VANNE COMPORTANT UN ELEMENT EN ALLIAGE A MEMOIRE DE FORME

摘要

The valve has lifters (13, 14) comprising ends (24) disposed in a pressure chamber. A shape memory alloy (SMA) unit (15) is immobilized by its ends on a base plate and median parts (38) of the lifters. The SMA unit makes an open angle with the base plate. A wall forming screen is provided between openings of the valve and the unit (15). The wall has an opening (42) in which ends (31) of the lifter pass.