Two speed valves and bi-directional motor system

Details Two speed valves and bi-directional motor system Two speed valves and bi-directional motor system

1978-06-13

1980-03-25

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Having selecting means distributing motive fluid between...

60484, 60905, F15B 1116

Patent

active

041943660

ABSTRACT:
A two speed valve and bi-directional motor system is provided having a pair of motors, means for delivering pressure fluid selectively to either side of said motors, a two speed valve means receiving fluid on one side of said motors to selectively direct the fluid to one or both motors to provide high or low speed operation thereof and flow sensing means automatically connecting the discharge from the motors to the one motor not receiving fluid when the two speed valve is shifted to divert all fluid to one motor so that fluid is recirculated through said motor.

REFERENCES:
patent: 3421389 (1969-01-01), Fauchere
patent: 3757524 (1973-09-01), Poyner et al.
patent: 3768263 (1973-10-01), Olson et al.

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