Accumulator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 9, 2021
Grant Date -
N/A
app pub date -
Jan 26, 2018
filing date -
Feb 3, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The accumulator includes a housing having a sealing face and a fluid inlet/outlet passage; and a bellows fixed at one end to the housing such that an inner space of the housing is hermetically partitioned by the bellows into an interior and an exterior of the bellows. The bellows includes a bellows main body capable of expanding and contracting and a bellows cap provided with a sealing member covered with an elastic body that is opposed to and capable of being closely attached to the sealing face of the housing. The fluid inlet/outlet passage of the housing is closed upon a close attachment of the elastic body to the sealing face. The accumulator further includes a spacer placed between the housing and the bellows cap so as to surround the sealing member. The spacer has a communication passage providing communication between an inside and an outside of the spacer.
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