.~ Distributor forms traversed movable portion of working chamber wall (423)
DEFINITION
Classification: 91/276
(under subclass 218) Apparatus in which the distributor comprises a movable fluid control element which is arranged so as to completely encompass the working member in a plane transverse to the reciprocatory path of said working member, the working member reciprocating relative to the fluid control element, and the fluid control element forming a portion of the working chamber wall.
SEE OR SEARCH THIS CLASS, SUBCLASS:
173, for expansible chamber motors wherein a working member forms a movable chamber for another and also forms a movable distributor therefor.
423, for a motive fluid valve which forms a movable chamber wall portion traversed by a working member.
SEE OR SEARCH CLASS
417, Pumps, 509, for expansible chamber pumps in which the pump fluid is controlled by a valve means which is formed by a movable portion of the pump chamber wall traversed by the pumping member.
