US PATENT SUBCLASS 91 / 239
.~.~ Distributor for inlet or first exhaust controls second exhaust passage

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

218  DF  CYCLICALLY OPERABLE {34}
236  DF  .~ Multiple exhaust passages (e.g., compression control) {5}
239.~.~ Distributor for inlet or first exhaust controls second exhaust passage

DEFINITION

Classification: 91/239

(under subclass 236) Apparatus in which a distributor is moved to cyclically control inlet of fluid to an expansible chamber, or to control exhaust of fluid from the expansible chamber through a first exhaust passage, and said distributor, or means rigidly attached thereto, directly controls the second exhaust passage.

(1) Note. The second exhaust passage may be a passage which also acts as an admission passage for the expansible chamber.