US PATENT SUBCLASS 417 / 505
.~ Electrically or magnetically actuated distributor


Current as of: June, 1999
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417 /   HD   PUMPS

437  DF  EXPANSIBLE CHAMBER TYPE {40}
505.~ Electrically or magnetically actuated distributor


DEFINITION

Classification: 417/505

(under subclass 437) Apparatus in which the means for controlling the flow of fluid into or out of the chamber comprises valve means which is actuated by an electric current or a magnetic field.

SEE OR SEARCH CLASS

91, Motors: Expansible Chamber Type,

275, for a cyclically operable expansible chamber-type motor having an electrically or magnetically actuated distributor.