THERMOSTATIC VALVE Russian patent published in 2012 - IPC F16K31/64 F16K27/04 

FIELD: machine building.

SUBSTANCE: thermostatic valve includes body, inlet and outlet nozzles, stock connected to stroke amplifier, pusher interacting with it, and seal. Inner body, as well as two sealing movable elements are introduced to thermostatic valve. The latter have equal effective area. Sealing moving elements are tightly installed opposite each other on both sides of pusher. Sealing movable elements form together with inner body a cavity isolated from heat carrier. Axis of sealing elements coincides with pusher axis. By interaction with stroke amplifier, the latter also interacts with the valve in movable manner at least through one above said sealing movable element. At that, stock, stroke amplifier and pusher are located in the above said cavity isolated from heat carrier.

EFFECT: invention allows improving heat carrier flow control accuracy with thermostatic valve due to avoiding the heat carrier pressure influence, as well as improving the valve reliability owing to excluding the worn-out seals of the stock.

2 dwg