Entries |
Document | Title | Date |
20080315472 | LIQUID SEALED VIBRATION ISOLATING DEVICE - A liquid sealed vibration isolating device having a first mounting member to be mounted on the side of a vibration source, a second mounting member to be mounted on the side to be vibrated, and an insulator being placed between said first and second mounting members so as to absorb vibration. A liquid chamber uses the insulator as a part of a wall thereof and is filled with a hydraulic liquid. A partition member partitions the liquid chamber into a primary liquid chamber and a secondary liquid chamber. A passage is provided between the primary and secondary liquid chambers. A valve portion is provided on a diaphragm enclosing the secondary liquid chamber to open and close a port of the passage. The valve portion has an annular thick wall portion which comes into contact with a valve seat portion provided around the port of the passage and a central movable elastic diaphragm portion which is provided on an inside of the annular thick wall portion and is thinner than the annular thick wall portion so as to be elastically deformable by a liquid pressure of the hydraulic liquid. The hydraulic liquid passing through the passage causes orifice resonance when passage is opened by the valve portion. The diaphragm, including the valve portion, is adapted to membrane-resonate at a frequency in the vicinity of a resonance frequency of the orifice resonance. | 12-25-2008 |
20080315473 | TORQUE ROD - A torque rod having an arm portion, a ring portion formed on each end of the arm portion in a longitudinal direction of the arm portion, and a rubber bushing that is integrally provided with the ring portion. The arm portion is formed from a material that is lower in specific gravity than iron. A weight is provided in a portion of the rubber bushing other than a principal spring portion. The principal spring portion, which absorbs principal vibration to be isolated, is formed by an elastic arm portion that extends radially outwardly from an inner cylinder located substantially in a center of the rubber bushing and is connected to the ring portion. An aperture, which is a separation space, is provided between the elastic arm portion and the ring portion. | 12-25-2008 |
20090026673 | VIBRATION-DAMPENING CLIP ASSEMBLY - Certain embodiments of the present invention provide a vibration-dampening clip assembly configured to dampen vibrations between a tube member and a structure. The clip assembly may include a base configured to secure to a surface of the structure, at least one first spring member, and at least one second spring member. A tube retention area is defined between the at least one first spring member and the at least one second spring member. The tube retention area is suspended away from the base. The at least one first spring member and the at least one second spring member are configured to absorb vibratory energy generated by or within the tube member. | 01-29-2009 |
20090085264 | ISOLATION MOUNT SYSTEM - An engine mount system for a lawn mower having a front, rear, and two sides. The engine mount system includes a mounting plate, an engine, first and second elastic members, and first and second brackets. The engine is mounted to the mounting plate and applies a torque force to the mounting plate during lawn mower operation. The first bracket is provided on the mounting plate and includes a first surface. The first surface is adjacent the first elastic member and partially faces the front, thereby placing the first elastic member into compression when the engine applies the torque force to the mounting plate. The second bracket is provided on the mounting plate and includes a second surface. The second surface is adjacent the second elastic member and partially faces the rear, thereby placing the second elastic member into compression at the same time as the first elastic member. | 04-02-2009 |
20090091069 | ACTIVE CONTROL OF TORSIONAL VIBRATION FROM AN ENGINE DRIVEN GENERATOR SET - An active torque cancellation system is provided. The system includes a generator set having a combustion engine and mounted to an application structure. The system also includes an active power management module coupled to the engine which actively reduces vibrations in the application structure. | 04-09-2009 |
20090166938 | Spring Protection Device And Spring Drive Unit Including Spring Protection Device - The invention relates to spring protection device for a spring drive unit and adapted to surround a spring of the spring drive unit, the protection device comprising a frame plate, against which a first end of the spring rests, and the frame plate being provided with an opening passage for a pullrod connected to the spring. The spring protection device comprises bars with first end parts that are connected to the frame plate, externally of the first end of the spring, and which bars are arranged to extend externally of and along the sides of the spring and externally of a second end of the spring, thereby forming an open cage surrounding the spring. The invention also relates to a spring drive unit comprising a spring protection device. | 07-02-2009 |
20090179360 | Hydraulic Ride Bushing Having Improved End of Bushing Travel Damping - An hydraulic ride bushing having improved damping at the end of its travel. In various aspects thereof to provide the improved damping at the end of bushing travel: the external snubbers are composed entirely of polyurethane; the abutment portions of the external snubbers are composed of polyurethane; the external snubbers are provided with a plurality of convolutes; the external snubbers are composed of a dual durometer composition; an internal snubber is added between an hydraulic damper and an outer cylindrical shell; an hydraulic lock is provided at the hydraulic damper; and an external hydraulic damper is provided which is disposed externally with respect to the outer cylindrical shell. | 07-16-2009 |
