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Review Article

Recent Patents for Control Devices of Fluid Pressure

Author(s): Baocheng Xie*, Yi Wang, Chaoxiang Li, Hanyang Zhang, Yongxing Zhang and Haobin Su

Volume 16, Issue 3, 2022

Published on: 16 September, 2021

Article ID: e160921196565 Pages: 11

DOI: 10.2174/1872212115666210916155548

Price: $65

Abstract

Fluid pressure, an important parameter of fluid flow, affects the control accuracy and stability of fluid transmission. The control devices of fluid pressure are widely applied to the mechanical transmission control, which is the main means to change the fluid pressure and improve control accuracy and stability in the mechanical transmission system. To control the accuracy and stability of the fluid transmission, the pressure control device is divided into pressure reduction devices, pressurization devices, and stabilizing pressure devices. The characteristics of pressure control devices with different functions are analyzed from the structure of the device. Thus, more and more attention has been paid to the control devices of fluid pressure.

To meet the increasing requirement of control accuracy and stability of fluid transmission, the control devices of fluid pressure, such as pressure reduction devices, pressurization devices, and stabilizing pressure devices, are being improved continuously.

This paper reviews various current representative patents related to pressure reduction devices, pressurization devices, and stabilizing pressure devices of fluid pressure.

By investigating various patents on the control devices of fluid pressure, the main current existing problems of the pressure control devices, such as low control accuracy and poor stability, are summarized and analyzed. Furthermore, the development trend of the control devices of fluid pressure has also been discussed.

The optimization of the structure and function of the control devices of fluid pressure is conducive to improve the control accuracy and stability of transmission of the fluid. More relevant patents will be invented in the future.

Keywords: Control devices, fluid pressure, control accuracy, stability, pressure reduction, pressurization, stabilizing pressure.

Graphical Abstract

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