Pulsation dampener with gas retention

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United States of America Patent

PATENT NO 11193506
APP PUB NO 20200159112A1
SERIAL NO

16192080

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A pulsation dampener for a dispensing system comprising a housing, a diaphragm comprising at least one fluoropolymer layer, the diaphragm dividing the housing into a first compartment and a second compartment, an inlet port and an outlet port each in fluid communication with the first compartment thereby providing a flow path for a liquid to enter the first compartment via the first inlet port and exit the first compartment via the outlet port, and at least one gas disposed within the second compartment, the at least one gas having a kinetic diameter of 0.36 nm or greater, wherein the fluoropolymer of the at least one fluoropolymer layer and the at least one gas are selected such that a gas transmittance rate of the at least one gas through the diaphragm is from 0 mbar*L/second to 1*10−5 mbar*L/second.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAOHTA-KU TOKYO 146-8501

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mann, Tyler Pearce Austin, US 4 5
Pokorny, Christopher Austin, US 1 0
Shackleton, Steven C Austin, US 32 127

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