vibration (Total 87286 Patents Found)

A vibration generator comprises a first vibrator having a permanent magnet and supported by a first spring body on a fixing member, and a second vibrator having a coil so disposed as to intersect the magnetic flux of the permanent magnet and supported by a second spring body on the fixing member. One of the first vibra...
A carriage, driven along a carriage rod, rests on the carriage rod at carriage V-bearings. The V-bearing connection is open at the bottom. A magnetic preloader applies a magnetic force biasing the carriage toward the carriage rod. A roller coupled to the carriage runs along a track surface away from the carriage rod. A...
A vibration control device of a vibration type motor stops motor driving when the actual driving speed, does not come close to a target speed though the frequency of a driving periodic signal is feedback-controlled to the target speed, to prevent an error when the driving circuit fails....
A pre-shaped, self-adhesive vibration-damping member for a deformed portion includes a vibration-damping layer having a contact face that is adapted to be brought into contact with the deformed portion and is shaped in advance such that the contact face matches the shape of the deformed portion, an adhesive layer on th...
A method with and associated apparatus for vibration-filling electrodes in a paste bath. A holding tool connected to a vertical rotary shaft carries the electrode and, arranged above it, a vibration reflection body. The electrode and vibration reflection body are immersed in the paste bath, filling of the electrode is ...
A vibration damping device having a rubber heat-insulating cover wherein the rubber heat-insulating cover is formed as a separate component from a stopper member and is disposed between the stopper member and a main rubber elastic body connecting a first and second mounting member. The rubber heat-insulating cover is f...
The present invention relates to a method for manufacturing a sintered bearing having a bearing surface that forms a bearing gap with a shaft to be supported, in its inner periphery. This manufacturing method includes: a compacting step P 2 of compacting a base powder containing a diffusion alloyed powder 11 prepare...
What is illustrated and described is a pump assembly ( 1 ) for a pump., particularly for a miniature pump, with an electric motor ( 2 ) and with a housing unit ( 3 ), wherein the electric motor ( 2 ) has a motor shaft ( 5 ) passing freely through a motor housing of the electric motor ( 2 ) and the motor housing is conn...
Disclosed is a thermoplastic elastomer composition which is excellent in a vibration-proof property and a sound-proof property, and which has flexibility, wear resistance and processability at the levels required for a member (e.g., a roller) to be used in an image-forming device (e.g., a printer). The thermoplastic el...
A control device for suppression of residual vibration of a piezoelectric transducer includes a capacitive energy storage component, and a switch unit. The control device is operable in a non-working mode, in which the switch unit provides voltage on the capacitive energy storage component to the piezoelectric transduc...
A method and apparatus for measuring the vibration characteristics of an object is disclosed. The method includes illuminating the object using at least two light sources, the at least two light sources emitting light of distinct colors wherein each of the at least two light sources are strobed at a respective delay, c...
A rotorcraft vibration isolation system includes a plurality of liquid inertia vibration elimination (LIVE) units mounted on a first rotorcraft surface, an accumulator mounted on a second rotorcraft surface at a location that is remote from locations of the plurality of LIVE units, and a fluid passage to connect the ac...
A reliable encoder capable of reducing vibration of a printed board when the encoder is subjected to vibration or shock, by means of a simple structure. The encoder has a housing, a rotating code plate arranged in the housing and configured to rotate in synchronization with an object to be measured, a printed board att...
Primary vibrations (P) from a repetitive source (1) of such vibrations are nulled in a location (2) by specially generated secondary vibrations (S) fed to the location (2) from an actuator (6). The actuator (6) is driven by a waveform generator (4) which is synchronised to the source (1) by a synchronising signal on th...
A method of cementing an oil or gas well for abandonment comprises cutting the production tubing 6 above the production packer 8, setting a tubing plug 9 in the tubing and then cutting the tubing. A bridge plug may be installed at the level of the cut, which spans the full diameter of the well casing 3. An agitator ass...
A passive ceiling and floor damping and vibration isolation system and method for determining parameters thereof, utilizing the anti-resonance of an "inertial container (b1, b2)-spring (k1, k2)-mass (m1, m2)" vibration state converting system to convert the resonance of the isolated mass to the resonance of the...
Microsystème pour l'isolation vibratoire active, caractérisé en ce qu'il comporte un support qui comprend un cadre (1) et au moins deux poutres (2a, 2b) qui se croisent et portent ou sont destinées à porter un élément à stabiliser (3), lesdites poutres (2a, 2b) portant au moins une couche piézoélectri...
Cette invention concerne des moteurs oscillants, des applicateurs et des appareils de soins personnels. Dans certains cas, les moteurs oscillants selon l'invention confèrent un mouvement oscillant approprié à une ou plusieurs pièces ou sections de pièce associées par l'intermédiaire d'une première e...
L'invention porte sur des systèmes (100) et sur des procédés de commande de vibration active. Ces systèmes (100) sont extensibles, et comprennent une pluralité de dispositifs de commande de vibration (110) et au moins un premier dispositif de commande (102) relié de façon numérique à un second dispositif d...