Accumulator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 5, 2019
Grant Date -
May 10, 2018
app pub date -
Jun 16, 2016
filing date -
Jun 22, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An accumulator has a pressure vessel, a partition portion comparting an internal space of the pressure vessel into a gas chamber having sealed gaseous matter and a liquid chamber having introduced liquid, and a bellows connected to the partition portion. The partition portion is provided with a bellows connection portion connected to the bellows, a seal arranged in a liquid chamber side of the bellows connection portion, and a seal retention portion fixed to the bellows connection portion and retains the seal. The seal retention portion is constructed by a leaf spring which is elastically deformable in a part thereof, and is structured by integrally forming a fixed portion fixed to the bellows connection portion, and a retention portion retaining the seal. Accordingly, the accumulator can reduce the number of parts of a pressure fluctuation absorbing mechanism, can be easily assembled, and can reduce a parts cost.
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