Hypergolic/catalytic actuator

Details Hypergolic/catalytic actuator Hypergolic/catalytic actuator

1986-08-06

1989-05-02

Stout, Donald E.

Internal-combustion engines

Free piston

Single chamber; one piston

13762414, 60258, 60741, F02B 7100

Patent

active

048258199

ABSTRACT:
A fluid-powered actuator has a piston slidably mounted in a cylinder. The piston subdivides the cylinder into first and second end chambers. A plurality of solenoid valves are arranged to selectively inject fuel and oxidizer into either chamber, or to inject liquid oxidizer to react with a solid fuel. Upon contact with one another, the fuel and oxidizer undergo a hypergolic reaction, and the products of this reaction create a pressure sufficient to displace the piston. Alternatively, a mono-propellant fluid fuel may be injected into such chamber. Upon contact with a catalyst in the chamber, the fuel undergoes a disassociation reaction, and the products thereof may be used to displace the piston.

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