HIGH-CAPACITY BLADDER TYPE CONSTANT PRESSURE ACCUMULATOR AND APPLICATION THEREOF
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United States of America Patent
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Issued Date -
Jun 9, 2022
app pub date -
Dec 23, 2019
filing date -
Dec 23, 2019
priority date (Note) -
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Abstract
A large-capacity bag-type constant-pressure accumulator comprises a shell and a bag placed in the shell, as well as a variable area piston, a floating piston, a piston, and a flange. On the piston rod of the variable area piston is mounted the floating piston, while at the bottom of the variable area piston rod is connected the piston. Additionally, through holes are provided on the central axes of the variable area piston and the piston; such holes are connected to the bag through an inflation valve and connected with a cover plate at the bottom. On the piston are arranged the check valves I and check valves II. The flange is connected to the inner wall of the shell bottom.
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