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Electro-hydraulic proportional control of twin-cylinder hydraulic elevators
Control Engineering Practice, 2001Abstract The large size of the cab of an electro-hydraulic elevator necessitates the arrangement of two cylinders located symmetrically on both sides of the cab. This paper reports the design of an electro-hydraulic system which consists of three flow-control proportional valves.
Li, K., Mannan, M.A., Xu, M., Xiao, Z.
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Hydraulic Cylinder Leakage Test
2021<div class="section abstract"> <div class="htmlview paragraph">Applies to hydraulic cylinders which are components of off-road self-propelled work machines defined in SAE J1116.</div> </div>
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Dynamic analysis of hydraulic cylinder
2021Many machines and machine mechanisms run under dynamic working conditions. The vibrations produced under dynamic conditions affect many important design parameters such as strength, production costs, productivity. In this thesis, the vibration analysis of a hydraulic cylinder subjected to dynamic loads is studied.
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Hydraulic Cylinder Integrity Test
2020<div class="section abstract"> <div class="htmlview paragraph">Applies to hydraulic cylinders which are components of Off-Road Work Machines defined in SAE J1116.</div> </div>
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Hydraulic cylinder suspension method
The Journal of the Acoustical Society of America, 2008The present invention discloses a hydraulic cylinder suspension method for actively controlling shock-induced vibration when a hydraulic cylinder in a construction vehicle makes a sudden stop, the method comprising the steps of: determining whether the hydraulic cylinder makes a sudden stop; receiving a pressure signal; determining an operational ...
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HYDRAULIC CYLINDER TEST PROCEDURE
2017<div class="section abstract"> <div class="htmlview paragraph">This test procedure describes tests for determining characteristics of hydraulic cylinders as used on construction and industrial mobile machinery as referenced in SAE J1116. In this code, metric equivalents are established according to SAE J916.
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Hydrogen Embrittled Hydraulic Cylinders
2019Abstract Two types of chromium-plated hydraulic cylinders failed by cracking on their outer surfaces. In one case, the parts had a history of cracking in the nominally unstressed, as-fabricated condition. In another, cracks were detected after the cylinders were subjected to a pressure impulse test.
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Design and experiment on light weight hydraulic cylinder made of carbon fiber reinforced polymer
Composite Structures, 2022Bing Li, Zongxia Jiao
exaly
PISTONS FOR CYLINDERS IN HYDRAULIC UNITS
2003The invention relates to a series of pistons for cylinders in hydraulic units, in particular for hydraulic brake and clutch systems for motor vehicles. The cylinder comprises a housing with a housing drilling and the piston which may be displaced axially therein, pressurised on at least one front face by a hydraulic fluid and sealed against the housing.
INA SCHAEFFLER KG +2 more
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