20090179361 | VIBRATION DAMPENING MATERIAL AND METHOD OF MAKING SAME - The present invention is directed to a material adapted to reduce vibration and, more specifically, to a material adapted to dissipate and evenly distribute transmitted vibrations. The material is particularly suited for impact and/or heavy load vibration resistance. | 07-16-2009 |
20090184448 | ISOLATION SYSTEM FOR A SEAT OR THE LIKE, AND VEHICLE INCORPORATING SAME - An isolation system for use in damping and isolating low frequency oscillations and shock loads between two members. An exemplary application is a seat isolation system for use with a vehicle such as a lawn mower. The seat isolation system may include two or more isolators interposed between a chassis of the vehicle, and a seat (e.g., operator's seat). The isolators may permit attenuation of shock or low frequency oscillation inputs via damping and isolation in both vertical and horizontal (fore-and-aft and side-to-side) directions. In some embodiments, the isolators include an elastomeric element that provides the seat with six degrees of freedom. | 07-23-2009 |
20090243170 | Coil spring genset vibration isolation system - An electric power generation device includes a genset with an engine coupled to a generator and an enclosure that includes a base having a plurality of bosses protruding upwardly each a respective predetermined height from a surface of the base. A plurality of coil springs is positioned between an upper surface of each of the bosses and a respective mounting member of the genset. The bosses and the mounting members are positioned such that each respective coil spring is approximately equally loaded by the genset. | 10-01-2009 |
20090250851 | Energy Absorption System - The present invention relates to an energy absorption system. The energy absorption system comprises a movable carriage, a fixed bearing and a deformable material strip. The deformable material strip is at least areally connected to the fixed bearing. Between the movable carriage and the fixed bearing a gap is formed. The energy absorption system further comprises means, which are suited to vary the size of the gap between the movable carriage and the fixed bearing. | 10-08-2009 |
20090278293 | DAMPING MATERIAL AND METHOD FOR PRODUCTION THEREOF - Provided is a vibration damping material comprising: a polyester resin containing dicarboxylic acid constitutional units and diol constitutional units; and mica being dispersed in the polyester resin, wherein: (1) a ratio [(A | 11-12-2009 |
20090283944 | SHOCK-MITIGATING APPARATUS FOR SEATS AND OTHER OBJECTS - A shock-mitigating damper apparatus for vertical shocks has a scissor linkage extending vertically between a base and an object. A damper is also connected between the base, the object, and is mounted to the base for substantially horizontal reciprocating damper motion. An articulated arm assembly connects one end of the damper to the object at a point substantially in vertical alignment with an intermediate pivot point for the scissors. | 11-19-2009 |
20090309279 | Air-Damping Engine Mount - An air-damping mount, in which a displaceable bellows plate is mounted in order to define a damping chamber. A rigid or displaceable partition plate having at least a through-hole is mounted in the damping chamber, and thereby partitions the damping chamber into an upper chamber and a lower chamber. At least an orifice tube is mounted on and connected with the through-hole so as to allow the upper and lower chambers to fluidly communicate with each other. Thereby, the air-damping engine mount can reduce engine vibration by means of flow resistance of air occurring when the air passes through the through-hole and the orifice tube and by means of displacement of the displaceable bellows plate caused by a change in pressure of the lower chamber, and thus remarkably improve a damping effect of the engine vibration. | 12-17-2009 |
20100001447 | Air-Damped Engine Mount - An air-damped engine mount may include a core boss coupled with an engine of a vehicle, a main rubber coupled with the core boss and elastically supporting the core boss, a hollow main pipe tightly coupled with the main rubber and supporting the main rubber, and a cover plate tightly coupled with one end portion of the main pipe to form a damping chamber in a space between the cover plate and the main rubber, wherein the core boss defines at least an air track allowing the damping chamber to fluid-communicate with the outside therethrough such that vibration in the engine is damped by flow resistance against air passing through the air track. | 01-07-2010 |
20100059911 | ADJUSTABLE GAS DAMPING VIBRATION AND SHOCK ISOLATION SYSTEM - An inertial measurement unit includes a housing with openings to permit fluid communication between at least one pressure source and two distinct cavities within the housing. The cavities are separated by an inertial sensor assembly coupled to a vibration isolator assembly. The pressure in the cavities may be adjusted or tuned to change a natural frequency of the inertial measurement unit, thus allowing the unit to be configured and even optimized for a variety of different applications. By adjusting the pressure in the respective cavities, gas squeeze film damping effects may be optimized when the inertial measurement unit undergoes a shock event and/or when the inertial measurement unit experiences vibration loads during operation. In one embodiment, the vibration isolator assembly includes perforations to permit fluid communication between the first and second cavities during specific operational events. | 03-11-2010 |
