Valve assembly

Details Valve assembly Valve assembly

2005-08-05

2008-12-16

Hepperle, Stephen M (Department: 3753)

Fluid handling

Systems

Dividing into parallel flow paths with recombining

C137S516250, C137S601200, C137S624140

Reexamination Certificate

active

07464724

ABSTRACT:
A valve assembly, includes a first lumen; a second lumen providing fluid communication between a plurality of points in said first lumen; and a ball and spring assembly sealingly disposed in said first lumen between said plurality of points, wherein said spring exerts a force on said ball to seal said first lumen; wherein said valve assembly is configured to oscillate a pressure of a fluid passing through said valve assembly.

REFERENCES:
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patent: 2841174 (1958-07-01), Frye
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patent: 5474104 (1995-12-01), Borland et al.
patent: 5634229 (1997-06-01), Stoltz
patent: 5725013 (1998-03-01), Premiski et al.
patent: 6098228 (2000-08-01), Chang
patent: 6186423 (2001-02-01), Chapman
patent: 6491056 (2002-12-01), Gibb
patent: 2003/0029929 (2003-02-01), Rosenberg

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