Patents Assigned to RENK Aktiengesellschaft
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Publication number: 20050284672Abstract: 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 from one drive side to the other, and a purely electrical transmission of drive power being provided on the other driven axles.Type: ApplicationFiled: May 17, 2003Publication date: December 29, 2005Applicant: RENK AKTIENGESELLSCHAFTInventors: Thomas Egen, Alexander Walter, Max Witzenberger
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Patent number: 6969289Abstract: A marine vessel propulsion assembly has an elastically suspended gearbox with an output drive shaft guided in an axial bearing with a rigidly suspended bearing housing. Free space is provided in the axial bearing for allowing movement of the output drive shaft in the radial direction, wherein the output drive shaft is freely movable radially within the free space. A supporting ring with sliding elements for axial guidance of the output drive shaft is arranged in the axial bearing. The supporting ring is hydraulically supported by a large number of pistons so that the supporting ring can match itself to angular displacements of the output drive shaft and can always completely and uniformly support the sliding elements on the bearing circumference.Type: GrantFiled: March 3, 2004Date of Patent: November 29, 2005Assignee: RENK AktiengesellschaftInventors: Hartmut Hultsch, Karl-Heinz Merk
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Publication number: 20040198111Abstract: A marine vessel propulsion assembly has an elastically suspended gearbox with an output drive shaft guided in an axial bearing with a rigidly suspended bearing housing. Free space is provided in the axial bearing for allowing movement of the output drive shaft in the radial direction, wherein the output drive shaft is freely movable radially within the free space. A supporting ring with sliding elements for axial guidance of the output drive shaft is arranged in the axial bearing. The supporting ring is hydraulically supported by a large number of pistons so that the supporting ring can match itself to angular displacements of the output drive shaft and can always completely and uniformly support the sliding elements on the bearing circumference.Type: ApplicationFiled: March 3, 2004Publication date: October 7, 2004Applicant: RENK AktiengesellschaftInventors: Hartmut Hultsch, Karl-Heinz Merk
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Publication number: 20040007046Abstract: A device for simulating slip on vehicle test benches wherein a vehicle wheel which rolls on a movable testing surface of a test device such as a test roller or flat belt and performs the object of changing the frictional force between the wheel and the testing surface without necessarily having to change the coefficient of friction, A lifting/lowering device changes the contact force FA of the wheel in a predeterminable way from the tire to an apparatus as the wheel rotates.Type: ApplicationFiled: July 10, 2003Publication date: January 15, 2004Applicant: RENK AktiengesellschaftInventors: Mathias Karrer, Andreas Mund
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Patent number: 6659899Abstract: A control unit has a signal input from at least one sensor and a signal output for electrically actuating at least one valve in order to hydraulically activate a gear-changing element. An emergency gear change slide can switch off the electrical actuation of the valves so that hydraulic modulation can be carried out.Type: GrantFiled: June 11, 2002Date of Patent: December 9, 2003Assignee: RENK AktiengesellschaftInventor: Harald Naunheimer
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Patent number: 6636009Abstract: 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 least one electric motor which is driven by this controller and which, in each case via a self-locking transmission, drives the input to a summing transmission, which superimposes the actuating values of the actuating motors to form the output actuating value. The fault tolerance or reliability of the actuating device is ensured by a comparator controller, which monitors the functions of the other controllers. Interfaces between the controllers and between the subsystems ensure stringent isolation of electrical potential.Type: GrantFiled: December 20, 2001Date of Patent: October 21, 2003Assignee: Renk AktiengesellschaftInventor: Alexander Walter
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Patent number: 6601445Abstract: A roller type test stand for motor vehicles and/or wheel/tire combinations including at least one running roller for supporting the wheels, a supporting frame and a drive arranged between the running rollers. The drive is a motor/transmission combination including a shaft for supporting the running rollers, a transmission and at least one motor. The motor is arranged next to the shaft and is connected to the shaft via a transmission. The motor/transmission combination is arranged on a frame that is swing mounted on the supporting frame. At least one measuring apparatus is arranged on the frame between the running rollers. Alternatively, the frame may be replaced by a housing.Type: GrantFiled: December 19, 2000Date of Patent: August 5, 2003Assignee: RENK AktiengesellschaftInventor: Jörg Cordes
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Patent number: 6544135Abstract: 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 at least two gears.Type: GrantFiled: March 9, 2001Date of Patent: April 8, 2003Assignee: Renk AktiengesellschaftInventor: Max Witzenberger
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Patent number: 6520886Abstract: 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 second epicylic gear stage, which are each arranged on a common planet gear shaft with the planet gears of the first gear stage, by an annular gear to the generator. The planet gear shafts are mounted in bushes which can each be inserted complete with the planet gears into openings on a supporting wall of the drive. With respect to their distances from the bearing, the planet gears are arranged on the planet gear shaft such that the moments which result from the circumferential forces about the bearing essentially cancel one another out.Type: GrantFiled: April 6, 2001Date of Patent: February 18, 2003Assignee: Renk AktiengesellschaftInventor: Helmut Schwertberger
