Pneumatic device

US10752145B2 · kind B2 · utility

Assignee

• Conti Temic microelectronic GmbH · DE

Inventors

• Johann Steinberger · Brunnen, DE
• Wolfgang Thiel · Köngen, DE

Key dates

• Filing date: Jul 11, 2017
• Grant date: Aug 25, 2020
• Expiry date: Aug 3, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/976
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A pneumatic device for varying a contour of a seat bearing surface includes a carrier foil TF composed of a first and a second foil ply which are arranged adjacent to one another. The pneumatic device has a first bladder for varying the contour of the seat bearing surface, including a bladder chamber which can be filled with pressure medium (DM). The pneumatic device furthermore has a first pressure medium line connected to the first bladder and which is formed by connection of the first and second foil plies along a line-side connection seam to create a pressure medium connection to the bladder chamber of the first bladder. One foil ply has, in the region of the first bladder, an opening in order to form a pressure medium channel to a further bladder, which can be filled with pressure medium and is connected to one of the foil plies.