20100102493 | SPRING-MOUNTED VIBRATION SYSTEM TO REDUCE VIBRATION - Spring-mounted vibration system to reduce vibration with a first spring-mounted part and a second spring-mounted part, wherein the first spring-mounted part and the second spring-mounted part can oscillate relative to each in at least one vibration direction and at least one of the spring-mounted parts can be exposed to a return force on a vibration movement. A control unit is arranged with at least one travel linkage which is connected with at least one of the spring-mounted parts and in which is arranged displaceably at least one guide element connected with a spring element generating the return force and/or the other spring-mounted part. | 04-29-2010 |
20100148413 | THREE-STATE SWITCHABLE HYDRAULIC MOUNT - An inertia track assembly for coupling first and second fluid chambers includes first and second tracks in fluid communication with the first and second chambers, the second having a decoupler disposed therein. A shaft is movably disposed to intersect the first and second tracks, and configured to selectively move between at least two positions. A first position allows fluid communication between the first and second chambers through the first track, but blocks fluid communication between the second track and one of the chambers. A second position allows fluid communication between the second track and the chambers, but blocks fluid communication through the first track. The shaft may have a third position, which blocks fluid communication through both the first and second tracks. First and second passages may be disposed in the shaft to selectively allow fluid communication between the first and second tracks, respectively. | 06-17-2010 |
20100252971 | PROTECTIVE TUBE FOR COIL SPRING OF VEHICLE SUSPENSION DEVICE - Disclosed is a protective tube for a coil spring of a vehicle suspension device. The protective tube includes a cut-out portion through which the coil spring is fitted therein. The cut-out portion has a pair of upper and lower outwardly protruding wings. The wings are joined to each other by high-frequency welding. The protective tube prevents foreign materials from entering the cut-out portion. In addition, the protective tube is easy to manufacture by molding. | 10-07-2010 |
20100264569 | LIQUID SEALED-IN TYPE VIBRATION DAMPER - The present invention provides a liquid sealed-in type vibration damper in which a flange-shaped stopper is integrally formed on a core-shaped mounting member in advance so that mounting of a stopper thereon at a later stage is rendered unnecessary. A liquid sealed-in type vibration damper having: a core-shaped mounting member and a sleeve-shaped mounting member connected to the vibration generation side and the vibration-transferred side via brackets, respectively; and a rubber elastic body for connecting the sleeve-shaped mounting member around the core-like mounting member so that relative vibration in the axial direction of the respective mounting members and relative vibration along a direction orthogonal to the axial direction are absorbed, respectively, includes: a flange-shaped stopper formed integral with a portion protruding from the rubber elastic body, of the core-shaped mounting member, for limiting excess displacement of the core-shaped mounting member relative to the sleeve-shaped mounting member in a direction of pulling the core-shaped mounting member out of the sleeve-shaped mounting member by abutment of the stopper on the bracket of the sleeve-shaped mounting member, wherein a surface on the rubber elastic body side of the stopper is designed to be a surface of a truncated cone protruding toward the rubber elastic body side at the center portion of the stopper. | 10-21-2010 |
20100295221 | Energy Absorption and Distribution Material - An energy absorbing and transmitting material comprising a framework of interconnected units comprising at least one unit having a base and a protrusion or cone extending from the base along an axis, and at least one connecting member or rod that connects the unit to at least one adjacent unit, the connecting members extending substantially perpendicular to the axis of the unit from the base, where the framework is comprised of a single elastic material throughout, or configured so that when the framework is perturbed by tilting the unit towards the adjacent unit, the adjacent unit is tilted towards the unit. | 11-25-2010 |
