Patents Assigned to Magyar Vagon- es Gepgyar
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Patent number: 6077183Abstract: A differential lock-up assembly for vehicles with a differential gear set has a main drive housing,a driving pinion gear being rotatable in the main drive housing,a ring gear engaging the pinion gear, a planet carrier secured to the ring gear and rotatably supported in the main drive housing,a set of pinion gears journalled in the planet carrier and a set of bevel gears engaging the pinion gears and journalled in the planet carrier and engaged to output shafts of the differential gear set,and a lockout clutch assembly with a pack of interleaved discs locking the planet carrier to one of the output shafts on the impact of pressurized fluid with the intermediation of a piston and cylinder assembly.Type: GrantFiled: July 15, 1999Date of Patent: June 20, 2000Assignee: Raba Magyar Vagon- es Gepgyar Rt.Inventors: Lorant Tar, Andor Opitz
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Patent number: 5871413Abstract: A driven axle assembly for vehicles has an axle housing with a main drive, wheel hub units fixed to both sides of the axle housing and being driven by a drive shaft with different rotational movements on both sides of the main drive, within each wheel hub unit, a planetary gearing and a multi-plate friction type wet brake both being coupled to the drive shaft as well as to a drive unit of the vehicle, wherein the multi-plate friction type wet brake is arranged within a ring gear support member, and around planetary gears of the planetary gearing a ring gear is connected to them.The improvement achieved by this invention is that a driving assembly is coupled to the ring gear of the planetary gearing of each and every wheel hub unit arranged on the driven axle whereas a difference between the rotational speeds of the ring gear within the wheel hub units, respectively, are proportional to a difference between the rotational speeds of the wheel hub units arranged on the driven axle of the vehicle.Type: GrantFiled: April 22, 1997Date of Patent: February 16, 1999Assignee: Raba Magyar Vagon- Es Gepgyar RTInventors: Lorant Tar, Andor Opitz, Tibor Vegh
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Patent number: 5573388Abstract: An eccentric pump with lock valve and with bidirectional rotational operation, mainly for lubricant circulation of drives comprises a stationary outer casing having two parallel side walls and a cylindrical inner surface between the side walls, and further having inlet and outlet openings being sealingly separated and terminating in the cylindrical inner surface, a middle shaft arranged within the casing concentrically to the cylindrical inner surface and having a cylindrical surface being eccentric to the middle shaft as well as to the cylindrical inner surface of the casing, a circular sealing ring being sealingly displaceable in respect of the eccentric surface of the shaft as well as to inner wall portions of the casing, and further having a radial slot sealingly engaging a stationary pin with its both limiting surfaces.Type: GrantFiled: February 23, 1995Date of Patent: November 12, 1996Assignee: Raba Magyar Vagon-es Gepgyar Rt.Inventors: Lorant Tar, Laszlo Legman, Iibor Vegh
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Patent number: 5535850Abstract: A driven axle assembly for vehicles has a lubricant circulation system, and the axle assembly comprises an axle housing with a main drive and a lubricant liquid in its inside, hollow axle casings fixed to both sides of the axle housing, a hollow wheel hub rotatably connected to each axle housing, the wheel hub having a flange for carrying a vehicle wheel rim as well as, in its inside, a planetary gearing and a multi-plate friction type wet brake, the main drive and the planetary gearing as well as the multi-plate wet brake being interconnected with a drive shaft on both sides of the main drive, respectively, and mechanism for making a lubricant flow within the axle assembly.Type: GrantFiled: February 23, 1995Date of Patent: July 16, 1996Assignee: Raba Magyar Vagon-es Gepgyar Rt.Inventors: Lorant Tar, Laszlo Legman, Iibor Vegh
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Patent number: 5088967Abstract: The planetary assembly with wet disk brake of the invention comprises a hollow spindle (3) rigidly fixed to an axle house (1) of a running gear of a vehicle, a hollow wheel hub (5) carrying a wheel (7), the wheel hub (5) being rotatably supported in a roller bearing (8, 9) mounted to the spindle (3), an input axle-shaft (4) passing through a bore made in the spindle (3), a hollow ring gear support member (11) arranged on the periphery of the spindle (3) secured against angular displacement and prepared with splines (3) arranged on its internal side, a planetary mechanism linked up with the input axle-shaft (4) on its input side and with the wheel hub (5) on its output side, and being fitted with a ring gear (32) coupled in torque transmitting way to the splines (13) of the ring gear support member (11), wet disk brake assembly (16) fully accommodated in the ring gear support member (11i) as a self-contained unit, where the wet disk brake assembly (16) is arranged so that the external splined disks (26) and thType: GrantFiled: January 3, 1991Date of Patent: February 18, 1992Assignee: Magyar Vagon- es GepgyarInventors: Andor Opitz, Lorant Tar
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Patent number: 4893525Abstract: A differential mechanism for heavy-duty power machines with adjustable wheel tracks, such as farm machinery. The mechanism is provided with a specially constructed differential gear arrangement, including first and second differential gear housing parts. The first part supports an annular crown gear. The second part defines an open ended chamber. The housing is supported at each end in roller bearings. A centralized disc brake may be mounted externally on the second housing part. An anti-slip mechanism may be mounted on the inside of the second housing part. The anti-slip mechanism is controllably engagable.Type: GrantFiled: March 11, 1988Date of Patent: January 16, 1990Assignee: Magyar Vagon es GepgyarInventor: Szalai Gabor
