VARIABLE PHASER FOR AUTOMOBILE ENGINE
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United States of America Patent
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N/A
Issued Date -
Sep 3, 2015
app pub date -
Oct 9, 2012
filing date -
Oct 9, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a variable phaser for an engine including a drive rotating member having a cylindrical section and driven by a crank shaft, a cam shaft coaxially supporting the drive rotating member in a coaxial and relatively rotating fashion, a relative phase angle changing mechanism, and a self-locking mechanism preventing the misalignment of the relative phase angle due to the cam torque by pressing the lock plate held on a holding section integral with the cam shaft to an inner circumferential surface of the cylindrical section, plate-pressing surfaces disposed at positions almost equally separated along an outer circumferential direction of an outer circumference of the holding section, and a plurality of lock plates equally separated in correspondence to the plate-pressing surfaces are formed, and the respective plate-pressing surfaces are formed by first and second pressing surfaces for delivering the cam torques along advance and lag directions to the respective lock plates.
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