Hydraulic Block Bore Layout for Servo Brake Pressure Control
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Solution Overview
Problem
Existing hydraulic blocks for hydraulic servo power brake systems are inefficient in their arrangement and integration of components, leading to complexity and potential malfunctions.
Innovation Solution
A cuboidal hydraulic block design with a servo power cylinder bore passing through from one side to the opposite side, featuring a Cartesian bore arrangement with parallel and perpendicular alignment of bores and receptacles for hydraulic components, including solenoid valves and brake fluid lines, to enhance mechanical mounting and hydraulic interconnection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If solenoid valves and hydraulic components are arranged in the hydraulic block, then brake pressure control capability is improved, but device complexity increases
Solution Approach 1:
The patent integrates multiple hydraulic components (solenoid valves, nonreturn valves, accumulators, dampers, pressure sensors) directly into the hydraulic block, merging previously separate components into a single integrated structure. This reduces the number of separate parts and connections while maintaining full brake pressure control functionality.
Solution Approach 2:
The hydraulic block serves multiple functions simultaneously: it houses the servo power cylinder bore, accommodates solenoid valves for pressure control, contains nonreturn valves, integrates accumulators for fluid storage, incorporates dampers for vibration control, and includes pressure sensors for monitoring. This multi-functional design improves control capability without proportionally increasing complexity.
2Productivity
If a servo power cylinder bore passes through the hydraulic block, then brake pressure generation efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The hydraulic block is designed with distinct functional zones: the servo power cylinder bore passes through the block from one side to the opposite side, creating clear separation between the motor side (for motor mounting) and the valve side (for control components). This segmentation allows for modular assembly and simplified manufacturing processes.
Solution Approach 2:
The servo power cylinder bore is arranged to pass through the hydraulic block in a perpendicular orientation relative to the brake master cylinder bore, utilizing three-dimensional space efficiently. This spatial arrangement optimizes brake pressure generation efficiency while maintaining manufacturability through standard drilling and boring operations.
3Ease of operation
If the brake master cylinder bore is positioned below the servo power cylinder bore, then spatial arrangement for mounting is improved, but hydraulic connection complexity increases
Solution Approach 1:
The brake master cylinder bore and servo power cylinder bore are positioned at different vertical levels (one above the other) but are hydraulically connected through the integrated hydraulic block structure. This arrangement simplifies mounting by providing clear spatial separation while the internal hydraulic passages maintain simple fluid connections between the components.
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
The design simplifies component integration, improves hydraulic efficiency, and enhances brake pressure control, enabling reliable operation and flexibility in brake system configurations.
Implementation Method 1
an electric motor for displacing a servo power cylinder in the servo power cylinder bore
Implementation Method 2
for example by way of a screw mechanism as a rotation/translation conversion mechanism
Implementation Method 3
Brake pressure control means control of a brake pressure in the vehicle brake system
Data Source
AI summary
A bore arrangement of a hydraulic block of a hydraulic unit of a pressure control module of a servo power brake system and in particular an arrangement of receptacles for solenoid valves in a valve side of the hydraulic block.