Variable valve control apparatus

Details Variable valve control apparatus Variable valve control apparatus

1999-01-28

2000-03-14

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9018, 123 9031, F01L 1300, F01L 134

Patent

active

060358181

ABSTRACT:
A variable valve control apparatus which is capable of reducing the size of the entire apparatus. A rotary member is assembled with a timing pulley by a bolt so that it rotates together with the timing pulley. A cylinder head supports the rotary member rotatably but axially immovably. The rotary member supports an intake camshaft rotatably and axially movably. Even if the intake camshaft is axially moved and changed in rotational phase relative to the timing pulley as arc-shaped gears move axially, the rotational phase between an exhaust camshaft and the timing pulley does not change.

REFERENCES:
patent: 4517936 (1985-05-01), Burgio di Aragona
patent: 4693214 (1987-09-01), Titolo
patent: 4858572 (1989-08-01), Shirai et al.
patent: 5080055 (1992-01-01), Komatsu et al.
patent: 5381764 (1995-01-01), Fukuma et al.
patent: 5765518 (1998-06-01), Nakano
patent: 5893345 (1999-04-01), Sugimoto et al.
patent: 5924397 (1999-07-01), Moriya et al.
SAE 910009, Titolo, "The Variable Valve Timing System," 1991.

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