Patents by Inventor David Walisko
David Walisko 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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Publication number: 20240313604Abstract: A stator of an electric motor for driving a refrigerant compressor including a stator core, a coil connecting device with a base plate as a support element for connecting elements, a first connecting element installed on the base plate, which is linked via connection elements to a first wire end of each coil or each coil strand and thus connects all coils or coil strands to each other, and further connecting elements installed on the base plate, each having connection elements, which are linked to second wire ends of the coils or coil strands of a phase and thus connect all coils or coil strands of this phase to each other, the coil connecting device being linked on wire ends of the wound coils or coil strands in such a way that a gap remains between base insulation and the coil connecting device.Type: ApplicationFiled: August 24, 2022Publication date: September 19, 2024Inventors: David Walisko, Bernd Guntermann, Michael Haag
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Publication number: 20240171033Abstract: A sealing arrangement for passing electrical connections through a wall of a casing of a device for driving a compressor, formed as an electric motor with a stator and a rotor. The sealing arrangement has a connection arrangement with a holding element and at least one electrically conductive connecting element, which protrudes through a feedthrough hole of the casing from a volume enclosed by the casing. The connection arrangement has a sealing element in each case with a sealing sleeve for a connecting element, which, in an area of the feedthrough hole of the casing and a through hole of the holding element, full-circumferentially enclosing the connecting element, abuts in each case on the connecting element and on the casing and on the holding element in a fluid-tight and electrically insulating manner between the connecting element and the casing, and between the connecting element and the holding element.Type: ApplicationFiled: October 15, 2023Publication date: May 23, 2024Inventors: Senol Gecgel, David Walisko, Thomas Alberternst, Bernd Guntermann
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Publication number: 20240097517Abstract: An insulation arrangement for the stator of an electric motor with several stator coils, wherein a respective coil separating element is arranged between adjacent stator coils and the coil separating elements are respectively connected at their ends via an annular lower coil separating element connector and an annular upper coil separating element connector, wherein the connection of the coil separating elements to the coil separating element connectors is embodied as a positive latching connection in combination with an electrically insulating material connection.Type: ApplicationFiled: August 14, 2023Publication date: March 21, 2024Inventors: David Walisko, Florian Semmler, Jürgen Wawer
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Publication number: 20240013954Abstract: A sealing arrangement for guiding electrical connections through a wall of a housing for a device for driving a compressor. The sealing arrangement has a connection arrangement with at least one electrically conductive connection element and a holding element as well as at least one connection terminal element for receiving the at least one connection element in an axial direction. The connection terminal element is fully enclosed by the holding element and a sealing element, respectively. In doing so, the holding element for receiving the connection terminal element is formed from an electrically non-conductive material.Type: ApplicationFiled: February 21, 2022Publication date: January 11, 2024Inventors: David Walisko, Bernd Guntermann, Michael Haag
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Publication number: 20240014703Abstract: An assembly for establishing electrical contact with an electric motor for driving a compressor which is formed in a motor vehicle air conditioning system for compressing a gaseous fluid. The assembly has an annular carrier element, wherein the annular carrier element on its side facing the stator has at least two axial spacer elements, which rest on an axial end face of the stator when the assembly is positioned on the stator, wherein the spacer elements are dimensioned in such a way that an air gap is formed between an underside of the annular carrier element and an axial end face of the stator. The invention also relates to a method for assembling the assembly, and an electric motor having such an assembly.Type: ApplicationFiled: July 10, 2023Publication date: January 11, 2024Inventors: David Walisko, Jürgen Wawer, Florian Semmler
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Publication number: 20230402895Abstract: An insulation system for a stator of an electric motor, in particular for an electric motor of an electrical compressor, wherein the stator has multiple coil carriers which point radially inwards from a stator inner side and have inner flanges spaced apart on the head side, said inner flanges radially delimiting coils wound onto the coil carriers with electrical conductors, wherein the insulation system comprises insulator elements which are each held at their foot end by holding grooves formed on the stator inner side in the axial direction between axial end sides of the stator and are positioned pointing radially inwards between adjacent coils with their head ends between opposing flanks of adjacent inner flanges, wherein an electrically insulating substance is introduced in contact regions between the insulator elements and the holding grooves and/or between the insulator elements and the inner flanges of the coil carriers.Type: ApplicationFiled: June 14, 2023Publication date: December 14, 2023Inventors: David Walisko, Frank Mau, Marco Hombitzer
