US PATENT SUBCLASS 417 / 379
.~.~ With motive fluid generator

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
375  DF  .~ Fluid motor {9}
379.~.~ With motive fluid generator {5}
380  DF  .~.~.~> Internal-combustion engine
381  DF  .~.~.~> Combustion products generator for motor
382  DF  .~.~.~> Plural pumping members; one additionally supplying motive fluid for second
383  DF  .~.~.~> Pulsator or fluid link {3}
390  DF  .~.~.~> Fluid pump

DEFINITION

Classification: 417/379

(under subclass 375) Apparatus in which there is provided significantly claimed motive fluid generating apparatus (e.g., pump boiler, etc.) for either (1) increasing the pressure or velocity of a fluid which is used to motivate the fluid motor or (2) decreasing the pressure of a fluid which is withdrawn from the fluid motor to allow atmospheric or ambient pressure fluid to cause motivation of the fluid

motor.