Abstract: The present disclosure discloses a nonlinear spring connection structure and a motor. The nonlinear spring connection structure includes a stator, a mover and an elastic connector provided between the stator and the mover. The elastic connector includes a first end connected with the stator, a second end connected with the mover and at least two transition-connecting portions connected between the first end and the second end. The at least two transition-connecting portions extend from the first end towards the second end with sequentially decreasing sizes. An elastic connector is provided between a stator and a mover. In practice, the elastic connector, through deformation of itself, provides a restoring force for the mover during movement, so that the mover can perform a linear movement relative to the stator. In this way, a nonlinear spring connection structure is simpler and manufacturing cost of the nonlinear spring connection structure is reduced.

Abstract: A vehicle seat includes an internal support member for supporting a seat occupant. The internal support member includes a main body in plate or sheet form positioned within a seat cushion frame, a pair of inclined portions extending laterally from a part of either lateral side of the main body with an upward slant, and front and rear mounting portions engaged by front and rear cross members of the seat cushion frame. A pressure sensor is mounted on a part of an upper surface of the internal support member located ahead of the inclined portions. The main body of the internal support member is provided with a pair of openings located on either side of the pressure sensor, and a connecting portion connecting the pressure sensor with a part of the front mounting portion. The pressure sensor and the openings are spaced from the front edge of the main body.

Abstract: A vibration isolation device comprises a frame for mounting on an engine casing, an axis to be mounted to an external component to isolate, a resilient member located between the frame and the axis, and a fuse mechanism ensuring that the vibration isolation device presents a first stiffness when loads applied to said vibration isolation device are below a predetermined threshold load, and a second stiffness, lower than the first stiffness, when loads applied to the vibration isolation device are at least equal to the predetermined threshold load. The fuse mechanism constrains the resilient member within a predetermined space when loads applied to the vibration isolation device are below the predetermined threshold load and to release the resilient member so that this latter is capable of deforming beyond said predetermined space when loads applied to the vibration isolation device are at least equal to the predetermined threshold load.

Abstract: A bolster spring for a vehicle suspension including a base plate, a top plate, elastomeric material positioned between the base plate and the top plate, a first flange comprising a pair of ears having a bottom mounting surface upwardly extending from a first end of the base plate at an angle ½?, and one or more mounting holes positioned in the pair of ears in the first flange adapted for attachment to a pair of ears on an upwardly extending flange on a second bolster spring.

Abstract: A variable rate bound stopper includes a bound stopper in the form of an elastomer member. The elastomer member has an aperture such that the bound stopper is configured to be positioned over and disposed around a piston rod of a shock absorber. A shape memory alloy (SMA) coil formed from an SMA wire extends around at least a portion of the elastomer member. The SMA coil has a relaxed state and an activated state. The SMA coil constrains the elastomer member from deforming radially outward and alters an intrinsic spring rate of the bound stopper when in the activated state.

Abstract: A shock attenuating mounting for a seat, comprising an attenuating element composed of resilient material, the element securable on a first side to a seat and securable on a second side to a vehicle, the element configured to attenuate shock experienced by the vehicle along more than one axis.

Abstract: An engine mount structure for an apparatus equipped with an engine mounts an engine on a resin casing with an elastic body therebetween. The structure includes: a base plate arranged so that one side thereof faces the engine and the other side thereof faces the casing; a cylindrical elastic body that protrudes toward the engine from the base plate and is provided at an end portion thereof on an engine side with a securing member on which the engine is fixed; and a bolt that protrudes toward the casing from the base plate and couples the casing and the base plate to each other. An area where the bolt is disposed on the base plate protrudes in a stepped shape toward the engine from an area where the elastic body is disposed on the base plate.

Abstract: A vertical-motion vibration isolator utilizes negative-stiffness-producing mechanism which includes a plurality of compressed flexures, each having a particular length in the compressed direction of the flexure and being oriented in a horizontal direction, wherein the plurality of compressed flexures are positioned relative to each other such that the length of each compressed flexure substantially overlaps the length of each of the other compressed flexures. At least some of the plurality of compressed flexures can be positioned in a stacked arrangement. The arrangement of compressed flexures forming a portion of the negative-stiffness mechanism can reduce the size of the isolator without compromising vibration isolation performance.

