US PATENT SUBCLASS 123 / 226
.~.~.~.~ Compression means disposed in rotor

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

200  DF  ROTARY {12}
221  DF  .~ With transfer means intermediate single compression volume means and single expansion volume means {5}
223  DF  .~.~ Reciprocating or oscillating compression volume means {1}
224  DF  .~.~.~ Radially spaced from expansion volume means {2}
226.~.~.~.~ Compression means disposed in rotor {1}
227  DF  .~.~.~.~.~> Vane acts as compression means

DEFINITION

Classification: 123/226

Compression means disposed in rotor:

(under subclass 224) Apparatus wherein the compression volume means is mounted on the rotary piston structure.