Abstract: A pump-valve integrated machine for a pneumatic lumbar support of an automobile seat includes: an air pump; a pump valve connection base that is provided with a one-way air outlet structure, which is opposite to and in communication with an air outlet hole of the air pump; an electromagnetic air valve lower base that is fixed onto the air pump and is provided with a mounting groove and a ventilation hole are; a normally open electromagnetic air valve that is disposed on the electromagnetic air valve lower base and has an air inlet end corresponds to the ventilation hole; an electromagnetic air valve upper cover that is provided above the normally open electromagnetic air valve and has an air outlet connector corresponds to a valve core of the normally open electromagnetic air valve; and a control circuit board.
Type:
Grant
Filed:
March 31, 2020
Date of Patent:
September 3, 2024
Assignee:
NEW DEVELOPMENT (CHANGCHUN) AUTO CONTROL SYSTEM CO., LTD.
Abstract: A pump-valve integrated machine for a pneumatic lumbar support of an automobile seat includes: an air pump; a pump valve connection base that is provided with a one-way air outlet structure, which is opposite to and in communication with an air outlet hole of the air pump; an electromagnetic air valve lower base that is fixed onto the air pump and is provided with a mounting groove and a ventilation hole are; a normally open electromagnetic air valve that is disposed on the electromagnetic air valve lower base and has an air inlet end corresponds to the ventilation hole; an electromagnetic air valve upper cover that is provided above the normally open electromagnetic air valve and has an air outlet connector corresponds to a valve core of the normally open electromagnetic air valve; and a control circuit board.
Type:
Application
Filed:
March 31, 2020
Publication date:
June 2, 2022
Applicant:
NEW DEVELOPMENT (CHANGCHUN) AUTO CONTROL SYSTEM CO., LTD.