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Patent number: 11713754Abstract: The invention relates to a device for driving a compressor of a vaporous fluid, particularly an electric motor. The device has a rotor and a stator, which are extended along a common longitudinal axis, as well as an insulation element. The insulation element is designed as a single part and connected with a stator core of the stator in a form-fitting manner such that the stator core and the insulation element form an integral and single-part component of the stator. The invention further relates to a method for producing a stator of the device, particularly the stator core with the insulation element.Type: GrantFiled: July 11, 2019Date of Patent: August 1, 2023Assignee: HANON SYSTEMSInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Patent number: 11658535Abstract: A device, in particular to an electric motor, for driving a compressor of a gaseous fluid. The device comprises a rotor and a stator disposed such that they extend along a common longitudinal axis. The stator comprises connection leads developed as segments of conductor wires of coils. In a region of at least one end side, oriented in an axial direction, of the stator a cover element is disposed which is developed in the form of an axially oriented hollow cylinder with an inner surface and an outer surface. The cover element herein is with the inner surface in contact on an insulation element disposed on the stator and comprising a cylindrical wall. Between an outer side of the wall of insulation element and the inner surface of the cover element are disposed at least segments of the connection leads of the conductor wires.Type: GrantFiled: December 28, 2021Date of Patent: May 23, 2023Assignee: Hanon SystemsInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Patent number: 11581775Abstract: An electric motor having has a rotor and a stator with a stator core as well as an insulation assembly, which extend along a common longitudinal axis from a first end face to a second end face of the stator. The stator core is formed with bars arranged uniformly distributed on the circumference to accommodate conducting wires wound into coils. The insulation assembly has a first insulation element, second insulation elements, and a third insulation element. The first insulation element is arranged between conducting wires and the stator core; a respective second insulation element is arranged in an intermediate space formed between coils arranged to fit closely to one another; and the third insulation element is arranged on an inner side of the stator, the inner side pointing inward in the radial direction, in a manner so as to seal the inner side.Type: GrantFiled: May 12, 2020Date of Patent: February 14, 2023Assignee: HANON SYSTEMSInventors: David Walisko, Frank Mau, Johannes Stausberg
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Publication number: 20220324298Abstract: A device and a method for manufacturing the device for driving a compressor, in particular an electric motor, with a rotor and a stator with a stator core, which are arranged along a longitudinal axis. The stator exhibits connecting cables produced as sections of conducting wires of coils, and connection lines, that are arranged on a first end face of the stator, one insulation element whose wall that is produced essentially with a hollow-cylinder shape projects beyond the stator core on the first end face of the stator in the axial direction, as well as one cover element with mounting elements with connection passages for mounting plug-in connectors, which each are fully enclosed by a wall. A volume enclosed by the stator core, the cover element and the wall of the insulation element which projects beyond the stator core is filled at least zonally with potting compound.Type: ApplicationFiled: November 30, 2020Publication date: October 13, 2022Inventors: David Walisko, Bernd Guntermann, Senol Gecgel
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Patent number: 11424658Abstract: A device for driving a compressor of a vaporous fluid, in particular an electric motor. The device includes a rotor and a stator having a stator core, arranged extending along a common longitudinal axis. A carrier element, which is formed having at least one receptacle element for a plug housing for accommodating at least one plug connector and also at least one clamping element for fixing the carrier element on the stator core as a coherent unit and one-piece component, is arranged pressing against a first end face of the stator aligned in an axial direction. The at least one clamping element is arranged on a side of the carrier element aligned in the axial direction and facing toward the stator core and having an inner side pressing against an outer side of an outer wall of the stator core, centering the carrier element on the stator core.Type: GrantFiled: January 28, 2020Date of Patent: August 23, 2022Assignee: HANON SYSTEMSInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Patent number: 11394283Abstract: A stator unit of an electric motor for driving a hermetic compressor including a stator core and a coil separator cage, which is inserted into the stator core and includes a substantially annular disc-shaped base part and elongated separating webs distributed over the circumference of the base part, with their longitudinal axes extending in the axial direction relative to the stator core, wherein the annular disc-shaped base part is fastened to a first end face of the stator core, and a separating web engages in each stator slot, such that one of the separating webs is arranged between two adjacent coils, wherein each gap between the coil separator cage and the coil windings is filled with an insulating filler.Type: GrantFiled: May 6, 2020Date of Patent: July 19, 2022Assignee: HANON SYSTEMSInventors: David Walisko, Frank Mau, Marco Hombitzer
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Publication number: 20220123618Abstract: A device, in particular to an electric motor, for driving a compressor of a gaseous fluid. The device comprises a rotor and a stator disposed such that they extend along a common longitudinal axis. The stator comprises connection leads developed as segments of conductor wires of coils. In a region of at least one end side, oriented in an axial direction, of the stator a cover element is disposed which is developed in the form of an axially oriented hollow cylinder with an inner surface and an outer surface. The cover element herein is with the inner surface in contact on an insulation element disposed on the stator and comprising a cylindrical wall. Between an outer side of the wall of insulation element and the inner surface of the cover element are disposed at least segments of the connection leads of the conductor wires.Type: ApplicationFiled: December 28, 2021Publication date: April 21, 2022Inventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Patent number: 11258326Abstract: A device, in particular to an electric motor, for driving a compressor of a gaseous fluid. The device comprises a rotor and a stator disposed such that they extend along a common longitudinal axis. The stator comprises connection leads developed as segments of conductor wires of coils. In a region of at least one end side, oriented in an axial direction, of the stator a cover element is disposed which is developed