PUMP AND VALVE COMBINATION FOR BLADDER ADJUSTMENT
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United States of America Patent
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Issued Date -
Apr 2, 2020
app pub date -
Sep 4, 2019
filing date -
Sep 27, 2018
priority date (Note) -
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Abstract
A pump and valve combination used for bladder adjustment and composed of a valve member communicating with bladders and a fluid supply member is revealed. The valve member consists of a valve cap, at least one solenoid operated directional control valve in the valve cap, and at least one air supply tube in the valve cap. The fluid supply member with at least one air supply port is arranged under the valve member while the valve cap is fixed on one end of the fluid supply member. An air input end and an air output end of the air supply tube are connected to the air supply port and an input portion of the solenoid operated directional control valve respectively while an output portion of the solenoid operated directional control valve is connected to the bladder. No check valve is disposed in the valve member.
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