Adjusting device for a seat and method of operating an adjusting device

US8794707B2 · kind B2 · utility

Assignee

• L&P Swiss Holding GmbH · CH

Inventors

• Berthold Bocsanyi · Altdorf, DE
• Erich Dörfler · Treuchtlingen, DE

Key dates

• Filing date: Feb 16, 2011
• Grant date: Aug 5, 2014
• Expiry date: Aug 12, 2032

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/665
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An adjusting device for a seat comprises at least one fluid chamber and a valve assembly in fluid communication with the fluid chamber. Each fluid chamber is configured to be installed in the seat to adjust at least a portion of the seat upon inflation or deflation. The at least one fluid chamber comprises a first fluid chamber. The valve assembly comprises a check valve and a 3/2-way valve. A first port of the 3/2-way valve is in fluid communication with the check valve, and a second port of the 3/2-way valve is in fluid communication with the first fluid chamber.