Class / Patent application number | Description | Number of patent applications / Date published |
188268000 | Using yieldable or fluent solid or semisolid | 28 |
20080236965 | TRANSPORTATION DEVICE - The invention provides a transportation device having a shock absorbing device with a reduced non-collapse region. Shock absorbers | 10-02-2008 |
20090139810 | ROTARY DAMPER - A rotary damper is provided and includes: a housing; an annular ring member that is provided in the housing, and is made of elastomer or flexible rubber; a shaft body that is accommodated in a rotatable manner in the housing; and a sliding portion that is provided in the housing and makes contact with the ring member so as to freely slide with respect to the ring member along the circumferential direction thereof, in which: the ring member has an abutting portion that abuts the sliding portion, and a hollow portion provided inside the ring member; the hollow portion has an opening portion on the side opposite to the abutting portion; in the state of having enclosed gas in the hollow portion, the opening portion is hermetically joined to the inner surface of the housing; a projected portion that engages with the opening portion of the hollow portion is provided on the inner surface of the housing; and a pressing member that presses the ring member toward the inner surface of the housing is provided on the inner side and/or outer side of the ring member in the radial direction. | 06-04-2009 |
20090139811 | DAMPER DEVICE - Mass portions of torsional dampers are annular surrounding corresponding elastic portions. The mass portion of the torsional damper has a first inclined face formed such that the elastic portion deforms in a sheared manner as the mass portion rotates in a rotational direction with respect to a companion flange and the elastic portion partially deforms in a compressed manner as the mass portion rotates in a direction other than the rotational direction. The mass portion of the torsional damper has second inclined faces formed such that the elastic portion deforms in a sheared manner as the mass portion rotates in the direction of the rotational axis of the companion flange and the elastic portion partially deforms in a compressed manner as the mass portion rotates in a direction other than the direction of the rotational axis. | 06-04-2009 |
20090173587 | Resistance mechanism for a pedal assembly - A resistance mechanism used in motor vehicle accelerator pedals for generating an opposing mechanical force. The resistance mechanism includes a piston adapted for movement in a housing between a first detent or stop position and a second compressed position. The piston includes an exterior surface defining at least one recess. A spring, located in the housing, biases the piston in the first position. A pin in the housing is seated in the recess of the piston in the first position of the piston. A retainer is adapted to retain the pin in the piston recess in the first position of the piston. The piston is adapted for movement between the first position and a second compressed position in which the pin is forced out of the recess and into the housing. | 07-09-2009 |
20090266659 | Shock Absorber for Sliding Sleeve in Well - A sliding sleeve for frac operations or the like has a housing, a sleeve, and a shock absorber. The sleeve is movable within the housing's internal passage relative to flow ports. The shock absorber, which can have a cylindrical body, positions partially in the sleeve's internal passage and has a distal end that extends beyond the sleeve. A lip on the sleeve's end is engageable with the internal shoulder. When a ball is dropped on the sleeve's ball seat and pumped fluid forces the sleeve to an open position, the shock absorber absorbs the movement of the sleeve. To absorber the movement, the shock absorber breaks one or more shear pin connections with the sleeve, interposes its lip between the sleeve's distal end and the internal shoulder, and fractures at least a portion of its distal end from the impact with the sleeve. | 10-29-2009 |
20090288923 | BUMP STOPPER FOR SUSPENSION SYSTEM - A bump stopper for a suspension system that has at least a parting line along a longitudinal direction of the bumper stopper, may include at least two convex portions coaxially connected each other in the longitudinal direction of the bump stopper and contacting each other in a compressed state, a first array including first reinforcing blocks integrally formed on the respective convex portions along the parting line, each abutting first reinforcing block having a first contact angle therebetween in the longitudinal direction of the bumper stopper, and a second array including second reinforcing blocks integrally formed on the respective convex portions, each abutting second reinforcing block having a second contact angle therebetween in the longitudinal direction of the bumper stopper, wherein the first array is disposed with a predetermined angle from the first array along a circumferential direction of the bumper stopper. | 11-26-2009 |
20090308705 | Colloidal damper - Intended is to perform a further durability improvement of a colloidal damper. This colloidal damper ( | 12-17-2009 |
20090321199 | APPARATUS WITH PROTECTION MECHANISM - An apparatus includes a main body and a protection mechanism disposed on the main body. The protection mechanism includes a connecting member inserted in the main body and including a post; and a damping member attached on the connecting member away from the main body. The damping member bears an initial impact, before the main body, when the apparatus collides. | 12-31-2009 |