20110042870 | ANTI-VIBRATION DEVICE - An anti-vibration device including: a first mounting member that is coupled to either one of a vibration generating portion and a vibration receiving portion, and that is formed in an approximately cylindrical shape; a second mounting member that is coupled to the other of the vibration generating portion and a vibration receiving portion, and that is arranged on the inner circumference side of the first mounting member; a juxtaposed member that is arranged side by side with the second mounting member in the axial direction of the first mounting member; a first resilient body that resiliently supports the gap with the first mounting member and the juxtaposed member; a main liquid chamber that is arranged side by side with the juxtaposed member in the axial direction, with at least a portion of a partition wall being formed by the resilient body, and filled with a liquid; an auxiliary liquid chamber that is filled with a liquid, with at least a portion of a partition wall formed by a diaphragm, and the interior volume made capable of expanding or contracting in accordance with changes in the liquid pressure; a first restricting channel that brings the main liquid chamber and the auxiliary liquid chamber into communication with each other; a plurality of side liquid chambers that are arranged side by side with the juxtaposed member along a first axial right angle direction that is perpendicular to the axial direction and filled with a liquid; and a second restricting channel that brings the plurality of side liquid chambers into communication with each other or with the auxiliary liquid chamber, in which at least a portion of the partition wall of the side liquid chambers is formed by the first resilient body that extends in a second axial right angle direction that is perpendicular to the axial direction and that intersects with the first axial right angle direction; and the second mounting member and the juxtaposed member are coupled by a second resilient body. | 02-24-2011 |
20110049776 | FREQUENCY TUNED DAMPER - The present disclosure relates to a frequency tuned damper having a vibration body in the form of a casing. The casing has first and second parts which partly enclose a connector part which extends through a connector opening in the casing, such that it can be attached to a surface, the vibrations of which is to be dampened. The casing and the connector part are interconnected by means of a resilient member in the casing interior. The first casing part is a can portion | 03-03-2011 |
20110101580 | BEARING FOR STRUCTURES - A bearing ( | 05-05-2011 |
20110210487 | VIBRATION INSULATION DAMPER FOR COIL SPRING - A vibration insulation damper ( | 09-01-2011 |
20110260379 | DAMPING DEVICE - The invention relates to a damping device, particularly earthquake damper, comprising a hollow spherical body filled with a damping fluid ( | 10-27-2011 |
20110278777 | 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 mechanism which provides damped mobility relative to the pump structure so as to absorb and dampen pump vibrations and oscillations. The TMD mass is easily removable before tipping of the pump between horizontal and vertical orientations during maintenance. In some embodiments, the TMD mass comprises fluid pumped by the pump to fully or partially fill a housing, the fluid being gravitationally drained therefrom when the pump is not operating. In other embodiments the TMD mass is supplied by removable solid weights. Damped mobility is provided by springs damped by mechanical or fluid friction, or by obstructed movement of fluid within a partially filled housing. In embodiments, the TMD mass is at least 5% of the total mass of the pump structure. | 11-17-2011 |
20120018934 | DAMPER AND VEHICLE SEAT - A damper is provided which damps an applied external force in accordance with the strength of the external force (impact strength). The damper | 01-26-2012 |
20120032379 | HORIZONTAL SPRINGING DEVICE FOR VEHICLE SEATS WITH ELASTOMER SPRING ELEMENT WITH PROGRESSIVE SPRING CHARACTERISTIC CURVE - The invention relates to a vehicle oscillation apparatus with a horizontal springing device which is arranged between a vehicle seat and/or a driver's cab and a base element of a vehicle and which is suitable for the horizontal springing and/or damping of the vehicle seat and/or the driver's cab with respect to the base element, wherein the horizontal springing device is arranged substantially parallel to a surface of the base element and comprises an elastomer spring element which has a characteristic spring curve. | 02-09-2012 |
20120061889 | Hydraulic body mount - Embodiments of hydraulic mounts for vehicles are provide herein. According to some embodiments, hydraulic mounts may include an outer housing having a central axis extending therethrough, a tubular insert disposed at least partially within the outer housing and in substantial axial alignment with the central axis so as to form an annular cavity therebetween, an inner elastomeric spring and an outer elastomeric spring extending between the flange of the tubular insert and the outer housing, and a diaphragm disposed within the annular cavity. | 03-15-2012 |
20120061890 | HYDRAULIC BODY MOUNT - Embodiments of hydraulic mounts for vehicles are provided herein. According to some embodiments, hydraulic mounts may include an inner tubular sleeve having a top washer extending circumferentially from a terminal end of the inner tubular sleeve, the inner tubular sleeve extending along a central axis, a tubular spring support surrounding at least a portion of the inner tubular sleeve and forming an annular cavity therebetween, a bottom cup, a first inner spring, a second inner spring, a channel support, a first outer spring, and a second outer spring. | 03-15-2012 |
20120086159 | Sprung Multipoint Mounting for Vehicle Seat with Elastomer Spring Element - The invention concerns a vehicle oscillation device ( | 04-12-2012 |
20120091639 | Fully Decoupled Hydraulic Torque Strut - A hydraulic device disposed in a torque strut so as to provide a fully decoupled hydraulic torque strut. A main rubber element vibrates in response to powertrain pitch torque. At high vibration amplitude, high hydraulic damping is provided via a pumping chamber, an inertia track and a bellowed compensation chamber, wherein a decoupler system hydraulically connected to the pumping chamber is passively disabled. At low vibration amplitude, minimal hydraulic damping is provided via the decoupler system which is connected by a decoupler track to the compensation chamber. | 04-19-2012 |
