Match Document Document Title
9038793 Centrifugal pendulum device  
Centrifugal pendulum device including pendulum masses arranged on axial sides of a pendulum mass support rotatable about an axis of rotation to form a pendulum mass pair. To form the mass pair,...
9027720 Vibration damping mechanism  
A vibration damping mechanism allows increase of an absorption amount of vibration energy, with less possibilities of increase in the manufacture cost of a vibration damping weight and of...
9010506 Vibration absorber for damping mechanical vibrations  
The invention relates to a vibration absorber for damping mechanical vibrations of a structure capable of vibration at least in some portions. The vibration absorber comprises at least two...
9004246 System for damping oscillations in a structure  
A system for damping oscillations in a structure provides two masses that can be controlled to rotate at the frequency of oscillation of the structure and in opposite directions about axes of...
8998185 Vibration damping device for vertically cantilevered pump assemblies  
A Tuned Mass Damper (TMD) for damping oscillations of a hanging vertical pump structure includes a removable mass symmetrically configured within the pump structure diameter and supported by a...
8991573 Damper  
A damper having an elastic body formed from a cross-linking product of an EPDM composition, which comprises (a) 100 parts by weight of at least one kind of EPDM, whose propylene content in sum...
8967927 Machine tool  
The table on which a workpiece is put can travel on a guide rail mechanism relative to a working head with a cutting tool mounted thereon. The table is connected through a nut to a ball screw part...
8960390 Vehicle-mounted active vibration reducing device  
Provided is a vehicle-mounted active vibration reducing device wherein vibrations in a plurality of directions are reduced by a single dynamic damper. Since an actuator is attached so as to be...
8931607 Centrifugal pendulum vibration absorber  
A centrifugal pendulum vibration absorber (CPVA) for absorbing torsional vibration created by operation of an engine includes a plurality of pendulums moveable with respect to a rotatable shaft....
8931601 Dampening device  
An assembly for dampening vibration movement between a cylinder and a concentric duct, where the cylinder is positioned radially inside the duct, includes a damper attached to the duct. The damper...
8915340 Actuator arrangement for active vibration isolation comprising an inertial reference mass  
Actuator arrangement with an actuator (8), a reference mass (22), a spring (24) and a first sensor (26; 42, 43; 32, 36). The actuator (8) applies a force between a first object (2) relative to a...
8910762 Centrifugal-pendulum vibration absorbing device  
A centrifugal-pendulum vibration absorbing device, including a member attached coaxially with a rotary element; and mass bodies swingably coupled to the support member and disposed adjacent to...
8899392 Damper for decreasing a pipe vibration  
A damper for decreasing a piping vibration capable of enhancing the efficiency in decreasing the piping vibration and adjusting the weight of a weight portion according to the type of the...
8899393 Active vibration isolation system  
An active damping system for use in connection with a vibration isolation system includes an intermediate mass between a base and an isolated payload. The intermediate mass is supported by at...
8851250 Active vibration isolation system  
The invention relates to an active vibration isolation system which detects structural vibration of the mass to be isolated via a sensor and also takes account of these disturbance variables.
8851460 System and method for tuning the resonance frequency of an energy absorbing device for a structure in response to a disruptive force  
The invention is a system and method for automatically adjusting the resonance frequency of an energy absorbing device in response to a disruptive force. By configuring an energy absorbing device...
8855826 Controller for reducing vibrations in mechanical systems  
Vibration in a mechanical system driven by a motor connected to a load is reduced by providing an angular position and an angular velocity of the motor to a linear feedback term and to a nonlinear...
8839916 Control method for parking release apparatus of shift-by-wire shifting device  
A control method for a parking release apparatus of a shift-by-wire shifting device can improve the commercial value of a vehicle by improving safety of the vehicle and preventing robbery, by...
8820496 Damper for damping vibrations with a damping body promoting formation of foam  
A damper includes at least one substantially longitudinal damping body with two end surfaces and one substantially longitudinal surface between. The damping body is placed in a substantially...
8807305 Vibration absorber  
A system for absorbing vibration in a rotary member having a predetermined rotary speed of the present invention has a selectively moveable mass and a positioning mechanism. The mass is in...
8807304 Vibration damping device  
A vibration damping device capable of achieving sufficient vibration damping effect utilizing members for converting kinetic energy into thermal energy. In the vibration damping device, a...
8789319 Seismic-incurred-rupture-resistant deformation-recordable buckling-restrained brace and fabricating method thereof  
A seismic-incurred-rupture-resistant deformation-recordable buckling-restrained brace is disclosed. A core plate is disposed in the concrete filled steel tubular outer sleeve, and an end portion...
8763771 Active oscillation damper without direct acceleration detection  
An active oscillation damper has a balancing mass which is movable relative to an oscillating mechanical structure. The control device then determines a compensation movement for the balancing...
8726762 Tunable mass damper for use with a reaction wheel assembly  
A tunable mass damper (TMD) is provided that can be coupled to a rotating inertia apparatus such as a reaction wheel assembly (RWA). The TMD includes a housing that contains a flexure, a mass, and...
8729764 Variable damping circuit for a synchronous servomotor  
A damper circuit for damping a synchronous servo-motor having at least one winding, at least one main damper resistor, connection means for connecting the main damper resistor in series with the...