20100012450 | FLOATING PISTON VALVE OF AMPLITUDE SELECTIVE SHOCK ABSORBER - A floating piston valve includes an annular valve body having a fluid passing hole formed therein, a pair of upper and lower valve discs respectively mounted on upper and lower sides of the valve body to generate damping force, a pair of upper and lower tripod type leaf valve springs respectively mounted on upper and lower sides of the upper and lower valve discs, and a pair of upper and lower coupling supports coupled to the valve body respectively at upper and lower sides of the upper and lower tripod type leaf valve springs. Each of the coupling supports includes an annular support section and a coupling section at least partially formed on an outer edge of the annular support section and is fastened to the valve body through a portion of an outer edge of the valve body. | 01-21-2010 |
20100101903 | VIBRATION ISOLATORS - Vibration isolators are provided that include a shaft, a first bushing, a second bushing, a first outer annular member, a second outer annular member, a first elastomeric member, a second elastomeric member, and a shim. The first elastomeric member is adapted to provide a first stiffness for damping a first vibration, and the second elastomeric member is adapted to provide a second stiffness for damping a second vibration, the second stiffness being greater than the first stiffness. | 04-29-2010 |
20100175956 | VISCOUS PENDULUM DAMPER - A damper that shears a fluid to dampen rotational force fluctuations and moves a plurality of masses within a fluid to dampen dynamic loading force fluctuations. The damper includes a case, a ring, a plurality of pockets, a mass, and a fluid. The case at least partially defines a case fluid cavity containing the fluid. The pockets are in the ring and the masses are in the pockets. | 07-15-2010 |
20100193305 | ACTIVELY CONTROLLED COLLOIDAL DAMPER - An actively controlled colloidal damper having controllable damping characteristics. The damper has a cylinder ( | 08-05-2010 |
20110114427 | Shock energy absorber - A shock energy absorber includes, in one example, a cylinder having a closed end and an open end, a sleeve fixed about the open end of the cylinder, and a damping material in the form of an ultra high molecular weight polyethylene material in the cylinder. A plunger is positioned to be driven into the damping material via the sleeve. When the plunger is impacted and driven into the damping material, the damping material changes from a solid to a viscous fluid state thereby enabling absorption of a significant amount of energy. | 05-19-2011 |
20120024645 | DAMPING STRUCTURE - According to the invention, there is provided a damping structure capable of obtaining a sufficient damping effect even against vibrations of small amplitudes, by promoting movements of powder/particle materials inside a hollow body. In the damping structure of the invention, a damping member | 02-02-2012 |
20120024646 | DAMPING STRUCTURE - The present invention provides a damping structure capable of obtaining a sufficient damping effect even against vibrations with small amplitudes, by promoting movements of powder/particle materials in a hollow body. In the damping structure of the invention, a damping member | 02-02-2012 |
20120055746 | COMPACT COULOMB DAMPER - A coulomb damper is attached to a component of an exhaust system. The inner surface of the coulomb damper is in intimate contact with the outer surface of the component of the exhaust system. The intimate contact is defined by a pair of weld lines extending along an axial length of the coulomb damper in one embodiment. In another embodiment, the intimate contact is defined by at least a three point contact between the coulomb damper and the component of the exhaust system. In another embodiment a coulomb damper includes an outer member press fit over an inner member. A chamber is defined between the inner and outer member. In one embodiment, the inner member and the outer member are coaxial and the chamber is an annular chamber having a constant radial width. In another embodiment, the chamber is eccentric in relation to the inner member and has a variable radial width. | 03-08-2012 |
20120145495 | COLLOIDAL DAMPER - A colloidal damper includes: a cylinder; a piston guided and supported by the cylinder and defining a closed space in association with the cylinder; a porous body having a multiplicity of first pores and being housed in the closed space; a liquid contained in the closed space together with the porous body, the liquid flowing into the first pores of the porous body when pressurized, and flowing out from the first pores of the porous body when the pressure is relieved. The damper may include a partition wall which has a multiplicity of second pores and which isolates the porous body from a frictional area, each of the second pores having a diameter smaller than the outer diameter of the porous body. The porous body may have an outer diameter larger than the size of the gap formed between the cylinder and the piston. | 06-14-2012 |
20120186923 | COLLOIDAL DAMPER - A colloidal damper disposed between two members for damping a relative movement of the two members, including: (I) a cylinder device including a housing and a piston which are connected to one and the other of the two members and which define a chamber; (II) a colloidal-solution sealed body accommodated in the chamber and including: (A) a colloidal solution in which are mixed a first working fluid and porous bodies each having pores; and (B) a hermetically sealed container which has flexibility and which hermetically seals the colloidal solution contained therein; and (III) a second working fluid contained in the chamber together with the colloidal-solution sealed body, wherein the colloidal damper is configured to damp the relative movement of the two members by the inflow and the outflow of the first working fluid into and out of the pores upon the relative movement of the two members. | 07-26-2012 |
