Exhaust gas recirculation valve, thawing system for exhaust gas recirculation valve and engine

摘要

An exhaust gas recirculation valve includes a valve housing (31) containing an exhaust path (31A), a valve element (34, 35) located in the exhaust path (31A) and configured to open and close the exhaust path (31A), and a stem (36) connected to the valve element (34, 35) and movable in an axial direction, the valve housing (31) having an inlet (39A) via which fluid is supplied from the outside, a depression (38). 38) adapted to direct the fluid introduced via the inlet (39A) to the stem (36) and a throttle member (39D) in the form of an orifice extending from the inlet (39A) and to the shaft (36) is aligned.