US PATENT SUBCLASS 91 / 396
.~.~ Part forms throttle member

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

392  DF  WORKING MEMBER POSITION RESPONSIVE MOTIVE FLUID CONTROL {9}
394  DF  .~ Working member carries part within working chamber which controls port in chamber end wall {2}
396.~.~ Part forms throttle member

DEFINITION

Classification: 91/396

(under subclass 394) Apparatus in which the part carried by the working member is smaller than said opening so as not to completely close the opening or is of tapering or irregular shape so as to progressively or irregularly close or open said opening on continued movement of said part.