US PATENT SUBCLASS 123 / 239
.~.~ Compression volume means radially disposed relative to expansion volume means

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}
239.~.~ Compression volume means radially disposed relative to expansion volume means {1}
240  DF  .~.~.~> Concentric

DEFINITION

Classification: 123/239

Compression volume means radially disposed relative to expansion volume means:

(under subclass 221) Apparatus wherein the means to pressurize the combustible material is spaced from the means to receive the combusted material on a line radiating from the center or approximate center of the combusted material receiving means.