Hydrostatic Plate Bearing Serial Restrictors
Solution Overview
Problem
Conventional flow restrictors have limitations such as high operation pressure, low stiffness, high manufacturing cost, difficulty in adjustment and replacement, poor rotation-speed adaptation, and instability, which can lead to deformation and damage to machinery.
Innovation Solution
A hydrostatic plate bearing design incorporating a body with a mounting surface and an oil chamber, featuring serially connected orifice and membrane restrictors that split the working fluid flow, allowing for adjustable pressure regulation and increased stiffness through a two-stage pressure drop mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If conventional flow restrictors are used, then pressure buffering function is provided, but operation pressure is high and stiffness is low
Solution Approach 1:
The flow restrictor is divided into multiple independent restrictors (first restrictor, second restrictor, third restrictor) arranged in parallel. Each restrictor handles a portion of the fluid flow, distributing the pressure buffering function across multiple elements. This segmentation allows each individual restrictor to operate at lower pressure while maintaining overall system stiffness through the combined effect of all restrictors.
2Reliability
If conventional flow restrictors are used, then pressure buffering is achieved, but manufacturing cost is high
Solution Approach 1:
Multiple restrictors are merged into a single integrated component structure where they share common mounting features, sealing elements, and housing. This merging approach maintains the pressure buffering capability of multiple independent restrictors while reducing overall manufacturing cost through simplified production processes, fewer parts, and easier assembly compared to using multiple separate restrictor components.
3Ease of operation
If conventional flow restrictors are used, then pressure regulation is provided, but adjustment and replacement are difficult
Solution Approach 1:
The restrictors are designed with adjustable features that allow dynamic modification of flow characteristics during operation or maintenance. The parallel arrangement enables individual restrictors to be adjusted or replaced independently without affecting the entire system, providing both pressure regulation flexibility and ease of maintenance. This dynamic design allows users to optimize performance by adjusting individual restrictor openings or replacing only the necessary components.
4Productivity
If conventional flow restrictors are used, then flow restriction is achieved, but rotation-speed adaptation is poor
Solution Approach 1:
The parallel restrictor configuration allows the system to adapt to varying rotation speeds by changing the effective flow resistance parameters. At different rotation speeds, the pressure differential across the restrictors changes, and the parallel arrangement automatically adjusts the flow distribution to maintain optimal restriction characteristics. This parameter-based adaptation enables the system to handle a wide range of rotation speeds without requiring mechanical adjustments or specialized speed-matching mechanisms.
5Reliability
If conventional flow restrictors are used, then pressure buffering is provided, but stability is poor and deformation occurs
Solution Approach 1:
By dividing the pressure buffering function across multiple parallel restrictors, the system distributes mechanical stresses and prevents concentration of forces on a single component. This segmentation enhances operational stability by reducing the likelihood of deformation in any individual restrictor, as each handles a smaller portion of the total load. The parallel configuration also provides redundancy, where if one restrictor experiences stress, the others continue to function, maintaining overall system stability.
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 hydrostatic plate bearing provides improved stiffness, adaptability to varying loads, and ease of replacement or adjustment, reducing the risk of deformation and enhancing the stability and performance of machinery.
Implementation Method 1
a working fluid that is flowing into the body via the mounting surface is split to flow through the orifice restrictor and the membrane restrictor
Implementation Method 2
hydrostatic plate bearing
Data Source
AI summary
The present disclosure relates to a hydrostatic plate bearing, which comprises: a body, and a plurality of restrictors. Wherein, the body is formed with a mounting surface and an oil chamber that are disposed opposite to each other; the plural restrictors includes an orifice restrictor and a membrane restrictor while allowing the orifice restrictor and the membrane restrictor to be serially connected to each other. Operationally, a working fluid that is flowing into the body via the mounting surface is split to flow through the orifice restrictor and the membrane restrictor, in that the split flow of the working fluid that is flowing through the orifice restrictor is guided to flow into the oil chamber.