A piston pump unit for a hydraulic vehicle power braking system including an electric motor, a planetary gear set, a worm gear, and a piston displaceable in a cylinder. As ventilation of an annular gap between the cylinder and the piston and a back side of the piston, the invention provides a radial hole and grooves in the cylinder.
Piston pump unit for a hydraulic vehicle braking system
2022-05-03
Patent
Electronic Resource
English
PISTON PUMP ASSEMBLY FOR A HYDRAULIC POWER VEHICLE BRAKING SYSTEM
European Patent Office | 2021
|Piston pump assembly for a hydraulic power vehicle braking system
European Patent Office | 2021
|PISTON PUMP ASSEMBLY FOR A HYDRAULIC POWER VEHICLE BRAKING SYSTEM
European Patent Office | 2019
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