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Valve manifold

  • US 20070204921A1
  • Filed: 03/01/2006
  • Published: 09/06/2007
  • Est. Priority Date: 03/01/2006
  • Status: Abandoned Application
First Claim
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1. An apparatus comprising:

  • a chamber;

    a cylinder having a bore open at one end thereof, a vent connecting the bore to the chamber;

    a plunger comprising;

    a shaft having a radial dimension less than an inner diameter of the cylinder;

    a seal substantially the same radial dimension as the inner diameter of the cylinder;

    a plunger constraint adjacent the open end of the cylinder, the constraint comprising a slot to constrain the plunger from moving about the cylinder axis.

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