Abstract: A method, system, and computer readable medium for performing a generalized angle-based tracker for a target determines angle-based information from a target signal, and initializes a Stationary Surface Filter (SSF), a Moving Surface Filter (MSF), and a Pseudorange Kalman Filter (PKF) with the angle-based information. Next, the SSF and MSF are scored by the PKF. If the information is associated, then the SSF, MSF, and PKF are updated. It is determined if at least one plausible Constituent Kalman Filter (CKF) exists for the SSF and MSF. If at least one CKF exists for the SSF and no CKF exists for the MSF, then the target is stationary surface; if at least one CKF exists for the MSF and no CKF exists for the SSF, then the target is moving surface; if no CKF exists for both the SSF and the MSF, then the target is moving airborne.

Abstract: A gaseous fuel-air mixer includes an outer shell, an inner shell, and a fuel chamber rib. The outer shell includes an air intake and a fuel intake. The air intake is configured to receive air. The air intake has an air outlet. The fuel intake has a fuel inlet that is configured to receive fuel. The inner shell includes an inner shell intake that is configured to separately receive the air from the air outlet and the fuel from the fuel intake and to provide a gaseous fuel-air mixture. The inner shell cooperates with the outer shell to define a fuel intake collecting chamber that is configured to receive the fuel from the fuel inlet and a fuel intake concentrating chamber that is configured to receive the fuel from the fuel intake collecting chamber and provide the fuel to the inner shell intake.

Abstract: A method is provided for displaying an augmented reality (AR) representation of physical effects and property damage resulting from a parametric earthquake event. The method includes scanning, using one or more sensors of a user device, a scene in proximity to a user. The method also includes identifying a background and objects in the scene. The method further includes creating an AR background for the background of the scene and AR objects for the objects in the scene. In addition, the method includes receiving at least one seismic characteristic from the user through the display of the user device. The method additionally includes displaying at least one seismic effect on the AR objects and the AR background in the scene based on the at least one received seismic characteristic.

Abstract: Food storage containers including an enclosure, a door, an inert gas chamber, an inert gas, and an inert gas valve. The enclosure contains a food storage environment fluid. The enclosure defines a food storage chamber for a food item with an access opening. The enclosure and the door are complementarily configured to seal the food storage chamber from an external environment when the door is in the closed position. The inert gas chamber is in fluid communication with the food storage chamber. The inert gas valve is configured to selectively allow fluid communication between the inert gas chamber and the food storage chamber. The inert gas valve is disposed between the inert gas chamber and the food storage chamber. The food storage environment fluid is infused with the inert gas from the inert gas chamber at a selected composition when the door is in the closed position.

Abstract: A guard assembly is for an electrical switching apparatus of an electrical system. The electrical system includes a number of conductors each having an insulated portion and an exposed portion that meet at a junction. The electrical switching apparatus includes a housing and a number of terminals connected to the exposed portion of a conductor. The guard assembly comprises: an interconnect member coupled to the housing; and a number of guard members each comprising: a first portion coupled to the interconnect member, and a second portion extending from the first portion away from the housing, the second portion comprising: a first distal end located at the first portion, and a second distal end opposite and distal from the first distal end. Each of the guard members has an opening. The opening receives a conductor. Each junction is located between a second distal end and a terminal.

Abstract: A guard assembly is for an electrical switching apparatus of an electrical system. The electrical system includes a number of conductors each having an insulated portion and an exposed portion that meet at a junction. The electrical switching apparatus includes a housing and a number of terminals connected to the exposed portion of a conductor. The guard assembly comprises: an interconnect member coupled to the housing; and a number of guard members each comprising: a first portion coupled to the interconnect member, and a second portion extending from the first portion away from the housing, the second portion comprising: a first distal end located at the first portion, and a second distal end opposite and distal from the first distal end. Each of the guard members has an opening. The opening receives a conductor. Each junction is located between a second distal end and a terminal.

Abstract: A compressible spring for at least absorbing and dissipating energy includes a plurality of elastomeric pads disposed coaxially and in series with each other and a plurality of separator plates, with each plate being disposed between a pair of the adjacent pads. A plurality of first prongs are formed integrally with or secured to a first surface of each separator plate for attaching the plate to one pad and a plurality of second prongs are formed integrally with or secured to a second surface for attaching the plate to an opposed pad. An axial aperture is also formed through each plate with prongs positioned in an alternating manner on a peripheral edge of the axial aperture. Projections may be also provided on each surface of the plate and adapted with an axial aperture that continues through the plate for additional attachment of the plate to the pair of pads.

Abstract: A method of making a compressible elastomeric spring including at least one compressible elastomeric pad enclosed by a pair of metal plates includes the steps of forming plates with a center aperture and a plurality of prongs positioned about a peripheral edge thereof, forming each end of the pad with an axial projection and abutting groove, aligning the plurality of prongs with each respective projection and respective groove and applying axial force to one end of the spring to frictionally interlock the plurality of prongs with such projection and groove. The method also provides for making a multi-tiered stack of pads separated by plates in the above described manner and pre-shortening the spring prior to installation into the conventional yoke. The above described method additionally improves axial straightness and lateral stability of the multi-tiered spring assembly.