Abstract: The present invention relates to a vibration neutralizer designed, more specifically, for use in refrigeration compressors, especially aimed at reducing noises and vibrations derived from the operation of the compressor motor used in the refrigeration equipment. It basically comprises at least one rod (2) cooperating with the compressor (1), wherein said physical rod comprises at least one fastening means (21) and at least one shaft (22) cooperating with at least one fastening means(21); and at least one body (3) cooperating with the at least one rod (2), wherein the at least one body (3) comprises an elastomeric material (31) coated with at least a layer (32) of metallic material.

Abstract: A flexible support shaft (10) configured to be arranged on a first object to flexibly support a second object moving relative to the first object is provided. The flexible support shaft comprises a first connecting flange (20) for being mounted on the first object, a compression spring (30) having one end arranged on the first connecting flange, an elastic member (40) configured to be embedded by the compression spring to change the elasticity of the compression spring, and a second connecting flange (50) arranged on the other end of the compression spring to support the second object. Because of the design of the compression spring and the elastic member thereon, the flexible support shaft acts not only as a support but also as a shock absorber for the second object in relative motion. Furthermore, since the compression spring is embedded in the elastic member, the elastic member changes the elasticity and rigidity of the compression spring.

Abstract: A vibration absorbing apparatus is provided which includes a vibration absorbing mechanism equipped with a spring mechanism and an elastic member. The elastic member is made of a non-metallic material and of a cylindrical shape. The elastic member is arranged coaxially with the spring mechanism and has a spring constant in a radial direction thereof which is lower than that in an axial direction thereof. The spring mechanism works to absorb vibration applied thereto in the axial direction thereof. The elastic member works to absorb vibration applied thereto in the radial direction thereof.

Abstract: The present invention has an object of providing a cushioning device having a stable and superb vibration-damping property and a metal cover attachable by use of the cushioning device. A cushioning device, which is to be located between an exhaust manifold as a vibration source and a heat insulator as a connection target and connects the exhaust manifold and the heat insulator to each other and cushions transmission of a vibration from the exhaust manifold to the heat insulator, includes a multi-stage coiled and spiral spring for cushioning the vibration, a grommet for joining the multi-stage coiled and spiral spring and the heat insulator to each other, and a collar member located between an attaching bolt tightened to the exhaust manifold and the multi-stage coiled and spiral spring. The multi-stage coiled and spiral spring is formed of a wiring member having a spiral shape as seen in a plan view.

Abstract: The present disclosure provides an elastomeric bushing assembly that includes a multi-piece inner component. The inner component is formed from a standard bar pin and an inner tube. The bar pin is inserted into the inner tube to form the multi-piece inner component. By utilizing different sizes of inner tubes, both standard and heavy duty bushing assemblies can be manufactured using a common bar pin.

Abstract: The invention relates to a suspension device for vehicle seats and/or vehicle cabins for applying a spring force to a vibratory motion of a first component relative to a second component, preferably in the longitudinal and/or transverse direction of the vehicle, wherein at least one elongate spring member extending at least in the longitudinal and/or transverse direction of the vehicle is connected in at least one end region to the first component and in the central region thereof to the second component, wherein the elongate spring member is made from a flexible elastomer material that is formed to be rod-shaped.

Abstract: A mechanically adjustable elastomer bearing based on a correspondingly arranged spring element whose spring stiffness can be adjusted or pretensioned individually by deformable elastomer bodies or elastomer layers. The deformation of the elastomer layers, and thus of the spring elements, is achieved by a pressure-generated device which is fully integrated into the spring element. The elastomer bearing are particularly suitable for use as bearings in rotor and gearbox for large wind turbines, but can also advantageously be employed in machine and vehicle construction, and in particular package clutches.

Abstract: A vibration damping device adapted to receive an electronic component and reduce vibration is provided. The vibration damping device includes a spring body extending along an axis, one or more slots formed in the spring body, and a shaft extending substantially coaxially within the spring body. The shaft may include an internal bore configured to extend substantially coaxially through the spring body and shaft. The vibration damping device further includes a damping mechanism configured to be positioned between the spring body and the shaft, wherein the one or more slots provides flexible movement of the spring body and the damping mechanism provides the damping of motion within the internal bore.

