Patents Assigned to Mahle International GmbH
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Publication number: 20250096638Abstract: An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a compression device configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the electric compressor from the discharge volume.Type: ApplicationFiled: September 14, 2023Publication date: March 20, 2025Applicant: MAHLE INTERNATIONAL GMBHInventors: Abian Bautista Rodriguez, David Ayza Parra, Vicente Balaguer Garin, Justo Lapiedra Castano, Francisco Moya Torres
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Patent number: 12255364Abstract: A membrane assembly for a humidification device of a fuel cell system may include a membrane. The membrane may be permeable to water and impermeable to air. The membrane may extend in a flat form in a longitudinal direction and in a transverse direction that is transverse with respect to the longitudinal direction in an extent plane. The membrane may include in a height direction extending transversely with respect to the longitudinal direction and transversely with respect to the transverse direction a top side and a bottom side averted from the top side. The membrane may include an encircling outer margin in the extent plane. The outer margin may have an upper edge at the top side and a lower edge at the bottom side, between which an encircling face surface extends.Type: GrantFiled: June 14, 2021Date of Patent: March 18, 2025Assignee: Mahle International GmbHInventors: Swen-Juri Bauer, Andreas Gruener, Stefan Kaiser, Aleksandar Radlovic, Lukas Schikora, Alexander Tuntukas
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Patent number: 12247667Abstract: A split piston ring unit may include a first ring body, a second ring body, and a spacer insert. The first ring body may define a first circumferential gap. The second ring body may define a second circumferential gap. The spacer insert may be coupled to the first ring body and the second ring body. The first ring body and the second ring body may be arranged coaxially and oriented in an offset orientation where the first circumferential gap and the second circumferential gap are disposed circumferentially offset from one another by an offset distance. The spacer insert may be disposed in the offset distance between the first circumferential gap and the second circumferential gap to maintain the offset orientation.Type: GrantFiled: May 11, 2023Date of Patent: March 11, 2025Assignee: Mahle International GmbHInventors: Petru M. Berghian, Fabio Mendes de Araujo
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Patent number: 12241467Abstract: An electric compressor includes a housing, a refrigerant inlet port, a refrigerant outlet port, an inverter module, a motor, a drive shaft, a cylindrical sleeve, and a compression device. The refrigerant inlet port is coupled to the housing and configured to introduce the refrigerant to an intake volume. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit a discharge volume. The inverter module is adapted to convert direct current electrical power to alternating current electrical power. The motor is mounted inside the housing. The cylindrical sleeve has a tubular side wall and a top cover defining an interior cavity. The interior cavity has an open end. The cylindrical sleeve is configured to receive the motor therein and constrain the motor within interior cavity.Type: GrantFiled: December 29, 2022Date of Patent: March 4, 2025Assignee: MAHLE INTERNATIONAL GMBHInventors: Tyler Smith, Brett Bowman
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Patent number: 12241439Abstract: A fuel filter element, which may be selectively arranged in a filter housing and may separate in the filter housing an untreated space communicating with an inlet and a return line of the housing from a treated space communicating with an outlet of the housing, may include at least one end disk, and at least one closure element, which in an operationally ready state of the fuel filter may close off the return line. The closure element may protrude eccentrically axially away from the at least one end disk. The closure element may have a seal on a surrounding surface and that, in the operationally ready state, may be in contact with a surface of the return line. In the operationally ready state, a portion of the closure element may be located in a filter chamber of the filter housing and another portion of the closure element may be located in the return line.Type: GrantFiled: March 8, 2022Date of Patent: March 4, 2025Assignee: Mahle International GmbHInventor: Michael Braunheim
