Lubricating system of a valve mechanism for a double overhead ca

Details Lubricating system of a valve mechanism for a double overhead ca Lubricating system of a valve mechanism for a double overhead ca

1989-10-23

1990-07-24

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123196R, 184 65, F01M 106

Patent

active

049428551

ABSTRACT:
A lubricating system has a main oil gallery provided for supplying pressurized oil, a first gallery connected with the main gallery for supplying first lubricating oil to the hydraulic valve-lash adjusters. A relief valve is provided for keeping pressure of the first lubricating oil constant. A second gallery is provided for supplying second lubricating oil to journals of the camshafts, and nozzles are provided for lubricating a camshaft and rocker arm for a valve disposed in an upper position than another valve.

REFERENCES:
patent: 4729349 (1988-03-01), Sonoda et al.
patent: 4834219 (1989-05-01), Inagaki et al.
patent: 4858574 (1989-08-01), Fukuo et al.

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