Abstract: A shock absorber for vehicle seat is provided. The shock absorber is suspended on a seat frame so as to elastically support a pad. The shock absorber includes: a plurality of wires that are disposed in parallel to the seat frame, both ends of the wires being locked to the seat frame; and a resinous member that connects the wires to each other, the resinous member having a bent portion, wherein the resinous member is elastically deformable in a direction in which the wires are opposed each other in accordance with a deformation of the bent portion.

Abstract: An elastomeric high capacity laminated (HCL) bearing for rotary wing aircraft and method of making is provided. The elastomeric HCL bearing is mold bonded using structural adhesives with a given elastomeric subassembly tensile strength between a first metal first laminate end structural bond shim and a second metal distal laminate end structural bond shim. The structural adhesive has a limited elongation and a first end tensile strength ?elastomeric subassembly tensile strength.

Abstract: A partitioning member partitioning two liquid chambers includes an orifice forming member, an elastic wall configured to close an inner peripheral surface thereof, and a pair of partitioning plates which hold the elastic wall from both sides in an axial direction X The pair of partitioning plates includes a holding portion configured to hold the elastic wall radially outward Ko of a coupling portion. The holding portion comprises a first holding portion on the radially outside and a second holding portion on the radially inside, and the first holding portion is provided with a high-compression holding portion having a compression ratio higher than that of the second holding portion. Accordingly, the abnormal sound is reduced while achieving both the damping performance in the low frequency range and the lowering of the dynamic spring constant in the high-frequency range without impairing the assembleability of the partitioning member.

Abstract: A method of manufacturing a rubber-metal composite, the method including a process of bringing a metal material into contact with a buffer solution having a pH of from 5 to 7.2, followed by a process of causing the metal material and rubber to adhere to each other.

Abstract: 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 item are approximately in hydrostatic balance upon an impact event.

Abstract: A spring seat is mounted to a suspension arm to receive a coil spring of a suspension, a spring seat body is provided with a receiving part for receiving the coil spring and a locking protrusion, which projects from the spring seat body to the side opposite to the receiving part so as to be locked in a locking hole formed in the suspension arm, are formed integrally using an elastic member, and a core material harder than the elastic member is incorporated in the spring seat body and the locking protrusion.

Abstract: A shock absorbing interposer is positionable between a manually manipulatable handle and a faucet of a beverage dispenser for dispensing a beverage. The interposer includes a faucet adapter mechanism for interconnecting to a lever of the faucet and a handle adapter mechanism for interconnecting to the handle. A shock absorbing member is operatively connected to the faucet adapter mechanism and the handle adapter mechanism to dissipate excessive forces applied to the handle as the handle is moved between a first operative position and a second operative position in order to reduce the likelihood that such excessive forces will be exerted on the faucet and handle. A faucet assembly including a faucet, handle and shock absorbing interposer is also provided.

Abstract: A bearing assembly for a submersible pump motor has a bearing body, having a hub, an outer portion, and a plurality of wing portions. The wing portions are spaced apart to form a plurality of cavities in the bearing body. A mass damper is mounted to the hub. The mass damper has an upper portion, a lower portion and mass damper prongs connecting the upper and lower portion. The mass damper prongs are disposed in the cavities, and act to reduce the amplitude of the vibrating frequency of the motor shaft.

Abstract: A vibration damping system includes a laminated body (3) formed by alternately laminating rigid hard plates (4) and viscoelastic soft plates (5), and pair of shoe plates (1, 2) at both ends in the laminating direction of the laminated body (3), to form a vibration damping body (6). The show plates (1, 2) are connected to each other by a displacement restriction member (7), so as to applying a pre-compression to the laminated body. The vibration damping body (6) is divided into a plurality of segments (3A, 3B, 3C) in the laminating direction, for allowing the vibration-proof main body (6) to be separated and displaced at the parting faces (8), without causing an excessive tensile force in the vibration damping system, even if the displacement restriction member (7) has worn to degrade the pre-compression function and a tensile force is applied due to a prying deformation.

