Abstract: A unitary bogie frame for a bogie of a rail vehicle, includes: two side beams and at least one support beam extending in the transverse direction of the bogie frame and rigidly connected to each of the two side beams. The support beam includes a support portion for supporting a drive unit of the bogie and a slender portion. The support portion is directly connected to one of the two side beams and is connected to the other of the two side beams through the slender portion. The planar second moment of area and the polar second moment of area of any cross section of the support portion of the support beam are at least twice as great as the planar second moment of area and the polar second moment of area, respectively, of any cross-section of the slender portion of the support beam.

Abstract: A crank cap assembly provided with a crank cap rotatably supporting a crankshaft includes a mass portion, two cap bolts fixing the crank cap to an engine body, and an elastic supporter disposed between the two cap bolts. The elastic supporter elastically supports the mass portion with respect to the crank cap in an axial direction of the crankshaft.

Abstract: A fuel management module for use with a CNG fuel system for a vehicle includes a housing configured to be connected to the vehicle and a number of connections, receptacles, and controls associated with the module. A defueling receptacle may be positioned on the front panel of the housing, for defueling a fuel tank of the vehicle. A defueling control valve may be positioned on the front panel of the housing for controlling operation of the defueling receptacle, allowing for selective defueling. One or more high pressure connections may be accessible on the housing and configured for connection to one or more separate fuel tanks in a plug and play configuration. A plurality of filling connections may be accessible on the housing for filling the fuel tank(s). A low pressure fuel output connection may be positioned on the back panel of the housing to provide fuel output from the high pressure connections to the engine.

Abstract: A tractor includes an engine that is mounted on a vehicle body frame, a hood that houses the engine and is configured to pivot about a front pivot in a top-bottom direction between a closed position at which the hood covers the engine, and an open position at which the hood exposes the engine, a mounting rubber that is provided between the engine and the vehicle body frame to support the engine in an anti-vibration manner, and a hood stay that supports the hood such that the hood is pivotable up/down about the front pivot. The hood stay includes an abutting-target portion against which the engine can abut from a rear side, to prevent the engine from swinging forward in a front-rear direction of the vehicle body.

Abstract: A railway vehicle includes two adjacent carriages (6), each including a carriage body (8), each carriage (6) including a lower floor (54) and an upper floor (56), positioned above each other so as to define a lower level (58) and an upper level (60), the bodies (8) being supported by a common bogie (1) and being articulated with each other through an articulation device (2). The carriages (6) are connected to each other through an interconnection passage (62), the passage (62) extending substantially at right angles to the articulation device (2) and including a lower floor connecting the lower floors (54) of both carriages (6) and an upper floor connecting the upper floors (56) of both carriages.

Abstract: A bogie includes a chassis, including two beams, two crosspieces, two axle structures, each including two journal boxes, and a transverse axle shaft, extending in the transverse direction between two ends each supporting a respective wheel, the wheels defining an inner space between them, defined in the transverse direction between the wheels of a same axle shaft, and defined in the longitudinal direction between the two axle shafts, at least one motor supported by one of the crosspieces of the chassis, arranged in the inner space defined by the wheels, and including a coupling shaft, and at least one reducer. The bogie includes a primary suspension, including flexible mountings arranged between the crosspieces and the beams of the chassis, the reducer is arranged outside the inner space, the coupling shaft of the motor extending from the motor beyond one of the corresponding beams to the reducer.

Abstract: Systems, methods, and apparatuses for storing energy in a mining machine. One embodiment provides a haulage vehicle including a bi-directional electrical bus, a power source coupled to the bi-directional electrical bus, a motor coupled to the bi-directional electrical bus and operating a drive mechanism included in the haulage vehicle, a kinetic energy storage system coupled to the bi-directional electrical bus, and a controller configured to communicate with the kinetic energy storage system and the power source. The kinetic energy storage system includes a flywheel and a switched reluctance motor. The controller is configured to operate the kinetic energy storage system as a primary power source for the bi-directional electrical bus and to operate the power source as a secondary power source for the bi-directional electrical bus when the kinetic energy storage system cannot satisfy an energy demand on the bi-directional electrical bus.

