Accumulator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 14, 2004
Grant Date -
Feb 21, 2002
app pub date -
May 29, 2001
filing date -
May 30, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is an accumulator comprising a cylindrical shell including a cylindrical portion, a partitioning member for partitioning the interior of the shell into a hydraulic chamber and a gas chamber, and a port including a hydraulic fluid flow path for communicating the exterior of the shell and the hydraulic chamber. The variation of the pressure of a hydraulic fluid flowing into the hydraulic chamber is accommodated by expansion and compression of a gas in the gas chamber according to expansion and contraction of the partitioning member. The port is approximately airtightly inserted into the cylindrical portion of the shell, and is welded to an outer circumference of the cylindrical portion by means of welding.
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