Valve timing adjusting apparatus
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United States of America Patent
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May 31, 2016
Grant Date -
May 28, 2015
app pub date -
Nov 21, 2014
filing date -
Nov 22, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A vane rotor includes a laminated portion and seal portions. The laminated portion includes a plurality of metal plates, which are stacked in an axial direction. The seal portions are placed on two axially opposite sides of each of an advancing port, a retarding port, and a supply port. Each seal portion is configured into an annular form to extend along an outer peripheral surface of a sleeve in a circumferential direction and is engaged with the laminated portion to limit deformation of the seal portion toward a radially outer side. The seal portion is made of a material that has a thermal expansion coefficient, which is larger than a thermal expansion coefficient of a material of each metal plate.
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