Patents by Inventor Michael Kahrs
Michael Kahrs 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: 11458809Abstract: An air distribution plenum for controlling air flow in a vehicle HVAC system includes an air inlet and first and second air outlets. A movable member substantially blocks the first and second air outlets when in a first position, blocks only the first air outlet in a second position, blocks only the second air outlet in a third position, and permits air to flow through both the first and second air outlets when in a fourth position.Type: GrantFiled: July 29, 2019Date of Patent: October 4, 2022Assignee: Ford Global Technologies, LLCInventors: Ian Thomas Lewczynski, Steven Michael Kahrs, David Ballheim
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Patent number: 11390134Abstract: A dual zone auxiliary climate control system for a vehicle includes an evaporator, a heater core having a first zone and a second zone, a first zone mode door downstream from the first zone of the heater core, a second zone mode door downstream from the second zone of the heater core and a blower. The blower forces air through the evaporator and the heater core toward the first zone mode door and the second zone mode door. A method of providing a dual zone auxiliary climate control system is also disclosed.Type: GrantFiled: March 21, 2019Date of Patent: July 19, 2022Assignee: Ford Global Technologies, LLCInventors: Robert Louis Hayes, Jennifer A. Herr-Rathke, Steve Michael Kahrs, Manfred Koberstein
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Patent number: 11199099Abstract: An airfoil for a rotor blade in a gas turbine engine includes a first side wall and a second side wall joined to the first side wall at a leading edge and a trailing edge. The airfoil further includes a tip cap extending between the first and second side walls such that the tip cap and at least portions of the first and second side walls form a blade tip and an internal cooling system. The internal cooling system includes a leading edge cooling circuit, a central cooling circuit, and a trailing edge cooling circuit. Each of the internal passages within the leading edge cooling circuit, the central cooling circuit, and the trailing edge cooling circuit is bounded in the radial outward direction with a surface that has at least one escape hole or that is positively angled in the radial outward direction relative to a chordwise axis.Type: GrantFiled: March 23, 2020Date of Patent: December 14, 2021Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Daniel C. Crites, Michael Kahrs, Brandan Wakefield, Ardeshir Riahi
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Patent number: 11015472Abstract: A turbine engine includes a turbine wheel including a rotor disk and turbine blades connected to the rotor disk through blade mounts. The blade mounts and the rotor disk have fore and aft surfaces. The blade mount includes a blade attachment surface connecting the fore and aft surfaces with the turbine blade extending from the blade attachment surface. A gap is defined between and separating adjacent blade mounts and extends into the rotor disk. The gap includes a pocket having a fore opening and a rotor relief hole. The turbine wheel further includes a plug disposed in a rotor relief opening and a pocket seal disposed in the pocket. The turbine engine further includes a fore seal plate having an edge abutting the blade mounts about a circumference of the turbine wheel and a finger extending toward and contacting the plug to maintain the plug in the rotor relief opening.Type: GrantFiled: September 8, 2020Date of Patent: May 25, 2021Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Steve Halfmann, Daniel C. Crites, Michael Kahrs, Ardeshir Riahi, Jude Miller
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Publication number: 20210031591Abstract: An air distribution plenum for controlling air flow in a vehicle HVAC system includes an air inlet and first and second air outlets. A movable member substantially blocks the first and second air outlets when in a first position, blocks only the first air outlet in a second position, blocks only the second air outlet in a third position, and permits air to flow through both the first and second air outlets when in a fourth position.Type: ApplicationFiled: July 29, 2019Publication date: February 4, 2021Applicant: Ford Global Technologies, LLCInventors: Ian Thomas Lewczynski, Steven Michael Kahrs, David Ballheim
