Multiple valve device
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United States of America Patent
Stats
-
Nov 15, 2016
Grant Date -
Apr 23, 2015
app pub date -
May 22, 2013
filing date -
May 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A valve housing of a multiple valve device is formed by being split into two parts, that is, a first housing block and a second housing block abutting against and separated away from each other at positions of facing joining surfaces. Three or more spool sliding bores are provided on the first housing block forming a three-dimensional structure. The other spool sliding bores are provided on the second housing block forming a three-dimensional structure. A relief valve for suppressing maximum pressures in a plurality of oil passages to a predetermined set pressure or less is provided on one of the first and second housing blocks. This relief valve is arranged at a position closer to the joining surfaces than each of the spool sliding bores provided in the one of housing blocks.
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