Hydraulic Fluid Container Blocking Device
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Solution Overview
Problem
Existing hydraulic motor vehicle brake systems face challenges with complex construction, large space requirements for assembly tools, and the need for additional structural elements in shut-off devices for pressure medium tanks, which complicate manufacturing, assembly, and integration into existing systems.
Innovation Solution
A shut-off device design where the sealing element secures the valve piston's position, serving as a seal, stop, and force absorber in the closed state, allowing for a compact, cost-effective design without separate fixing elements or hot forming, and can be integrated directly into the pressure medium tank's socket.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate fixing elements and hot forming are used to secure the valve unit in the pressure medium tank, then the shut-off device is reliably fixed, but the construction complexity and manufacturing cost increase
Solution Approach 1:
The sealing element is designed to perform multiple functions simultaneously: it provides sealing against the valve seat, acts as a stop to limit valve piston travel, and serves as a fixing element to secure the valve unit in the pressure medium tank. This merging of functions eliminates the need for separate fixing elements and hot forming processes, reducing construction complexity while maintaining reliable fixation
Solution Approach 2:
The sealing element is designed as a multi-functional component that combines sealing, stopping, and fixing functions. By making the sealing element universal rather than having separate specialized components for each function, the overall device complexity is reduced while maintaining all necessary functions for reliable operation
2Reliability
If multiple structural elements are used for mounting and fixing the valve unit, then the shut-off device is securely mounted, but the space required for assembly tools and manufacturing increases
Solution Approach 1:
The sealing element combines mounting and fixing functions into a single component that can be installed through the socket opening. This eliminates the need for multiple separate structural elements and complex assembly tools, allowing the valve unit to be securely mounted through a simple insertion process while maintaining mounting security
3Reliability
If additional protective transport caps are used for nozzles, then contamination is prevented, but the device complexity and number of components increase
Solution Approach 1:
The socket opening serves dual purposes: it allows the valve unit to be inserted into the pressure medium tank and also serves as the protective cover for the nozzle during transport and storage. By using the existing socket structure for protection rather than adding separate transport caps, the number of components is reduced while maintaining contamination protection
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 design reduces complexity and space requirements, simplifies assembly, and eliminates the need for additional securing elements, enabling easier integration into existing systems while ensuring reliable hydraulic connection management.
Implementation Method 1
a compression spring, the compression spring being pretensioned in the interior of the container between the valve piston and a support plate
Implementation Method 2
the sealing element is pressed against the inner edge of the socket by a compression spring
Implementation Method 3
a region of the valve piston between the stop and the sealing element can be designed to be subjected to tensile stress when the shut-off device is in the closed state
Data Source
Figure 1
Figure 2~4
AI summary
The invention relates to a hydraulic fluid container (1) for a hydraulic brake system, comprising a hydraulic interface for connecting the hydraulic fluid container (1) to another component. The hydraulic fluid container (1) has a container housing (2), and the interface comprises at least one connector (4) arranged on the container housing (2), said connector being received in a receiving seat (6) of the other component. The connector (4) has a channel (9) which ensures a hydraulic connection between an interior of the container housing (2) and the other component. A blocking device (10) for blocking the hydraulic connection is provided, wherein the blocking device is opened when the connector (4) is received in the receiving seat (6), said blocking device (10) having a movable valve piston (11) and a sealing element (12). The aim of the invention is to improve the blocking device and reduce the space requirement and assembly complexity. According to the invention, this is achieved in that the sealing element (12) is designed to secure the position of the valve piston (11).