Patents by Inventor Arne Kruger
Arne Kruger has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10995856Abstract: In a parking lock for an automatic transmission, an electrical parking lock actuator has an electric motor, a spur gear stage driveable by the electric motor, and a worm gear stage driveable by the spur gear stage. A worm shaft of the worm gear stage is connected rotationally conjointly to an output gear of the spur gear stage, and a worm gear of the worm gear stage is connected rotationally conjointly to a transmission-side parking lock shaft. The worm shaft is fixed in an axially displaceable manner in the output gear. A stop limits the pivoting movement of the worm gear when a parking lock position of the parking lock shaft is reached. A spring braces the worm shaft in an axial direction of the worm shaft against a holding mechanism which is situated in a stop position, in which the holding mechanism is fixed by an electrically energized electromagnet.Type: GrantFiled: February 6, 2020Date of Patent: May 4, 2021Inventors: Klaus Gausrab, Arne Krüger
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Publication number: 20200173553Abstract: In a parking lock for an automatic transmission, an electrical parking lock actuator has an electric motor, a spur gear stage driveable by the electric motor, and a worm gear stage driveable by the spur gear stage. A worm shaft of the worm gear stage is connected rotationally conjointly to an output gear of the spur gear stage, and a worm gear of the worm gear stage is connected rotationally conjointly to a transmission-side parking lock shaft. The worm shaft is fixed in an axially displaceable manner in the output gear. A stop limits the pivoting movement of the worm gear when a parking lock position of the parking lock shaft is reached. A spring braces the worm shaft in an axial direction of the worm shaft against a holding mechanism which is situated in a stop position, in which the holding mechanism is fixed by an electrically energized electromagnet.Type: ApplicationFiled: February 6, 2020Publication date: June 4, 2020Applicant: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Klaus Gausrab, Arne Krüger
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Patent number: 10626990Abstract: In a parking lock for an automatic transmission, an electrical parking lock actuator has an electric motor, a spur gear stage driveable by the electric motor, and a worm gear stage driveable by the spur gear stage. A worm shaft of the worm gear stage is connected rotationally conjointly to an output gear of the spur gear stage, and a worm gear of the worm gear stage is connected rotationally conjointly to a transmission-side parking lock shaft. The worm shaft is fixed in an axially displaceable manner in the output gear. A stop limits the pivoting movement of the worm gear when a parking lock position of the parking lock shaft is reached. A spring braces the worm shaft in an axial direction of the worm shaft against a holding mechanism which is situated in a stop position, in which the holding mechanism is fixed by an electrically energized electromagnet.Type: GrantFiled: February 15, 2018Date of Patent: April 21, 2020Assignee: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Klaus Gausrab, Arne Krüger
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Patent number: 10612602Abstract: A spring-actuable friction clutch, having a disk carrier and a cup spring which is connected to the latter via screwed connections. Threaded sleeves are arranged fixedly on the disk carrier. The cup spring has openings which are penetrated by the threaded sleeves. A holding ring is arranged on that side of the cup spring which faces away from the disk carrier. Bolts penetrate passages of the holding ring and are screwed into the threaded sleeves. In a friction clutch of this type, particularly simple mounting and fastening of the cup spring on the disk carrier is ensured.Type: GrantFiled: February 6, 2018Date of Patent: April 7, 2020Assignee: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Martin Halm, Arne Krüger
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Patent number: 10358145Abstract: An actuating device for shifting stages of a transmission, wherein a displaceable actuator for the manual selection of a shift stage (or driving mode) is provided, which can be adjusted into a plurality of positions. At least some or each of the positions can be assigned necessary conditions for the engagement of a shift stage assigned to the position. If the actuator is displaced into a position for which the conditions necessary for the same are not fulfilled, the associated shift stage is not engaged in the transmission and corresponding first signaling is carried out. Fulfillment of the necessary conditions of the associated shift stage following the displacement of the actuator into the position assigned to the shift stage or following the displacement in the direction of the associated position for the associated shift stage leads to the shift stage in the transmission being engaged.Type: GrantFiled: September 21, 2017Date of Patent: July 23, 2019Assignee: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Michael Sickart, Arne Krüger, Gerd Bofinger
