Servomotor with position feedback

Details Servomotor with position feedback Servomotor with position feedback

1977-03-07

1978-08-08

Song, Robert R.

Motor vehicles

Including one or more ski-like or runner members

With at least one surface-engaging propulsion element

123103R, 180105E, B60K 3100

Patent

active

041050886

ABSTRACT:
A vehicle road speed control system has a differential pressure actuated servomotor as a part of a power unit including an integral solenoid controlled valve assembly. The servomotor and valve assembly includes a servomotor output position feedback path. The solenoid valve assembly is of the repulsion armature type with the load spring coupled to the servomotor power wall to introduce position feedback. Two modifications of the valve orifice control arrangement are disclosed.

REFERENCES:
patent: 3157244 (1964-11-01), McMurray et al.
patent: 3195672 (1965-07-01), Brennan
patent: 3319733 (1967-05-01), Rath et al.
patent: 3405779 (1968-10-01), Johnson
patent: 3419105 (1968-12-01), Hagler et al.
patent: 3556245 (1971-01-01), Radin
patent: 3644813 (1972-02-01), Schoendorff
patent: 3752249 (1973-08-01), Gelenius
patent: 3869019 (1975-03-01), Cardani
patent: 3921751 (1975-11-01), Sakakibara

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