公开(公告)号：US11754057B2

公开(公告)日：2023-09-12

申请号：US17615245

申请日：2020-07-21

Applicant: SAES GETTERS S.P.A.

Inventor： Marco Citro ,  Stefano Alacqua ,  Stefano Franceschinis

IPC: F03G7/06 ,  F16K37/00 ,  F16K31/00 ,  F16K31/126

CPC classification number: F03G7/0614 ,  F16K37/0041 ,  F05C2251/08 ,  F16K31/002 ,  F16K31/126

Abstract: A fluidic valve having a first zone and a second zone separated by an aperture that is sealed by a deformable element, where: in the first zone, there is a shape memory alloy (SMA) wire secured to a stationary surface and the SMA acts on a first surface of the deformable element either directly or through a piston; in the second zone, there are at least two ports and a plunger connected to a second surface of the deformable element, opposite to the first surface, and suitable to close one of the ports; and there is a bypass channel that permanently connects the first zone to the second zone through a first end aperture positioned in the first zone and a second end aperture positioned in the second zone.