Patents Assigned to SKF LUBRICATION SYSTEMS GERMANY GMBH
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Patent number: 12253211Abstract: A lubrication system includes a progressive distributor and at least one pressure sensor. The progressive distributor includes a housing block having a lubricant inlet, a plurality of lubricant outlets, a plurality of piston bores fluidically connected to the lubricant inlet, each of the plurality of piston bores having a first outlet bore and a second outlet bore, and a metering piston in each of the plurality of piston bores. Each of the metering pistons is displaceable in a respective one of the plurality of outlet bores to uncover either the first outlet bore or the second outlet bore. The pressure sensor is disposed at an inlet of the progressive distributor upstream of the metering pistons with respect to a lubricant flow direction and configured to determine a lubricant pressure.Type: GrantFiled: April 25, 2022Date of Patent: March 18, 2025Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Juergen Kreutzkaemper, Dieter Hess, Markus Mandera, Andreas Schoenfeld, Stefan Schuermann, Dennis Zahn
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Patent number: 12196366Abstract: A progressive distributor for lubricant includes a housing block. The housing block includes a lubricant inlet bore, via which receives lubricant, and a plurality of lubricant outlets, via which a metered amount of lubricant is dispensable. A plurality of metering pistons are provided in the housing block for the dispensing of the metered amount of lubricant. The metering pistons are received in associated piston bores. Each piston bore is associated with two lubricant outlets. Each metering piston is displaceable in the piston bore and is configured to alternatingly dispense the metered amount of lubricant to the one or the other lubricant outlet. The piston bores are fluidically connected to the lubricant-inlet bore and to each other via connecting bores to transfer lubricant to the other piston bores. The piston bore includes a first region configured to receive the metering piston and a second region configured as the lubricant outlet.Type: GrantFiled: February 14, 2022Date of Patent: January 14, 2025Assignee: SKF Lubrication Systems Germany GmbHInventors: Jürgen Kreutzkämper, Andreas Schönfeld, Dennis Zahn
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Publication number: 20240200721Abstract: A lubrication system includes a progressive distributor that is configured to dispense lubricant to a consumer. The lubrication system also includes a control device and at least one sensor that is configured to determine at least one lubricant pressure inside the lubrication system. The control device is configured to receive measured values from the at least one sensor and to recognize a lubrication cycle based on the measured values and also to determine an average pressure of the lubrication cycle, to perform a comparison of the average pressure and at least one normal pressure of the lubrication system, and to determine a state of the lubrication system based on a result of the comparison.Type: ApplicationFiled: April 25, 2022Publication date: June 20, 2024Applicant: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Dieter Hess, Juergen Kreutzkaemper, Markus Mandera, Andreas Schoenfeld, Stefan Schuermann, Dennis Zahn
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Patent number: 11983000Abstract: A device for outputting a future state of a central lubrication system includes at least one sensor for recording a parameter of the central lubrication system, a processing unit for processing the recorded parameter, determining a current state of the central lubrication system based on the processed parameter, and estimating a future state of the central lubrication system over a certain period of time based on the current state and stored data, and an output unit for outputting the future state of the central lubrication system.Type: GrantFiled: May 6, 2021Date of Patent: May 14, 2024Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Stefan Gebauer, Armin Guenther, Dieter Hess, Juergen Kreutzkaemper, Andreas Stellmach
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Patent number: 11965502Abstract: A housing for a lubricant supply device for supplying a consumer with a lubricant includes a storage space for the viscous medium and a pump space configured to contain a conveying pump for pumping the viscous medium from the storage space to a medium outlet. The storage space is at least partially defined by a side wall, a base wall and a cover wall, and the supply device also includes an outer wall overlying a portion of the storage space side wall and defining with the storage space side wall a first intermediate space. The storage space side wall includes a first opening providing fluid communication between the storage space and the intermediate space.Type: GrantFiled: July 26, 2021Date of Patent: April 23, 2024Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Daniel Beisel, Holger Schmidt, Dieter Schoenherr
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Patent number: 11898695Abstract: A progressive distributor for lubricant includes a housing block having an inlet and a plurality of outlets and a plurality of metering pistons received in associated piston bores in the housing block. Each piston bore is associated with two lubricant outlet bores, and each metering piston is displaceable and configured to alternatingly release the one or the other lubricant outlet bore in order to dispense the metered lubricant amount to the lubricant outlet bore. The piston bores are fluidically connected to the lubricant inlet bore and to each other via connecting bores in order to transfer lubricant to the other piston bores. A dummy piston is disposed in one of the piston bores that permanently closes both the lubricant inlet bore and both lubricant outlet bores, and includes at least one bypass passageway that fluidically connects two of the connecting bores to each other.Type: GrantFiled: March 2, 2021Date of Patent: February 13, 2024Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Dieter Hess, Juergen Kreutzkaemper, Markus Mandera, Andreas Schoenfeld, Stefan Schuermann, Dennis Zahn