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Publication number: 20180238448Abstract: In a parking lock for an automatic transmission, an electrical parking lock actuator has an electric motor, a spur gear stage driveable by the electric motor, and a worm gear stage driveable by the spur gear stage. A worm shaft of the worm gear stage is connected rotationally conjointly to an output gear of the spur gear stage, and a worm gear of the worm gear stage is connected rotationally conjointly to a transmission-side parking lock shaft. The worm shaft is fixed in an axially displaceable manner in the output gear. A stop limits the pivoting movement of the worm gear when a parking lock position of the parking lock shaft is reached. A spring braces the worm shaft in an axial direction of the worm shaft against a holding mechanism which is situated in a stop position, in which the holding mechanism is fixed by an electrically energized electromagnet.Type: ApplicationFiled: February 15, 2018Publication date: August 23, 2018Applicant: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Klaus Gausrab, Arne Krüger
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Publication number: 20180223915Abstract: A spring-actuable friction clutch, having a disk carrier and a cup spring which is connected to the latter via screwed connections. Threaded sleeves are arranged fixedly on the disk carrier. The cup spring has openings which are penetrated by the threaded sleeves. A holding ring is arranged on that side of the cup spring which faces away from the disk carrier. Bolts penetrate passages of the holding ring and are screwed into the threaded sleeves. In a friction clutch of this type, particularly simple mounting and fastening of the cup spring on the disk carrier is ensured.Type: ApplicationFiled: February 6, 2018Publication date: August 9, 2018Applicant: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Martin Halm, Arne Krüger
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Publication number: 20180079428Abstract: An actuating device for shifting stages of a transmission, wherein a displaceable actuator for the manual selection of a shift stage (or driving mode) is provided, which can be adjusted into a plurality of positions. At least some or each of the positions can be assigned necessary conditions for the engagement of a shift stage assigned to the position. If the actuator is displaced into a position for which the conditions necessary for the same are not fulfilled, the associated shift stage is not engaged in the transmission and corresponding first signaling is carried out. Fulfillment of the necessary conditions of the associated shift stage following the displacement of the actuator into the position assigned to the shift stage or following the displacement in the direction of the associated position for the associated shift stage leads to the shift stage in the transmission being engaged.Type: ApplicationFiled: September 21, 2017Publication date: March 22, 2018Applicant: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Michael Sickart, Arne KRÜGER, Gerd BOFINGER
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Patent number: 8104595Abstract: A hydraulic control unit is set up to hydraulically actuate a starting clutch of a motor vehicle and gear selectors of a transmission of the motor vehicle by use of hydraulic valves which are integrated in the hydraulic control unit and which have in each case at least one control element. The hydraulic control unit is characterized in that the integrated hydraulic valves are aligned in the hydraulic control unit in such a way that a movement direction of a vibratory element of a hydraulic valve which controls only the starting clutch differs from the movement direction of vibratory elements of the other hydraulic valves, and is aligned to a lesser extent with the longitudinal axis of the motor vehicle.Type: GrantFiled: December 22, 2008Date of Patent: January 31, 2012Assignee: Dr. Ing. h.c. F. Porsche AGInventors: Frank Kurrle, Joachim Esser, Jan Pfingst, Arne Krüger, Thorsten Böger
