公开(公告)号：EP4394223A1

公开(公告)日：2024-07-03

申请号：EP23849411.6

申请日：2023-08-01

申请人： ND Automotive Systems Co., Ltd

发明人： SUO, Silu

IPC分类号： F16K11/10 ,  F16K27/02 ,  F16K31/02 ,  F16K47/02 ,  B60N2/90 ,  B60N2/66

摘要： An air valve for vehicle seat and an operating method thereof, the air valve for vehicle seat includes: a housing (100) provided with a first air cavity (200) and a second air cavity (500); an intermediate air cavity (300) disposed in the housing (100) and communicating with both the first air cavity (200) and the second air cavity (500), and the intermediate air cavity (300) communicates with an air bag; a memory alloy valve assembly (700) disposed in the intermediate air cavity (300), and suitable to be contracted after temperature of the memory alloy valve assembly (700) raises so as to enable the intermediate air cavity (300) to communicate with the first air cavity (200) or to enable the intermediate air cavity (300) to communicate with the second air cavity (500).