Abstract: End members (202, 204) dimensioned for securement to an associated flexible wall (206) of a rail spring assembly (200) can include an end member body formed from a polymeric material and can have a longitudinal axis (AX). The end member body can include an end wall (232) that extends transverse to the longitudinal axis. An outer side wall (234) can extend longitudinally from along the end wall. An outer peripheral wall (264) can extend from along the outer side wall and can be dimensioned to abuttingly engage the associated flexible wall. A plurality of support walls (272) can extend between and operatively interconnect the outer side wall and the outer peripheral wall and thereby buttress at least the outer peripheral wall against loads applied by the associated flexible wall. Gas spring assemblies including one or more of such end members and suspension systems for rail vehicles including one or more of such gas spring assemblies are also included.

Abstract: A powered bogie for a railway vehicle, including one or more motors mounted on the bogie chassis, the front and rear reducing gears being arranged between, on the one hand, a longitudinal plane midway between the two front wheels and midway between the two rear wheels and, on the other hand, a longitudinal plane passing through the front wheel and the rear wheel situated on the same, first transverse side of the bogie is provided.

Abstract: A running gear for a rail vehicle, including a wheel unit, a motor unit and a running gear frame unit being supported on the wheel unit. The motor unit is connected to the wheel unit to drive the wheel unit. Further more, the motor unit is suspended to the running gear frame unit via a connecting device. The connecting device is transversally elastic to allow a relative transverse motion between the motor unit and the running gear frame unit. The connecting device has a transverse rigidity being sufficiently low such that a contribution of the motor unit to an inertial moment of the running gear frame unit about the height direction is reduced by at least 50%.

Abstract: A drive unit for rail vehicles has a shaft including a hearing pin on each end for carrying a drive wheel, a supporting tube enclosing the shaft and journaled thereon, an engine mounted on a supporting tube, wherein the engine rests on a single bracket, the single bracket fastened to the supporting tube, a transmission including a spur wheel and a drive pinion, a housing enclosing a spur gear and the drive pinion, the housing including a single main part, a lid, and an engine bell, the engine bell forming a fixed connection between an engine housing and the main part of the housing, where the supporting tube is molded to the single main part of the housing to form a rigid unit and an engine rotor journaled on a single bearing, wherein the engine rotor is supported at a transmission side on a membrane coupling, the membrane coupling carried by a fully journaled drive pinion.

Abstract: A system and method for hybrid personal transit and a hybrid personal transit vehicle. The vehicle can include an enclosure and a suspension system including a plurality of wheels, the suspension system adapted to control a positioning of the wheels over a range from substantially vertical to substantially horizontal, wherein the positioning of the wheels is substantially vertical for engaging a road surface, and wherein the positioning of the wheels is substantially horizontal for engaging a rail.

Abstract: A motorization kit for a storage system with mobile cabinets comprises a box-like body for fixing the motorization kit to a mobile cabinet, which houses: an electric motor, a driven pinion designed to be keyed to the drive shank of the mobile cabinet, mechanical drive for kinematically rotatably connecting the shaft of the electric motor and the driven pinion, electronic adjustment and control for managing the operation of the motor, an actuation mechanism for providing an enable signal to the electronic adjustment and control, for rotary actuation of the motor and a safety mechanism for stopping the motor in response to a signal emitted as an obstacle is found along the path of the mobile cabinet.

Abstract: A railway truck is disclosed for use with a locomotive. The railway truck may include a first axle, a second axle, a plurality of wheels connected to each of the first and second axles, a frame connecting the first and second axles, and a bolster assembly pivotally connected to the frame. The railway truck may also include a traction motor configured to drive the first axle. The railway truck may further include a torque reaction link connected between an end of the bolster assembly and a side of the traction motor.

Abstract: A torque support for the articulated mutual support of two elements is provided, for example, a frame or a bogie on the one hand and a housing such as a final drive housing of a rail vehicle on the other hand. The torque support includes a rod, at the two ends of which one respective receiver head is arranged. The receiver head includes a bearing for accommodating a bolt which is used for support on the respective element. The rod is arranged as a sleeve at least in the region of its two ends and the bearing includes a socket which is arranged in the radial direction of the bolt between the bolt and the receiver head and is supported on the receiver head via at least one further bearing element. The socket includes a bulbous section in the manner of a universal ball joint on its outer circumference.

