Hydraulic fluid pump having a sealing element
AssigneeRobert Bosch GmbH
InventorReiner Fellmeth
Life of this patent
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Abstract
In a hydraulic fluid pump, in particular for a vehicle brake system, having a housing and a piston that is mounted in an axially movable manner in the housing in a piston chamber. A drive moves the piston and a sealing element seals off the piston chamber in the direction of the drive. The sealing element is designed as a diaphragm that extends through the piston chamber transversely with respect to the movement direction of the piston.
Claims20
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.
A sealing element of a hydraulic fluid pump, which element is provided for insertion into a piston chamber of a housing of the hydraulic fluid pump, in which a piston, including a first piston part and a second piston part, is supported axially movably, which piston is movable by means of a drive, and which element is designed as a diaphragm, which when inserted into the housing is located between the first piston part and the second piston part and penetrates the piston chamber transversely to a direction of motion of the piston, wherein the first piston part rests on the drive and the housing includes a circumferential groove configured to mount the sealing element.
Dependencies are inferred from the claim text.