20120193180 | VIBRATION-DAMPING SHEET, METHOD FOR DAMPING VIBRATION OF VIBRATING MEMBER, AND METHOD FOR USE THEREOF - A vibration-damping sheet includes a resin layer formed from a plurality of resin compositions having different glass transition temperatures; and a constraining layer laminated on the resin layer. | 08-02-2012 |
20140020993 | COLLOIDAL DAMPER - Provided is a colloidal damper capable of harvesting electrical energy—that is, practical electrical power—from mechanical energy acting from the outside. This colloidal damper has: a cylinder; a piston which is guided and supported so as to reciprocate freely within this cylinder, and which combines with the cylinder to form a sealed space; a porous body having many pores and housed within the sealed space; an operating fluid which is housed together with the porous body in the sealed space and flows into the pores of the porous body when pressure is applied, and flows out from the pores of the porous body when the pressure is reduced; and a piezoelectric element installed in the sealed space. | 01-23-2014 |
20140138196 | SHOCK-ABSORBING DEVICE - Provided is a passive protection device including a housing volume which is impermeable to air; at least one inner chamber which is permeable to air and housed in the housing volume, filling particles made of a vegetable fabric and housed in the inner chamber; at least one valve configured to make a fluid-passage connection between the inner chamber and the external environment so as to alter the extension of the inner chamber and to define an extended configuration, in which the distinct particles are freely movable inside the inner chamber, and a compressed configuration in which the distinct particles are compacted to form a solid body. | 05-22-2014 |
20140144736 | ENERGY ABSORBERS INCLUDING SHAPE MEMORY ALLOY PARTICLES - An energy absorber is disclosed herein. The energy absorber includes a structure defining a hollow interior portion. The energy absorber also includes a working volume defined in at least a portion of the hollow interior portion. The energy absorber further includes shape memory alloy (SMA) particles positioned within the working volume. The SMA particles have an Austenite finish temperature (A | 05-29-2014 |
20140238794 | ELECTRIC JACK COMPRISING STRESS-LIMITING MEANS AND SPACE LAUNCHER COMPRISING A NOZZLE SUPPORTED BY SUCH A JACK - An electromechanical actuator ( | 08-28-2014 |
20140284154 | COMPACT COULOMB DAMPER - A coulomb damper is attached to a component of an exhaust system. The inner surface of the coulomb damper is in intimate contact with the outer surface of the component of the exhaust system. The intimate contact is defined by a pair of weld lines extending along an axial length of the coulomb damper in one embodiment. In another embodiment, the intimate contact is defined by at least a three point contact between the coulomb damper and the component of the exhaust system. In another embodiment a coulomb damper includes an outer member press fit over an inner member. A chamber is defined between the inner and outer member. In one embodiment, the inner member and the outer member are coaxial and the chamber is an annular chamber having a constant radial width. In another embodiment, the chamber is eccentric in relation to the inner member and has a variable radial width. | 09-25-2014 |
20140326553 | SHOCK ENERGY ABSORBER - A shock energy absorber includes, in one example, a cylinder having a closed end and an open end, a sleeve fixed about the open end of the cylinder, and a damping material in the form of an ultra high molecular weight polyethylene material in the cylinder. A plunger is positioned to be driven into the damping material via the sleeve. When the plunger is impacted and driven into the damping material, the damping material changes from a solid to a viscous fluid state thereby enabling absorption of a significant amount of energy. | 11-06-2014 |
20140360824 | ELASTICALLY DEFORMABLE ENERGY MANAGEMENT ARRANGEMENT AND METHOD OF MANAGING ENERGY ABSORPTION - An elastically deformable energy management arrangement includes a first component comprising a first surface and a second surface. Also included is a protrusion extending from the second surface of the first component and having an outer surface, the protrusion at least partially formed of an elastically deformable material. Further included is a second component in slideable engagement with the outer surface of the protrusion and spaced from the second surface of the first component. | 12-11-2014 |
20150354654 | NEGATIVE STIFFNESS APPARATUS - A negative stiffness apparatus includes a fluid filled bellows interposed between a first surface and a second surface wherein the bellows and the first and second surfaces have an orientation of substantial equilibrium between the first and second surfaces. The bellows and the first and second surfaces include other orientations wherein the first and second surfaces are displaced from the orientation of substantial equilibrium and the bellows exerts a displacement force to urge the first and second surfaces further away from the orientation of substantial equilibrium | 12-10-2015 |
20160069413 | SHOCK ENERGY ABSORBER - A shock absorber includes damping material in a solid state and which transitions from a solid to a viscous fluid state when stressed and a plunger device including a depending blade positioned in or adjacent the damping material to be driven into the damping material when impacted transitioning the damping material to a viscous fluid state absorbing the impact. | 03-10-2016 |