Class 105/198.1 - Pneumatic spring

Subclass of Class 105 - Railway rolling stock
Definition: Bogie wherein the resilient member comprises a vessel filled
No. of patents: 24
Last issue date: 10/24/2006

Number	Title	Issue Date
7125008	Air-spring vibration isolation device A vibration isolation device including a stationary housing; a movable top plate positioned horizontally above the stationary housing; an airtight flexible member forming an airtight pressure chamber between the movable top plate and the stationary housing; a vibrat...	10/24/2006
6550394	Retractable auxiliary bumper for hydraulic or pneumatic railway suspensions An auxiliary suspension for hydraulic or pneumatic railway car suspensions is disclosed. The auxiliary suspension includes a bumper assembly which is located below the railcar body. The bumper assembly further includes a bumper pad that is retracted when ...	04/22/2003
5802982	Roll control mechanism for swing motion truck A roll control mechanism for use with a swing motion railway car truck. The control mechanism comprises a transom stop adapted to be attached to the transom of the truck. The transom stop includes a convex cylindrical surface having a tip that is adapted ...	09/08/1998
5351624	Bogie for high-speed rail vehicles A bogie or truck for high-speed rail vehicles or railway cars includes an H-shaped bogie or truck frame, primary springs cushioning the bogie frame, and a lateral bolster being movable relative to the bogie frame, receiving a coach or car body and being c...	10/04/1994
4817536	Rail bogie for convertible rail-highway vehicle A rail bogie for a convertible rail-highway vehicle system having an overall height of approximately thirty inches so that the bogie can fit under the rear of a semi-trailer body, all necessary braking equipment, except for air hose connections; a structu...	04/04/1989
4693185	Control systems for vehicle fluid suspension systems The invention provides a control system for a vehicle fluid spring suspension system consisting of four fluid springs which support the vehicle body from two longitudinally-spaced trucks. Typically such a vehicle is a rail car employing air springs. The t...	09/15/1987
4690388	Pneumatic vehicle suspension with failsafe internal stop A pneumatic spring for use in a vehicle suspension has provided within the pneumatic spring an elastomeric spring which is subject to load only in the event of a pressurization failure of the pneumatic spring. The elastomeric spring is secured at one end ...	09/01/1987
4569291	Articulated bogie An articulated bogie for railroad vehicles, comprising lateral equalizing bars connecting the axle boxes, and connected to each other by a primary cross member. The lateral equalizing bars (3) are connected directly to the axle boxes (2) without the use o...	02/11/1986
4538524	Equalization means for a railway truck A railway truck includes a pair of pivotable side frames connected by a pivot assembly which maintains the side frames in tram while still permitting equalization. Springs are connected between a car body and the side frames to provide equalization for th...	09/03/1985
4504079	Sway bag suspension system A plurality of interconnected air bag assemblies suspend a frame above a vehicle axle or similar support member to provide a low vertical spring rate and a high roll spring. The air bag assemblies comprise a pair of air bags and a piston suspended therebe...	03/12/1985
4474267	Method of hydraulically damping railway car body roll A method for controlling car body roll in high capacity railraod freight cars, in accordance with which a hydro-pneumatic roll control unit is incorporated in the car truck spring groups that support the respective truck bolsters. The roll control unit co...	10/02/1984
4457238	Railway truck; pivotal connection A railway truck assembly adapted to produce steering of the wheel axles radially to a curve to reduce wear and noise and characterized by a pivot connection between the bolster and the truck frame elements which; in cooperation with direct transmission of...	07/03/1984
4434719	Steering motorized truck A steerable railway truck includes a main frame structure having a bolster and a pair of side frames to be secured to a car body. A pair of "C" shaped sub-frames are interconnected. Extending arm portions of the sub-frames are slidably mounted to the end ...	03/06/1984
4428302	Emergency spring system for a railway car Emergency springs are disposed within air springs which are used for normally supporting a railway car body. When the air springs fail, the car body is supported by the emergency springs. Each of the emergency springs includes a conventional spring in com...	01/31/1984
4428301	Radial axle railway truck A radial axle railway truck has a pair of depressed center side frames supported at their ends from the axles by horizontal elastomeric pad devices carried on the sides of outboard journal bearing adapters to permit steering movements of the axles, the ho...	01/31/1984
4274338	Transversely adjustable suspension system A guided vehicle having a body with rubber-tired steerable running wheels mounted on axles. A suspension system for the axles includes transversely extending upper and lower link arms which are parallel with each other and have equal arm lengths. Each of ...	06/23/1981
4271765	Railway car tilting stabilizing system A tilt control system comprises a roll bar structure having two separate opposite rotatable members attached on the bottom of both sides of the car body between the car body and bolster. A pair of lever arms connect the ends of the rotatable members to th...	06/09/1981
4258629	Braking and steering radial truck A radial axle railway truck of the rigid frame type has an improved primary suspension for resiliently supporting the truck frame from the axles while permitting arcuate movements of the ends of the axles required to allow the axles to assume radial posit...	03/31/1981
4237791	Radial axle railway truck disc brakes A railway truck has a pair of radial axles with journal bearings at their ends and an adaptor mounted on each journal bearing and arranged to support the truck framing for steering movements of the respective axles with respect thereto, rigid links connec...	12/09/1980
4221172	Articulated railway truck A railway truck assembly adapted to produce steering of the wheel axles radially to a curve independently of mere lateral motions of the car body to reduce wear and noise and also featuring a pivot connection between the bolster and the truck frame elemen...	09/09/1980
4192238	Railway car drive system A railway car includes prime movers mounted to a car body directly connected to pairs of gear boxes to drive pairs of axles mounted on a pair of trucks, with direct connections between the gear boxes and the connections being such so as to permit independ...	03/11/1980
4099742	Control valve device for vehicle air springs A mechanical or magnetic-actuated control valve device for so controlling pressure of fluid in an air spring for interposition between a sprung portion and an unsprung portion of a vehicle as to support the sprung portion at a substantially constant prese...	07/11/1978
4029305	Pneumatic vibration isolator and suspension system A self-positioning shock and vibration isolating suspension system is disclosed which incorporates one or more pneumatic mounts for supporting a load on a base. Each pneumatic mount comprises a hollow elastomer body with a diaphragm at each end, means for...	06/14/1977
3941061	Pneumatic railway car suspension A rail vehicle, especially a passenger train car for high-speed trains provided with air springs associated with each swivel truck in symmetry with the longitudinal central plane, their distance from center to center being so much smaller than the track g...	03/02/1976

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Class 105/198.1 - Pneumatic spring