US 11,940,191 B2
Expansion valve
Jeffrey Van Delden, Stuttgart (DE); Matthias Lindenberg, Stuttgart (DE); and Florian Wetzel, Baltmannsweiler (DE)
Assigned to MAHLE INTERNATIONAL GMBH, (DE)
Filed by Mahle International GmbH, Stuttgart (DE)
Filed on Dec. 2, 2021, as Appl. No. 17/541,231.
Claims priority of application No. 10 2020 215 268.3 (DE), filed on Dec. 3, 2020.
Prior Publication US 2022/0178599 A1, Jun. 9, 2022
Int. Cl. F25B 41/35 (2021.01); F16K 31/04 (2006.01); F16K 31/08 (2006.01); F16K 31/50 (2006.01); F25B 41/345 (2021.01)
CPC F25B 41/35 (2021.01) [F16K 31/04 (2013.01); F16K 31/08 (2013.01); F16K 31/50 (2013.01); F25B 41/345 (2021.01)] 20 Claims
OG exemplary drawing
 
1. An expansion valve for an air-conditioning system, a battery cooler, and/or an oil cooler of a motor vehicle, the expansion valve comprising:
a housing delimiting a housing interior;
a threaded bush arranged in the housing interior and extending along an axial direction, the threaded bush including an external thread;
a valve body partially adjustably received in the threaded bush along the axial direction;
a permanent magnet body of a pot-shaped design;
the permanent magnet body arranged in the housing interior;
the permanent magnet body extending the threaded bush along the axial direction such that the valve body is partially received in a valve body receptacle surrounded by the permanent magnet body;
the permanent magnet body surrounding a radially outside of the threaded bush in a common transition portion; and
wherein, in the common transition portion, the permanent magnet body is connected to the threaded bush via a latching connection.