US PATENT SUBCLASS 418 / 34
.~ Moving cylinder

Current as of: June, 1999
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418 /   HD   ROTARY EXPANSIBLE CHAMBER DEVICES

33  DF  INTERMITTENTLY ACCELERATED AND RECEDING MEMBERS ROTATE IN SAME PATH (ALTERNATING PISTON TYPE) {2}
34.~ Moving cylinder

DEFINITION

Classification: 418/34

(under subclass 33) Apparatus in which one of the members comprises an outer movable cylinder having a surface against which motive fluid acts surrounding a member having a surface of substantially like dimension against which the motive fluid reacts.