US PATENT SUBCLASS 417 / 73
.~ By ignition of motive fluid


Current as of: June, 1999
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417 /   HD   PUMPS

65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
73.~ By ignition of motive fluid {2}
74  DF  .~.~> With pumped fluid condition responsive ignition means
75  DF  .~.~> With fluid momentum utilizing means


DEFINITION

Classification: 417/73

(under subclass 65) Apparatus comprising a pumping chamber into which pump fluid is alternately introduced and expelled, the pumping being effected by burning of motive fluid and application of the products of combustion to the chamber.