Results 1 to 10 of about 7,480 (290)

Novel Linear Hydraulic Actuator

ASME/BATH 2015 Symposium on Fluid Power and Motion Control, 2015
In the area of linear motion, infinite stroke only is provided by electric actuators today, until now there has been no hydraulic alternative. The novel linear hydraulic actuator consists of two double acting cylinders with a common piston rod. The working principle of this actuator for short movements is that at least one piston is connected to the ...
Magnus Landberg, Martin Hochwallner, Petter Krus   +2 more
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Hydraulically actuated artificial muscles

SPIE Proceedings, 2012
Hydraulic Artificial Muscles (HAMs) consisting of a polymer tube constrained by a nylon mesh are presented in this paper. Despite the actuation mechanism being similar to its popular counterpart, which are pneumatically actuated (PAM), HAMs have not been studied in depth.
M. A. Meller, R. Tiwari, K. B. Wajcs, C. Moses, I. Reveles, E. Garcia   +5 more
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A hydraulically-actuated vibrating table.

In engineering testing, a requirement frequently arises for subjecting components or assemblies to vibrations, in order to observe whether they possess undesirable resonances in their component parts, or whether they are sufficiently robust to operate under environmental conditions of severe vibration.
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Alternatives to chrome for hydraulic actuators

Sealing Technology, 2007
The replacement of hard chrome as a wear and corrosion resistant coating is receiving considerable attention in certain application areas. One of the primary applications of interest to the sealing community is the coating of hydraulic cylinder piston rods.
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Electro-hydraulic linear actuator

2016 39th International Spring Seminar on Electronics Technology (ISSE), 2016
The paper presents an electro-hydraulic linear actuator used at Tuzla Sea Survival School on the Cabin Emergency and Escape Trainer CEET B732 developed by author, which implements their research about electro-hydraulic system driven by common PLCs.
Marian Blejan, Ioana Ilie, Radu Radoi, Corneliu Cristescu   +3 more
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Hydraulic Actuation

2022
Thiago Boaventura, Claudio Semini
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Pressure Peaks in the Hydraulic Actuator

Journal of Basic Engineering, 1965
Results are presented of theoretical and experimental studies of the pressure peaks occurring in valve-controlled hydraulic actuators operated under severe loading conditions. Oil compressibility is shown to reduce the magnitude of these peaks. Valve overlap has the opposite effect.
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Hydraulically Actuated Soft Tubular Gripper

2022 International Conference on Robotics and Automation (ICRA), 2022
James Davies 0002, Phuoc Thien Phan, Diana Huang, Trung Thien Hoang, Harrison Low, Mai Thanh Thai, Chi Cong Nguyen, Emanuele Nicotra, Nigel H. Lovell, Thanh Nho Do   +9 more
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Electro-hydraulic actuator.

1990
An electro-hydraulic actuator has an electric motor (25) disposed in a hydraulic fluid reservoir (17) and connected to drive a hydraulic fluid pump (23). The actuator includes an actuator rod (15) which extends or retracts as a piston (20) is hydraulically driven in a cylinder (19). An actuator housing (13) forms the reservoir (17) and the cylinder (19)
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HYDRAULIC CLUTCH ACTUATOR

2000
The invention relates to a clutch with a pressure plate (1) which in an engaged position pushes a driving disk (2) against a counter surface (3). For releasing the clutch, said pressure plate displaces a clutch controller (7) into a disengaged position in which the pressure plate (1) does not push the driving disk (2) against the counter surface (3 ...
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