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Patent number: 8074779Abstract: A clutch system has a clutch device, an actuating device for the hydraulic actuation of the clutch device, and a hydraulic system. The hydraulic system includes a master cylinder that is actuated by the actuating device, a slave cylinder for actuating the clutch device fluidically connected with the master cylinder through a pressure line. A first branch line is connected to the pressure space of the master cylinder or between the pressure spaces of the master cylinder and slave cylinder. The first branch line is also connected to a compensating tank volume. A second branch line is connected to the pressure space of the slave cylinder or arranged between the pressure spaces of the master and slave cylinders. The second branch line is also connected to the compensating tank volume. A device is disposed to blocking the second branch line during an actuation of the clutch device by way of the actuating device. This provides for an inherently safe, self-ventilating hydraulic system.Type: GrantFiled: July 10, 2008Date of Patent: December 13, 2011Assignee: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Frank Vollmer, Arne Krüger, Dieter Schrag
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Publication number: 20090188767Abstract: A hydraulic system for a clutch has a pump conveying a hydraulic fluid stream via a heat exchanger to a controllable hydraulic valve which divides the hydraulic fluid stream into a first part stream and a second part stream. The first part stream flows to a reservoir via friction linings of the clutch and the second part stream flows to the reservoir via a hydraulic path bypassing the friction linings. The hydraulic system is set up for upgrading a cooling of the clutch by increasing the first part stream at the expense of the second part stream and for reducing the cooling of the clutch by increasing the second part stream. The system is set up for temporarily upgrading the cooling of the clutch in the event of a changeover of torque transfer from transfer via a first part transmission to transfer via a second part transmission of the transmission.Type: ApplicationFiled: January 26, 2009Publication date: July 30, 2009Applicant: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFTInventors: Michael Niko, Joachim Esser, Peter Baur, Arne Kruger
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Publication number: 20090183965Abstract: A multiplate clutch, in particular a starting clutch in a motor vehicle, has primary-side plates which are connected to a drive unit and secondary-side plates which are connected to a drivetrain, in particular to a transmission input. The primary-side and/or secondary-side plates are aligned, in each case with regard to their flatness deviations, with respect to one another, that is to say are arranged so as to be rotated relative to one another in the peripheral direction, such that at least the flatness deviations of adjacent plates do not abut against one another in the axial direction.Type: ApplicationFiled: January 21, 2009Publication date: July 23, 2009Applicant: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFTInventors: Wolfgang Reisser, Arne Kruger, Thorsten Boger
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Publication number: 20090158866Abstract: A hydraulic control unit is set up to hydraulically actuate a starting clutch of a motor vehicle and gear selectors of a transmission of the motor vehicle by use of hydraulic valves which are integrated in the hydraulic control unit and which have in each case at least one control element. The hydraulic control unit is characterized in that the integrated hydraulic valves are aligned in the hydraulic control unit in such a way that a movement direction of a vibratory element of a hydraulic valve which controls only the starting clutch differs from the movement direction of vibratory elements of the other hydraulic valves, and is aligned to a lesser extent with the longitudinal axis of the motor vehicle.Type: ApplicationFiled: December 22, 2008Publication date: June 25, 2009Applicant: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFTInventors: Frank Kurrle, Joachim Esser, Jan Pfingst, Arne Kruger, Thorsten Boger
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Publication number: 20090014275Abstract: A clutch system has a clutch device, an actuating device for the hydraulic actuation of the clutch device, and a hydraulic system. The hydraulic system includes a master cylinder that is actuated by the actuating device, a slave cylinder for actuating the clutch device fluidically connected with the master cylinder through a pressure line. A first branch line is connected to the pressure space of the master cylinder or between the pressure spaces of the master cylinder and slave cylinder. The first branch line is also connected to a compensating tank volume. A second branch line is connected to the pressure space of the slave cylinder or arranged between the pressure spaces of the master and slave cylinders. The second branch line is also connected to the compensating tank volume. A device is disposed to blocking the second branch line during an actuation of the clutch device by way of the actuating device. This provides for an inherently safe, self-ventilating hydraulic system.Type: ApplicationFiled: July 10, 2008Publication date: January 15, 2009Applicant: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFTInventors: Frank Vollmer, Arne Kruger, Dieter Schrag