Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1974-12-06
1976-09-07
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123102, 123103R, F02D 104, F02M 3900
Patent
active
039788377
ABSTRACT:
An automatic speed control device for a diesel engine including a closed control circuit for controlling the power fuel supply. Said means comprise a hydraulic adjusting device which is on/off operative dependent on an error signal. The device comprises a working cylinder with a movable working piston to one end of which a hydraulic or pneumatic control pressure medium is supplied directly, and to the other end of which indirectly via a predetermined volume of a hydraulic liquid, which is fed to the working cylinder through a pipe with a control valve. The control valve delimits in its closed position a portion of the hydraulic liquid to the space between the valve and the working piston. Separating means are provided to prevent mixing of hydraulic liquid and control pressure medium for maintaining the incompressibility of the liquid and make possible a distinct step-by-step control of the position of the working piston. A mechanical coupling is provided so as to transform the translational movement of the piston to a rotational movement such that the turning angle increases with an increasing engine load.
REFERENCES:
patent: 3587540 (1971-06-01), Hofmann
patent: 3630177 (1971-12-01), Engel
patent: 3682145 (1972-08-01), Ohtani
patent: 3796197 (1974-03-01), Locher
patent: 3815564 (1974-06-01), Suda
Cox Ronald B.
Myhre Charles J.
Trifari Frank R.
U.S. Philips Corporation
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