Patent ID: 8800427
Filing Date: 2014-08-12
Classification: B60T,F04B

Abstract:
1. A hydraulic fluid pump, in particular of a vehicle brake system, having a housing, a piston chamber on a low-pressure side of the hydraulic fluid pump, a piston supported axially displaceably in the housing in the piston chamber, a drive moving the piston, and a sealing element sealing off the piston chamber from the drive, in which the sealing element is designed as a diaphragm, which penetrates the piston chamber transversely to a direction of motion of the piston, wherein the piston includes a first piston part and a second piston part, and the diaphragm is disposed between the first piston part and the second piston part, the first piston part configured to rest on the drive and to extend to the diaphragm, and the second part disposed on another side of the diaphragm.