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Two-piece manifold system for pressure sensing transmitters

  • US 6,176,262 B1
  • Filed: 09/13/1999
  • Issued: 01/23/2001
  • Est. Priority Date: 09/14/1998
  • Status: Expired due to Term
First Claim
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1. A two-piece manifold system, comprising:

  • a base manifold having first and second spaced apart sides, first and second internal passageways, and first and second flow control valves, said first sides having a first inlet port and a second inlet port provided therein and said second side having a first outlet port and a second outlet port provided therein, said first internal passageway providing fluid communication between said first inlet port and said first outlet port and said second internal passageway providing fluid communication between said second inlet port and said second outlet port, said first flow control valve being arranged to selectively control fluid flow through said first passageway, and said second flow control valve being arranged to selectively control fluid flow through said second passageway;

    a functional control manifold having a first side adapted to mate with said second side of the base manifold and a second side spaced from the first side and adapted to mate with a predefined mounting surface of a test instrument, first, second and third internal passageways, and at least one flow control valve, said first side having a first inlet port and a second inlet port provided therein at a position arranged to respectively mate with the first and second outlet ports of the base manifold and said second side having a first outlet port and a second outlet port provided therein, said first internal passageway providing fluid communication between said first inlet port and said first outlet port, said second internal passageway providing fluid communication between said second inlet port and said second outlet port, and said third internal passageway providing fluid communication between said first internal passageway and said second internal passageway, and said at least one flow control valve being arranged in said functional control manifold to selectively control fluid flow through said third passageway;

    means for attaching said functional control manifold to said base manifold; and

    means for attaching said functional control manifold to said test instrument.

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