Abstract: In a vibration proofing apparatus, two second pressure receiving liquid chambers are arranged between an outer tube and a mounting attachment, and are configured to communicate with an auxiliary liquid chamber through two second orifices when an auxiliary vibration along an auxiliary amplitude direction orthogonal to an axial direction is input to the mounting attachment, a rubber elastic body is elastically deformed along an auxiliary amplitude direction, and expands and contracts an internal volume of the second pressure receiving liquid chambers. At this time, since a resonance phenomenon is generated in the liquid circulating between the second pressure receiving liquid chambers and the auxiliary liquid chamber through the second orifices in synchronization with the input auxiliary vibration, a low-frequency vibration input along the auxiliary amplitude direction due to a pressure change, and a viscous resistance generated together with the resonance phenomenon of the liquid is effectively absorbed.

Abstract: A slider 24 is supported on a holder 19 of a steering wheel 11 via a coil spring 25 so as to be movable in a direction of an axis while an air bag module 20 is supported on a slider 24 via a damper spring 26 so as to be movable in a direction perpendicular to the axis. Since the coil spring 25 does not affect vibration of the air bag module 20 in the direction perpendicular to the axis, it is possible to set a spring constant of the coil spring 25 at a value appropriate for the operation of a horn switch 37, and to set a spring constant of the damper spring 26 at a value appropriate for the operation of the dynamic damper. As a result, it is possible to effectively reduce the vibration of the steering wheel 11 in the direction perpendicular to the axis with the dynamic damper without affecting the operability of the horn switch 37.

Abstract: An annular vibration isolator for a rotating shaft supported by a bearing is provided. The annular vibration isolator comprises an outer ring extending substantially entirely around the bearing, an arc portion having a contact portion extending toward the bearing, first and second axial portions enclosing a cavity, a first flange portion forming a first channel, a second flange portion forming a second channel, and the first and second flange portions forming a chamber within the cavity and forming a radial passageway connecting the chamber to the first and second channels, and a bellows disposed in the chamber and coupled to the radial passageway, the bellows adapted to receive a fluid from the first and second channels.

Abstract: A mount has a housing and a mount core. An elastomer spring supports the mount core on a housing and a receiving part is vulcanized into the elastomer spring. The receiving part has a receiving opening for the mount core. As the mount core is inserted, a preload is applied to the elastomer spring. The receiving part has at least one first core guide and a second core guide, between which the mount core is held. The receiving part also has a web which connects the core guides to one another in a first state and which is removed before or during the insertion of the mount core. The production of a mount of this type is simplified in this way.

Abstract: An isolator. The novel isolator includes a first mounting structure, a second mounting structure, and a structure for providing a coupling path between the first and second mounting structures, this path having a series of zigzag patterns adapted to attenuate shock and/or vibration energy. The first mounting structure is attached to the shock source, and the second mounting structure is attached to the device to be isolated. In an illustrative embodiment, the isolator provides a path having a series of ninety-degree bends and a length greater than a direct distance between the first and second mounting structures. The path length and number of bends is tuned to provide a desired attenuation level. The dimensions of the isolator may also be tuned to provide a desired resonant frequency. In a preferred embodiment, the isolator is made from metal or some other material having stable properties over time.

Abstract: The invention relates to spring elements and bearings which contain these spring elements, the spring stiffness of the bearings and spring elements being individually adjustable by deformable elastomer bodies or elastomer layers by prestressing. The deformation of the elastomer layers and hence of the spring elements is achieved by an appropriately designed hydraulic device. The leak-tightness of the spring elements and bearing elements according to the invention is achieved through special hydraulically prestressed sealing elements, use of a pressure membrane and special structural features of the elastomer elements.

Abstract: The invention relates to a suspension device for vehicle seats and/or vehicle cabins for applying a spring force to a vibratory motion of a first component relative to a second component, preferably in the longitudinal and/or transverse direction of the vehicle, wherein at least one elongate spring member extending at least in the longitudinal and/or transverse direction of the vehicle is connected in at least one end region to the first component and in the central region thereof to the second component, wherein the elongate spring member is made from a flexible elastomer material that is formed to be rod-shaped.

