US PATENT SUBCLASS 418 / 53
.~.~ Axially spaced working chambers

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

49  DF  NUTATING WORKING MEMBER {3}
52  DF  .~ Working member common to plural working chambers {1}
53.~.~ Axially spaced working chambers

DEFINITION

Classification: 418/53

(under subclass 52) Apparatus in which the working chambers are spaced in a direction generally along or parallel to the working member axis about which it wobbles.