Lubrication and camshaft control system for engine

Details Lubrication and camshaft control system for engine Lubrication and camshaft control system for engine

1995-09-27

1998-02-17

Kamen, Noah P.

Internal-combustion engines

Frame construction

Horizontal cylinder

123 9017, 123 4133, 123 4144, 123196R, 123196AB, F02F 700, F01L 134, F01M 100

Patent

active

057181969

ABSTRACT:
An internal combustion engine having a variable valve timing mechanism with a hydraulic control that is mounted on the front of the cylinder head for ease of accessibility and for ease of conversion of the existing engine. The engine includes an oil filter, oil cooler, and coolant pump, which are disposed and driven in a way so as to maintain short flow paths and permit internal conduits to be formed in the engine so as to avoid the possibility of leakage. The variable valve timing mechanism is controlled by hydraulic pressure supplied by the lubricating system, and a control valve assembly is mounted on the cover for the variable valve timing mechanism with the control passages being formed integrally in this cover. In addition, one of the timing chains may be easily accessed for adjustment without removing the cover through the removal of a bolt that holds an accessory mounting bracket to the engine.

REFERENCES:
patent: 2191459 (1940-02-01), Duncan
patent: 4787345 (1988-11-01), Thoma
patent: 5301639 (1994-04-01), Satou
patent: 5333577 (1994-08-01), Shinojima
patent: 5353755 (1994-10-01), Matsuo et al.
patent: 5406910 (1995-04-01), Wallin
European Search Report dated Oct. 1996.

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