Assignee: Renk Aktiengesellschaft

Location: Augsburg, DE
No. of patents: 38

Number	Title	Issue Date
7902774	Power electronic circuit arrangement for a rotating field machine A power electronic circuit arrangement includes functional blocks for controllable, bidirectional energy exchange between a rotating field machine with at least one phase winding and an external energy store with one positive terminal and one negative terminal. At l...	03/08/2011
7845439	Device for reversing the steering movement of a steering wheel shaft A device for reversing a steering movement of a steering wheel shaft of a vehicle includes a switching element movable between two switching positions to activate or deactivate the reversal of the steering movement. A mechanical actuating device includes a shaft whi...	12/07/2010
7757797	Drive for a track-laying vehicle A drive for a track-laying vehicle includes a drive shaft connected for driving two chain drive wheels of the track-laying vehicle. At least one differential gear system is arranged for superimposing a rotational speed of a steering drive on at least one of the chai...	07/20/2010
7757580	Actuating device for a vehicle transmission An actuating device for vehicle transmissions, in particular of tracked vehicles or wheeled vehicles having a wheel-based steering system, for the remote shifting and emergency shifting of the vehicle transmission is disclosed. The actuating device has a signal tran...	07/20/2010
7635036	Device for reversing the steering movement of a steering-wheel shaft A device for reversing the steering movement of a steering-wheel shaft of a vehicle, it being possible to switch the reversal process only at a standstill of the vehicle in a center position of the steering device. ...	12/22/2009
7621354	Drive system for a tracked vehicle A drive system for a tracked vehicle having an internal combustion engine with a crankshaft aligned transversely to a direction of travel includes a steering drive; a differential transmission having traction drive elements, steering drive elements, and a pair of dr...	11/24/2009
7616443	Cooling device for electrical power units of electrically operated vehicles A cooling device for an electrical power unit of electrically operated vehicles, comprising at least one power section and at least one control section. A first cooling circuit containing a heat exchanger with a low coolant temperature is provided mainly for cooling...	11/10/2009
7490682	Device for reversing the steering movement of a steering-wheel shaft of a vehicle A device for reversing the steering movement of a steering-wheel shaft of a vehicle by superimposing a further movement on the steering movement. ...	02/17/2009
7461710	Electric steering and drive system for a vehicle with wheel side steering system The invention relates to an electrical steering and drive system for a vehicle with wheel-based steering with at least two electrically driven axles, a mechanical coupling between the drive sides being provided on at least one driven axle in order to transmit power ...	12/09/2008
7201691	Electro-hydrodynamic superimposed steering system A superposition steering system for tracklaying or wheeled vehicles with nonpivoting wheels with a drive system (1) and a zero shaft (10, 10′) to transfer the drive power from one drive side to the other, via at least one steering differential gear (...	04/10/2007
RE39179	Electromechanical drive for track-laying vehicles An electromechanical drive for track-laying vehicles in which the two drive sides have no mechanical coupling and permits smaller overall lengths and overall diameters. As a result, the flexibility of the arrangement of the drive components compared is further incre...	07/11/2006
6636009	Fault-tolerant electromechanical actuating device A fault-tolerant electromechanical actuating device for converting an electrical actuating signal into a mechanical output actuating value for use in vehicles, having two mutually independent control loops. Each loop has at least one controller and at lea...	10/21/2003
6544135	Tracked vehicle with shiftable lateral intermediate transmission Tracked vehicle with at least one engine and one gear-change and steering transmission and with lateral intermediate transmissions as final drives for track sprockets on both side of the drive. Each lateral intermediate transmissions is shiftable between ...	04/08/2003
6520886	Generator drive A generator drive for matching the rotation speed of a gas turbine to an electricity generator, The drive from the gas turbine is introduced by a sun wheel into planet gears of a first epicyclic gear stage and is driven via further planet gears of a secon...	02/18/2003
6431929	Drive system A drive system includes a drive shaft with first and second shaft sections connected by a diaphragm clutch having a diaphragm assembly. The radially outer end of the diaphragm assembly is connected to a disk having a first toothing arranged on one face of...	08/13/2002
6420808	Gearing for wind generators A compact drive which has a high transmission ratio for driving generators by wind force and permits simple assembly and maintenance. The gearing is a slip-on gearing having a multi-stage epicyclic gearing arrangement and a spur-gear stage for the drive o...	07/16/2002
6401561	Bowl mill transmission A bowl mill transmission which has a high overall transmission ratio with a large output torque, is of compact construction and is simple to assemble. The transmission being a vertically arranged bevel-gear stage for power input and a multi-stage transmis...	06/11/2002
6374949	Transmission A transmission for the drive of generators by turbines. The transmission casing is under a partial vacuum, and the operation of the transmission is monitored and protected by special safety devices....	04/23/2002
6358176	Electromechanical drive for track-laying vehicles An electromechanical drive for track-laying vehicles in which the two drive sides have no mechanical coupling and permits smaller overall lengths and overall diameters. As a result, the flexibility of the arrangement of the drive components compared is fu...	03/19/2002