20120091640 | VIBRATION ABSORPTION DEVICE - A vibration absorption that is both capable of damping vibrations in two directions and high in durability. A pair of pressure receiving chambers ( | 04-19-2012 |
20120119425 | ACTUATOR MOTION CONTROL FEATURES - A method for making a motion control feature for an actuator device of a type that has a moveable component coupled to an opposing fixed component for out-of-plane rotational movement relative thereto includes forming first and second flaps respectively extending from the moveable and fixed components and toward the opposing component and operable to effect one or more of damping movement of the moveable component relative to the fixed component and/or restraining movement of the moveable component relative to the fixed component in a direction substantially perpendicular to the actuator device. | 05-17-2012 |
20120139173 | HYDRAULIC BUSHING - Provided is a hydraulic bushing which is mounted to be inserted onto an outer periphery of a propeller shaft, and effectively absorbs and reduces radial vibration and axial vibration in vertical and horizontal directions of the propeller shaft, thereby improving the vehicle steering stability and the comfortable ride. The hydraulic bushing includes a bushing body in which a plurality of pairs of upper fluid chambers and lower fluid chambers are formed in a circumferential direction, the upper fluid chamber and the lower fluid chamber of each pair being discriminated vertically in an axial direction, and an orifice including a vertical orifice passage communicating the upper fluid chambers with the lower fluid chamber, an upper orifice passage communicating the adjacent upper fluid chambers with each other, and a lower orifice passage communicating the adjacent lower fluid chambers with each other. | 06-07-2012 |
20120181734 | DAMPER HAVING MODULAR FLEXIBLE LIGAMENTS AND VARIABLE GAPS - A module flexible ligament damper includes an cylindrical inner structure with a central axis and an outer cylindrical surface. An outer casing with an inner cylindrical surface is positioned around the inner structure. A modular ligament with an inner flange and an outer flange connected by a web is positioned between the inner structure and the casing. The inner flange is connected to the inner structure and the outer flange is connected to the casing to support the inner structure within the casing, and to permit free orbital movement of the inner structure on a plane perpendicular to the axis of the inner structure. In one embodiment, the web is straight but does not intersect the axis of the inner structure for flexing in a radial direction. In other embodiments, the web is curved for radial flexing. | 07-19-2012 |
20120248668 | FLUID-FILLED VIBRATION-DAMPING DEVICE OF MULTIDIRECTIONAL VIBRATION-DAMPING TYPE - A fluid-filled vibration-damping device of multidirectional vibration-damping type including: a first mounting member; a second mounting member; a main rubber elastic body connecting the two mounting members; a pressure-receiving fluid chamber; an equilibrium fluid chamber; a first orifice passage interconnecting the two fluid chambers; a plurality of outer peripheral fluid chambers situated on an outer peripheral side of the main rubber elastic body; a second orifice passage interconnecting the outer peripheral fluid chambers; and an intermediate sleeve affixed to the main rubber elastic body. The intermediate sleeve and the second mounting member each include a step portion at an axially medial section thereof, and are mated and fixed to each other at opposite sides of the corresponding step portion. The two step portions are opposed to each other in an axial direction so that the second orifice passage is formed between axially opposed faces of the step portions. | 10-04-2012 |
20120292837 | HYDRAULIC MOUNT - A hydraulic mount includes a support bearing and a seat. At least a first and a second partial spring element are each formed from an elastomeric material and connected to each other via an intermediate ring. The spring elements support the support bearing and the seat on each other and have essentially a truncated cone-like shape. An expansion chamber and a compensation chamber are each filled with a first damping fluid. The chambers are physically separated from each other, in an axial direction, by a partition and are connected to each other, in a manner that allows passage of liquid, by a first damper configured to dampen vibrations introduced in the axial direction. A second damper is disposed in the expansion chamber and configured to dampen vibrations introduced in a radial direction. The intermediate ring and the second damper transition from one to the other. | 11-22-2012 |
20120299228 | ANTIVIBRATION DEVICE - In an antivibration device ( | 11-29-2012 |
20120313306 | VIBRATION-DAMPING DEVICE - A vibration-damping device includes: an elastic body connecting a tubular first mounting member and a second mounting member; and a partition member ( | 12-13-2012 |
