Camshaft phase changing device

Details Camshaft phase changing device Camshaft phase changing device

1995-08-25

1997-01-14

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9031, F01L 1344

Patent

active

055929109

ABSTRACT:
A camshaft phase changing device has a pair of axially-spaced annular front and rear gears disposed and engaged between co-axial drive and driven members. An annular piston is mounted to the annular rear gear by a plurality of piston pins. The piston pins pass through openings of the rear gear toward the front gear. Each of the openings is dimensioned to provide a clearance around the corresponding one of the piston pins and keep the rear gear out of contact with outer surface of the corresponding piston pin.

REFERENCES:
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patent: 5033327 (1991-07-01), Lichti et al.
patent: 5088456 (1992-02-01), Suga
patent: 5119691 (1992-06-01), Lichti et al.
patent: 5163872 (1992-11-01), Niemiec et al.
patent: 5197421 (1993-03-01), Hara
patent: 5203290 (1993-04-01), Tsuruta et al.
patent: 5309873 (1994-05-01), Suga et al.
patent: 5377639 (1995-01-01), Nakadouzono et al.

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