6042270	Bearing arrangement Bearing arrangement for the support of a rotor (6) relative to a machine. Bearings (8) are disposed in circular openings (9) of circular disks (10) eccentrically with respect to the circular opening center (12) and is fastenable in the circular opening (9...	03/28/2000
5743658	Lubricated journal bearing Radial friction bearing (1), in particular for electric motors (engines), comprising a bearing housing (2), at least one fixed lubrication ring (4) which is secured on a shaft (6) coaxially with it, and at least one bearing shell (8) disposed within the b...	04/28/1998
5713671	Adjustable bearing assembly An adjustable bearing assembly includes a bearing housing and a bearing body fixed to a carrier and disposed within the housing. Set screws are provided to adjustably position the carrier, hence the bearing body relative to the housing without disassembli...	02/03/1998
5667225	Self-draining shaft seal with wedge-shaped trough A shaft seal includes a plurality of axially spaced annular sealing rings which define oil collection channels. A radial drain aperture extends from the bottom of each channel into an interior trough which extends axially to a discharge orifice in a front...	09/16/1997
5599109	Bearing assembly with ceramic bearing faces A bearing assembly includes a bearing base and a plurality of tiltable shoes. A ceramic plate is bonded to each shoe and a face surface of each ceramic plate provides a bearing face. Tilting movement of the shoes relative to the bearing base provides a fl...	02/04/1997
5529399	Journal-thrust bearing assembly A combined journal-thrust bearing assembly includes a bearing body formed of upper and lower sections secured together at an axial plane. To the axial ends of the bearing body, thrust rings are removably mounted with the thrust rings also being formed of ...	06/25/1996
5458984	Journal bearing with bonded liner A journal bearing assembly includes a steel bearing body and a Babbitt metal liner which defines an internal bearing surface and provides a sliding bearing for a rotating journal. A porous metal bonding layer of NiAl 80/20 or AlSi 12 is applied between th...	10/17/1995
5445457	Electrically insulated self adjusting bearing A self adjusting bearing includes a load bearing having a cylindrical bore for carrying a rotating shaft. The load bearing is mounted for pivoting about an axis which is transverse to and intersects a longitudinal axis of the bore. The load bearing is sup...	08/29/1995
5086395	Safety device of an electric control or regulating system for a gearshift mechanism, which contains at least one electromagnetic control element An electrical safety device of an electrical control or regulating system of a gear shifting mechanism, includes a microcomputer, a pulse processor with an integrated watchdog timer and an integrated analog/digital converter, a retriggerable monoflop, a n...	02/04/1992
5069559	Bearing with selectable electrical conductivity A spherical bearing with selectable electrical conductivity includes a bearing body having a spherical supporting surface, a layer of electrically insulating material and a housing having a concave spherical seating surface which form a ball joint having ...	12/03/1991
5061227	Bearing system for wave generator drive A bearing system for a wave generator includes at least two laterally positioned rolling discs each of which is supported eccentrically through an eccentric ring and an intermediate bearing. The eccentric rings are frictionally clamped to each other with ...	10/29/1991
4998591	Electro-mechanical drive system for a full-track vehicle An electric motor drives via differential gear arrangement the track-driving wheels of the tracks of a full-track vehicle. The steering of the full-track vehicle takes place through a further electric motor, through which, depending on the travel directio...	03/12/1991
4995276	Tracked vehicle drive system A drive system includes a vehicle propulsion drive having a speed change gear box which drives tracks through a pair of planetary gears and a steering drive having a pair of variable hydrostatic drives. The hydrostatic drives engage a neutral shaft which ...	02/26/1991
4969376	Planetary drive A planetary drive containing two gear wheels with differing numbers of teeth and a radially flexible planetary wheel in engagement with these gear wheels. The planetary wheel has internal teeth and external teeth and is arranged at least partially in an a...	11/13/1990
4962680	Electronic control device for a drive system An engine (4) of a drive system (2) is adjusted and controlled by a main controller (24). When the main controller (24) breaks down, the operation of the engine can still be continued as emergency operation with an emergency controller (26). However, the ...	10/16/1990
4960404	Superposition steering system with integrated mechanical and infinitely variable drives A superposition steering system for a track vehicle includes an infinitely variable steering drive unit integrated with an engine driven mechanical steering input drive to provide a reduction in the amount of power to be transmitted by the variable steeri...	10/02/1990
4890508	Tracked vehicle drive system A drive system includes a vehicle propulsion device having a speed change gear box which drives tracks through a pair of planetary gears and a steering drive having a pair of variable hydrostatic drives. The hydrostatic drives engage a neutral shaft which...	01/02/1990
4850249	Automated control system for traction vehicles A control system is provided for a traction vehicle having a coupling for towing a trailing vehicle load. The system includes a microprocessor which receives signals from a load sensor and, as a function of such signals, controls the slip duration of shif...	07/25/1989
4807467	Dynamic load test system for drive units A dynamic load test system simulates rotating mass torque loads encountered by specimen drive units such as complete motor vehicles, internal combustion engines, transmissions, brake systems and the like. The system includes a high pressure hydrostatic pu...	02/28/1989

PatentStorm

Bizarre Patents

PatentStorm News

Assignee: Renk Aktiengesellschaft