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Fuel-control manifold with broad-range temperature and pressure capability

  • US 7,318,426 B2
  • Filed: 10/05/2001
  • Issued: 01/15/2008
  • Est. Priority Date: 10/05/2001
  • Status: Expired due to Term
First Claim
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1. A fuel-control manifold, comprising:

  • a non-integral body comprising at least three pieces joined together and including an upper body segment, a middle body segment, and a lower body segment;

    a tank port in the upper body segment;

    an engine supply port in the upper body segment;

    a fueling port in the upper body segment;

    a shutoff valve in the upper body segment, the shutoff valve including a controllable shutoff valve closure having a shutoff-valve first side in fluid flow communication with the tank port and a shutoff-valve second side in fluid flow communication with the engine supply port and with the fueling port;

    a defueling port in the lower body segment;

    a vent port in the upper body segment; and

    a defuel/vent valve in the middle body segment, the defuel/vent valve comprisinga controllable ball-valve defueling closure having a defueling-valve first side in fluid-flow communication with the shutoff-valve second side and a defueling-valve second side in fluid-flow communication with the defueling port, anda controllable ball-valve vent closure having a vent-valve first side in fluid-flow communication with the vent port, and a vent-valve second side in fluid-flow communication with the defueling-valve second side,wherein the defuel/vent valve has no elastomeric materials therein,wherein the defueling closure and the vent closure are mounted on a common defuel/vent valve stem, andwherein the defueling closure and the vent closure cannot be open at the same time.

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