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AUXILIARY HYDRAULIC POWER SUPPLY

  • US 3,800,534 A
  • Filed: 03/27/1972
  • Issued: 04/02/1974
  • Est. Priority Date: 03/27/1972
  • Status: Expired due to Term
First Claim
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1. An auxiliary power supply system, comprising, a. a turbine wheel adapted to be driven by hot gas to provide mechanical power, b. a chamber for decomposition of fuel to produce hot gas, c. a hot gas conduit connecting the decomposition chamber and the turbine wheel to supply hot gas to drive the wheel, d. a fuel pump driven by the turbine wheel for supplying fuel to the decomposition chamber, e. a fuel outlet conduit connecting the pump outlet and the decomposition chamber, f. a fuel tank for storing fuel to be supplied to the decomposition chamber, g. a fuel inlet conduit connecting the fuel tank and the pump inlet, h. a start chamber communicable with the decomposition chamber for containing starting fuel for initiating turbine operation to start the fuel pump, i. flow control valve means in the outlet conduit responsive to turbine speed for regulating fuel flow from the pump to the decomposition chamber to control turbine speed, j. a secondary control valve in one of said conduits for blocking fuel flow between the tank and the decomposition chamber, k. control means responsive to the speed of the turbine for opening the secondary control valve when the turbine attains a predetermined minimum speed.

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