US 9,802,518 B2 · Pneumatic adjustment arrangement for a vehicle seat

Abstract

A pneumatic adjustment arrangement for a vehicle seat. The pneumatic adjustment arrangement has at least one chamber or bladder, which can be filled with a pressure medium, as an adjustment element. Furthermore, the pneumatic adjustment arrangement has a fluid line for the filling and/or evacuation of the chamber. Additionally, the pneumatic adjustment arrangement has a valve device which is provided in the fluid line for volume flow regulation. Finally, the pneumatic adjustment arrangement has a noise absorber which is likewise arranged in the fluid line in order to absorb noise generated in the fluid line. In this way, it is possible to create a pneumatic adjustment arrangement for a vehicle seat, in particular for comfort functions, such that objectionable noises during the execution of the comfort fiction are reduced.

Claims15

Dependent claims

A pneumatic adjustment arrangement for a vehicle seat, comprising:

at least one chamber, which can be filled with a pressure medium, as an adjustment element;
a fluid line extending from the at least one chamber to a pressure medium source for filling and/or emptying the at least one chamber;
a valve device which is provided in the fluid line inline between the pressure source and the at least one chamber and configured for volume flow regulation of the pressure medium from the pressure source to the at least one chamber;
and
a sound absorber which is also arranged in the fluid line in order to absorb sound occurring in the fluid line;
wherein the sound absorber is arranged in the fluid line, between the valve device and the at least one chamber.

3 more elements

Dependencies are inferred from the claim text.

Pneumatic adjustment arrangement for a vehicle seat

Life of this patent

Pneumatic adjustment arrangement for a vehicle seat

Life of this patent

Abstract

Claims15