Pressure reservoir/accumulator for a motor vehicle's braking system has storage parts and a fluid pump with fluid kept under pressure

摘要

A fluid pump (22) fits partly in a first storage part (40) coupled with a second storage part (40) to include a fluid chamber (34), into which the fluid pump pumps a fluid that is discharged from the fluid chamber under pressure. Bellows (14) have a moving bellows guide device (28) and a bellows cover (26) and fit in a casing (12). Independent claims are also included for the following: (A) An energy unit for a hydraulically redundant electro-hydraulic braking system in a motor vehicle; (B) and for a motor vehicle's braking system.