in the form of an axially oriented hollow cylinder with an inner surface and an outer surface. The cover element herein is with the inner surface in contact on an insulation element disposed on the stator and comprising a cylindrical wall. Between an outer side of the wall of insulation element and the inner surface of the cover element are disposed at least segments of the connection leads of the conductor wires.Type: GrantFiled: June 14, 2019Date of Patent: February 22, 2022Assignee: Hanon SystemsInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Patent number: 11183902Abstract: A device for driving a compressor of a gaseous fluid, in particular an electric motor. The device comprises a rotor and a stator which are disposed extending along a common longitudinal axis. A carrier element is disposed in contact on a first end side, oriented in an axial direction, of the stator, which carrier element comprises at least one resiliently deformable pressure element with a contact region. The pressure element is developed extending with an extent in the axial direction and, in a mounted state of the device, is in contact with the contact region on a mating surface under resilient deformation. A method for mounting and a use of the device is also provided.Type: GrantFiled: April 15, 2019Date of Patent: November 23, 2021Assignee: Hanon SystemsInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Patent number: 11125240Abstract: A device for driving a compressor of a gaseous fluid, in particular an electric motor. The device comprises a rotor and a stator which are disposed extending along a common longitudinal axis. A carrier element is disposed in contact on a first end side, oriented in an axial direction, of the stator, which carrier element is developed as a coherent unit and integral component with at least one receiving element for a connector for receiving at least one plug connector. In the axial direction the carrier element is in contact with a cylindrical wall on an insulation element fixedly connected with the stator and comprises an axially oriented annular surface.Type: GrantFiled: April 11, 2019Date of Patent: September 21, 2021Assignee: Hanon SystemsInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Patent number: 11095182Abstract: Sealing arrangement for guiding an electrical connection through a wall of a housing for a device for driving a compressor having an electrically conducting connecting element, guided through a conical passage aperture of the housing, which at least regionally is fully enclosed over the entire circumference by a sealing element. Sealing element is formed as a hollow truncated cone and disposed between a conical sealing facing of the connecting element and a boundary surface of the passage aperture sealing the connecting element against the housing. The connecting element is disposed having been guided through a connection passage of a receiving member for receiving a plug housing with a wall into the plug housing. A device for driving a compressor of a gaseous fluid with the sealing arrangement and a method for assembling the device and use of the device are disclosed.Type: GrantFiled: June 13, 2019Date of Patent: August 17, 2021Assignee: Hanon SystemsInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs, Gerd Vondahlen
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Patent number: 11095186Abstract: Device for driving a compressor of a gaseous fluid having a rotor and a stator disposed extending along a common longitudinal axis. The stator comprises connection leads implemented as segments of conductor wires of coils. The device has a plug housing for receiving a connecting element which is electrically connected with a connection lead of a conductor wire with a plug connector. Support element is disposed on the stator with a receiving member for the plug housing. Receiving member comprises a connecting passage and plug housing is slid into the receiving member in such manner and disposed in the receiving member such that in each instance one connecting passage of the receiving member and the connecting element for receiving a plug connector correspond. Plug housing is filled at least in regions with potting compound and connected with support element under hermetic seal. Methods for assembling the device are provided.Type: GrantFiled: May 20, 2019Date of Patent: August 17, 2021Assignee: Hanon SystemsInventors: Bernd Guntermann, David Walisko, Stephan Heinrichs
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Publication number: 20200366150Abstract: An electric motor for driving a hermetic compressor, wherein the stator comprises a stator core, which has bars, directed radially inward, and which are arranged evenly distributed about a circumference, on an inner side of the stator, which is substantially cylindrically shaped outward, wherein stator slots are formed between the bars, which are respectively adjacent in the circumferential direction, and wherein conducting wires are respectively wound into coils around the bars, and wherein each intermediate space between individual wires of a winding, between each winding and a base insulation, which is situated between the winding and the stator core, between the different coils, and between each winding and non-current-conducting housing parts and/or attachment parts of the stator, is filled with a potting compound as the insulating material, and wherein recesses for cooling ducts to cool the stator are formed within the insulating material.Type: ApplicationFiled: April 27, 2020Publication date: November 19, 2020Inventors: David Walisko, Frank Mau, Marco Hombitzer
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Publication number: 20200366149Abstract: An electric motor having has a rotor and a stator with a stator core as well as an insulation assembly, which extend along a common longitudinal axis from a first end face to a second end face of the stator. The stator core is formed with bars arranged uniformly distributed on the circumference to accommodate conducting wires wound into coils. The insulation assembly has a first insulation element, second insulation elements, and a third insulation element. The first insulation element is arranged between conducting wires and the stator core; a respective second insulation element is arranged in an intermediate space formed between coils arranged to fit closely to one another; and the third insulation element is arranged on an inner side of the stator, the inner side pointing inward in the radial direction, in a manner so as to seal the inner side.Type: ApplicationFiled: May 12, 2020Publication date: November 19, 2020Inventors: David Walisko, Frank Mau, Johannes Stausberg