Vehicle seat with slide valve

US7810884B2 · kind B2 · utility

Assignee

• GRAMMER AG · DE

Inventors

• Konstantin Lorey · Schmidgaden, DE
• Erwin Haller · Sulzbach-Rosenberg, DE
• Thomas Burger · Graz, AT

Key dates

• Filing date: Jun 26, 2008
• Grant date: Oct 12, 2010
• Expiry date: Nov 13, 2028

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/525
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The invention relates to a vehicle seat with a height-adjustable seat frame which comprises at least two seat frame parts which can move relative to one another and at least one fluid spring, in particular an air spring, arranged on the seat frame parts for height adjustment purposes, with at least one control device which is provided for influencing the fluid spring and which comprises at least one valve device with control valves which is attached to the first seat frame part and is designed to control fluid flows for the fluid spring, and also a control element which is provided on a second seat frame part and is designed to actuate the control valves, so that a height adjustment and/or damping oscillatory movement of the vehicle seat is ensured, wherein the valve device comprises an internally cylindrical component with at least one rod element arranged displaceably therein as a control element, wherein at least one fluid intake and discharge opening of the rod element can selectively be assigned to one of the control elements by a relative displacement of the cylindrical component and the rod element with respect to one another.