Device for automatically varying the timing of a camshaft

Details Device for automatically varying the timing of a camshaft Device for automatically varying the timing of a camshaft

1983-05-05

1985-08-20

Koczo, Michael

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, F01L 134

Patent

active

045357315

ABSTRACT:
This invention relates to a device for automatically varying the timing of a camshaft relative to the drive shaft of an internal combustion engine, comprising an axially slidable splined sleeve which connects the camshaft to its drive pulley, and is operated by the engine lubricating oil in such a manner as to change the angular position of said camshaft by way of valve means controlled by an electromagnetic actuator as a function of at least one engine parameter.

REFERENCES:
patent: 2191459 (1940-02-01), Duncan
patent: 3258937 (1966-07-01), Kranc et al.
patent: 3978829 (1976-09-01), Takahashi et al.
patent: 4231330 (1980-11-01), Garcea

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