Method and apparatus for controlling the differential speed betw

Details Method and apparatus for controlling the differential speed betw Method and apparatus for controlling the differential speed betw

1986-01-24

1987-05-26

Jenkins, Robert W.

Imperforate bowl: centrifugal separators

With condition responsive means

For controlling drive of driven means within bowl

494 9, 494 37, 494 53, 494 84, B04B 1300

Patent

active

046682139

ABSTRACT:
A method and apparatus for controlling a worm centrifuge wherein the centrifuge drum is driven by a first hydraulic motor and the screw conveyor is driven by a second hydraulic motor and first and second valves are connected to control the flow of hydraulic fluid to the motors and the valves receive the full output of a constant delivery pump. Control of the valves is obtained by a torque measuring device measuring the torque input to the screw conveyor and the torque measuring device has a control which opens the valve to a motor for the screw conveyor with increase in torque and simultaneously closes the valve to the motor to the centrifuged drum proportionately so that the total flow of the pump is utilized by the motors.

REFERENCES:
patent: 4073431 (1978-02-01), Jager
patent: 4228949 (1980-10-01), Jackson
patent: 4240578 (1980-12-01), Jackson
patent: 4411646 (1983-10-01), Cyphelly
patent: 4421502 (1983-12-01), Jakobs
patent: 4432747 (1984-02-01), Posse

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