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Valve construction

  • US 4,165,763 A
  • Filed: 06/06/1977
  • Issued: 08/28/1979
  • Est. Priority Date: 06/06/1977
  • Status: Expired due to Term
First Claim
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1. A combination of a source of fluid under pressure, a plurality of independent fluid distribution passageways and a valve intermediate said source and passageways for controlling fluid flows from said source to predetermined numbers of said passageways;

  • said valve including a housing having a fluid inlet connected to said source and fluid outlets spaced from said inlet and being connected to corresponding fluid distribution passageways, and a valve piece mounted within said housing for movement between selected positions of adjustment, said valve piece being disposed intermediate said housing inlet and outlets and provided with first and second fluid passages communicating with said housing inlet and a first predetermined number of said housing outlets, when said valve piece is in a first selected position of adjustment, and a third fluid passage having one end thereof communicating with said second passage and the opposite end thereof terminating at the exterior of said valve piece and being spaced from said first and second passages;

    the said opposite end of said third passage being in communication with said housing fluid inlet and said first passage being out of communication with said housing fluid inlet only when said valve piece is in a second selected position of adjustment, said second passage being in communication with said housing inlet and at least one housing outlet, when said valve piece is in either said first or second selected position of adjustment.

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