US PATENT SUBCLASS 123 / 662
.~ Multiple annular combustion chambers

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

657  DF  COMBUSTION CHAMBER {11}
662.~ Multiple annular combustion chambers

DEFINITION

Classification: 123/662

Multiple annular combustion chambers:

(under subclass 657) Subject matter wherein the combustion chamber is formed by rotating a plurality of noncontiguous planar shapes through 360 deg. about a fixed central axis to form a plurality of ringlike or annular chambers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

663, for rotated shapes that are connected or touching.