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Check valve and trap assembly

  • US 5,797,426 A
  • Filed: 04/10/1997
  • Issued: 08/25/1998
  • Est. Priority Date: 04/10/1997
  • Status: Expired due to Term
First Claim
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1. A combination one way check valve and fluid trap device for use with fluid drain systems used to remove condensate moisture from apparati such as air conditioners, coolers and ice makers, the device comprising a float housing directly connected to a generally U-shaped fluid trap, said float housing containing a ball float positioned on a float seat, a float seal contained within said float seat, said float seal comprising an O-ring, said fluid trap comprising an inflow conduit segment having an inflow opening for connection to the outflow opening of a fluid drain system, an outflow conduit segment connected to said inflow conduit segment, said outflow conduit segment having an outflow outlet connected to said float seat, whereby said ball float is sealingly seated only on said float seal within said float seat unless water flows through said fluid trap, such that no water or gas can enter said fluid trap through said outflow opening.

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