ELECTRONIC EXPANSION VALVE

WIPO Patent Application WO/2024/096210

A1

The electronic expansion valve of one embodiment of the present invention comprises: a valve body having a communication space formed therein and having an inlet and a plurality of outlets, connected to the communication space; a ball member installed in the communication space and having a connection channel through which the inlet selectively communicates with one of the plurality of outlets; and a seat part disposed between the valve body and the ball member to relay the outlet and the connection channel, wherein the seat part has a through-hole in communication with the outlet, and a notched seat having an expansion line extending from one side of the through-hole to gradually reduce an open area, to control the state of a refrigerant discharged through the outlet according to the rotation of the ball member. Therefore, the present invention provides a simpler structure that expands or bypasses the refrigerant by using the plurality of outlets.

WO/2023/185369	VARIABLE-FREQUENCY AIR CONDITIONER, AND CONTROL METHOD AND CONTROL APPARATUS THEREFOR
WO/2018/099422	ELECTRONIC EXPANSION VALVE AND REFRIGERATION SYSTEM HAVING SAME
WO/2021/004553	METHOD AND SYSTEM FOR CONTROLLING ELECTRONIC EXPANSION VALVE

JUNG JAE MOON (KR)
KWON BYUNG WOOK (KR)
KIM SANG DUCK (KR)
JEON BYEONG JUN (KR)

PCT/KR2023/006290

May 10, 2024

May 09, 2023

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YURA TECH CO LTD (KR)

F25B41/34; B60H1/00; F16K11/087; F16K31/02

KR20220032285A	2022-03-15
US20060162792A1	2006-07-27
JP2020016330A	2020-01-30
US20180094733A1	2018-04-05
US6109591A	2000-08-29

B&IP-JOOWON PATENT AND LAW FIRM (KR)

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