Engine with intake valves operated by camshaft

Details Engine with intake valves operated by camshaft Engine with intake valves operated by camshaft

2006-09-18

2008-09-16

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C123S348000

Reexamination Certificate

active

07424874

ABSTRACT:
In a V-type 8-cylinder engine in which the torque for rotating an intake camshaft is higher when intake valves of a #1 cylinder and a #3 cylinder in a left bank are closed, respective noses of a cam for opening and closing the intake valve of the #1 cylinder and a cam for opening and closing the intake valve of the #3 cylinder are each formed at a phase position displaced by X° (X>0) in the advance direction further from the phase position displaced in the advance direction by 90° with respect to the nose of a cam for opening and closing the intake valve of a cylinder fired after a delay of 180° in crank angle.

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