Patent · US Active

Pneumatic valve

US11635154B2 · kind B2 · utility

4Cited by

17References

16Claims

0Family size

Assignee

Conti Temic microelectronic GmbH · DE

Inventors

Michael Beuschel · Stammham, DE
Johann Steinberger · Brunnen, DE
Norbert Seltner · Ingolstadt, DE

Key dates

Filing date	Sep 30, 2019
Grant date	Apr 25, 2023
Priority date	—
Expiry date	Nov 19, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K31/1268
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A fluid bladder valve for a pneumatic vehicle seat adjustment device is disclosed. The valve comprises a first chamber configured to be connected to a fluid source, a second chamber configured to be connected to the fluid bladder, a third chamber configured to be connected to an environment, a fourth chamber connected to the first chamber via a first fluid passage, connected to the second chamber via a second fluid passage, and connected to the third chamber via a third fluid passage; and an actuator comprising a membrane disposed in the fourth chamber and an actuator element disposed in the third chamber and coupled to the membrane and configured to move the membrane between a first position wherein the first fluid passage is opened and the third fluid passage is closed, and a second position wherein the first fluid passage is closed and the third fluid passage is opened.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.