Single-Piece Housing for Electropneumatic Brake Modulator
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Solution Overview
Problem
Existing electropneumatic modulators for vehicle brake systems require complex and costly mounting processes due to the need for multiple housing parts and seals, leading to increased time and expenditure.
Innovation Solution
A single-piece housing with an H-shaped cross-section, featuring separate electric and receptacle chambers, allows for simplified mounting with fewer components and reduced sealing requirements, enabling easy integration of electrical and pneumatic components without additional molds or screws.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a multi-part housing with seals is used to receive electrical and pneumatic components, then the components can be securely contained, but the mounting process becomes complex and time-consuming
Solution Approach 1:
The patent merges multiple housing parts into a single integrated housing structure that contains both the electric chamber for electrical components and the pneumatic chamber for pneumatic components. This single-piece housing eliminates the need for multiple seals and assembly steps, thereby reducing mounting time while maintaining secure containment of all components through its integrated design
2Reliability
If multiple housing parts and seals are used, then component containment is achieved, but manufacturing cost and complexity increase
Solution Approach 1:
The housing structure is merged into a single piece that integrates both electric and pneumatic chambers, eliminating the need for multiple separate housing parts and seals. This reduces device complexity while maintaining reliable component containment through the unified structure
Solution Approach 2:
Within the single-piece housing, the internal space is segmented into distinct electric and pneumatic chambers using a separating wall. This internal segmentation allows independent access and containment of different component types without requiring external seals or multiple housing parts
3Adaptability or versatility
If multiple housing parts are used, then component reception is possible, but the number of mounting parts and components increases
Solution Approach 1:
Multiple housing parts are merged into a single housing structure that can still receive and accommodate both electrical components in the electric chamber and pneumatic components in the pneumatic chamber. This eliminates the need for multiple separate mounting parts while maintaining full component reception capability
4Reliability
If separate housings for individual components are used, then each component is properly received, but overall housing complexity increases
Solution Approach 1:
Separate housings for electrical and pneumatic components are merged into a single integrated housing with internal separation. This unified structure properly receives both types of components while reducing overall housing complexity by eliminating the need for multiple separate housing assemblies
Data Source
AI summary
A housing for an electropneumatic modulator for an electropneumatic brake system for a vehicle, includes: an electric chamber configured to receive at least one electrical and/or electronic component of the electropneumatic modulator from a first side of the housing; and a receptacle chamber which is arranged opposite the electric chamber and is configured so as to receive a relay piston and a guide device for guiding the relay piston from a second side, opposite the first side, of the housing, in which the housing is formed in one piece. Also described are a related electropneumatic modulator and a method for making the electropneumatic modulator.