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Publication number: 20210003023Abstract: A turbine engine includes a turbine wheel including a rotor disk and turbine blades connected to the rotor disk through blade mounts. The blade mounts and the rotor disk have fore and aft surfaces. The blade mount includes a blade attachment surface connecting the fore and aft surfaces with the turbine blade extending from the blade attachment surface. A gap is defined between and separating adjacent blade mounts and extends into the rotor disk. The gap includes a pocket having a fore opening and a rotor relief hole. The turbine wheel further includes a plug disposed in a rotor relief opening and a pocket seal disposed in the pocket. The turbine engine further includes a fore seal plate having an edge abutting the blade mounts about a circumference of the turbine wheel and a finger extending toward and contacting the plug to maintain the plug in the rotor relief opening.Type: ApplicationFiled: September 8, 2020Publication date: January 7, 2021Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Steve Halfmann, Daniel C. Crites, Michael Kahrs, Ardeshir Riahi, Jude Miller
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Publication number: 20200378262Abstract: An airfoil for a rotor blade in a gas turbine engine includes a first side wall and a second side wall joined to the first side wall at a leading edge and a trailing edge. The airfoil further includes a tip cap extending between the first and second side walls such that the tip cap and at least portions of the first and second side walls form a blade tip and an internal cooling system. The internal cooling system includes a leading edge cooling circuit, a central cooling circuit, and a trailing edge cooling circuit. Each of the internal passages within the leading edge cooling circuit, the central cooling circuit, and the trailing edge cooling circuit is bounded in the radial outward direction with a surface that has at least one escape hole or that is positively angled in the radial outward direction relative to a chordwise axis.Type: ApplicationFiled: March 23, 2020Publication date: December 3, 2020Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Daniel C. Crites, Michael Kahrs, Brandan Wakefield, Ardeshir Riahi
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Patent number: 10851660Abstract: Turbine wheels, turbine engines, and methods of forming the turbine wheels are provided herein. In an embodiment, a turbine wheel includes a rotor disk and a plurality of turbine blades. Each turbine blade is operatively connected to the rotor disk through a blade mount, which is bonded to the rotor disk. The blade mount and the rotor disk have a fore surface on a higher pressure side thereof and an aft surface on a lower pressure side thereof. The blade mount includes a blade attachment surface that extends between and connects the fore surface and the aft surface. The turbine blade extends from the blade attachment surface. A gap is defined between adjacent blade mounts. The gap separates the blade mounts and extends into the rotor disk. The gap includes a pocket that has a fore opening in the fore surface. A pocket seal is disposed in the pocket.Type: GrantFiled: September 24, 2019Date of Patent: December 1, 2020Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Steve Halfmann, Daniel C. Crites, Michael Kahrs, Ardeshir Riahi, Jude Miller
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Publication number: 20200353577Abstract: Turbine wheels, turbine engines, and methods of fabricating the turbine wheels are provided. An exemplary method includes fabricating a turbine wheel that includes a rotor disk and a plurality of turbine blades operatively connected to the rotor disk through a blade mount. The method includes locating a cooling passage within a blade mount preliminary configuration and a cooling inlet on a surface of the blade mount preliminary configuration. A rotor disk bonding surface geometry and a blade mount bonding surface geometry are designed based upon a stress analysis of the turbine wheel and locations of the cooling passage and cooling inlet. A rotor disk production configuration and a blade mount production configuration are generated based upon the preliminary configurations. A blade mount and a rotor disk are formed based upon the production configurations. A blade ring including a plurality of blade mounts is formed and bonded to the rotor disk.Type: ApplicationFiled: July 28, 2020Publication date: November 12, 2020Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Michael Kahrs, Daniel C. Crites, Jude Miller, Steve Halfmann, Jason Smoke, Ardeshir Riahi, David K. Jan
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Publication number: 20200298650Abstract: A dual zone auxiliary climate control system for a vehicle includes an evaporator, a heater core having a first zone and a second zone, a first zone mode door downstream from the first zone of the heater core, a second zone mode door downstream from the second zone of the heater core and a blower. The blower forces air through the evaporator and the heater core toward the first zone mode door and the second zone mode door. A method of providing a dual zone auxiliary climate control system is also disclosed.Type: ApplicationFiled: March 21, 2019Publication date: September 24, 2020Inventors: Robert Louis Hayes, Jennifer A. Herr-Rathke, Steve Michael Kahrs, Manfred Koberstein