Abstract: A vibration damper comprises a vibration dampening structure and a load bearing plate disposed on the vibration dampening structure. The vibration dampening structure includes a slip resistant layer and at least one foam layer disposed between the slip resistant layer and the load bearing plate. A resilient mounting layer is disposed on the load bearing plate. The vibration damper may act directly between an underlying support surface and equipment or may act between the underlying support surface and a sheet of flooring.

Abstract: An isolation mount for supporting and isolating one part from another includes an inner member formed to be connected to one of the parts and an outer member formed to be connected to one of the parts. The inner member has a first and a second inner plates being connected at one end and extending at a first angle with respect to each other; the outer member also has a first and a second outer plates being connected at one end and extending at a second angle with respect to each other. The isolation mount further includes a first and a second individual elastomeric element compressed between respective inner and outer plates.

Abstract: A fluid filled type cylindrical vibration damping device, wherein a circumferential end of a stopper member is formed as a mating element smaller in diameter than a circumferentially center section of the stopper member, and is juxtaposed against and supported on a bottom face of a mating groove in a communication passage, to form the communication passage along an entire area between diametrically opposed faces of the mating element and an outer tubular member. A cutout portion is formed extending in a circumferential direction from a circumferential end in a widthwise medial section of the mating element, with the communication passage opening into and communicating with a first fluid chamber at a distal end section of the cutout portion, and at two widthwise side sections of the mating element, respectively, thereby defining an orifice passage connecting the first fluid chamber with a second fluid chamber.

Abstract: A resilient mount including a first mounting member and a second mounting member is provided. The mount includes a first plurality of stiffening elements located between the first and second mounting members. At least a first stiffening element of the first plurality of stiffening elements is non-parallel to a second stiffening element of the first plurality of stiffening elements. Each of the first plurality of stiffening elements has a material thickness and an out-of-plane dimension that is greater than the material thickness. Each stiffening element of the first plurality of stiffening elements is substantially rigid so as to substantially limit the deformation of the stiffening element under load. The mount may also include a resilient material located between and coupled to adjacent stiffening elements of the first plurality of stiffening elements.

Abstract: A vibrating device has at least one dampening portion. The dampening portion comprises a first tube, a second tube and a layer of resilient material configured so that the first tube is disposed about the second tube, and the layer of resilient material is positioned between the first and second tubes.

Abstract: A vibration damper includes a first damping member coupled to a compressor, a second damping member coupled to the first damping member, and a dispersion member between the first and second damping members to disperse torsional vibration forces from the compressor. The dispersion member may also serve to disperse axial and torsional vibration forces received from the compressor through the first damping member.

Abstract: A second bush of a torque rod is fastened and fixed such that a mating fastening member sandwiches an inner fitting in the axial direction. A rubber stopper on an acceleration side projecting from an outer fitting to the inner fitting is provided such that the rubber thickness increases toward a front end. The inner fitting is provided with a stopper contact forming a recessed space in which the rubber stopper is inserted. After the rubber stopper comes in contact with the stopper contact in a stopper function, the rubber stopper is deformed so as to fill the recessed space, and concurrently bulges in the axial direction to come in contact with the mating fastening member.

Abstract: A suspension for suspending of a turbine engine from the structure of an aircraft using a beam with an attachment device which attaches to the structure and at least one link rod articulated via one end to a journal secured to the beam and via the other to a fitting secured to the turbine engine is disclosed. This suspension is one wherein the journal is mounted on the beam via a flexible coupling formed of two preloaded laminated, elastomer and metal, cylinders.

Abstract: An isolation mount for supporting and isolating one part from another includes an inner member formed to be connected to one of the parts and an outer member formed to be connected to one of the parts. The inner member has a first and a second inner plates being connected at one end and extending at a first angle with respect to each other; the outer member also has a first and a second outer plates being connected at one end and extending at a second angle with respect to each other. The isolation mount further includes a first and a second individual elastomeric element compressed between respective inner and outer plates.

