Engine having variable valve timing mechanism

Details Engine having variable valve timing mechanism Engine having variable valve timing mechanism

1997-09-18

1998-12-22

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 906, 74568R, F01L 1344

Patent

active

058508120

ABSTRACT:
An engine includes a crankshaft, a camshaft being driven by the crankshaft for opening and closing intake valves, a variable valve timing mechanism (VVT) attached to one end of the camshaft, which applies torque to the camshaft so as to change the valve timing. The camshaft has an increased outside diameter at a portion adjacent to the VVT as compared to other portions that are more distant from the VVT.

REFERENCES:
patent: 3258937 (1966-07-01), Kranc et al.
patent: 5138985 (1992-08-01), Szodfridt et al.
patent: 5247914 (1993-09-01), Imai et al.
patent: 5483930 (1996-01-01), Moriya et al.

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