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Patent number: 12240311Abstract: A motor vehicle battery for a motor vehicle is disclosed. The motor vehicle battery includes a one-piece holder including a plurality of holding portions connected to one another via a bending portion of the holder. The bending portion upon a force introduction at the plurality of holding portions permits a bending of at least one of the plurality of holding portions about a bending axis of the bending portion.Type: GrantFiled: May 25, 2022Date of Patent: March 4, 2025Assignee: Mahle International GmbHInventors: Thomas Eichinger, Tilman Kaiser, Georg Votteler
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Patent number: 12230971Abstract: An electromagnetic induction charging device for an inductive, in particular contactless, charging of an at least partially electrified motor vehicle with electrical energy, with a housing, formed in a pot-like manner, which comprises a pot base and a pot collar, wherein the pot collar facing away from the pot base surrounds a pot opening, and with a thermally conductive cover which covers the pot opening and with an electromagnetic resonator arranged in the housing interior, wherein the housing includes a thermal insulation which is arranged at the pot collar and at the pot base for the thermal insulating of the housing interior with respect to the external environment.Type: GrantFiled: November 30, 2021Date of Patent: February 18, 2025Assignee: Mahle International GmbHInventors: Christopher Laemmle, Holger Schroth
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Patent number: 12215783Abstract: A friction brake for a vehicle power shift transmission is disclosed. The friction brake includes a load gear that is rotatably driveable about a centre longitudinal. A friction braking device is provided for decelerating and/or fixing the load gear. An actuating device for actuating the friction braking device, the actuating device includes an moveable spreading piston. The moveable spreading piston while performing a spread along the centre longitudinal axis automatically materialising as a function of a load torque provided on the load gear, provides a braking force for actuating the friction braking device.Type: GrantFiled: April 13, 2023Date of Patent: February 4, 2025Assignee: Mahle International GmbHInventor: Christian Wirth
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Patent number: 12214646Abstract: A cooling system for a vehicle may include a cooling circuit through which a coolant is flowable. The cooling circuit may include a first heat source, a first radiator, a second heat source, a second radiator, and a hydraulic switch. The first heat source may be coolable at a lower temperature level. The second heat source may be coolable at a higher temperature level. The first heat source, the first radiator, the second heat source, and the second radiator may be connected in series with one another in the cooling circuit. The hydraulic switch may divide the cooling circuit into (i) a first partial circuit with the first heat source and the first radiator and (ii) a second partial circuit with the second heat source and the second radiator.Type: GrantFiled: December 19, 2022Date of Patent: February 4, 2025Assignee: Mahle International GmbHInventors: Richard Bruemmer, Gunther Hentschel, Rainer Lutz, Thomas Strauss
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Patent number: 12209611Abstract: A bearing material may include a matrix of polyamide-imide polymer material, and a solid lubricant particulate. The solid lubricant particulate may have a median particle size of less than 1 micrometre.Type: GrantFiled: September 23, 2021Date of Patent: January 28, 2025Assignees: Mahle International GmbH, Mahle Engine Systems UK LtdInventor: Jennifer Harvey
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Patent number: 12208699Abstract: A heat exchanger for an inductive charging device of a motor vehicle may include two separate bases and a flow conducting assembly. The two bases may be connected permanently to one another to form a one-piece heat exchanger housing and a flow channel through which a flow path for a heat exchanger fluid extends. The flow channel may have, along the flow path, a plurality of channel passages through which the heat exchanger fluid is flowable in succession. The plurality of channel passages may each have a free flow cross-section oriented transversely to the flow path. The flow cross-section of a plurality of first channel passages may be flatter than the flow cross-section of a plurality of second channel passages. The flow conducting assembly may be inserted completely into the flow channel. The two bases may be composed of a metallic material.Type: GrantFiled: July 19, 2021Date of Patent: January 28, 2025Assignee: Mahle International GmbHInventor: Manuel Wehowski