Abstract: A constant contact side bearing assembly for a railcar includes a housing having a base, a pair of mounting apertures formed through a thickness of the base, a generally cylindrical housing wall upstanding on the base, a pair of diametrically opposed channels, a pair of diametrically opposed openings and a guide member disposed centrally on and upstanding from an inner surface of the base. A cap is disposed for reciprocal axial movement relative to the housing. An elastomeric spring is disposed within a generally closed chamber formed by a combination of the housing and the cap. A pair of air passages is provided for dissipating heat generated during operation of the constant contact side bearing assembly. Each air passage is defined by a pair of aligned openings formed through a wall portion of the cap. Each opening may be disposed within a pocket provided within the cap wall.

Abstract: A parking brake assembly for a railway car includes a ratchet mounted for rotation on a threaded piston rod of a brake actuator and a holding pawl engageable with the ratchet for maintaining a push rod of the parking brake assembly to apply braking force when the air pressure is lost in the brake pipe and releasing the push rod to accordingly release the braking force when the supply of air pressure in the brake pipe is restored. An operating lever and a cylinder connected thereto are provided for selectively rotating the holding pawl. Valve is provided for supplying air pressure to and evacuating it from the cylinder. Release mechanism is provided for manually releasing the braking force. The parking brake assembly is employed with either truck-mounted or carbody-mounted braking system.

Abstract: A compressible resilient elastomeric pad includes a body defining a central axis, the body formed from a predetermined material and having each of a peripheral side surface, a first axial end and a second axial end, each of the first and second axial ends having a flat surface thereof disposed normal to such central axis. A first raised projection is centrally formed on the flat surface of the first axial end and a second raised projection is centrally formed on the flat surface of the second axial end. A first groove is formed in the flat surface of the first axial end in abutting relationship with a peripheral side surface of the first projection and a second groove is formed in the flat surface of the second axial end in abutting relationship with a peripheral side surface of the second projection.

Abstract: A method of making a compressible elastomeric spring including at least one compressible elastomeric pad enclosed by a pair of metal plates includes the steps of forming plates with a center aperture and a plurality of prongs positioned about a peripheral edge thereof, forming each end of the pad with an axial projection and abutting groove, aligning the plurality of prongs with each respective projection and respective groove and applying axial force to one end of the spring to frictionally interlock the plurality of prongs with such projection and groove. The method also provides for making a multi-tiered stack of pads separated by plates in the above described manner and pre-shortening the spring prior to installation into the conventional yoke. The above described method additionally improves axial straightness and lateral stability of the multi-tiered spring assembly.

Abstract: A data processing system issuing electronic certificates through “online” networks. Each electronic certificate includes transaction data and identification data, and can be printed out on a printing device linked to a consumer's personal input device, or electronically stored in a designated data base until a specified expiration date. Consumers access the data processing system online, browse among their choices, and make their selections. Certificate issuers have online access to the data processing system and can create or revise offers, and provide various instructions pertaining to the certificates, including limitations as to the number of certificates to be issued in total and to each individual consumer.

Abstract: A method of making a compressible elastomeric spring including at least one compressible elastomeric pad enclosed by a pair of metal plates includes the steps of forming plates with a center aperture and a plurality of prongs positioned about a peripheral edge thereof, forming each end of the pad with an axial projection and abutting groove, aligning the plurality of prongs with each respective projection and respective groove and applying axial force to one end of the spring to frictionally interlock the plurality of prongs with such projection and groove. The method also provides for making a multi-tiered stack of pads separated by plates in the above described manner and pre-shortening the spring prior to installation into the conventional yoke. The above described method additionally improves axial straightness and lateral stability of the multi-tiered spring assembly.

Abstract: A parking brake assembly for a railway car includes a ratchet mounted for rotation on a threaded piston rod of a brake actuator and a holding pawl engageable with the ratchet for maintaining a push rod of the parking brake assembly to apply braking force when the air pressure is lost in the brake pipe and releasing the push rod to accordingly release the braking force when the supply of air pressure in the brake pipe is restored. An operating lever and a cylinder connected thereto are provided for selectively rotating the holding pawl. Valve is provided for supplying air pressure to and evacuating it from the cylinder. Release mechanism is provided for manually releasing the braking force. The parking brake assembly is employed with either truck-mounted or carbody-mounted braking system.

Abstract: A parking brake assembly for a railway car includes a ratchet mounted for rotation on a threaded piston rod of a brake actuator and a holding pawl engageable with the ratchet for maintaining a push rod of the parking brake assembly to apply braking force when the air pressure is lost in the brake pipe and releasing the push rod to accordingly release the braking force when the supply of air pressure in the brake pipe is restored. An operating lever and a cylinder connected thereto are provided for selectively rotating the holding pawl. Valve is provided for supplying air pressure to and evacuating it from the cylinder. Release mechanism is provided for manually releasing the braking force. The parking brake assembly is employed with either truck-mounted or carbody-mounted braking system.