Camshaft phase changing device

Details Camshaft phase changing device Camshaft phase changing device

1996-08-09

1998-03-03

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9031, 74568R, F01L 1344

Patent

active

057223564

ABSTRACT:
A variable camshaft phase changing device comprises two axially-spaced annular gears disposed and engaged between a drive and a driven member, a plurality of coil springs compressed between the annular gears to bias one apart from the other, and an annular piston having a plurality of pins which pass through one and the other of the annular gears. The plurality of pins have heads arranged to come into driving relation with the other of the annular gears.

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patent: 5209193 (1993-05-01), Uchida et al.
patent: 5309873 (1994-05-01), Suga et al.
patent: 5447126 (1995-09-01), Kondoh et al.

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