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6953109 Vibration isolator with low lateral stiffness  
A vibration isolator ( 200 ) for isolating a first assembly ( 202 ) from vibration from a second assembly ( 204 ) includes a housing ( 206 ) that is secured to the second assembly ( 204 ) and a...
6938889 Shock absorbing and magnetic levitating cushion  
A shock absorbing and magnetic levitating cushion used as a supporting pedestal for an audio-video equipment, the cushion including a housing, two mutually excluded annular magnets, a magnetic...
6935471 Active dynamic beater  
The invention provides a dynamic beater comprising a spring-mass unit, said unit having a mass M and a stiffness K actuated by a drive motor and presenting a device for coupling to a host structure...
6935206 Vibration control by confinement of vibration energy  
A method of producing an optimized structure design incorporating vibration confinement is provided. The method includes providing structural specifications and vibration confinement specifications...
6923299 Programmable variable spring member  
A variable spring member includes a containment housing defining an inner chamber with alternating layers of compressible medium and electro-reactive medium. Adjacent each layer of electro-reactive...
6920967 Controller for reducing excessive amplitude of oscillation of free piston  
An apparatus for detecting and reducing excessive amplitude of oscillation of a free piston slidably mounted in a housing. The housing has a vibration absorber, including a mass mounted through a...
6916017 Vibration damper device  
The invention relates to a damper device for damping vibration, the device comprising an energy converter device mounted on a baseplate for fixing to a structure, the energy converter device...
6911117 Method and equipment for attenuation of oscillation in a paper machine or in a paper finishing device  
A method and apparatus for damping vibration in a paper machine. The apparatus having a dynamic damper which includes a weight suspended by a spring. The spring constant of the spring is changed by...
6907969 Active type dynamic damper  
A damper main body of a dynamic damper comprises a long flat mounting plate portion, a rod-like central supporting metal member which is erected vertically in the center of a top face of the...
6902157 Vibration isolator  
A vibration isolation assembly comprises a base, a plunger and an annulus of resilient material between the base and plunger. The base has a pair of oppositely inclined, internal, tapered surfaces...
6889965 Opposing conical preloaded elastomeric bearing assembly  
The invention provides a weight-reducing bearing assembly for rotary aircraft. An opposed tapered conical elastomeric flap bearing assembly for rotary aircraft includes an outer housing having an...
6881963 Vibration control of an object  
An apparatus for controlling motion of an object includes a first actuator for moving the object, an elastic-motion measuring unit for measuring elastic motion of the object, and a control unit for...
6878873 Damping sleeve with resilient support members  
A damped sleeve having a damping layer attached to a backing layer is disclosed. The damping layer is formed from a non-woven energy absorbing felt and is attached to the backing layer by lines of...
6874748 Active floor vibration control system  
An active vibration control system for controlling excessive or unwanted vibrations in floors or other structures. The system has three main components: (1) velocity sensor w/signal conditioner;...
6867949 Vibration-damped push-pin assembly for disk drive servo writing  
The present invention is directed to a push-pin assembly for use with a positioning arm of a disk drive servo writer. The push-pin assembly promotes vibrational damping between the push-pin...
6851529 Multifunction vibration isolation strut  
An isolation strut and strut support system for supporting a load and capable of operating in a first mode and a second mode comprising an air suspension spring connected to a load bearing shaft; a...
6817352 Dynamic stabilizer  
A dynamic stabilizer comprising an elastomerically cushioned weight coaxially and movably mounted on an elastomerically cushioned support rod. In the preferred embodiment, the stabilizer includes a...
6805337 Apparatus for isolation of payloads with low transmissibility  
A payload isolation system for isolating a payload from a base structure upon which the payload is supported. The payload isolation system includes: a motion constraint for maintaining a parallel...
6782981 Antivibration apparatus including a mass damper  
An antivibration apparatus for limiting vibrations of a virbrating element, comprising a mass, two elastic members connected to the mass, and a support member including a metal sheet plate having a...
6773000 Vibration isolation spring mount  
A vibration isolation spring mount is disclosed. A compression coil spring is inserted between an inner sleeve and an outer sleeve and a pair of pads are disposed on the inner sleeve and the outer...
6762514 High voltage DC power supplier  
A high voltage DC power supplier includes: a transformer driven by a switching device, transforming an input voltage to a certain level of high voltage, and outputting the transformed high voltage;...
6758312 Apparatus and method for vibration-isolating bearing of loads  
An active system for isolating vibrations includes: at least one first vibratio-isolating device, arranged between a load and a sstanding surface, for at least partially decoupling the static and...
6758313 Method and apparatus for operating a vibration isolation system having electronic and pneumatic control systems  
A method and apparatus for implementing an active vibration isolation system (AVIS) is provided. The AVIS includes a pneumatic control system and an electronic control system. The pneumatic control...
6754571 Control of magnetorheological engine mount  
A system and method of controlling engine vibration mounted within a vehicle including at least one hydraulic mount, each mount including a fluid chamber. A pair of accelerometers sense relative...
6746005 Constant natural frequency passive-active mount  
A “passive-active” mount includes an emanator-securement plate, a foundation-securement plate, at least one elastomeric “streamlined resilient element,” and at least one collocated motion...