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Publication number: 20200291792Abstract: A turbine blade with an integral flow meter is provided. The turbine blade includes a trailing edge and a leading edge opposite the trailing edge. The turbine blade includes a plurality of cooling passages each having a respective inlet in fluid communication with a source of cooling fluid to receive a cooling fluid. The turbine blade includes a plurality of flow meters, with at least a respective one of the plurality of flow meters associated with a respective one of the plurality of cooling passages at the respective inlet.Type: ApplicationFiled: April 22, 2020Publication date: September 17, 2020Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Steve Halfmann, Daniel C. Crites, Michael Kahrs, Ardeshir Riahi, Jude Miller
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Patent number: 10751843Abstract: Turbine wheels, turbine engines, and methods of fabricating the turbine wheels are provided. An exemplary method includes fabricating a turbine wheel that includes a rotor disk and a plurality of turbine blades operatively connected to the rotor disk through a blade mount. The method includes locating a cooling passage within a blade mount preliminary configuration and a cooling inlet on a surface of the blade mount preliminary configuration. A rotor disk bonding surface geometry and a blade mount bonding surface geometry are designed based upon a stress analysis of the turbine wheel and locations of the cooling passage and cooling inlet. A rotor disk production configuration and a blade mount production configuration are generated based upon the preliminary configurations. A blade mount and a rotor disk are formed based upon the production configurations. A blade ring including a plurality of blade mounts is formed and bonded to the rotor disk.Type: GrantFiled: June 30, 2017Date of Patent: August 25, 2020Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Michael Kahrs, Daniel C. Crites, Jude Miller, Steve Halfmann, Jason Smoke, Ardeshir Riahi, David K. Jan
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Patent number: 10683763Abstract: A turbine blade with an integral flow meter is provided. The turbine blade includes a trailing edge and a leading edge opposite the trailing edge. The turbine blade includes at least one cooling passage defined internally within the turbine blade, and the at least one cooling passage is in fluid communication with a source of cooling fluid via an inlet to receive a cooling fluid. The turbine blade also includes at least one flow meter formed within the turbine blade at the inlet that supplies the cooling fluid to the at least one cooling passage.Type: GrantFiled: October 4, 2016Date of Patent: June 16, 2020Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Steve Halfmann, Daniel C. Crites, Michael Kahrs, Ardeshir Riahi, Jude Miller
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Publication number: 20200180388Abstract: A motor vehicle includes a motor compartment, a passenger compartment and a firewall separating the motor compartment from the passenger compartment. The motor vehicle also includes a heating, ventilation and air conditioning system. That heating, ventilation and air conditioning system includes an HVAC inlet subassembly and an HVAC air distribution subassembly in the passenger compartment and a transition duct in the motor compartment directing an airstream from the HVAC inlet subassembly to the HVAC air distribution subassembly.Type: ApplicationFiled: December 10, 2018Publication date: June 11, 2020Inventors: Steve Michael Kahrs, John Azar, Manfred Koberstein, Emily Obert
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Patent number: 10648354Abstract: Turbine wheels, turbine engines, and methods of forming the turbine wheels are provided herein. In an embodiment, a turbine wheel includes a rotor disk and a plurality of turbine blades. Each turbine blade is operatively connected to the rotor disk through a blade mount, which is bonded to the rotor disk. The blade mount and the rotor disk have a fore surface on a higher pressure side thereof and an aft surface on a lower pressure side thereof. The blade mount includes a blade attachment surface that extends between and connects the fore surface and the aft surface. The turbine blade extends from the blade attachment surface. A gap is defined between adjacent blade mounts. The gap separates the blade mounts and extends into the rotor disk. The gap includes a pocket that has a fore opening in the fore surface. A pocket seal is disposed in the pocket.Type: GrantFiled: December 2, 2016Date of Patent: May 12, 2020Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Steve Halfmann, Daniel C Crites, Michael Kahrs, Ardeshir Riahi, Jude Miller
