Patent ID: 9494253
Filing Date: 2016-11-15
CPC Classification: F16K,F25B

Claim Text:
1. A flow control valve for a refrigeration system, the valve comprising: a valve body defining a fluid inlet, a fluid outlet and a fluid passage between said fluid inlet and said fluid outlet, a valve port having a substantially cylindrical inner circumference arranged to receive a protruding portion of a valve member, a first valve chamber arranged at a first side of the valve port, and in fluid connection with the fluid inlet, a second valve chamber arranged at a second, opposite, side of the valve port, and in fluid connection with the fluid outlet, a valve member arranged in an interior part of said valve body, said valve member comprising a protruding portion having a substantially cylindrical outer circumference corresponding to the inner circumference of the valve port, said valve member being movable between a closed position, thereby preventing a fluid flow from the first valve chamber to the second valve chamber, and an open position in which such a fluid flow is allowed, said protruding portion also having at least one fluted part, said at least one fluted part defining fluid passage along the at least one fluted part when the valve member is in the open position, wherein the valve member is provided with at least one first fluid passage extending through the valve member between the second valve chamber and a pressure balancing chamber, and at least one second fluid passage establishing a fluid connection between the first valve chamber and the first fluid passage, said second fluid passage having an opening arranged on the substantially cylindrical part of the protruding portion of the valve member.