US PATENT SUBCLASS 418 / 19
.~ Intermeshing rotary members


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

16  DF  WITH CHANGEABLE WORKING CHAMBER MAGNITUDE {10}
19.~ Intermeshing rotary members {2}
20  DF  .~.~> Three or more
21  DF  .~.~> Movable member moved axially


DEFINITION

Classification: 418/19

(under subclass 16) Apparatus comprising a plurality of rotating members having undulating or tooth-like surface projections disposed to maintain a substantially fixed straight line of contact therebetween against which working fluid reacts; at least one of the rotatable members being a working member.