公开(公告)号：US20220055513A1

公开(公告)日：2022-02-24

申请号：US17296545

申请日：2020-08-25

Applicant: LANGFANG GOLDEN TIME TECHNOLOGY DEVELOPMENT CO., LTD.

Inventor： Haitao ZHANG ,  Kai MA

IPC: B60N2/90 ,  F16K11/24 ,  F16K27/00

Abstract: A pump valve module and operating method, a solenoid valve-based pump valve module for providing a massage function for a vehicle seat, and a vehicle seat are disclosed. A composite solenoid valve in the pump valve module includes deflation solenoid valve and inflation solenoid valve connected in series and formed integrally by injection molding. A first part region of the inflation solenoid valve is connected to air source. A second part region of the deflation solenoid valve is connected to inflated bag. A second part region of the inflation solenoid valve is connected to a first part region of the deflation solenoid valve. Inflation is implemented when the inflation solenoid valve is powered on and the deflation solenoid valve is de-energized. Deflation is implemented through a third part region of the deflation solenoid valve when the inflation solenoid valve is de-energized and the deflation solenoid valve is powered on.