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Patent number: 11859668Abstract: A lubricant injector includes a lubricant inlet, a lubricant outlet, a control piston and a metering piston. The control piston is configured to conduct lubricant from the lubricant inlet to the metering piston, and the metering piston is configured to pump the lubricant provided by the control piston to the at least one lubricant outlet. The metering piston includes a first metering chamber and a second metering chamber that are each connected to the at least one lubricant outlet. The lubricant injector further includes first and second lubricant channels, and in a first switching state of the control piston the lubricant inlet is connected via the first control space to the first lubricant channel and the second metering chamber, and in a second switching state the lubricant inlet is connected via the second control space to the second lubricant channel and the first metering chamber.Type: GrantFiled: September 1, 2021Date of Patent: January 2, 2024Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Juergen Kreutzkaemper, Herbert Kannegiesser, Edward Schneider, Ralf Trinkel
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Patent number: 11852293Abstract: A lubricant pumping system includes a lubricant pump having a lubricant pumping space, a first seal configured to seal the lubricant pumping space, at least one signal detector, and a leakage detector for detecting leakage of a lubricant from the pumping space through the first seal and sending a signal to the signal detector in response to a detection of the leakage of the lubricant. The signal detector may produce a visual or acoustic output in response to receipt of the signal.Type: GrantFiled: March 25, 2022Date of Patent: December 26, 2023Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Juergen Kreutzkaemper, Stefan Schuermann, Andreas Schoenfeld, Dieter Hess
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Patent number: 11639770Abstract: A progressive distributor includes a housing block with an inlet bore and outlet bores and first and second metering pistons in first and second piston bores. Each piston defines first and second annular workspaces and delimits first and second metering spaces at the ends of each piston, the first and second piston bores each having a central axis and being disposed one atop the other so that their central axes are parallel to each other and located in a central plane. Switching bores connect the metering spaces of the first metering piston to the workspaces of the second metering piston, and the switching bores are located on opposite sides of the central plane.Type: GrantFiled: September 13, 2021Date of Patent: May 2, 2023Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Dieter Hess, Juergen Kreutzkaemper, Markus Mandera, Andreas Schoenfeld, Stefan Schuermann, Dennis Zahn
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Patent number: 11506334Abstract: A lubrication distribution assembly is provided. The lubrication distribution assembly includes a lubrication metering device, which includes a piston. The lubrication distribution assembly also includes a sensor and a controller. The sensor automatically detects a piston stroke length of the piston over at least two movement cycles of the piston. The controller receives the piston stroke length from the sensor, sets an operating point of the piston based on the piston stroke length, and controls the lubrication metering device by utilizing the set operating point.Type: GrantFiled: February 4, 2019Date of Patent: November 22, 2022Assignees: SKF LUBRICATION SYSTEMS GERMANY GMBH, IFM ELECTRONIC GMBHInventors: Armin Buergy, Armin Guenther, Jörg Poser, Stefan Schuermann, Gunther Wenskat
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Patent number: 11199204Abstract: A switching device for alternately connecting a hydraulic drive of a lubricating pump to a pressure line and to a return line of a hydraulic circuit. The switching device includes first and second drive lines connected to the hydraulic drive, and pressure and return drive lines connected to the pressure and return lines. A switching valve is in fluid communication with the drive lines and is switchable between first and second switching states to connect the pressure drive line to the first drive line or to the second drive line. A plurality of hydraulic control lines control the position of the switching valve. The drive lines are configured to conduct a first volumetric flow of hydraulic fluid and the hydraulic control lines are configured to conduct a second volumetric flow of the hydraulic fluid different than the first volumetric flow.Type: GrantFiled: March 9, 2020Date of Patent: December 14, 2021Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Dieter Hess, Juergen Kreutzkaemper, Stefan Schuermann
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Patent number: 11149792Abstract: A lubricant injector includes a lubricant inlet, a lubricant outlet, a control piston and a metering piston. The control piston is configured to conduct lubricant from the lubricant inlet to the metering piston, and the metering piston is configured to pump the lubricant provided by the control piston to the at least one lubricant outlet. The metering piston includes a first metering chamber and a second metering chamber that are each connected to the at least one lubricant outlet. The lubricant injector further includes first and second lubricant channels, and in a first switching state of the control piston the lubricant inlet is connected via the first control space to the first lubricant channel and the second metering chamber, and in a second switching state the lubricant inlet is connected via the second control space to the second lubricant channel and the first metering chamber.Type: GrantFiled: March 20, 2015Date of Patent: October 19, 2021Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Juergen Kreutzkaemper, Herbert Kannegiesser, Edward Schneider, Ralf Trinkel