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Patent number: 4737089Abstract: Subject of the invention is an eccentric pump with lock valve, mainly for the lubricant circulation of drives, provided with case of inner cylindrical surface fixed with tangential support and having pressure and suction connections, furthermore with shaft sealed and voncentrically embedded leading through the case, liquid chamber closed between the case and the shaft, confined by parallel planes on the side, round eccentric part arranged on the shaft, rectangular sectional ring pressed to the cylindrical inner wall of the case by the eccentric part in a point of contact moving from the pressure connection to the suction connection, as well as a lock valve separating the suction and pressure connections from each other by way of sealing.Type: GrantFiled: July 22, 1986Date of Patent: April 12, 1988Assignee: Magyar Vagon - Es GepgyarInventors: Lorant Tar, Andras Tassy
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Patent number: 4594913Abstract: A double-acting differential having a differential case held together by coupling elements, a drive gear fixed to the case and within the case, output shafts, side gears, differential pinions, and a spider. It also has internally splined disks connected to the side gear, and externally splined disks connected to the case, and pressure springs arranged between the differential case and one of the side gears. A thrust plate is movable in axial direction and receives from one direction the axial force from the side gear and from the other side, through the splined disks, the reaction forces of the pressure springs. A lock ring limits axial movement of the thrust plate in case of a small torque, and a flange in the wall of the differential case supporting the splined disks, in case of a large torque.Type: GrantFiled: February 17, 1984Date of Patent: June 17, 1986Assignee: Magyar Vagon- es GepgyarInventor: Andor Opitz
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Patent number: 4553885Abstract: An apparatus for original and improvement machining of the active surfaces of steer cams, mainly of brake spanners, in which the kinematic chain connecting together a work piece being rotation-safely clamped and a basic slide comprises a non-reversing free wheel, the external side of which being secured to the milling headstock. A unilateral claw clutch is coupled with the non-fixed inner part of the free wheel, the claw clutch being reversely operated with the non-reversing free wheel. A gear connectd to an intermediate shaft is in connection with one side of the unilateral claw clutch and elements are coupled with the gear, the elements transforming angular displacement to rectilinear displacement.Type: GrantFiled: May 20, 1982Date of Patent: November 19, 1985Assignee: Magyar Vagon-es GepgyarInventors: Pal Kovari, Tibor Galambos, Ferenc Bogisich, Imre Teringer
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Patent number: 4464953Abstract: There is disclosed in a differential locking device with three-point support for a carriage of a vehicle having a bridge housing, a fork-shaped clutch lever therein symmetrical about a line therealong with a fork-shaped end and a shank and connected to a clutch hub by a sliding-ring, the device including a pushrod connected to a clutch lever and actuated by an air chamber, wherein self adjusting means are provided which connect one end of the clutch lever shank to the bridge housing and connecting the fork-shaped end to the clutch hub and means mounting the pushrod on the bridge housing between the connections to the fork-shaped end and the shank of the clutch lever at the line of symmetry of the clutch lever, which is a grooved bush mounted in the clutch lever and receptive of the pushrod and a catch spring for fixing the grooved bush into the clutch lever and the pushrod into the grooved bush.Type: GrantFiled: October 15, 1981Date of Patent: August 14, 1984Assignee: Magyar Vagon es GepgyarInventor: Lorant Tar
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Patent number: 4290622Abstract: In a hinge unit which connects the members of articulated power vehicles such as tractors and which permits mutual pivotal movements of such members about a vertical and a horizontal axis, a front member is attached to a forward portion of the vehicle and a rear member is attached to a trailing portion of the vehicle while the front member and the rear member are interconnected by an intermediate member which is supported by a pair of bearings defining a vertical axis on the front member and by another pair of bearings defining a horizontal axis on the rear member, all three members forming together a universal or cardan joint.Type: GrantFiled: July 25, 1978Date of Patent: September 22, 1981Assignee: Magyar Vagon- es GepgyarInventor: Tibor Horvath
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Patent number: 4260042Abstract: An expander for internal shoe drum brakes comprises involute working surfaces which are derived from mutually eccentric base circles of equal diameters. The base circles are symmetrically arranged with respect to the axis of rotation of the expander. Upon rotation of the expander the arms of the braking forces initially increase and then decrease whereby a constant relation between angular expander displacements and retarding torques can be obtained.Type: GrantFiled: January 21, 1980Date of Patent: April 7, 1981Assignee: Magyar Vagon- Es GepgyarInventors: Gabor Szalai, Laszlo Albrecht, Peter Szij