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Publication number: 20200141258Abstract: Turbine wheels, turbine engines, and methods of forming the turbine wheels are provided herein. In an embodiment, a turbine wheel includes a rotor disk and a plurality of turbine blades. Each turbine blade is operatively connected to the rotor disk through a blade mount, which is bonded to the rotor disk. The blade mount and the rotor disk have a fore surface on a higher pressure side thereof and an aft surface on a lower pressure side thereof. The blade mount includes a blade attachment surface that extends between and connects the fore surface and the aft surface. The turbine blade extends from the blade attachment surface. A gap is defined between adjacent blade mounts. The gap separates the blade mounts and extends into the rotor disk. The gap includes a pocket that has a fore opening in the fore surface. A pocket seal is disposed in the pocket.Type: ApplicationFiled: September 24, 2019Publication date: May 7, 2020Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Steve Halfmann, Daniel C. Crites, Michael Kahrs, Ardeshir Riahi, Jude Miller
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Patent number: 10641106Abstract: An airfoil for a rotor blade in a gas turbine engine includes a first side wall and a second side wall joined to the first side wall at a leading edge and a trailing edge. The airfoil further includes a tip cap extending between the first and second side walls such that the tip cap and at least portions of the first and second side walls form a blade tip and an internal cooling system. The internal cooling system includes a leading edge cooling circuit, a central cooling circuit, and a trailing edge cooling circuit. Each of the internal passages within the leading edge cooling circuit, the central cooling circuit, and the trailing edge cooling circuit is bounded in the radial outward direction with a surface that has at least one escape hole or that is positively angled in the radial outward direction relative to a chordwise axis.Type: GrantFiled: November 13, 2017Date of Patent: May 5, 2020Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Daniel C Crites, Michael Kahrs, Brandan Wakefield, Ardeshir Riahi
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Publication number: 20190184787Abstract: A panel and defrost plenum includes a manifold section, an air feed section and a branch section. The manifold section includes a first air distribution door, a second air distribution door and an optional third air distribution door. The manifold section also includes at least one actuator to displace the first air distribution door, the second air distribution door and the optional third air distribution door if present, between multiple operating positions. The air feed section is located upstream of the manifold section and functions to deliver an airstream past a package restriction to the manifold section. The branch section is downstream from the manifold section. A related method of routing an airstream past a package restriction is also disclosed.Type: ApplicationFiled: December 20, 2017Publication date: June 20, 2019Inventors: James Robert Hurd, III, Michael Murphy McElroy, Steve Michael Kahrs, Jennifer A. Herr-Rathke, Jose A. Nava
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Publication number: 20190145266Abstract: An airfoil for a rotor blade in a gas turbine engine includes a first side wall and a second side wall joined to the first side wall at a leading edge and a trailing edge. The airfoil further includes a tip cap extending between the first and second side walls such that the tip cap and at least portions of the first and second side walls form a blade tip and an internal cooling system. The internal cooling system includes a leading edge cooling circuit, a central cooling circuit, and a trailing edge cooling circuit. Each of the internal passages within the leading edge cooling circuit, the central cooling circuit, and the trailing edge cooling circuit is bounded in the radial outward direction with a surface that has at least one escape hole or that is positively angled in the radial outward direction relative to a chordwise axis.Type: ApplicationFiled: November 13, 2017Publication date: May 16, 2019Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Daniel C. Crites, Michael Kahrs, Brandan Wakefield, Ardeshir Riahi
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Patent number: 10260355Abstract: A turbine blade and a radial turbine having at least one blade is provided. The turbine blade includes a trailing edge and a leading edge opposite the trailing edge. The turbine blade also includes a cooling passage defined internally within the turbine blade. The cooling passage is in fluid communication with a source of cooling fluid via a single inlet to receive a cooling fluid. The cooling passage diverges at a first point downstream from the single inlet into at least two branches that extend along the at least one blade from the first point to a second point near a tip of the leading edge and the cooling passage converges at the second point.Type: GrantFiled: March 7, 2016Date of Patent: April 16, 2019Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Jason Smoke, David K Jan, Amandine Miner, Deanna Pinar Chase, Michael Kahrs, Lorenzo Crosatti