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Patent number: 10969059Abstract: A lubricant distribution system includes at least one lubricant pump, at least one metering device for distributing metered amounts of lubricant to consumption points, a sensor unit including at least one sensor element configured to detect at least one operating parameter of the metering device, and at least one programmable control unit configured to control the lubricant pump based on the detected operating parameter.Type: GrantFiled: January 4, 2018Date of Patent: April 6, 2021Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventor: Armin Guenther
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Patent number: 10962130Abstract: A lubricant reservoir system includes a lubricant reservoir having an interior wall and an inlet for receiving lubricant from a supply. A follower device in the reservoir contacts the interior wall of the reservoir in a sliding and sealing manner, and the follower device is movable up and down in the reservoir from a first position to a second position in response to a changing lubricant level. A valve is in fluid communication with the inlet and is configured to selectively prevent a flow of the lubricant through the inlet. A connector operatively connects the follower device to the valve unit such that the flow of the lubricant through the inlet is prevented when the follower device is in the second position. The connector is configured such that the valve is positionable independently of the reservoir.Type: GrantFiled: January 30, 2018Date of Patent: March 30, 2021Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Markus Mandera, Dieter Hess, Tobias Mueller, Andreas Schoenfeld
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Patent number: 10941901Abstract: A lubricant application device includes a base body configured to be mounted to an end surface of a gear. The base body includes a port configured to be connected to a source of lubricant and a holder for holding a lubricant applicator supported by the base body. A lubricant passage connects the port to the holder, and a lubricant applicator is mounted in the holder. The lubricant applicator is a coiled wire defining an internal passage for carrying the lubricant and may include a first length of coils with no axial spacing and a second length of coils that are axial spaced.Type: GrantFiled: December 4, 2017Date of Patent: March 9, 2021Assignee: SKF Lubrication Systems Germany GmbHInventors: Andreas Schoenfeld, Daniel Beisel, Juergen Kreutzkaemper, Thomas Leibbrand
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Patent number: 10927834Abstract: A lubricant supplying device includes a feed pump that serves to pump lubricant from a lubricant reservoir to at least one lubrication point. A method for operating the lubricant supplying device includes measuring at least one operating parameter, such as temperature (T), of at least one part of a system to be lubricated and/or of the lubricant and/or of the environment. The at least one measured operating parameter (T) is supplied to a controller, where a required volumetric flow ({dot over (V)}target) of lubricant is determined based on a stored functional relationship ({dot over (V)}target=ƒ (T)) that generates the required volumetric flow ({dot over (V)}target) based upon the measured operating parameter (T). The feed pump is then actuated in order to achieve the determined, required volumetric flow ({dot over (V)}target).Type: GrantFiled: March 11, 2015Date of Patent: February 23, 2021Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Armin Buergy, Dieter Hess, Andreas Schoenfeld, Stefan Schuermann
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Patent number: 10900767Abstract: A device for detecting a movement of a piston of a lubricant distributor includes a movable actuator including a first magnet element, and a movable indicator including a second magnet element. The actuator is configured to be moved from an initial actuator position to an end actuator position by a movement of the piston, and the actuator and the indicator are configured and disposed such that a repulsive magnetic force prevails between them such that the indicator is moved from an initial indicator position to an end indicator position by the movement of the actuator from the initial actuator position toward the end actuator position.Type: GrantFiled: November 29, 2017Date of Patent: January 26, 2021Assignee: SKF Lubrication Systems Germany GmbHInventors: Dieter Hess, Juergen Kreutzkaemper, Tobias Mueller, Jan Ruiter, Andreas Schoenfeld, Schuemann Stefan
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Patent number: 10890292Abstract: A device for detecting a movement of a piston of a lubricant distributor includes a movable actuator including a first magnet element, and a movable indicator including a second magnet element. The actuator is configured to be moved from an initial actuator position to an end actuator position by a movement of the piston, and the actuator and the indicator are configured and disposed such that a magnetic force prevails between them such that the indicator is moved from an initial indicator position to an end indicator position by the movement of the actuator from the initial actuator position toward the end actuator position.Type: GrantFiled: November 29, 2017Date of Patent: January 12, 2021Assignee: SKF Lubrication Systems Germany GmbHInventors: Dieter Hess, Juergen Kreutzkaemper, Tobias Mueller, Jan Ruiter, Andreas Schoenfeld, Stefan Schuemann
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Patent number: 10844947Abstract: A gear lubricant line device includes a base body configured to attach to an end surface of a gear and a mount including a holder for a lubricant applicator. The mount is slidably mounted on the base body and releasably fixable to the base body to hold the lubricant applicator in a desired position relative to a tooth base of the gear.Type: GrantFiled: December 5, 2017Date of Patent: November 24, 2020Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Andreas Schoenfeld, Daniel Beisel, Juergen Kreutzkaemper, Thomas Leibbrand
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Patent number: D1048104Type: GrantFiled: March 12, 2021Date of Patent: October 22, 2024Assignee: SKF LUBRICATION SYSTEMS GERMANY GMBHInventors: Veronika Breitenleicher, Andreas Reuter