VALVE DEVICE FOR OPERATION WITH A REFRIGERANT

WIPO Patent Application WO/2024/014799

A1

The invention relates to a valve device for operation with a refrigerant, in particular for operation with a refrigerant in a motor vehicle heat pump system, having a valve body bushing (1) with a first axial section (1.1) provided for insertion into a valve block (2), in which a valve body chamber (3) with a valve needle (4) guided axially therein is formed, a spindle drive with a magnetised rotor shaft (5), which is supported by an anti-friction bearing (6) and coupled to the valve needle (4) in such a way that a rotation of the rotor shaft (5) causes an axial movement of the valve needle (4) in the valve body bushing (1), and a capsule element (7) which is open on one side, in which the spindle drive and a second axial section (1.2) of the valve body bushing (1) are received, wherein the capsule element (7) can be fastened to the valve block (2) by means of an actuator (8) receiving it for driving the rotor shaft (5) in such a way that the first axial section (1.1) is received in the valve block (2) in a fluid-tight manner.

JP2021148215	ELECTRIC OPERATED VALVE AND REFRIGERATION CYCLE SYSTEM
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JP7185785	electronic expansion valve

OHREM CARSTEN (DE)
ZENS DANIEL (DE)
SCHLATTMANN MICHAEL (DE)
CAPELLE ANDREAS (DE)
LAFORGE DENY (DE)

PCT/KR2023/009732

January 18, 2024

July 10, 2023

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HANON SYSTEMS (KR)

F25B41/35; B60H1/00; F16K1/34; F16K31/04; F25B9/00; F25B41/38

CN216143227U	2022-03-29
US20080203343A1	2008-08-28
US20100308245A1	2010-12-09
US8740185B2	2014-06-03
KR20130054167A	2013-05-24

HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)

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