent: 4690762 (1987-09-01), Katsura
patent: 4895500 (1990-01-01), Hok et al.
patent: 5240477 (1993-08-01), Yamaga et al.
patent: 5259737 (1993-11-01), Kamisuki et al.
patent: 6240962 (2001-06-01), Tai et al.
patent: 6623256 (2003-09-01), Takagi et al.
patent: 6749407 (2004-06-01), Xie et al.
patent: A-1372078 (2002-10-01), None
patent: 09151838 (1997-06-01), None
patent: B2 2975105 (1999-09-01), None
patent: A 11-333207 (1999-12-01), None
patent: A 2005-305235 (2005-11-01), None
“The High Power Micro Pump Using Interial Effect of Fluid”; Japan Mechanical Society Journal 2003; vol. 106, No. 1019; p. 823 with translation.

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