US PATENT SUBCLASS 91 / 229
.~.~ Distributor operated by abutment with cylinder head

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

218  DF  CYCLICALLY OPERABLE {34}
222  DF  .~ Distributor in piston (422) {6}
229.~.~ Distributor operated by abutment with cylinder head

DEFINITION

Classification: 91/229

(under subclass 222) Apparatus in which the distributor is cyclically moved by a part thereof contacting the cylinder head in the working chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

228, for cyclically operable motors having separate distributors for inlet and exhaust in the piston, one of said distributors usually being moved by contacting the cylinder head in the working chamber.