Abstract: A bogie (1) for a railway vehicle includes a motor (4) having a casing (6) fastened to two beams (2) of the bogie, the motor shaft (12) being arranged parallel to these beams (2), secondary suspensions (14) and a weight-bearing crosspiece (16) resting on the secondary suspensions (14). The bogie (1) includes a set of end supports (24) and stops (26) arranged on the casing (6) of the motor (4) and on the weight-bearing crosspiece (16).

Abstract: According to one embodiment, a vehicle drive apparatus configured to drive a vehicle includes a motor arranged on a bogie to drive a wheel, a cooling fan arranged to be rotatable integrally with a rotational shaft of the motor to cool the motor, a control device arranged under a floor of the body to face the bogie and configured to supply an electric power to the motor and control the motor, and a ventilation duct arranged between the motor and the control device and configured to guide a cooling wind blown by the cooling fan into the control device.

Abstract: A suspension apparatus that includes a suspension linkage connected between a traction motor and a rail vehicle truck frame at least at first and second locations. The suspension linkage including at the first location a first pin pivotally connecting the traction motor with a cross member of the truck frame, and, at the second location, at least one elastomeric element deformable to fully suspend the traction motor from the truck frame.

Abstract: A railway vehicle including a plurality of bogies is provided. Each bogie includes a chassis, two front wheels and two rear wheels. For each front wheel and each rear wheel, a guidance device is provided for guiding the wheel in rotation and a primary suspension device of the chassis is provided on the guidance device. At least the primary suspension devices associated with the front and rear wheels are arranged on the same first lateral side of the bogie. The primary suspension devices each include two longitudinal connecting rods, each connected by a first connection point to the chassis and by a second connection point to the corresponding guidance device and at least one resilient component inserted between the two connecting rods to define at least the vertical stiffness of the primary suspension device, the two connecting rods being offset longitudinally relative to one another. Each of the bogies also includes a pivot connection device for connecting the bogie to the railway vehicle.

Abstract: A suspension apparatus that includes a suspension linkage connected between a traction motor and a rail vehicle truck frame at least at first and second locations. The suspension linkage including at the first location a first pin pivotally connecting the traction motor with a cross member of the truck frame, and, at the second location, at least one elastomeric element deformable to fully suspend the traction motor from the truck frame.

Abstract: A running gear for a rail vehicle, including a wheel unit, a motor unit and a running gear frame unit being supported on the wheel unit. The motor unit is connected to the wheel unit to drive the wheel unit. Further more, the motor unit is suspended to the running gear frame unit via a connecting device. The connecting device is transversally elastic to allow a relative transverse motion between the motor unit and the running gear frame unit. The connecting device has a transverse rigidity being sufficiently low such that a contribution of the motor unit to an inertial moment of the running gear frame unit about the height direction is reduced by at least 50%.

Abstract: An undercarriage (1) for a rail vehicle has an undercarriage frame (2) comprising two longitudinal supports (3) and at least one transverse support (4) connected thereto. The undercarriage has at least two wheelsets (7) supported in wheelset bearings (6), each wheelset having a wheelset shaft (8) and two wheels (5). The wheelset bearings (6) are connected to the undercarriage frame (2). The undercarriage (1) has at least one drive (9) accommodated in the undercarriage frame (2) for driving one wheelset shaft (8) each. The at least one drive (9) is suspended in a movable fashion on the at least one transverse support (4). According to the invention, the at least one transverse support (4) can be connected in an articulated fashion to a locomotive or railcar body (16) via at least one tension/pressure element (41, 42) disposed in an articulated fashion on a top side (OS) and a bottom side (US) of the transverse support (4).

Abstract: A bogie includes two pairs of wheels (2), the wheels (2) of one pair being connected to one another by a shaft to form an axle (4), the axles (4) being connected to one another by two half-chasses (8) each having two side members (10) connected to one another by a cross-member (12). The side members (10) rest on one of said axles (4), the cross-members (10) of the half-chassis (8) being articulated by an articulation device (18) so as to permit rotation of one half-chassis (8) relative to the other about a substantially longitudinal axis (A). Each side member (10) of a half-chassis (8) is connected to a side member (10) of the other half-chassis (8) by a connector (20) mounted in an articulated manner about substantially transverse axes on the side members (10), the connector (20) extending at least partially in a horizontal plane offset in terms of height relative to the horizontal plane passing through the articulation device (18).

