Hydraulic Housing Block Venting via Integrated Pressure Balancing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing housing block designs for hydraulic units in electronically slip-controllable vehicle brake systems are complex and inefficient in preventing fluid and vapor penetration, and do not effectively manage pressure fluctuations in the cavity.
Innovation Solution
A venting device with a pressure-balancing element, comprising a porous sintered material and a throttle bore, allows pressure balancing between the cavity and the environment, reducing fluid and vapor penetration, and facilitates the drainage of pressure medium through a receiving device that collects and expels fluids via gravity, supported by piston movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a protective cap with sealing lip and securing ring is used to cover the cavity opening, then fluid penetration protection is improved, but device complexity increases
Solution Approach 1:
The patent combines the protective cap and pressure-balancing element into a single integrated component. The pressure-balancing element is directly formed as part of the protective cap structure, eliminating the need for separate securing rings and multiple assembly steps while maintaining both protection and pressure balancing functions
Solution Approach 2:
The protective cap is designed to serve multiple functions simultaneously: it provides mechanical protection of the cavity opening, maintains pressure balance through the pressure-balancing element, and enables fluid drainage through the throttle bore. This multi-functional design reduces the overall number of components needed in the system
2Object-affected harmful factors
If a porous sintered material is used for pressure balancing, then fluid penetration protection is improved, but pressure medium drainage capability worsens
Solution Approach 1:
The patent segments the pressure-balancing element into two distinct functional zones: an upstream porous sintered material region that filters and protects against fluid penetration, and a downstream throttle bore that provides controlled drainage pathways. This segmentation allows each zone to optimize its specific function without compromising the other
Solution Approach 2:
The throttle bore acts as an intermediary structure between the porous sintered material and the external environment. It receives pressure medium that has passed through the porous material and provides controlled drainage pathways, mediating between the filtration function and the drainage requirement
3Stability of the object's composition
If the pressure-balancing element is exposed directly to the environment, then pressure balancing is improved, but damage risk from external pressure medium increases
Solution Approach 1:
The patent implements preliminary protection by placing the throttle bore upstream of the pressure-balancing element. This throttle bore pre-filters and controls the pressure medium before it reaches the pressure-balancing element, preventing direct exposure to harsh external conditions and reducing damage risk
4Object-affected harmful factors
If multiple components are used for venting and sealing, then sealing efficacy is improved, but assembly orientation requirements increase
Solution Approach 1:
The patent merges the sealing lip and pressure-balancing element into a single integrated protective cap structure. The sealing lip is formed as an integral part of the cap that interfaces directly with the cavity opening, while the pressure-balancing element is positioned downstream within the same component, eliminating the need for separate sealing components and reducing assembly orientation constraints
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 solution effectively minimizes fluid and vapor entry into the cavity, ensures pressure stability, and allows for efficient drainage of pressure medium, reducing the risk of damage to the pressure-balancing element and improving the sealing efficacy of the system.
Implementation Method 1
The pressure-balancing element comprises a porous filter body made of a foamed and/or sintered material
Implementation Method 2
The pressure-balancing element comprises a porous filter body made of a foamed and/or sintered material
Implementation Method 3
Provision of a throttle bore firstly reduces the probability that pressure medium from the outside will hit the pressure-balancing element directly, it decreases the quantity of pressure medium penetrating the cavity, and also lowers the fluid pressure
Implementation Method 4
Any introduced pressure medium thus gradually runs out of the cavity simply by force of gravity
Data Source
AI summary
A drilling tool, in particular a rock drilling tool, for a portable machine tool, includes a drill head, in particular a hard metal drill head. The drill head includes a drill shaft connected, in particular integrally with the drill head, and a rotational axis. The drill shaft is configured as one piece, has a guide section with guide groove winding in a spiral-shaped about the drill shaft for transporting away drilling dust, and has a securing section provided for detachably securing the drilling tool to a machine tool. The guide section has a diameter reinforcement at a drill head support region of the guide section neighboring, in particular adjacent to, the drill head.