Valve opening/closing timing control device
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United States of America Patent
Stats
-
Jan 23, 2018
Grant Date -
Aug 18, 2016
app pub date -
Nov 18, 2014
filing date -
Nov 29, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The valve opening/closing timing control device includes: an advancing chamber and a retarding chamber that are formed by partitioning a fluid pressure chamber that is formed between a driving rotating body and a driven rotating body that is located on an inner circumference side of the driving rotating body so as to be relatively rotatable, with a partitioning portion that is provided on an outer circumference side of the driven rotating body; an advancing channel that is in communication with the advancing chamber; and a retarding channel that is in communication with the retarding chamber. The driven rotating body has a first member and a second member, and the advancing channel and the retarding channel are formed to penetrate through a boundary between the first member and the second member after the first member and the second member have been installed.
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