8731743 Self tuning vibration isolation system  
A system and method to isolate vibrations from a vibrating structure. The system includes an adjustable vibration isolator that creates a reacting force matching the vibratory force of the...
8708114 Active vibration damping support device  
A solenoid driving device with excellent electric power efficiency which drives and controls an actuator including a solenoid and an active vibration damping support device with excellent electric...
8689956 Torsional vibration damper  
A torsional vibration damper with a receptacle for several absorber masses pivotally held relative to the receptacle disposed around an axis of rotation in radial and circumferential direction. To...
8646724 System for attaching two components together, such as an aircraft engine and the mounting pylon thereof  
An attaching system for attaching two components together, such as an aircraft engine and a mounting pylon, includes front trunnions and rear trunnions for supporting the aircraft engine. In this...
8632096 Systems and methods for hand wheel torsional vibration attenuation  
Methods and apparatus are provided for attenuating torsional vibration of a steering system. The apparatus can include a housing including a chamber. The housing can be couplable to a rim of a...
8632097 Systems and methods for hand wheel translational vibration attenuation  
Methods and apparatus are provided for attenuating translational vibration in a steering system. The apparatus can include a housing having a fluid chamber, a recess and a mounting bracket that...
8627931 Torsional vibration damper  
A torsional vibration damper comprises a housing with a fluid-tight ring-shaped chamber and a vibration ring, which is rotatably supported in the ring-shaped chamber of the housing. Between the...
8626386 Damping apparatus for reducing vibration of automobile body  
A damping apparatus for an automobile is provided, capable of ensuring a high level of reliability while obtaining excellent damping effect with simple configuration. The damping apparatus for an...
8626388 Sprung mass damping control system of vehicle, and vehicle provided with said system  
A sprung mass damping control system of a vehicle, which suppresses sprung mass vibration generated in a vehicle body by adjusting a driving control amount of a drive source (the second...
8607944 Shock-absorbing structure  
A shock-absorbing structure configured to absorb an impact load in a specific direction includes a first steric portion having a hollow steric structure; and a second steric portion disposed...
8595934 Method of producing a composite body  
A method of producing a composite body, such as a gear wheel or torsional vibration damper, including a radially inner hub body provided with outer profiles, a surrounding outer body provided with...
8584820 Vibration reducing device and vibration reducing method  
A vibration reducing device, including an inertial mass actuator adapted to be mounted on a vibration damping object, that applies a vibration damping force on the vibration damping object, the...
8561499 Centrifugal pendulum absorber  
A pendulum absorber assembly for a torque converter including a first spring retainer, a second spring retainer, and a floating flange positioned between the first spring retainer and the second...
8504239 Damping apparatus for reducing vibration of automobile body  
A damping apparatus for an automobile is provided, capable of ensuring a high level of reliability while obtaining excellent damping effect with simple configuration. The damping apparatus for an...
8499907 Piezoelectric liquid inertia vibration eliminator  
A tunable vibration isolator with active tuning elements having a housing, fluid chamber, and at least one tuning port. A piston is resiliently disposed within the housing. A vibration isolation...
8496097 Mount damper and image forming apparatus using the mount damper  
A mount damper comprises electrode plates placed on a motor side and a support body side respectively, a control unit for adjusting voltage between the electrode plates, and an electrostrictive...
8462510 Board-level package with tuned mass damping structure  
A board-level package includes a printed circuit board, a semiconductor die package mounted on the printed circuit board, a tuned mass structure, and a support structure mounted to the printed...
8448927 Shock attenuation device and method  
An item assembly and a shock attenuation method for protecting an item comprising providing an item internal to an assembly and encasing the item in a fluid material such that the material and the...
8452552 Method for testing a vibration damper of a motor vehicle in the installed state, and vibration damper-test system for a motor vehicle  
A method for checking a vibration damper of a motor vehicle in the installed state includes setting start values of the damping constant kA, the spring rate cA, and the body mass mA for a wheel of...
8430610 Fluttering prevention device for working machine  
Chattering suppression apparatus (10) comprises multiple bolt members (24a through 24d) for mounting boring bar (20) in the spindle (18). Inside the main body configuring bolt members (24a through...
8424659 Vibration absorber  
A system for absorbing vibration in a rotary member having a predetermined rotary speed of the present invention has a selectively moveable mass and a positioning mechanism. The mass is in...
8401735 Damping apparatus for reducing vibration of automobile body  
A damping apparatus for an automobile is provided, capable of ensuring a high level of reliability while obtaining excellent damping effect with simple configuration. The damping apparatus for an...
8398060 Vibration absorber for a vehicle suspension spring  
A dynamic vibration absorber for a vehicle suspension system includes a spring elastically supporting a vehicle body on a vehicle frame, the spring including multiple coils, an isolator secured to...
8381463 Energy absorbing system for safeguarding structures from disruptive forces  
The invention is an energy absorbing system for safeguarding structures from disruptive forces, which may be implemented into structures or devices to provide protection from seismic motion,...
8371534 System for isolating vibration among a plurality of instruments  
A system for isolating vibration among a plurality of instruments on a spacecraft includes at least two platforms, each of which is configured to couple to and isolate vibration for a single one...