US PATENT SUBCLASS 60 / 384
.~ Expansible chamber type volumetric responsive measuring device in series with or driven by output motor operates the motor controller


Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
384.~ Expansible chamber type volumetric responsive measuring device in series with or driven by output motor operates the motor controller


DEFINITION

Classification: 60/384

(under subclass 325) Apparatus including a source of pressurized motive fluid for driving an output motor and having a distinct expansible chamber device: (1) in series with the output motor actuating a control terminating the

flow of motive fluid when it has passed a selected volume of fluid; (2) in series with the output motor establishing the rate of flow through the motor by externally operating the displacement device to pass fluid at a selected rate; or (3) connected to be driven by the output motor to measure the movement of the motor, the displaced liquid actuating a means controlling operation of the motor.

SEE OR SEARCH CLASS

91, Motors: Expansible Chamber Type,

388, for an expansible chamber motor having a fluid operated feedback to the motive fluid controller responsive to the working member position.