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Publication number: 20020193198Abstract: A control unit has a signal input from at least one sensor and a signal output for electrically actuating at least one valve in order to hydraulically activate a gear-changing element. An emergency gear change slide can switch off the electrical actuation of the valves so that hydraulic modulation can be carried out.Type: ApplicationFiled: June 11, 2002Publication date: December 19, 2002Applicant: RENK AktiengesellschaftInventor: Harald Naunheimer
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Patent number: 6431929Abstract: 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 the disk. The first toothing engages in corresponding second toothing on a flange connected to the first shaft section when the diaphragm assembly is subjected to an axial preload. A contact-pressure device that is controllable by remote control in the stationary condition acts against the disk to produce the preload.Type: GrantFiled: December 21, 2000Date of Patent: August 13, 2002Assignee: Renk AktiengesellschaftInventors: Wilhelm Schäfer, Heinz-Jürgen Bohmann
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Publication number: 20020093298Abstract: 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 least one electric motor which is driven by this controller and which, in each case via a self-locking transmission, drives the input to a summing transmission, which superimposes the actuating values of the actuating motors to form the output actuating value. The fault tolerance or reliability of the actuating device is ensured by a comparator controller, which monitors the functions of the other controllers. Interfaces between the controllers and between the subsystems ensure stringent isolation of electrical potential.Type: ApplicationFiled: December 20, 2001Publication date: July 18, 2002Applicant: Renk AktiengesellschaftInventor: Alexander Walter
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Patent number: 6420808Abstract: 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 output to a generator. The force is introduced into the epicyclic gearing arrangement via a ring gear, which drives planet gears, on whose shafts fixed to the housing in each case further planet gears are arranged. The planet gears mesh with a sun gear, from which the drive output to the spur-gear stage is effected.Type: GrantFiled: April 19, 2000Date of Patent: July 16, 2002Assignee: Renk AktiengesellschaftInventor: Helmut Hösle
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Patent number: 6401561Abstract: 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 transmission arrangement for power output into a thrust plate of the bowl mill crusher.Type: GrantFiled: April 19, 2000Date of Patent: June 11, 2002Assignee: Renk AktiengesellschaftInventor: Helmut Hösle
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Patent number: 6374949Abstract: 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.Type: GrantFiled: December 27, 1999Date of Patent: April 23, 2002Assignee: Renk AktiengesellschaftInventor: Helmut Schwertberger
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Publication number: 20020043102Abstract: A roller type test stand for motor vehicles and/or wheel/tire combinations including at least one running roller for supporting the wheels, a supporting frame and a drive arranged between the running rollers. The drive is a motor/transmission combination including a shaft for supporting the running rollers, a transmission and at least one motor. The motor is arranged next to the shaft and is connected to the shaft via a transmission. The motor/transmission combination is arranged on a frame that is swing mounted on the supporting frame. At least one measuring apparatus is arranged on the frame between the running rollers. Alternatively, the frame may be replaced by a housing.Type: ApplicationFiled: December 19, 2000Publication date: April 18, 2002Applicant: RENK AktiengesellschaftInventor: Jorg Cordes
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Patent number: 6368244Abstract: A bowl mill transmission which has a high overall transmission ratio and a high output torque, is of compact construction and is simple to assemble, is equipped with a vertically arranged bevel-gear stage for power input and a multi-stage epicyclic transmission arrangement for power output into a thrust ring of the bowl mill.Type: GrantFiled: April 19, 2000Date of Patent: April 9, 2002Assignee: RENK AktiengesellschaftInventors: Helmut Hösle, Toni Weiss, Heinrich Arndt
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Patent number: 6358176Abstract: 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 increased. The drive includes an electric traction motor, at least one variable-speed mechanical gear unit, and at least one brake. At least one of these components is arranged inside the rotor of the electric motor, and the remaining components are arranged laterally at the electric motor in such a way as to lie coaxially in approximately one plane.Type: GrantFiled: November 1, 1999Date of Patent: March 19, 2002Assignee: Renk AktiengesellschaftInventors: Harald Nauheimer, Anton Huf
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Patent number: 6344011Abstract: 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 includes a vertically arranged bevel-gear stage for the power input and a multi-stage power-splitting epicyclic transmission arrangement for power output into a thrust ring of the bowl mill.Type: GrantFiled: April 19, 2000Date of Patent: February 5, 2002Assignee: RENK AktiengesellschaftInventor: Helmut Hösle
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Patent number: RE39179Abstract: 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 increased. The drive includes an electric traction motor, at least one variable-speed mechanical gear unit, and at least one brake. At least one of these components is arranged inside the rotor of the electric motor, and the remaining components are arranged laterally at the electric motor in such a way as to lie coaxially in approximately one plane.Type: GrantFiled: October 2, 2002Date of Patent: July 11, 2006Assignee: Renk AktiengesellschaftInventors: Harald Naunheimer, Anton Huf