Abstract: A shock absorbing apparatus includes a flexible membrane defining an accumulator cavity, and a compression assembly defining a compression cavity. The compression assembly is disposed within the flexible membrane such that viscous fluid contained within the cavities may be exchanged therebetween by a damping orifice, fluid conduit and or valve mechanism. The accumulator cavity deforms in response to the application of a transmitted impact load, and is capable of storing and releasing potential energy in response to the application and cessation of the transmitted impact load.

Abstract: A shock absorbing apparatus includes a flexible membrane defining an accumulator cavity, and a compression assembly defining a compression cavity. The compression assembly is disposed within the flexible membrane such that viscous fluid contained within the cavities may be exchanged therebetween by a damping orifice, fluid conduit and or valve mechanism. The accumulator cavity deforms in response to the application of a transmitted impact load, and is capable of storing and releasing potential energy in response to the application and cessation of the transmitted impact load.

Abstract: A shock absorbing apparatus includes a flexible membrane defining an accumulator cavity, and a compression assembly defining a compression cavity. The compression assembly is disposed within the flexible membrane such that viscous fluid contained within the cavities may be exchanged therebetween by a damping orifice, fluid conduit and or valve mechanism. The accumulator cavity deforms in response to the application of a transmitted impact load, and is capable of storing and releasing potential energy in response to the application and cessation of the transmitted impact load.

Abstract: A shock absorbing apparatus includes a flexible membrane defining an accumulator cavity, and a compression assembly defining a compression cavity. The compression assembly is disposed within the flexible membrane such that viscous fluid contained within the cavities may be exchanged therebetween by a damping orifice, fluid conduit and or valve mechanism. The accumulator cavity deforms in response to the application of a transmitted impact load, and is capable of storing and releasing potential energy in response to the application and cessation of the transmitted impact load.

Abstract: An apparatus and method for damping vibrations within a physical object that is subject to vibration. In one version, a highly flexible enclosure includes at least one interior cavity that is substantially filled with a damping material in which the flexible enclosure is wrapped and secured about the exterior of the physical object.

Abstract: 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.

Abstract: 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.

Abstract: A noise attenuator for attaching a side wall panel to a frame that is exposed to vibratory loads and which includes a rigid core having a sleeve with two radially disposed end plates. A bracket encircles a portion of said sleeve between the end plates and is in non-contiguous relationship with the core. An elastomeric bushing is bonded to a portion of the bracket and the core with the exception of the outer faces of the end plates, which remain exposed. Voids are passed through the rear plate and extend axially between the bracket and the sleeve some length into the sleeve. Due to the geometry of the unit, the non-voided sections of the bushing are loaded in either a combination of tension and shear or compression and shear when the core is connected to a vibrating frame and the bracket is connected to a side wall panel.

Abstract: An apparatus and method for damping vibrations within a physical object that is subject to vibration, such as for example, a railroad car running board. In one version, an enclosure is substantially filled with a granulated visco-elastic material, such as for example, granulated rubber, that is fixedly attached to the physical object.

Abstract: An elastomeric tie rod end isolator or an elastomeric cartridge isolator that includes an outer metal sleeve defining a generally cylindrical socket, a generally cylindrical inner metal sleeve disposed coaxially within the socket in radially spaced relationship with the outer metal sleeve, and an elastomeric isolator disposed therebetween. The elastomeric isolator is a unitary annular body formed of an elastomer material and having a radially inboard surface in contact with the inner metal sleeve and a radially outboard surface in contact with the outer metal sleeve. The unitary elastomer body has a generally conical primary load-carrying section and a generally cylindrical secondary load-limiting section, each disposed coaxially about the axis of the socket. The load-limiting section includes a snubber gap formed by an axially extending groove.

Abstract: A system for limiting the exchange of shock and vibration motions and forces between a load and its supporting structure including an isolator. In one aspect, the isolator is designed for in-line mounting with a support strut. The isolator includes an elastomer member that may be substantially permanently maintained in a compression/shear state.

Abstract: A noise attenuator for attaching a side wall panel to a frame that is exposed to vibratory loads and which includes a rigid core having a sleeve with two radially disposed end plates. A bracket encircles a portion of said sleeve between the end plates and is in non-contiguous relationship with the core. An elastomeric bushing is bonded to a portion of the bracket and the core with the exception of the outer faces of the end plates, which remain exposed. Voids are passed through the rear plate and extend axially between the bracket and the sleeve some length into the sleeve. Due to the geometry of the unit, the non-voided sections of the bushing are loaded in either a combination of tension and shear or compression and shear when the core is connected to a vibrating frame and the bracket is connected to a side wall panel.

Abstract: An elastomeric tie rod end isolator or an elastomeric cartridge isolator that includes an outer metal sleeve defining a generally cylindrical socket, a generally cylindrical inner metal sleeve disposed coaxially within the socket in radially spaced relationship with the outer metal sleeve, and an elastomeric isolator disposed therebetween. The elastomeric isolator is a unitary annular body formed of an elastomer material and having a radially inboard surface in contact with the inner metal sleeve and a radially outboard surface in contact with the outer metal sleeve. The unitary elastomer body has a generally conical primary load-carrying section and a generally cylindrical secondary load-limiting section, each disposed coaxially about the axis of the socket. The load-limiting section includes a snubber gap formed by an axially extending groove.