Abstract: A bogie includes two pairs of wheels (2), the wheels (2) of one pair being connected to one another by a shaft to form an axle (4), the axles (4) being connected to one another by two half-chasses (8) each having two side members (10) connected to one another by a cross-member (12). The side members (10) rest on one of said axles (4), the cross-members (10) of the half-chassis (8) being articulated by an articulation device (18) so as to permit rotation of one half-chassis (8) relative to the other about a substantially longitudinal axis (A). Each side member (10) of a half-chassis (8) is connected to a side member (10) of the other half-chassis (8) by a connector (20) mounted in an articulated manner about substantially transverse axes on the side members (10), the connector (20) extending at least partially in a horizontal plane offset in terms of height relative to the horizontal plane passing through the articulation device (18).

Abstract: A railway vehicle including a plurality of bogies is provided. Each bogie includes a chassis, two front wheels and two rear wheels. For each front wheel and each rear wheel, a guidance device is provided for guiding the wheel in rotation and a primary suspension device of the chassis is provided on the guidance device. At least the primary suspension devices associated with the front and rear wheels are arranged on the same first lateral side of the bogie. The primary suspension devices each include two longitudinal connecting rods, each connected by a first connection point to the chassis and by a second connection point to the corresponding guidance device and at least one resilient component inserted between the two connecting rods to define at least the vertical stiffness of the primary suspension device, the two connecting rods being offset longitudinally relative to one another. Each of the bogies also includes a pivot connection device for connecting the bogie to the railway vehicle.

Abstract: A powered bogie for a railway vehicle, including one or more motors mounted on the bogie chassis, the front and rear reducing gears being arranged between, on the one hand, a longitudinal plane midway between the two front wheels and midway between the two rear wheels and, on the other hand, a longitudinal plane passing through the front wheel and the rear wheel situated on the same, first transverse side of the bogie is provided.

Abstract: Disclosed herein is a propulsion skid module useful for refurbishing locomotives. In one embodiment, the propulsion skid module includes a skid base serving as a support for an engine; said skid base comprising at least two support members and extending substantially the length of the module and at least one panel spanning said two support members; with the module further comprising an engine; a blower for delivery of air under pressure, a control device compartment, an auxiliary cab comprising power connectors, and an air compressor secured onto said skid base; and an air plenum defined in said base. Also disclosed herein are methods for refurbishing a locomotive.

Abstract: Angular and axial offsets between the motor vehicle rotor (3) and transmission pinion (6) are intended to be compensated by a coupling which can be mounted in an easy manner. According to the invention, a curved teeth coupling (9) is mounted between the motor shaft (4) and the pinion shaft (6) and includes a first coupling section (10) with internal tooth system and a second coupling section (11) with external tooth system, whereby the first coupling section (10) is securely connected to the pinion shaft (6) and the second coupling section (11) is securely connected to the motor shaft (4). The coupling sections (10, 11) can easily be pushed into each other, when the motor (2) is mounted onto the transmission (1).

Abstract: An electric motor is placed around the axle of a vehicle but includes a rotor that does not contact the axle. A drive element is fastened to the axle and extends radially from the axle. The drive element for driving the axle is coaxially fastened to the axle but located laterally with respect to the electric motor. The rotor includes a disk that directly engages elements in a peripheral region of a drive element disk, the engagement occurring at a point remote from the axis of the axle.

Abstract: A mobile carriage system includes a pair of spaced, parallel end rails fixed to a support surface, often with one or more intermediate rails fixed to the support surface and located parallel to and between the pair of end rails. At least one carriage is supported for movement on the end and intermediate rails. The carriage includes an elongated frame that spans all of the rails. At least two drive units, each including a pair of wheels and supporting the carriage on a different one of the rails are provided. The drive units are operatively connected to a drive shaft which extends across a plurality of the rails. The drive shaft and each of the drive units are coupled by a drive gear on the shaft which has a first effective diameter and a driven gear on the drive unit, which has a second effective diameter substantially greater than the first effective diameter. Thus, the drive units minimize torsion twisting of the drive shaft during use.

