Valve timing adjusting device
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United States of America Patent
Stats
-
Jan 9, 2018
Issued Date -
N/A
app pub date -
Apr 6, 2016
filing date -
Apr 8, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve timing adjusting device includes a housing, a vane rotor, a sleeve, and a spool. The housing includes a timing pulley connected to a crank shaft through a dry belt, and rotates in association with the crank shaft. The sleeve includes a supply port, a drain port, a first control port, a second control port, and a first drain oil channel. The spool includes an oil connection channel that is arranged at an axial center portion of the spool and controls the supply port to be connected with the first control port or the second control port depending on an axial-direction position. The drain port is connected with a first drain space through a second drain oil channel. A second drain space is connected with the first drain space through a third drain oil channel that is provided to span the vane rotor and the cam shaft.
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Family
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Cited Art Landscape
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