Abstract: A shock absorber for absorbing vibration of an article with respect to a stationary member, the article including a coupling element formed with a notch unit. The shock absorber includes an elastic sleeve member having an external surface to permit mounting of the coupling element there around via the notch unit, and a support post. The elastic sleeve member further has an axial hole. The support post is fixed on the stationary member, and extends through the axial hole in said elastic sleeve member. The support post has an intermediate section formed with an absorbing recess in alignment with an inner peripheral portion of the coupling element contacting the elastic sleeve member and confining the notch unit.

Abstract: The invention proposes a method for improving the stability against vibrations of a stay cable (12) comprising at least one strand (11) housed in a substantially externally smooth sheath (1). In this method, at least one wire (2-3) is spirally wound round the sheath so as to be substantially in contact with said sheath along at least part of the stay cable.

Abstract: A vehicular fluid sealed engine mount 10 includes a first mount member 11 to be mounted on an engine EG, a second mount member 12 to be mounted on a body BD, a resilient member 13 which connects between the first and second mount members, a diaphragm 14 fixed to the second mount member far away from the resilient member, a fluid chamber 15 defined by the resilient member and the diaphragm and a partition member 18 fixed to the second mount member in such a manner as to partition the fluid chamber into a main fluid chamber 16 and an auxiliary fluid chamber 17. The second mount member and the partition member have brittle portions 45, 46 which are deformed or broken when a load En is applied thereto from a direction which intersects with an axial direction of the vehicular fluid sealed engine mount at right angles.

Abstract: An anti-vibration device is disclosed comprising an anti-vibration support comprising first and second rigid frames connected together by an elastomeric body and a limiting cap which is snap fitted onto the second frame and designed to be fastened onto a receiving member while clamping the second frame.

Abstract: A suspension system for suspending an apparatus is disclosed. The suspension system includes at least one suspension element mountable between the apparatus and a support. The at least one suspension element includes a laminate material having at least one metal layer and at least one elastomer layer laminated thereon.

Abstract: A fluid filled vibration damping device including an elastic body connecting a first and second mounting member, a pressure-receiving chamber defined by the elastic body and an equilibrium chamber defined by a flexible rubber film. The second mounting member is press fitted into a tubular holder member having an annular holding portion integrally formed at its lower end projecting radially inwardly. A cover plate member having an outside diameter smaller than an inside diameter of the holder member is disposed within the holder member with an outer peripheral portion is fixedly clamped by the second mounting member and the annular holding portion. A sealing rubber is disposed for fluid-tightly closing a gap formed between the clamped portion so that an tightly closed air chamber defined by the cover plate member is formed on a back side of the flexible rubber film.

Abstract: The invention provides for a radially flexible bushing, comprising an outer annular element, an inner rigid element surrounded by the outer element, an elastomer body, which adherently attaches the inner rigid element and the outer element. The elastomer body comprises spaced-apart arms extending radially from the inner rigid element to the outer element. It further comprises at least one radial stop for limiting the radial displacement of the inner rigid element. The radial stop, which is positioned on the outer element between the arms, comprises an arch having extremities joined to the outer element and a top oriented towards the rigid element. The arch defines together with the outer element a tubular cavity.

Abstract: A shock absorber for vehicle seat is provided. The shock absorber is suspended on a seat frame so as to elastically support a pad. The shock absorber includes: a plurality of wires that are disposed in parallel to the seat frame, both ends of the wires being locked to the seat frame; and a resinous member that connects the wires to each other, the resinous member having a bent portion, wherein the resinous member is elastically deformable in a direction in which the wires are opposed each other in accordance with a deformation of the bent portion.

Abstract: A hydropneumatic accumulator includes a shell in which gas and fluid ports are connected, respectively, with gas and fluid reservoirs of variable volume separated by a movable separator. The gas reservoir contains a compressible regenerator that fills the gas reservoir so that the separator movement reducing the gas reservoir volume compresses the regenerator. The regenerator is made from leaf elements located transversally to the separator motion direction and dividing the gas reservoir into intercommunicating gas layers of variable depths. The regenerator is preferably made from interconnected elastic metal leaf elements to allow variation of the bending strain degree so that the local bending strains of the leaf elements should not exceed the elastic limits at any position of the separator. The efficiency of fluid power recuperation and durability of the regenerator are increased.