Results 311 to 320 of about 96,808 (361)
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The Journal of the Acoustical Society of America, 1980
A damper for pianos comprises a damper block arranged on a pivotable lever or rod and is limited substantially on all sides by convex outer surfaces, and a damper head cooperating with the piano wire and engageable with the damper block through complementary curved surfaces.
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A damper for pianos comprises a damper block arranged on a pivotable lever or rod and is limited substantially on all sides by convex outer surfaces, and a damper head cooperating with the piano wire and engageable with the damper block through complementary curved surfaces.
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Comparative Studies on Structures with a Tuned Mass Damper and a Particle Damper
Journal of Aerospace Engineering, 2018AbstractIn recent years, much attention has been paid to the research and development of a new kind of passive control device named a particle damper, which has a very similar configuration and app...
Zheng Lu, Kun Li, Ying Zhou
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Vibration of cables and dampers — I
Electrical Engineering, 1936An analysis of the vibration of cables and dampers, representing the results of several years of research and laboratory and Field testing, is presented in this paper. In Part I, presented herewith, an explanation of the causes and nature of free harmonic vibration of the cable is offered followd by an of the cable is offered, followed by an analysis ...
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The Journal of the Acoustical Society of America, 1994
Adjustable vibration damper, in particular for motor vehicles, with a cylinder containing a damping fluid, an axially-movable piston rod inserted in the cylinder in a sealed manner, and a damping piston fastened to the piston rod, which piston divides the cylinder into two work chambers, whereby a damping valve with an axially-movable valve body and a ...
Norbert Ackermann, Heinz Knecht
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Adjustable vibration damper, in particular for motor vehicles, with a cylinder containing a damping fluid, an axially-movable piston rod inserted in the cylinder in a sealed manner, and a damping piston fastened to the piston rod, which piston divides the cylinder into two work chambers, whereby a damping valve with an axially-movable valve body and a ...
Norbert Ackermann, Heinz Knecht
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A Passive Vibration Isolator Integrated a Skyhook Damper or a Groundhook Damper
Journal of Vibration Testing and System Dynamics, 2020Presented in this paper is a passive vibration isolator integrated a skyhook damper or groundhook damper. The dynamic behavior of the isolator supporting a lumped mass is investigated using force and displacement transmissibility of the isolator. Force and displacement transmissibility are derived by modelling the new isolator a two-degree-of-freedom ...
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Modelling of frictional damper with equivalent viscous damper
AIP Conference Proceedings, 2020K. V. Gangadharan, Katari Kiran
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Robust optimum design of a tuned mass damper inerter
Acta Mechanica, 2020Ali Kaveh +3 more
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The Journal of the Acoustical Society of America, 1986
A viscous spring damper including inner and outer members connected by an elastomeric shear spring and having a main or first fluid chamber disposed therebetween for communication with a second fluid chamber in the inner member through a restricted orifice.
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A viscous spring damper including inner and outer members connected by an elastomeric shear spring and having a main or first fluid chamber disposed therebetween for communication with a second fluid chamber in the inner member through a restricted orifice.
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A Flexible Electromagnetic Damper
2007 IEEE International Electric Machines & Drives Conference, 2007This paper introduces a new passive suspension system for vehicles. The system is based on a flexible electromagnetic damper. In the proposed system, it is attempted: a) to select a variable damping coefficient usable in a car; b) determine the physical dimensions and geometry of an electromagnetic damper to be not very different from mechanical ...
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The Journal of the Acoustical Society of America, 2010
A damper that provides damping to the motion caused by flow induced vibration of a bellows type expansion joint. The damper is at least partially filled with a damping medium and located at a root region of the bellows type expansion joint convolutions. The damper is manufactured in segments which have an attachment structure therebetween to facilitate
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A damper that provides damping to the motion caused by flow induced vibration of a bellows type expansion joint. The damper is at least partially filled with a damping medium and located at a root region of the bellows type expansion joint convolutions. The damper is manufactured in segments which have an attachment structure therebetween to facilitate
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