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Patent number: 4226139Abstract: In a viscous shear damper the seismic mass is chamfered at all its corners. Thus, the clearances between the seismic mass and its casing are gaps with oppositely widening out sections separated by middle sections of smallest widths.Type: GrantFiled: December 13, 1977Date of Patent: October 7, 1980Assignee: Magyar Vagon- es GepgyarInventor: Imre Zilahi-Szabo
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Patent number: 4211105Abstract: Measuring method for quickly checking the damping coefficient of torsion-vibration dampers filled with a viscous liquid and being provided with a swing ring. The basic principle relates to the recognition that there is a well measurable, numerically characterizable relation between the damping coefficient of a damper of a given nominal geometry and the number of vibrations of the freely oscillating system into which the damper being tested is fitted. An exemplary, preferred apparatus is described for carrying out the method.Type: GrantFiled: November 17, 1978Date of Patent: July 8, 1980Assignee: Magyar Vagon-es GepgyarInventors: Imre Z. Szabo, Kornel Nagy, Csaba Finta
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Patent number: 4166377Abstract: Measuring apparatus for quickly checking the damping coefficient of torsion-vibration dampers filled with a viscous liquid and being provided with a swing ring. The basic principle relates to the recognition that there is a well measurable, numerically characterizable relation between the damping coefficient of a damper of a given nominal geometry and the number of vibrations of the freely oscillating system. The apparatus comprises three main units, such as at least one torsional-vibrating system, at least one mechanism producing the free oscillation, and an electronic unit. Each unit is disclosed including optional as well as alternative detail solutions thereof.Type: GrantFiled: April 20, 1977Date of Patent: September 4, 1979Assignee: Magyar Vagon- es GepgyarInventors: Imre Z. Szabo, Kornel Nagy, Csaba Finta
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Patent number: 4158971Abstract: Two-stage power branching planetary transmission wheel drive having an inner planetary gear set and an outer planetary gear set. The inner planetary gear set has its planetary carrier loosely splined to a fixed support or hollow spindle of the wheel drive while its gear ring is splined to the gear ring of the outer planetary gear set the planetary carrier of which is, in turn, splined to the sun gear of the inner planetary gear set, roller type antifriction wheel bearings which journal the wheel hub of the assembly being both supported by the torque support or reaction element of the drive.Type: GrantFiled: October 20, 1977Date of Patent: June 26, 1979Assignee: Magyar Vagon- es GepgyarInventors: Gabor Szalai, Andor Opitz, Janos Palinkas
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Patent number: 4073358Abstract: A driving gear system, suitable for use in connection with a vehicle having a three speed transmission, and for use in connection with a high-power vehicle having an adjustable track width, the vehicle including a differential gear system having first bearing means, features a bridge housing mounted on said vehicle, a first planetary gear system disposed in the bridge housing and including a first sun wheel, a plurality of first planet wheels, each having a first radius, and first supporting means operable for supporting the first planet wheels, a second planetary gear system disposed in the bridge housing and including a second sun wheel, a plurality of second planet wheels, each having a second radius, and second supporting means operable for supporting the second planet wheels and mounted for coaxial rotation with respect to the second sun wheel, the second radii being smaller than the first radii, the first bearing means being disposed in the first supporting means, housing shells connected to the bridgeType: GrantFiled: November 8, 1976Date of Patent: February 14, 1978Assignee: Magyar Vagon- es GepgyarInventor: Gabor Szalai
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Patent number: 4048466Abstract: Welded axle housings with hollow axles are manufactured by providing the edges of the axle housing with beadings and finishing the fitting and abutment surfaces thereof as well as of the hollow axles, assembling the axle housing and the hollow axles, clamping in the assembly and connecting its parts by electron beam welding along frontal abutment faces on said beadings.Type: GrantFiled: November 6, 1975Date of Patent: September 13, 1977Assignee: Magyar Vagon- es GepgyarInventors: Laszlo Toth, Janos Schirhuber, Kalman Prepost, Andras Tassi
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Patent number: 4020716Abstract: In a planetary transmission wheel drive mechanism, particularly for applying driving torque to the driving wheels of heavy duty ground engaging vehicles such as trucks, tractors and the like a pair of planetary gear sets are employed in series connection in such a manner that one of the planetary gear sets has its sun gear on a drive shaft and its planetary carrier rotatably mounted in a stationary hub. Planetary pinion gears supported by the planetary carrier mesh with a gear ring which is fixed to the aforesaid hub. The other planetary gear set consists of a sun gear which is supported by an extension of the planetary carrier of the first mentioned planetary gear set. The sun gear of the second planetary gear set meshes with planetary pinion gears which, in turn, engage with a gear ring.Type: GrantFiled: January 15, 1976Date of Patent: May 3, 1977Assignee: Magyar Vagon- es GepgyarInventors: Istvan Toth, Kalman Prepost