Abstract: A motor bogie for a rail vehicle having an integral low-slung floor, the motor bogie having a frame resting on four wheels via a primary suspension, the frame supporting at least one motor disposed on one side of the frame and connected to at least one wheel via transmission, wherein each wheel has an individual wheel shaft supported by an axle box, and wherein the transmission comprise a gear unit coupled directly to the shaft of the wheel and a telescopic transmission of the type having a double universal joint and disposed between the gear unit and the motor, the gear unit being placed outside the wheel, and having a casing incorporating the axle box of the shaft of the wheel, the casing of the gear unit serving as a support element for supporting a primary suspension member on which the frame bears.

Abstract: Disseminated traction arrangement applied to single-axle train wheel sets provided with independent wheels, comprising, for each wheel (7), a traction motor (8), an extensible shaft (9) which, at one of its ends, is connected to the axle of the traction motor (8) and, at its other end, ends in a pinion (5), and a crown wheel (6) connected to the axle (15) of the wheel (7) and which engages, with the pinion (5) mounted on the shaft (9), so that by means of the pinion-crown group (5, 6) thus formed, the traction power generated by the motor (8) is transmitted to the wheel (7). The invention is applicable to wheel sets incorporated in the connection area between two adjacent train waggons.

Abstract: A mobile carriage system includes a pair of spaced, parallel end rails fixed to a support surface, often with one or more intermediate rails fixed to the support surface and located parallel to and between the pair of end rails. At least one carriage is supported for movement on the end and intermediate rails. The carriage includes an elongated frame that spans all of the rails. At least two drive units, each including a pair of wheels and supporting the carriage on a different one of the rails are provided. The drive units are operatively connected to a drive shaft which extends across a plurality of the rails. The drive shaft and each of the drive units are coupled by a drive gear on the shaft which has a first effective diameter and a driven gear on the drive unit, which has a second effective diameter substantially greater than the first effective diameter. Thus, the drive units minimize torsion twisting of the drive shaft during use.

Abstract: The invention is based on a bogie (1) for rail vehicles on which two interconnected wheel bearing housings, in which wheel axles (5) for rail wheels (2) are mounted, are articulated via an oscillating link (10). The rail wheels (2) are driven by means of laterally situated gears (11) which are accommodated in gear housings. In order to simplify the articulation of the rail wheels (2) on the bogie (1) and to reduce the multiplicity of parts, it is proposed that the gear housings (4) form one unit with their associated wheel bearing housings (4) for the wheel axles and the oscillating link (10).

Abstract: Prior battery-powered electric locomotives have used multiple diesel engines to charge the batteries and have not been commercially accepted. The present invention provides a yard switcher which combines battery storage with a gas microturbine generator to provide an effective fuel-efficient and environmentally friendly locomotive. locomotive.

Abstract: A conveyor belt structure (10) has a pair of longitudinally extending tracks or stringers (11) upon which trolleys can ride. A power pack trolley (12) also rides stringers (11). The trolley (12) has stringer-engaging wheels (14) and a power pack supported upon a frame. The power pack might be a rechargeable battery or a generator for example. The power pack trolley (12) also includes a motor or motors to drive its wheels (14). A captivation (30) is affixed to a bogie arm (31). Attached to the lower edge of the mounting plate (32) is a horizontal plate (34). A flange (36) is angularly offset with respect to the plane of the plate (35). Should one of the wheels (17) of the trolley (16) become derailed from stringer (11), one or both of plates (34 and 35) of the captivation bracket (30) will strike the stringer (11).

Abstract: The invention concerns a power puller motor bogie comprising at least a gear motor (6, 10) arranged inside the bogie chassis (4), said gear motor (6, 10) being suspended in said bogie chassis (4) by means of at least two elastic connecting rods (7, 8, 9). Said elastic connecting rods (7, 8, 9) are all supported by said bogie chassis (4). Said elastic connecting rods (7, 8, 9) are such that said suspended gear motor (6, 10) is transversely mobile relative to said vehicle longitudinal direction of movement acts as inertia damper. A shock absorber (12) is fixed between said bogie chassis (4) and said gear motor (6, 10).

