Patent ID: 9234531
Filing Date: 2016-01-12
CPC Classification: B60T,F15B,F16L

Claim Text:
1. An attenuator for integration into a hydraulic chamber of a motor vehicle hydraulic system comprising: a support body having a longitudinal axis and a step extending away from the longitudinal axis; and a membrane fitting closely on the support body at least in some regions, wherein the membrane has a first side facing towards a hydraulic fluid and a second side facing away from the hydraulic fluid, wherein at least one first space is provided between the second side of the membrane and the support body to allow for deformation of the membrane under hydraulic pressure, wherein the membrane has a collar with a lip seal provided for sealing on a wall of a hydraulic chamber and wherein at least one second space for receiving hydraulic fluid is defined between the lip seal and a region of the membrane opposite the lip seal, the hydraulic fluid pressing a bottom portion of the collar against the step under hydraulic pressure.