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Patent number: 12203470Abstract: An electric compressor includes a housing, refrigerant inlet port, a refrigerant outlet port, an inverter section, a motor section, a compression device and a front cover. The housing defines an intake volume and a discharge volume. The refrigerant inlet port is coupled to the housing and is configured to introduce the refrigerant to the intake volume. The compression device is a scroll-type compression device having an orbiting scroll and configured to compress the refrigerant. The refrigerant outlet port is coupled to the housing and is configured to allow compressed refrigerant to exit the scroll-type electric compressor from the discharge volume. The electric compressor further including an isolation and constraint system to isolate the housing from the orbiting scroll.Type: GrantFiled: December 15, 2023Date of Patent: January 21, 2025Assignee: MAHLE INTERNATIONAL GMBHInventor: Brent Haseley
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Patent number: 12206306Abstract: An electrical machine may include a rotor rotatable about an axis of rotation, by way of which an axial direction of the electrical machine may be defined, a stator having electrically conductive stator windings, and at least one cooling channel through which a coolant may be flowable for cooling the stator windings. The stator may have stator teeth extending along the axial direction, arranged spaced apart from another along a circumferential direction of the rotor, and bearing the stator windings. The at least one cooling channel and at least one stator winding may be arranged in at least one intermediate space formed between two stator teeth adjacent in the circumferential direction. A plastic for transferring heat from the at least one stator winding to the at least one cooling channel may be arranged in the at least one intermediate space.Type: GrantFiled: November 17, 2019Date of Patent: January 21, 2025Assignee: MAHLE INTERNATIONAL GMBHInventors: Roberto Almeida E Silva, Bernd Blankenbach, Terry Cox, Philip Grabherr, Niklas Kull, Tim Male, Peter Pisek, Peter Sever, Josef Sonntag, Martin Williams
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Patent number: 12199481Abstract: An externally excited electric synchronous machine may include a machine rotor, a machine stator, and a signal transmission device for contactless transmission of an operating signal corresponding to a DC voltage to the machine stator. The machine rotor may include a rotor shaft and a machine rotor coil. The machine rotor coil may be supplied with DC voltage and may provide a magnetic rotor field. The machine stator may include a machine stator coil that is fixed relative to the machine stator. The machine stator coil may provide a magnetic stator field, which may interact with the magnetic rotor field such that the machine rotor rotates. The signal transmission device may include (i) on the machine rotor, a signal coil connected in series with the machine rotor coil and (ii) on the machine stator, a magnetic field sensor that detects a magnetic field provided via the signal coil.Type: GrantFiled: October 20, 2022Date of Patent: January 14, 2025Assignee: Mahle International GmbHInventors: Guanqun Chen, Penyo Topalov, Philipp Zimmerschied
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Patent number: 12196506Abstract: A heat exchanger including a tube/rib block made up of tubes and ribs, the tubes forming fluid channels for conducting a first fluid, in particular a refrigerant, and the ribs arranged between the tubes forming a second fluid channel for conducting a second fluid, such as, in particular, air, which flows around the tubes, a collector being arranged at at least one end of the tube/rib block, which communicates with the fluid channels of the tubes, the at least one collector being provided with a plate-type design and including at least one base plate and a cover plate, which are stacked and soldered in a sealed manner, a spacer for spacing the base plate at a distance from the cover plate and for distributing the first fluid in the collector being provided.Type: GrantFiled: August 9, 2022Date of Patent: January 14, 2025Assignee: Mahle International GmbHInventors: Benjamin Nothdurft, Uwe Foerster, Martin Sievers, Gottfried Duerr, Patrick Walz, Nikolaj Bittner
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Patent number: 12190654Abstract: The present disclosure provides systems and methods for remote vehicle diagnostics. The remote vehicle diagnostics are obtained based on a vehicle identification number for a vehicle connected to an electrical connector of a vehicle diagnostic system host device. A vehicle electronic configuration file is provided to the host device to control access to one or more vehicle control modules.Type: GrantFiled: May 11, 2021Date of Patent: January 7, 2025Assignee: MAHLE International GmbHInventors: Louis Bolt, Charles Kinkade, Dustin Hoskins, Chris Palmer
