.~.~ Pilot valve controlled distributor motor (461) {9}
308
.~.~.~ Fluid-operated pilot valve
DEFINITION
Classification: 91/308
(under subclass 304) Apparatus in which the pilot valve is moved by a fluid operated motor controlled by position of the output motor working member or pressure in the output motor working chamber.
SEE OR SEARCH THIS CLASS, SUBCLASS:
291+, for cyclically operable motors having working member controlled motive fluid for a distributor motor in which the working member traverses a pilot port in the working chamber side wall, and in which said port controls a separate motor for an intermediate pilot valve.
294, for cyclically operable motors having working member controlled motive fluid for a distributor motor in which the working member traverses a pilot port in the working chamber side wall, and in which said port is further controlled by a pilot valve moved by a separately controlled fluid motor.
305+, for a cyclically operable motor having a working member controlled motive fluid supply for a distributor motor, and including plural pilot valves, one or more of which may be fluid actuated.
