Patent ID: 6666529
Filing Date: 2003-12-23
Classification: F15B

Abstract:
A vehicle brake system having a gas pressure accumulator, which comprises a housing, the interior of which is divided into a gas chamber and a fluid chamber by metal bellows and a disk fastened to the metal bellows in gas-tight manner, wherein via a feed line a fluid may be supplied under pressure to and removed from the fluid chamber, and provided between the fluid chamber and the feed line is a valve arrangement, which closes when the pressure in the feed line drops below a minimum value and opens when the pressure exceeds the minimum value, wherein the metal bellows during supply and removal of the fluid executes a stroke motion by means of which the valve arrangement is actuated, and wherein the disk is integrally connected to a rod, an axial bore being formed in one of the rod and a mandrel, and the other of the rod and the mandrel being slidingly disposed in the bore to axially guide the rod relative to the mandrel.