Brake Hydraulic Device Intermediate Wall Heat Dissipation
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Solution Overview
Problem
The intermediate wall part in brake hydraulic devices for vehicles experiences strength reduction due to heat buildup, which can compromise the housing's integrity during prolonged operation.
Innovation Solution
The formation of recessed or projecting portions on the intermediate wall part enhances heat dissipation and maintains strength by increasing the surface area, while the thickness is kept minimal, and the use of resin material allows for integral molding with the wall part.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the intermediate wall part is made thick to increase strength, then the strength increases, but the heat dissipation ability deteriorates
Solution Approach 1:
The patent transitions from changing wall thickness (one dimension) to adding surface features like ribs and protrusions (surface dimension). This allows heat dissipation enhancement through increased surface area without compromising structural strength, as the features are added to the surface rather than increasing overall thickness.
Solution Approach 2:
The patent applies local quality by adding heat dissipation features (ribs, protrusions) only to specific areas of the intermediate wall part that require enhanced heat dissipation. This allows differential treatment of different regions - areas needing strength maintain thickness while areas needing heat dissipation gain surface features.
2Temperature
If the intermediate wall part is made thin to improve heat dissipation, then the heat dissipation ability improves, but the strength decreases
Solution Approach 1:
Instead of increasing wall thickness to gain strength, the patent adds three-dimensional surface features (ribs, protrusions) that provide structural reinforcement through their geometry. This allows thin walls to achieve adequate strength while maintaining excellent heat dissipation capabilities.
Solution Approach 2:
The patent creates a composite structure by integrating heat dissipation features (ribs, protrusions) into the intermediate wall part. This composite design combines the functions of structural support and thermal management in a single integrated component, achieving both strength and heat dissipation simultaneously.
3Productivity
If the housing operates continuously, then the productivity increases, but the temperature of the coil increases causing strength decrease
Solution Approach 1:
The patent converts the harmful heat generated by continuous coil operation into a beneficial effect by designing heat dissipation features that actively utilize this heat flow. The ribs and protrusions create controlled thermal pathways that manage heat distribution, preventing localized overheating while enabling continuous operation.
Solution Approach 2:
The intermediate wall part with its heat dissipation features acts as a thermal intermediary between the coil and the external environment. It provides controlled thermal management, transferring heat from the coil in a managed manner that prevents temperature buildup while enabling continuous operation.
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
This configuration effectively prevents strength decrease in the housing due to heat and ensures stable operation by improving heat dissipation and structural integrity.
Implementation Method 1
the ability to dissipate heat of the intermediate wall part can be enhanced because the surface area of the peripheral wall part becomes large since at least one of the recessed portion and the projecting portion is formed on the intermediate wall part
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
Provided is a brake hydraulic device for a vehicle, including: a base body having a hydraulic pressure path for brake fluid formed therein; an electromagnetic valve which opens and closes the hydraulic pressure path; an electromagnetic coil which drives the electromagnetic valve; and a housing (20) attached to the outer surface of the base body and having a housing chamber for accommodating the electromagnetic valve and the electromagnetic coil. The housing (20) includes a peripheral wall part (30) having openings formed on a front side and a rear side thereof, and an intermediate wall part (40) partitioning a space inside the peripheral wall part (30) into a front side and a rear side. The housing chamber is provided on the rear side of the intermediate wall part (40), and recessed portions (46, 48) and a projecting portion (47) is formed on a front surface (40a) of the intermediate wall part (40). On this configuration, deformation of the housing caused by heat can be prevented.