High torque low speed hydraulic motor with rotary valving

Details High torque low speed hydraulic motor with rotary valving High torque low speed hydraulic motor with rotary valving

1985-04-12

1986-01-07

Vrablik, John J.

Rotary expansible chamber devices

Methods

418 61B, 418186, F03C 208, F04C 2113

Patent

active

045631360

ABSTRACT:
A hydraulic torque motor and more particularly a hydraulic torque motor 10 of the internally generated rotor family having a rotatable inner rotor 24 and an orbital outer rotor 26 and which includes an improved rotary valve means 66 for the delivery and exhaust of hydraulic pressure fluid thereto and therefrom.

REFERENCES:
patent: 2989951 (1961-06-01), Charlson
patent: 3490383 (1970-01-01), Parrett
patent: 3680989 (1972-08-01), Brundage
patent: 3825376 (1974-07-01), Petersen et al.
patent: 3846051 (1974-11-01), McDermott
patent: 3905727 (1975-09-01), Kilmer
patent: 3910732 (1975-10-01), Lusztig
patent: 4025243 (1977-05-01), Stephens
patent: 4139335 (1979-02-01), Wusthof et al.
patent: 4264288 (1981-04-01), Wusthof et al.

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