Dual independent phasing system to independently phase the...

Details Dual independent phasing system to independently phase the... Dual independent phasing system to independently phase the...

2009-10-01

2011-11-08

Chang, Ching (Department: 3748)

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

C123S090150, C464S160000

Reexamination Certificate

active

08051818

ABSTRACT:
A dual independent phasing system (DIPS) phaser assembly for coaxial camshafts having two axially stacked, thin phasing subassemblies which are each conventional vane-cell type phaser assemblies is provided. These phasers are preassembled together as a unit to make one DIPS phaser assembly. The rotor of the rear phaser is attached to the outer camshaft of the coaxial cam, and the rotor of the front phaser is attached to the inner camshaft. The radial force from the timing chain or belt is transmitted to the outer camshaft via a chain ring or pulley connected to the stator of the rear phaser. In order to provide for ease of mounting, the DIPS phaser assembly (including the front and rear phasers) is attached to the outer camshaft via mounting bolts which are passed through openings in the rotor of the front phaser in order to attach the rear phaser rotor to the outer camshaft. A central mounting bolt is used to connect the front phaser rotor to the inner camshaft. A radially stacked DIPS phaser assembly is also provided which offers further reduced axial space requirements.

REFERENCES:
patent: 4858572 (1989-08-01), Shirai et al.
patent: 6805080 (2004-10-01), Golovatai-Schmidt et al.
patent: 7563986 (2009-07-01), Shitamura
patent: 7841311 (2010-11-01), Hutcheson et al.
patent: 102005039751 (2007-03-01), None
patent: 102006024793 (2007-11-01), None
patent: 102006028611 (2007-12-01), None

Affiliated with

Also associated with

Rating

Dual independent phasing system to independently phase the... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Dual independent phasing system to independently phase the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dual independent phasing system to independently phase the... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4279235