Hydraulic servo-motor

Details Hydraulic servo-motor Hydraulic servo-motor

1975-06-02

1977-09-27

Dority, Jr., Carroll B.

Internal-combustion engines

Igniters

Incandescent

91366, 91378, 91391R, 123139ST, F02D 106

Patent

active

040504344

ABSTRACT:
A hydraulic servo-motor for the control of an internal combustion engine which is equipped with a servo-piston, with a fuel quantity control mechanism and with a control slide valve member arranged coaxially to the servo-piston which itself is in operative connection with a centrifugal governor; a working medium under pressure is supplied by a pump driven directly or indirectly by the internal combustion engine; an auxiliary piston arranged coaxially to the servo-piston and to the control slide valve member is acted upon by the pressure of the working medium and permits in case of an existing pressure of the working medium, a stroke of the control slide valve member in one direction which is limited by the servo-piston and a stroke of the control piston in the other direction which is limited by the auxiliary piston; a spring supported at the servo-piston acts on the auxiliary piston opposite the pressure of the working medium and clamps together the control slide valve member and the servo-piston in case of absence of pressure in the working medium.

REFERENCES:
patent: 2602655 (1952-07-01), Gesner
patent: 2619075 (1952-11-01), Holloway
patent: 2868184 (1959-01-01), Moulton
patent: 2879754 (1959-03-01), Von Kienlin et al.
patent: 3499426 (1970-03-01), Bailey

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