6742393 Vibration control apparatus, vibration control method, exposure apparatus, and device manufacturing method  
The object of this invention is to constitute a high-accuracy position control system even for a low-rigidity object to be controlled. To achieve this object, a vibration control apparatus includes...
6719108 Virbration damping device for vehicles  
Vibration damping device for vehicles includes: a rigid housing member having an accommodation space and fixed to a vibrative member; and an independent mass member having a rigid mass body and an...
6708962 Smart isolation mounts with continuous structural elements featuring vibration energy management  
A mount that can be used to connect a vibration-generating substructure to a main structure. The mount uses vibration diverters to couple the vibration-generating substructure to the main...
6705440 Cable stay damper band and method of use for reduction of fluid induced cable vibrations  
Fluid current induced vibrations, as well as vortex shedding vibrations induced in a cable stay or a similar elongated, cylindrical element are dampened and substantially eliminated by applying a...
6688587 Method for the adaptation of a machine support  
A method is provided for adapting or adjusting a machine support where the weight of the machine is accommodated exclusively by a main support. For a differentiated adaptation of the machine...
6688439 Vibration damping system and a method of damping vibrations  
A vibration damping system ( 8 ) wherein the system ( 8 ) comprises a magnetism generating medium ( 12 ) and a magnetism energy dissipating medium ( 16 ) whereby, in use, vibration of the magnetism...
6676116 Elastomeric suspension and mounting system  
A vibration isolator is provided that includes a plurality of elastomeric members. The vibration isolator also includes first and second supports. The first and second supports cooperate with the...
6672573 Displacement amplification method and apparatus for passive energy dissipation in seismic applications  
An apparatus and method of dissipating inter floor seismic energy within buildings and other large structures which are subject mechanical deformation in response to seismic activity, wind shear,...
6672434 Method and device for influencing the transfer of vibrations of a vibration generator to an object connected to it, in particular of engine vibrations to the body of a motor vehicle  
A method and a device for influencing the transfer of vibrations of a vibration generator to an object connected to it, in particular of engine vibrations to the body of a motor vehicle. At least...
6671124 Shock and vibration system  
A shock and vibration isolation system for an article comprising a set of elastomers circumferentially positioned in a shear mode around a member carried by the article to simultaneously support...
6655668 Universal vibration damper  
A device for the control of vibrations comprises a retainer resting on a base and a plurality of bearings disposed within the retainer. The bearings are arranged in a first layer and a second...
6626411 Active isolation module  
A vibration isolator for isolating a load from a floor. The vibration isolator may have an active isolator assembly that isolates the load in a first direction and a passive isolator assembly that...
6599640 Vibration damper including polyamide-resin member covered by elastic layer, and method of producing the same  
A vibration damper of composite type including a vulcanized-rubber body formed of a vulcanized rubber material and a polyamide-resin member formed of a polyamide resin material. The...
6598717 Active-passive hybrid constrained layer for structural damping augmentation  
The invention is a method and apparatus for surface damping augmentation. The apparatus of the present invention includes a viscoelastic material, a hybrid constraining layer mechanically connected...
6595501 Cone and ball bearing vibration damper  
A damper for isolation of vibration includes: three ball bearings; a bearing support member having a sloping top side portion adapted to gently maintain the three ball bearings in spaced position...
6590639 Active vibration isolation system having pressure control  
An active vibration isolation system includes a pneumatic control system and an electronic control system. The pneumatic control system supports a mass sensitive to vibration and isolates the mass...
6585241 Device for the vibration-absorbing mounting of a compressed-air generator on a mounting support of a rail vehicle  
A device for the vibration-absorbing mounting of a compressed-air generator including a first spring element which is mounted on a mounting support. A second spring element is provided on which the...
6585240 Vibration relief apparatus and magnetic damper mechanism therefor  
A vibration relief apparatus capable of reducing a frequency at a resonance point, to thereby reduce vibration transmissibility, resulting in improving a feeling in riding in a vehicle during...
6578682 Compact vibration isolation system for an inertial sensor assembly  
Disclosed is a compact vibration isolation system for mounting an inertial sensor assembly (ISA) to an Inertial Measurement Unit (IMU) housing. The housing is mounted to a support that is subjected...
6578835 Cross elastomer mount  
A cross elastomer mount comprising a body composed of an elastomer and having a plurality of legs, a first platform for supporting a first member and a second platform for supporting a second...
6578836 Shock absorber for automobile  
A shock absorber for an automobile which exhibits a vibration damping effect in a wide range of a frequency, while suppressing generation of frictional noise. The shock absorber for the automobile...
6572086 External cushion protector for bumper of a parked vehicle  
A portable cushion protector which is easily attachable to and detachable from the rear portions of an automobile and which protects its rear bumper from scratches and other damage while it is...
6568666 Method for providing high vertical damping to pneumatic isolators during large amplitude disturbances of isolated payload  
A vibration isolator with a flange that extends from a piston. The piston may be coupled to a housing by a diaphragm. The diaphragm and flange define a balancing chamber that is in fluid...
6557675 Tunable vibration damper for processor packages  
The present invention relates to a method and apparatus that minimizes shock/vibrational motion in interposer sockets. The ability to control shock/vibration can ensure successful operation and...
6554112 Vibration-damping device for vehicle  
A vibration-damping device for damping vibrations of a vibrative member of a vehicle, including: a mass member disposed in the vibrative member such that the mass member is non-adhesive to and is...