20130214464 | Space shuttle damping and isolating device - A device used for providing dynamic isolation and damping of dynamic vibrations, in a passive way, originated in the launch vehicle of a space shuttle and reaching the payload or satellite. The device comprises a plurality of identical elementary unit elements, such that the device is designed in a modular way, allowing the individual modularity of each of the elementary unit elements. Each of the elementary unit elements is tailored and designed individually, and the complete device can be designed for each particular application and payload needed as a function of each of the elementary unit elements allowing an easy design and lower costs, for a wide range of payload applications. Each elementary unit element comprises a spring component and a damping component, such that the functionalities provided for each component are separated and can be individually tailored, thus providing a device having a wider range of adaptation capabilities. | 08-22-2013 |
20130249152 | LANDING GEAR DOOR DAMPING MECHANISM FOR AIRCRAFT - The invention provides a damping mechanism which comprises a damper; and a coupling mechanism. The coupling mechanism comprises a coupling member which is pivotally attached to the damper and has a pivot bearing for pivotally connecting the coupling member to a structure when in use; and a fitting which can be engaged with the coupling member to couple the fitting with the damper and disengaged with the coupling member to decouple the fitting from the damper. More, the coupling member has a pair of parallel planar faces which taper outwardly from the pivot bearing to a convex curved edge, an upper edge and a lower edge; and a first and a second recess formed in the convex curved edge, a rib between the first and the second recesses and, a third recess formed in the lower edge. | 09-26-2013 |
20130300042 | SPRING AND DAMPER SYSTEM, IN PARTICULAR FOR AN ASSEMBLY MOUNT IN A MOTOR VEHICLE - A spring and damper system, in particular for an assembly mount in a motor vehicle, includes a spring/damper element arranged between two mutually, relatively displaceable vehicle masses, wherein the spring/damper element includes a damper device and a positioning spring element, which are directly or indirectly coupled with one another and are connected in series and which are supported on or attached to a respective vehicle mass. A progressive spring element forms an additional component of the spring/damper element, wherein the progressive spring element is arranged on a side of the positioning spring element facing away from the damper device and is directly or indirectly connected to the damper device or to the vehicle mass facing the positioning spring element. The progressive spring element has a defined gap spacing representing a spring deflection in a defined rest position. | 11-14-2013 |
20130313765 | MATERIAL FOR ATTENUATING IMPACT ENERGY - A new and novel impact energy attenuation material, impact energy attenuation module employing the material and a fit system for optimizing the performance thereof is provided. Non-linear energy attenuating material consisting of a plurality of loose particles is employed for impact energy dissipation. The loose particles are preferably spherical elastomeric balls. An impact energy attenuation module includes a container that holds the loose particles. The impact energy attenuation module can be provided in a wide range of sizes and shapes and the loose particles can be provided in different materials, sizes, density, compaction and hardness to suit with the application at hand. A matrix of impact energy attenuation module are provided about the surface of a shell to provide the required impact energy attenuation. The material, impact energy attenuation module and system of the present invention are well suited for protection of body parts and other cushioning and protection needs. | 11-28-2013 |
20130320604 | Viscous-Fluid-Enclosing Damper and Vibration-Damping Composition - Provided is a viscous-fluid-enclosing damper which attenuates, by using viscous resistance of a vibration-damping composition, vibrations transmitted between a support and an object to be supported, the support and object being attached to a closed container enclosing the vibration-damping composition of a viscous fluid. The viscous-fluid-enclosing damper alters few vibration-damping properties even when used under high temperatures and/or conditions where the vibrations are repeatedly generated for a prolonged period. Also provided is the vibration-damping composition which is used for the viscous-fluid-enclosing damper. The viscous fluid contains a viscous liquid having dispersed therein at least one type of heat-resistant resin particles and a dripping inhibitor, the particles being selected from polyethylene and nylon having an average molecular weight of from 50×10 | 12-05-2013 |
20130334749 | ENERGY ABSORBER HAVING A CAPABILITY OF PREVENTING OPERATION TEMPERATURE FROM INCREASING - An energy absorber has at least one hollow core post filled with coolant, two supporting boards, multiple first material layers and second material layers. The supporting boards are mounted respectively on two ends of the at least one hollow core post. The first material layers and second material layers are alternately mounted between the supporting boards. Accordingly, the operation temperature of the energy absorber can be prevented from increasing by the coolant in the core post. | 12-19-2013 |
20140027964 | RECOVERABLE ENERGY ABSORBER - An energy absorber includes a base sheet and a plurality of recovering crush lobes extending from the base sheet. The crush lobes protect an adjacent object by cushioning the blow following repeated impacts in both vehicular and non-vehicular (e.g. helmets) environments. Each crush lobe includes a side wall that is oriented to buckle or bend and then spring back after absorbing energy when impacted. At least one of the base sheet and an end wall of at least one crush lobe optionally includes a number (X) of integrally-formed protruding countermeasures where 0<=X<1000 of lower standing strength than the crush lobes. Methods related to the above are also described. | 01-30-2014 |
