FLOW CONTROL DEVICE Russian patent published in 2016 - IPC F16K37/00 

FIELD: measuring equipment.

SUBSTANCE: invention relates to flow rate control device, regulating fluid flowing inside device, at simultaneous display of fluid flow rate change caused by operator. Flow control device is equipped with mechanism of adjustment and displaying consumption to ensure movement of needle valve relative to flow passage. Adjustment and display mechanism comprises casing, rotation transmission element, which enables movement of needle valve as a result of its rotation, display ring with a hole, in which rotation transfer element is inserted. Display ring has scale for display of fluid flow rate, which position varies at displacement of display ring in circumferential direction as a result of engagement with coupling section of needle valve.

EFFECT: invention is in creation of flow control device, which enables to reduce costs for production and increases labour efficiency during assembly.

8 cl, 14 dwg