Valve operation control system

Details Valve operation control system Valve operation control system

1993-01-29

1994-08-30

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9031, 464 2, F01L 134

Patent

active

053417771

ABSTRACT:
A valve operation control system for an internal combustion engine having a cam-shaft and a crank-shaft has an adjusting device for adjusting a phase difference between the cam-shaft and the crank-shaft by being supplied with hydraulic pressure, a driving device integrated with the adjusting device and having an oil pump driven by the cam-shaft and a hydraulic pressure line between the oil pump and the adjusting device, and a hydraulic pressure control device disposed in the hydraulic pressure line for regulating the hydraulic pressure to be supplied to the adjusting device.

REFERENCES:
patent: 5067450 (1991-11-01), Kano et al.
patent: 5090365 (1992-02-01), Hotta et al.
patent: 5189999 (1993-03-01), Thoma

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