20140048990 | DUAL RADIUS ISOLATOR - A vibration isolator includes a base plate having a first attachment feature that enables attachment of the isolator to a first surface, the isolator further including a second attachment feature permitting attachment to a second surface. A spring section disposed between the base plate and the second attachment feature has a first radiused section and a second radiused section, each of the first and second radiused sections being formed in opposing directions on a continuous spring portion intermediate to the base plate and second attachment feature and in which the spring section provides noise attenuation and isolation between the first and second surfaces. | 02-20-2014 |
20140117600 | HIGH STIFFNESS VIBRATION DAMPING APPARATUS, METHODS AND SYSTEMS - Vibration damping apparatus, systems, objects including such apparatus and systems, and vibration damping methods. The vibration damping involves amplifying a vibration-induced displacement and damping the amplified displacement. | 05-01-2014 |
20140117601 | SPRING FUNCTIONAL COMPONENT FOR A HYDROELASTIC BEARING AND HYDROELASTIC BEARING - A spring functional component for a hydroelastic bearing. The component comprises a mounting inner connection, a mounting outer connection radially surrounding the mounting inner connection, a spring body which delimits at least two working chambers for receiving a damping fluid and couples the mounting inner and outer connections to one another in order to allow a relative movability between the mounting inner and outer connection and a support frame surrounding the mounting inner connection made of a rigid material such as plastic or metal, on which at least one radial stop is held, wherein the radial stop can be displaced from a pre-assembly state, in which a stop end of the radial stop is disengaged with respect to a stop counterpiece on the mounting inner connection side or mounting outer connection side, into a final assembly state in which the stop end engages the stop counterpiece. | 05-01-2014 |
20140159289 | VIBRATION DAMPER - In a vibration damper ( | 06-12-2014 |
20140167338 | DEVICE FOR THE DAMPING OF IMPACTS - The present invention relates to a device for reducing the effect of impacts and oscillations, in particular vibrations, in particular for the damping thereof, and to the use of the device for reducing the effect of impacts and oscillations, in particular vibrations, in particular for the damping thereof. | 06-19-2014 |
20140183801 | HYDRO ROLL ROD - A hydro roll rod that includes a first liquid chamber and a second liquid chamber formed in a rear insulator and configured to provide a space in which a fluid is stored. A rod case is extended toward an outside from a portion where the first liquid chamber and the second liquid chamber are partitioned and configured to support a load. A first bridge encloses an outer circumference of the second liquid chamber and coupled to one side surface of the rod case. A second bridge encloses an outer circumference of the first liquid chamber and coupled to one side surface of the rod case. A plate is fixedly coupled to an end of the second liquid chamber. A first bracket encloses and supports outer circumferences of the first bridge and the plate, and a second bracket encloses and supports an outer circumference of the second bridge. | 07-03-2014 |
20140210147 | SHOCK ABSORBER - A shock absorber includes a shock absorbing member being to be rotated around an axis and having an outer circumferential surface being in contact with an end portion of a member that moves back and forth with respect to the shock absorbing member, the shock absorbing member having at least one of elasticity and viscosity against an movement of the member, each of the elasticity and viscosity changing in accordance with a rotation angle of the shock absorbing member around the axis, and a device that changes the rotation angle of the shock absorbing member to adjust at least one of the elasticity and the viscosity against the member. | 07-31-2014 |
20140217658 | DAMPER - Provided is a damper configured so that a compact pedal unit can be obtained using the damper and so that the damper can be easily retrofitted to a pedal unit. A damper ( | 08-07-2014 |
20140246820 | PASSIVE SKYHOOK AND GROUNDHOOK DAMPING VIBRATION ISOLATION SYSTEM - A passive skyhook and groundhook damping vibration isolation system and a method for determining parameters thereof, which utilize the anti-resonance of an “inerter (b1, b2)-spring (k | 09-04-2014 |
20140339748 | SWITCHABLE ENGINE MOUNT AND METHOD FOR OPERATION THEREOF - A switchable engine mount is provided. The switchable engine mount includes an end plate including one or more openings in fluidic communication with a hydraulic source and a channel plate coupled to the end plate and including one or more hydraulic flow openings. The switchable engine mount further includes a decoupler including at least one decoupler plate at least partially enclosed by the channel plate and the end plate and a switching plate positioned adjacent to the decoupler and configured to axially actuate the decoupler in response to reception of an input force from an actuator, the input force non-parallel to the axially actuation. | 11-20-2014 |
