Results 1 to 10 of about 6,027 (213)

Comparison of effectiveness of the piston-pump method versus the pressure-infusor method for rapid infusion of crystalloids: A bench study [PDF]

Indian Journal of Anaesthesia, 2020
Background and Aims: The piston-pump method is a simple method for rapid administration of fluids but some problems are unsolved. We compared the effectiveness of using the piston-pump method with that of the pressure-infusor method.
Wataru Hashimoto, Ichiro Takenaka, Keisuke Yasunami, Tomoko Minami, Haruhiko Sano   +4 more
doaj   +2 more sources

Intelligent Fault Diagnosis of Hydraulic Piston Pump Based on Wavelet Analysis and Improved AlexNet [PDF]

Sensors, 2021
Hydraulic piston pump is the heart of hydraulic transmission system. On account of the limitations of traditional fault diagnosis in the dependence on expert experience knowledge and the extraction of fault features, it is of great meaning to explore the
Yong Zhu, Guangpeng Li, Rui Wang, Shengnan Tang, Hong Su, Kai Cao   +5 more
doaj   +2 more sources

Research on the Volumetric Efficiency of a Novel Stacked Roller 2D Piston Pump

Machines, 2021
In order to improve the volumetric efficiency of the axial piston pump, this paper proposes a novel stacked roller 2D piston pump. It utilizes the alternate communication between the distribution cylinder and the oil intake and discharge ports of the ...
Chenchen Zhang, Jian Ruan, Tong Xing, Sheng Li, Bin Meng, Chuan Ding   +5 more
doaj   +3 more sources

Volumetric efficiency degradation prediction of axial piston pump based on friction and wear test [PDF]

Heliyon
Jin Zhang, Wenlong Yin
exaly   +2 more sources

Control and Dynamic Characteristics Analysis for the Double-Compound Axial Piston Pump Based on Working Conditions

Machines, 2022
The periodic flow and pressure pulsation of the axial piston pump can lead to periodic vibration, noise, and even damage to various components in the hydraulic system.
Zhiyuan Sun, Qingliang Zeng, Lirong Wan, Hanzheng Dai   +3 more
doaj   +1 more source

Research on the Vibration Characteristic of a Seawater Hydraulic Piston Pump System and Vibration Reduction Approach

IEEE Access, 2021
Seawater hydraulic piston pump has been widely used in ocean engineering and become a key power component for underwater equipment due to its inherent characteristic such as energy conservation and environment friendly.
Zuti Zhang, Yunzhi Liang, Kai Zhao, Xinping Long, Hanyang Liu   +4 more
doaj   +1 more source

PISTON PUMPS

Globus: technical sciences, 2022
In this article, a description of piston pumps is made, the design of pumps is studied, the scope of application of pumps is considered, the study of malfunctions and recommendations for operation.
Ali Salameh, Alexander Valerievich Yakovenko   +1 more
openaire   +1 more source

STUDY ON A NEW DESIGN OF GROUTING PUMP FOR MANAGING WATER INRUSH IN KARST TUNNELS [PDF]

Civil Engineering Journal, 2018
The low flow rate and efficiency of existing grouting pumps such as piston pumps and diaphragm pumps result in difficulty in managing sudden water and slurry discharges.
Li Shucai, Li Mengtian, Zhang Xiao, Zhang Qingsong   +3 more
doaj   +1 more source

Progress on Tribological Characteristics and Surface Texturing of Plunger Pairs in Axial Piston Pump

Taiyuan Ligong Daxue xuebao, 2023
Purposes It was expected to provide a reference for improving the performance, lifetime and service safety of piston pump. Methods This work reviewed the oil film charateristics of plunger pairs from the view of theoretical calculation and simulation ...
Naiming LIN, Jie WANG, Qiang WANG, Huanhuan WANG, Shuo YUAN, Zhiqi LIU, Qunfeng ZENG, Yucheng WU   +7 more
doaj   +1 more source

Study on Restraining Cavitation of Axial Piston Pump Based on Structure of Cylinder Block and Valve Plate Triangular Throttling Groove

Shock and Vibration, 2022
Raising the rotational speed is an effective way to improve the power density of axial piston pump, but high rotational speed tends to cause plunger cavity and valve plate throttling groove cavitation.
Sun Zegang, Li Yundong, Liang Ning, Zhong Hongmin   +3 more
doaj   +1 more source