US PATENT SUBCLASS 91 / 416
.~ Opposing pressure applied by bypassing


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

415  DF  DIFFERENTIAL {2}
416.~ Opposing pressure applied by bypassing


DEFINITION

Classification: 91/416

(under subclass 415) Apparatus in which the motive fluid which acts in one of the expansible chambers is supplied directly thereto from the other expansible chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23, for double acting expansible chamber motors in which motive fluid is supplied to the contracting chamber from the expanding chamber to cushion movement of the working member and additional motive fluid is supplied to said contracting chamber through a different path.

224, for cyclically operable expansible chamber motors of the differential type in which opposed working chambers are placed in communication through a valved piston.

235, for cyclically operable motors in which one working chamber receives controlled motive fluid supply from an opposed chamber having constant supply.

399, for expansible chamber motors in which in response to position of the working member motive fluid is by-passed from an expanding working chamber to a closed contracting chamber.