Entspannungsventil

Details

Veröffentlichungs-Nr.

EP4726286

Anmeldetag

8. Mai 2024

Veröffentlichung

12. Dezember 2024

Rechtsraum

EP

Abstract

Provided is an expansion valve that may ensure a valve closed state as needed by utilizing fluid pressure of a refrigeration cycle.The expansion valve includes a valve main body including a valve chamber and a valve seat, a power element disposed on the valve main body and including a displacement portion configured displaceably, a valve element disposed in the valve chamber, a first urging device configured to urge the valve element toward the valve seat, an actuation rod disposed at the valve main body and arranged between the displacement portion and the valve element, the actuation rod configured to drive the valve element by receiving displacement of the displacement portion, a syringe member disposed at the valve main body, the syringe member configured to accommodate a portion of the actuation rod movably in an interior thereof, and to constitute a cylinder chamber that is extensible in a movement direction of the valve element between itself and the displacement portion, a movement regulation portion configured to regulate movement of the syringe member toward the valve chamber, and a supplying portion configured to supply a fluid within the valve chamber or a fluid on an upstream side of the valve chamber to the cylinder chamber.

Anmelder

Firma

Fujikoki Corporation

Land

🇯🇵 Japan