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Patent number: 12191538Abstract: A cooler passivation process for a coolant cooler of a cooler device mounted in a motor vehicle A cooler device with a coolant cooler is provided, the latter having at least one aluminum cooling channel with a cooler surface provided with flux. The cooler device is provided in a motor vehicle and is then put into operation with at least one fuel cell of the motor vehicle. In order to form a passivation layer on the coolant cooler, according to the invention a previously provided aqueous passivation solution is formed from passivation layer forming material and fuel cell wastewater is applied to the cooler surface, provided with the flux, of the at least one aluminum cooling channel, the passivation solution reacting with the cooler surface, provided with the flux, of the at least one aluminum cooling channel while thermal energy provided by the coolant cooler is supplied, forming a passivation layer.Type: GrantFiled: July 12, 2022Date of Patent: January 7, 2025Assignee: MAHLE INTERNATIONAL GMBHInventors: Richard Brümmer, Peter Englert, Matthias Pfitzer, Thomas Strauss
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Patent number: 12183505Abstract: An electrical rotary transformer for inductive energy transmission may include a rotary transformer stator, a rotary transformer rotor rotatable relative to the rotary transformer stator, and a capacitive coupler for capacitive electrical signal transmission between the rotary transformer stator and the rotary transformer rotor. The rotary transformer stator may include a primary coil. The rotary transformer rotor may include a secondary coil inductively couplable to the primary coil. The capacitive coupler may be partly formed on the rotary transformer stator and the rotary transformer rotor. The capacitive coupler may include two plate capacitors that may each include a first and a second plate element. The two first plate elements may be arranged on the stator. The two second plate elements may be arranged on the rotary transformer rotor. The first plate element and the second plate element of each plate capacitor may be disposed opposite one another for capacitive coupling.Type: GrantFiled: October 21, 2022Date of Patent: December 31, 2024Assignee: Mahle International GmbHInventors: Penyo Topalov, Philipp Zimmerschied
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Patent number: 12184127Abstract: An expansion valve for at least one of an air conditioning system, a battery cooler, and an oil cooler of a motor vehicle is disclosed. The expansion valve includes a housing, a sensor, a stepping motor or a brushless DC (BLDC) motor, a valve seat, and a valve body interacting with the valve seat. The stepping motor or the BLDC motor includes a rotor and a stator surrounding the rotor. The rotor includes a shaft and a permanent magnet body that is connected to the shaft in a rotationally fixed manner. The sensor is structured and arranged to detect at least one of an axial position and an angle of rotation of the permanent magnet body.Type: GrantFiled: April 29, 2020Date of Patent: December 31, 2024Assignee: Mahle International GmbHInventors: Christoph P. Moser, Werner Schadler, Mario Wetzl
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Patent number: 12181101Abstract: A system for a motor vehicle may include a reservoir, a plurality of lubricant paths extending through the reservoir, a plurality of coolant paths extending through the reservoir, a plurality of delivery devices attached to the reservoir, and a plurality of coolers attached to the reservoir. The reservoir may include two sumps for lubricant. The reservoir may include (i) a plurality of reservoir lubricant inlet connections and a plurality of reservoir lubricant outlet connections through which the lubricant paths extend, (ii) a plurality of reservoir coolant inlet connections and a plurality of reservoir coolant outlet connections through which the coolant paths extend, (iii) a plurality of fluidic pump connections fluidically connected to the plurality of delivery devices, and (iv) a plurality of reservoir lubricant outlets, a plurality of reservoir lubricant inlets, a plurality of reservoir coolant outlets, and a plurality of reservoir coolant inlets fluidically connected to the coolers.Type: GrantFiled: January 20, 2023Date of Patent: December 31, 2024Assignee: Mahle International GmbHInventors: Stefan Jauss, Hans-Martin Ruppert, Josef Rutha, Kai-Torsten Schmiedl