20150069683 | Kinetic Energy Management System - A vehicle kinetic energy management system includes a first main body having a passive magnetic component movable therewith and a second main body movably attached to the first main body for reciprocal movement there between. The second main body includes an active magnetic component movable therewith and magnetically communicating with the passive magnetic component. One of the first and second main bodies being adapted for engagement with a vehicular component that experiences irregularities of a surface on which the vehicle travels, and the other main body engaging a load-bearing portion of the vehicle for which isolation from vibrations is desired. Interaction of the active and passive magnetic components in response to relative movement of the first and second main bodies translates between reciprocating kinetic energy associated with the vehicle motion over the surface irregularities and electrical energy associated with the active magnetic component. | 03-12-2015 |
20150115512 | PSEUDO-LINEAR HYDRO-PNEUMATIC SPRING - A pseudo-linear hydro-pneumatic isolation spring includes a cylinder having an interior partially filled with a hydraulic fluid as well as a piston assembly that is movably disposed within the cylinder including a piston head and a piston rod. A plurality of accumulators are fluidically connected to the interior of the cylinder in parallel, each of the accumulators being charged to a different pressure and size so as to actively engage the cylinder only after a threshold pressure force based on fluid displacement of the piston in the cylinder has been reached. | 04-30-2015 |
20150145190 | LIQUID SEALED-IN VIBRATION DAMPER - A liquid sealed-in vibration damper respectively connected with two members that perform a relative displacement includes an elastic member, which is provided therein with a liquid chamber in which a liquid is sealed. When a direction from a side of the liquid sealed-in vibration damper connected with one of the two members to a side of the liquid sealed-in vibration damper connected with the other of the two members is set to an extension direction of the elastic member, a recess is provided in a region between an end portion on a side of the elastic member connected with any one of the two members and the liquid chamber, the recess being recessed in a direction orthogonal to the extension direction up to a position where a position of the recess in the orthogonal direction is located at an inner side of the liquid chamber. | 05-28-2015 |
20150316120 | BEARING - A bearing with a first cover plate and a second cover plate, an elastomer layer being arranged between the first cover plate and the second cover plate. The bearing can exhibit a long service life after an inexpensive manufacturing process. The bearing may have reinforcing fibers paired with the elastomer layer. | 11-05-2015 |
20150335980 | OBSTACLE PROTECTOR - The invention is formed by at least one tight chamber ( | 11-26-2015 |
20150354662 | MULTISTRUCTURAL SHOCK ABSORBING SYSTEM FOR ANATOMICAL CUSHIONING - A shock absorbing system for impact energy dissipation employs removable unitary cells of compressible members in communication with a reservoir and containing a first working fluid. Resilient structural members may be placed intermediate the compressible members to deform responsive to compression to provide both energy dissipation and resilient recovery of the compression cylinders to their uncompressed state. | 12-10-2015 |
20150362040 | SHOCK ABSORBER - An object of the present invention is to reduce the size of a shock absorber, and to facilitate adjusting of the damping amount of the shock absorber. The shock absorber | 12-17-2015 |
20160076619 | ENERGY ABSORBER WITH ANTI-BSR ACCESSORY - An energy absorber includes a base sheet and a plurality of energy absorbing units with end walls and associated leaf spring or helicoid accessories extending from the base sheet. The accessories reduce buzzes, squeaks and rattles associated with an environment of use. In one embodiment, the leaf springs are defined by slits in a domed portion of the end walls. In another embodiment, the helicoid is formed by for example a milling step performed on an end wall. The side walls buckle or bend after absorbing energy. Methods related to the above are also described. | 03-17-2016 |
20160108988 | BYPASS FLOW PATH OPEN/CLOSE TYPE ACTIVE ENGINE MOUNT DEVICE USING AIR CHAMBER - An active engine mount has a liquid chamber for keeping liquid in a housing. The active engine mount includes a separation plate that is disposed in the liquid chamber, has a space at its center, and divides the liquid chamber into an upper liquid chamber and a lower liquid chamber. At least one primary flow path connects the upper liquid chamber and the lower liquid chamber. An orifice plate is disposed under the space at the center of the separation plate and has at least one bypass flow path connected with the lower liquid chamber. An air chamber is disposed between the orifice plate and the space at the center of the separation plate, and is configured to open or close the at least one bypass flow path by changing its size. | 04-21-2016 |
20160120310 | DEVICE FOR BRAKING A MOVEMENT - Proposed is a device for braking, as a result of damping, a movement of a furniture part which is movable relative to a carcass, the device including at least two damper parts. In this case, a first damper part is movable relative to a second damper part and a damping element is mounted with a deforming element on one of the two damper parts. A substantial feature of the device consists in that an abnormally viscous fluid is held in the deforming element. | 05-05-2016 |
20190144124 | ISOLATOR DEVICES, SYSTEMS AND METHODS FOR AIRCRAFT | 05-16-2019 |