Cuboid Hydraulic Block for Slip Control System Integration
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Solution Overview
Problem
Existing hydraulic blocks for slip control systems in vehicle brake systems often require complex modifications for component arrangement and connection, which can complicate integration and maintenance, especially when accommodating solenoid valves, hydraulic pumps, and brake lines in a compact and efficient manner.
Innovation Solution
A cuboidal hydraulic block design with specific arrangements of receptacles for solenoid valves, hydraulic pumps, and connection bores for brake lines, allowing for all solenoid valves to be placed on one side in three rows and accommodating an electric motor for driving hydraulic pumps, enabling straightforward integration and connection without modifications, using self-clinch technology for secure and pressure-tight fittings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If solenoid valves, hydraulic pumps, and brake lines are arranged in a compact manner in existing hydraulic blocks, then space utilization is improved, but integration complexity and modification requirements increase
Solution Approach 1:
The hydraulic block is segmented into distinct functional zones: a first region for solenoid valves, a second region for hydraulic pumps, and a third region for the electric motor. This spatial segmentation allows each component type to be systematically arranged without interference, reducing integration complexity while maintaining compactness.
Solution Approach 2:
The patent utilizes three-dimensional space efficiently by arranging components in multiple regions along different axes of the cuboidal block. Connection bores are positioned on lateral sides to optimize spatial relationships, transforming a two-dimensional layout problem into a three-dimensional solution that maximizes space utilization without increasing complexity.
2Adaptability or versatility
If connection bores are added for brake lines in existing hydraulic blocks, then connectivity is improved, but manufacturing complexity increases
Solution Approach 1:
Connection bores are pre-formed as integral features of the hydraulic block during the manufacturing process. These bores are positioned on lateral sides to facilitate straightforward connection of brake lines, eliminating the need for post-manufacturing modifications and simplifying the overall manufacturing process while ensuring proper connectivity.
3Reliability
If self-clinch technology is used for press-in nipples in existing hydraulic blocks, then connection security is improved, but manufacturing precision requirements increase
Solution Approach 1:
The press-in nipples are designed with self-clinch capability, allowing them to automatically secure themselves into the connection bores during the pressing process. The nipple structure includes features that enable self-deformation and self-locking, eliminating the need for separate calking operations and reducing the precision requirements for the pressing process while ensuring reliable connections.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates a compact and efficient hydraulic assembly that can be easily integrated into vehicle engine compartments, ensuring reliable and secure connections for slip control systems, enhancing the operational efficiency and maintainability of the brake system.
Implementation Method 1
self-clinch means that the press-in nipple, as it is pressed into the connection bore of the hydraulic block, calks itself in pressure-tight fashion in the connection bore of the hydraulic block with plastic deformation of material of the hydraulic block
Data Source
AI summary
A cuboid hydraulic block of a slip control system of a hydraulic vehicle brake system has a lateral face, an opposite lateral face, at least two long sides, a short side, and an opposite short side. All receptacles for solenoid valves of the slip control system are disposed in the lateral face of the hydraulic block. Receptacles for hydraulic accumulators of the slip control system and connecting bores for a master brake cylinder are disposed in the opposite lateral face of the hydraulic block. Receptacles for hydraulic pumps of the slip control system are disposed in the long sides of the hydraulic block. An electric motor for driving the hydraulic pumps is disposed on the short side of the hydraulic block. Connecting bores for wheel brakes are disposed in the opposite short side of the hydraulic block.