Internal combustion engine having hybrid cylinder valve actuatio

Details Internal combustion engine having hybrid cylinder valve actuatio Internal combustion engine having hybrid cylinder valve actuatio

1999-12-13

2000-11-21

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9011, 123308, 123432, F01L 1300, F01L 134

Patent

active

061487791

ABSTRACT:
An internal combustion engine includes a piston reciprocably housed within a cylinder and hybrid intake valves, with one intake valve being driven by a camshaft and at least one intake valve being selectively powered by a power source other than the camshaft, such as a solenoid.

REFERENCES:
patent: 5590627 (1997-01-01), Rygiel et al.
patent: 5592907 (1997-01-01), Hasebe et al.
patent: 5647312 (1997-07-01), Salber et al.
patent: 5669341 (1997-09-01), Ushirono et al.

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