Abstract: A mobile carriage system includes a pair of end rails (12a, 12c) fixed to a support surface and one or more intermediate rails (12b) located parallel to and between the pair of end rails (12a, 12c). At least one carriage (10) is supported for movement on the end and intermediate rails (12a-c). The carriage (10) includes an elongated frame (17) that spans all of the rails. At least two drive units, each including a pair of wheels (23) and supporting the carriage on a different one of the rails are provided. The drive units are operatively connected to a drive shaft (35) which extends across a plurality of the rails. The drive shaft (35) and each of the drive units are coupled by a drive gear (33) on the shaft which has a substantially smaller diameter than the diameter of driven gears (29) on the units. An electric motor (41) is operatively connected to the drive shaft (35).

Abstract: An improved intermodal transport system combining trucking and railway technology for the transport of passengers and freight. The present system includes a so-called Super Rail Train which incorporates an automotive truck drive system and components in a fuel efficient power vehicle which replaces the conventional locomotive. The present system also includes a plurality of secondary power units having an automotive truck drive system which are operated only during peak load conditions. The present system features a self-powered tandem device which replaces the conventional railroad dolly or bogie used in the transport of highway semi-trailer containers by rail and permits movement of a partially assembled train without a switching engine. A further feature of the present invention provides a switching ramp which is installed at truck/train terminals to facilitate the efficient assembly and breakdown of the train upon arrival at a destination for rerouting semi-trailer containers to highway use.

Abstract: A bi-directional operating automated guided transit system such as a people mover including a vehicle having at least one pair of opposing axles, each axle having a wheel with its own drive system. The vehicle is capable of providing torque controlled steering to the vehicle. Sensors mounted on the vehicle detect the path of a guide track and, through a controlling system, direct the motors to provide a constant torque to both wheels, thereby directing the vehicle along a straight path or, in the alternative, direct the motors associated with each wheel to provide differing torques, thereby causing the vehicle to turn. The system also permits a vehicle operator to bypass the sensor signal and to manually steer the vehicle.

Abstract: A partially spring-loaded drive, particularly for electrically-powered rail vehicles, having a gear which, including an encapsulating gear housing, is seated on the wheel axle, and a pinion that is seated in the gear housing. The coupled motor is fixedly secured to the truck, and the resilient, elastic fastening of the gear housing to the truck is effected by way of at least two elastic spring elements that are mounted nearly vertically and diametrically opposite the pinion shaft, and whose lines of influence extend through the center of the pinion shaft.

Abstract: The present invention relates to an axle, or a pair of axles forming a bogie, motorized and having wheels that rotate independently, which axle is connected to a body or a corridor connection of a vehicle either via a load-bearing cross-member, or directly via the suspension systems, the wheels of the axle being mounted to rotate independently, wherein the entire set of members that transmit motion between the motor(s) and the wheels is disposed in a load-bearing axle assembly referred to as a "stepdown gear assembly" which simultaneously performs the functions of bearing the load, of driving the axle, and of transmitting the motor torque, wherein the motor or each of the motors has its axis parallel to the axis of the axle, and wherein a large amount of modularity exists between the single-motor version and the one-motor-per-wheel version.

Abstract: A system for moving a work element along a work surface for performing work thereon includes an elongated track of flexible plastic material formed with gear teeth along one edge thereof. A carriage having a drive motor and a drive wheel driven thereby, is moved along the track by the drive wheel engaging the gear teeth. The drive wheel is connected to the drive motor by an eccentric cam mechanism. The work element is carried by the carriage and preferably is a high-pressure fluid cutting device. The track is formed of a flexible plastic material such as a linear high density polyethylene, enabling it to bend and conform to the work surface, and has a second elongated strip of plastic material movably secured to the track and extending longitudinally therealong. A series of magnets are mounted on the track for adhering the track to the work surface. The magnets are attached to the track by fasteners extending through slotted openings in the second strip of the track when conforming to the work surface.

