Hydraulic Unit Valve Bore Arrangement for Compact Brake Systems
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Solution Overview
Problem
Existing hydraulic units for slip-controlled brake systems require large construction volumes due to the placement of low-pressure accumulators, leading to long suction paths for pumps and a lack of space for additional components like pressure sensors.
Innovation Solution
The hydraulic unit design optimizes space by arranging the pump and motor mounting bores in a compact configuration, allowing for a shorter pressure medium connection and accommodating a pressure sensor within the housing by integrating valve receiving bores and noise-damping chambers, while maintaining the smallest possible housing dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the low-pressure accumulator is arranged between the rows of valves, then the hydraulic unit can accommodate all necessary components, but the construction volume becomes large
Solution Approach 1:
The patent transitions from a two-dimensional planar arrangement of components to a three-dimensional configuration by arranging the accumulator bore and valve bores in different spatial planes and orientations. The accumulator bore extends in a direction perpendicular to the plane containing the valve bores, effectively utilizing the third dimension to pack components more densely within the housing volume.
Solution Approach 2:
The patent implements a nested arrangement where the motor bore is positioned to overlap with the pump bore in the projection direction, and the accumulator bore is arranged to overlap with the valve bores. This nested configuration allows multiple components to occupy overlapping spatial regions, reducing the overall housing volume required to accommodate all components.
2Adaptability or versatility
If the low-pressure accumulator is arranged between the rows of valves, then all components can be housed, but the suction path of the pump becomes long
Solution Approach 1:
The patent positions the pump bore and accumulator bore in different spatial planes and orientations, with the pump bore extending in one direction and the accumulator bore extending perpendicular to that plane. This three-dimensional arrangement allows the suction path to be routed directly from the accumulator to the pump through vertical channels, minimizing the suction path length while still accommodating both components.
Data Source
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AI summary
The invention relates to a hydraulic unit of which the receiving body (6) is equipped with a plurality of valve reception bores (1, 2, 3, 10). To reduce the dimensions of the receiving body, the valve reception bore (3) provided for the reception of the electric switching valve is arranged on the plane of the pump bore (4).