US PATENT SUBCLASS 123 / 228
.~.~ Compression volume means circumferentially disposed relative to expansion volume means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
228.~.~ Compression volume means circumferentially disposed relative to expansion volume means {4}
229  DF  .~.~.~> Transfer means in rotor
230  DF  .~.~.~> Compression volume is also expansion volume
231  DF  .~.~.~> Vane
232  DF  .~.~.~> Interengaging rotors {1}

DEFINITION

Classification: 123/228

Compression volume means circumferentially disposed relative to expansion volume means:

(under subclass 221) Apparatus wherein the means to pressurize the combustible material is distally located from the means to receive the combusted material on a closed curvilinear boundary about the axis of rotation of the piston structure.