Pneumatic valve

US11077781B2 · kind B2 · utility

Assignee

• Conti Temic microelectronic GmbH · DE

Inventors

• Michael Beuschel · Stammham, DE
• Johann Steinberger · Brunnen, DE
• Norbert Seltner · Ingolstadt, DE
• Stefan Bauer · Alzey, DE

Key dates

• Filing date: Sep 30, 2019
• Grant date: Aug 3, 2021
• Expiry date: Dec 24, 2039

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16K31/1225
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

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