US PATENT SUBCLASS 123 / 21
CONVERTIBLE CYCLE


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

21CONVERTIBLE CYCLE


DEFINITION

Classification: 123/21

Internal-combustion engines having a cylinder and a working piston-reciprocating therein, but irrespective of other structural features, in which means are provided whereby the mode of operation of the engine may be determined and the engine caused to operate upon either a two-stroke or a four-stroke cycle.