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Fluid control device including automatic valve

  • US 5,267,964 A
  • Filed: 03/23/1992
  • Issued: 12/07/1993
  • Est. Priority Date: 03/23/1992
  • Status: Expired due to Fees
First Claim
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1. A fluid control device comprising:

  • a fluid source coupled to a manifold having a first opening;

    a delivery means including means for creating a vacuum pressure and a positive pressure and including a member for receiving a fluid, the delivery means being coupled to the body at a second opening of the manifold;

    a fluid conduit coupled to a third opening of the manifold; and

    the manifold defining in an interior thereof, a first fluid path from the first opening to the second opening and a second fluid path from the second opening to the third opening, the manifold including a diaphragm for fluidly closing both the first fluid path and the second fluid path when the diaphragm is in a first static position and automatically allowing fluid flow through the first fluid path upon the exertion of a vacuum pressure by the delivery means and for allowing fluid flow through the second fluid path upon the exertion of a positive pressure by the delivery means.

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