Valve Core Assembly and Electronic Expansion Valve Having Valve Core Assembly
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United States of America Patent
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Issued Date -
Jan 4, 2024
app pub date -
Nov 25, 2021
filing date -
Dec 26, 2020
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Abstract
The disclosure provides a valve core assembly and an electronic expansion valve having the valve core assembly. The valve core assembly includes: a valve head, herein an inner wall surface of the valve head is provided with a flange portion which is inwardly protruded, and the flange portion is configured to divide an inner cavity of the valve head into an upper cavity body and a lower cavity body; a screw penetrating into the valve head; and an annular member sleeved at a lower end of the screw and located in the lower cavity body, herein an upper end face of the annular member is in contact with a lower end face of the flange portion. Herein the flange portion is provided with a balancing channel, and the balancing channel connects the upper cavity body and the lower cavity body.
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