Abstract: A traction vehicle, in particular railway traction vehicle, comprising a bogey chassis mounted on wheel axles, a vehicle chassis spring-mounted on the bogey chassis and at least one motor-transmission unit mounted underneath the vehicle chassis and within the bogey chassis close to the wheel axle driven by the motor-transmission unit. The motor-transmission unit is suspended from the bogey chassis by a pendulum suspension close to the set of wheels in the bogey chassis. The motor-transmission unit is also suspended in the vehicle by a pendulum suspension. The motor transmission unit is provided with a pair of connecting rods in which either or both are connected to the bogey chassis or the vehicle chassis. The connecting rods are arranged with one rod parallel to the longitudinal axis of the vehicle and the other rod being either parallel to or angularly related to the longitudinal axis of the vehicle.

Abstract: A driving mechanism is disposed in the bottom of a door for driving the door and includes a reduction gearing and a motor fixed to the door, and a gear coupled to the reduction gearing and engaged with two shafts for rotatably supporting the wheels of the door so as to apply a downward force to the pinions in order to prevent the wheels moving upward away from the tracks. A retaining device is fixed to one of the tracks or fixed to the ground and has an opening for engaging with one of the pinions so as to maintain the door in place.

Abstract: A rail truck for use in an elevated closed beam having a slot in the bottom surface for clearance of a car body support member. The passenger car body is hung beneath the beam and elevated above the ground with the trucks running inside the beam. The flanged wheels run on a pair of parallel rails with an electric power rail located above the center of the two running rails. The suspension permits restrained swinging of the passenger car in the lateral and longitudinal directions. A safety wheel is mounted to the frame to prevent upward movement of the frame to the extent that the wheel flanges on the running rails could climb over the top of the running rails. A pair of auxiliary climbing rails are mounted parallel to the power rail and above the running rails. Auxiliary climbing wheels on the truck are mounted on actuators which permit a controlled elevation of the auxiliary climbing wheels.

Abstract: In the truck (1) the static and dynamic forces are absorbed by the frame (5). In designing the body unit fitted on the frame (5), therefore, only the unit's own weight and the passenger load are significant, thus facilitating the use of extremely lightly-built vehicle bodies. The truck (1) has single-wheel drive units (2), a longitudinal driver (3) interconnecting them, on each long side of a drive (4), the frames (5) bearing the end unit (9) and a drive control (6) for turning the single-wheel drive units (2) horizontally in response to curves. A wheelless central unit (10) is supported on each short side of the truck (1) via a link (8). A push-pull device (7) engages with the short side opposite the link (8). There are no steps, pedestals or shoulders inside the vehicle which is thus freely accessible. In the region of the truck there are recesses in the form of wheel-boxes (9.1) in which certain parts of the truck (1 ) are arranged.

Abstract: The driven running gear is intended for low-platform rail vehicles with at least two body parts which are articulated to each other. It is provided with two individual running gears (2, 2') fitted with steering means (15, 15', 16). The running gears are interconnected to pivot about their horizontal axis beneath the axial center of the wheels (8, 8') by a connecting member (3). The connecting member has at its ends transversely directed support arms (4, 4') for the support of a body part. On the latter there are fastened at least one motor (21, 21') and a brake (23, 23', 24, 24') which drive and brake the running gear (1) via telescopic universal shafts (25, 25') and bevel gearings (26, 26') arranged on the outside of the wheels on both individual running gears (2, 2').

Abstract: A vehicle driven on rails includes a vehicle frame, a wheel set, a pivotable truck and at least one drive unit being disposed in the pivotable truck for acting upon the wheel set. An intermediate support is connected to the pivotable truck and to the drive unit. The intermediate support is also connected to the vehicle frame, such as by a threaded spindle connecting the vehicle frame to the intermediate support during assembly.

Abstract: An improvement in railway trucks having a flexible frame and independent drive mechanism particularly adapted to accommodate the flexing frame. The frame includes parallel first and second frame members, a first cross-member rigidly attached to the first frame member and loosely attached to the second frame member. A second cross-member is rigidly connected to the second frame member and loosely engaged by the first frame member. Hydraulic motors are pivotally connected to the second cross-member by pivotal arms and pivotally secured to a pair of rail way truck axles supporting the frame members such that flexion of the frames and cross-members will not affect the distance between the motor and the axles. Chain and sprocket assemblies are provided to operatively connect the motors and the axles. An engine and hydraulic pumps are connected to the first cross-member to drive the motors. The pumps are operatively connected to the motors with flexible conduit.