Patents by Inventor Tilo Schäfer
Tilo Schäfer 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: 20230392699Abstract: A device for regulating a flow and distributing a fluid in a fluid circuit. The device has a housing with port elements and at least two disc elements, which are each formed with at least one passage opening. The disc elements are arranged at a distance from each other in a direction of a longitudinal axis of the device. A valve body, which has at least one passage opening, is formed between the disc elements. The at least one passage opening of the disc elements and the at least one passage opening of the valve body each are formed with the arrangement of the valve body relative to the disc elements and to the housing to control at least one flow cross section of a flow path through the housing with the port elements and through the disc elements and the valve body.Type: ApplicationFiled: November 3, 2021Publication date: December 7, 2023Inventors: Jan Hinrichs, Tilo Schäfer
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Patent number: 11781662Abstract: A multi-port, rotary actuated valve assembly for controlling fluid flow in a vehicle is provided, which includes a valve housing defining a puck-receiving cavity. A puck is positioned within the puck-receiving cavity and is rotatable therein. The puck has a plurality of chambers that interconnect different combinations of ports provided in the valve housing depending on the rotational position of the puck. The chambers in the puck include at least a first chamber and a second chamber, each of which include a chamber opening on the distal end of the puck. The opening to the first chamber on the distal end of the puck is radially inboard of the opening to the second chamber such that at least two separate and parallel fluid flow paths are provided on the distal end of the puck along which fluid may enter or exit the first and second chambers, respectively.Type: GrantFiled: December 23, 2021Date of Patent: October 10, 2023Assignees: HANON SYSTEMS EFP DEUTSCHLAND GMBH, Hanon Systems EFP Canada Ltd.Inventors: Tilo Schäfer, Jan Hinrichs, Michael Krug, Dean Bajlon, Frants Selimov
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Patent number: 11703049Abstract: A gerotor pump having an inner rotor and an outer rotor, which is also the rotor of an electric drive, having a housing and a flange which closes the housing with the motor compartment, the rotor being arranged on a shaft and sealing against the flange at a gap, wherein, in addition to the gap, there is at least one device with which at least a partial pressure compensation takes place between the suction region of the gerotor pump and the motor compartment of the gerotor pump.Type: GrantFiled: July 15, 2022Date of Patent: July 18, 2023Assignee: Hanon Systems Bad Homburg GmbHInventors: Tilo Schaefer, Uwe Becker, Bernd Denfeld
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Publication number: 20220381354Abstract: A multi-port, rotary actuated valve assembly for controlling fluid flow in a vehicle is provided, which includes a valve housing defining a puck-receiving cavity. A puck is positioned within the puck-receiving cavity and is rotatable therein. The puck has a plurality of chambers that interconnect different combinations of ports provided in the valve housing depending on the rotational position of the puck. The chambers in the puck include at least a first chamber and a second chamber, each of which include a chamber opening on the distal end of the puck. The opening to the first chamber on the distal end of the puck is radially inboard of the opening to the second chamber such that at least two separate and parallel fluid flow paths are provided on the distal end of the puck along which fluid may enter or exit the first and second chambers, respectively.Type: ApplicationFiled: December 23, 2021Publication date: December 1, 2022Inventors: Tilo SCHÄFER, Jan HINRICHS, Michael KRUG, Dean BAJLON, Frants SELIMOV
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Patent number: 11499548Abstract: Gerotor pump comprising an inner gerotor and an outer gerotor and an electric motor in a pump housing, and the outer gerotor is formed integrally with the rotor of the electric motor, wherein magnets are integrated into the outer gerotor, and the rotor is rotatably mounted on a shaft that is fixed on one side to a housing or a housing base of the pump housing.Type: GrantFiled: December 10, 2018Date of Patent: November 15, 2022Assignee: HANON SYSTEMS EFP DEUTSCHLAND GMBHInventors: Jan Hinrichs, Tilo Schäfer, Bernd Denfeld
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Publication number: 20220349401Abstract: A gerotor pump having an inner rotor and an outer rotor, which is also the rotor of an electric drive, having a housing and a flange which closes the housing with the motor compartment, the rotor being arranged on a shaft and sealing against the flange at a gap, wherein, in addition to the gap, there is at least one device with which at least a partial pressure compensation takes place between the suction region of the gerotor pump and the motor compartment of the gerotor pump.Type: ApplicationFiled: July 15, 2022Publication date: November 3, 2022Inventors: Tilo SCHAEFER, Uwe BECKER, Bernd DENFELD
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Patent number: 11428221Abstract: A gerotor pump having an inner rotor and an outer rotor, which is also the rotor of an electric drive, having a housing and a flange which closes the housing with the motor compartment, the rotor being arranged on a shaft and sealing against the flange at a gap, wherein, in addition to the gap, there is at least one device with which at least a partial pressure compensation takes place between the suction region of the gerotor pump and the motor compartment of the gerotor pump.Type: GrantFiled: September 13, 2019Date of Patent: August 30, 2022Assignee: Hanon Systems Bad Homburg GmbHInventors: Tilo Schaefer, Uwe Becker, Bernd Denfeld
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Publication number: 20210222692Abstract: Gerotor pump comprising an inner gerotor and an outer gerotor and an electric motor in a pump housing, and the outer gerotor is formed integrally with the rotor of the electric motor, wherein magnets are integrated into the outer gerotor, and the rotor is rotatably mounted on a shaft that is fixed on one side to a housing or a housing base of the pump housing.Type: ApplicationFiled: December 10, 2018Publication date: July 22, 2021Inventors: Jan HINRICHS, Tilo SCHÄFER, Bernd DENFELD
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Publication number: 20200088191Abstract: A gerotor pump having an inner rotor and an outer rotor, which is also the rotor of an electric drive, having a housing and a flange which closes the housing with the motor compartment, the rotor being arranged on a shaft and sealing against the flange at a gap, wherein, in addition to the gap, there is at least one device with which at least a partial pressure compensation takes place between the suction region of the gerotor pump and the motor compartment of the gerotor pump.Type: ApplicationFiled: September 13, 2019Publication date: March 19, 2020Inventors: Tilo SCHAEFER, Uwe BECKER, Bernd DENFELD
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Patent number: 10024587Abstract: An evaporator heat exchanger unit for a heating cooling module for a motor vehicle is disclosed. In one aspect, the evaporator heat exchanger unit includes at least one collector expansion tank for collecting a refrigerant and one evaporator, by which at least a part of the refrigerant can be converted into gaseous form. The evaporator heat exchanger unit also includes a housing enclosing an inner chamber, wherein in the inner chamber, the collector expansion tank, the evaporator, and a cooling medium are arranged, and wherein an expansion organ is arranged on the housing, by which the refrigerant is supplied to the evaporator.Type: GrantFiled: February 27, 2014Date of Patent: July 17, 2018Assignee: MAGNA POWERTRAIN BAD HOMBURG GMBHInventors: Tilo Schaefer, Gholam Reza Zakeri
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Patent number: 9551516Abstract: The invention relates to a compressor-heat exchanger unit for a heating-cooling module for a motor vehicle, in which at least one fluid serving as a coolant flows, comprising a compressor device for compressing the first fluid, at least one heat exchanger device that has at least one first circuit for the first fluid to flow through and a second circuit for a second fluid to flow through, this heat exchanger unit being arranged in the fluid stream after the compressor device, characterized in that the first fluid is guided at least partially in flow channels of the first circuit that at least partially enclose the compressor device.Type: GrantFiled: January 10, 2013Date of Patent: January 24, 2017Assignee: Magna Powertrain Bad Homburg GmbHInventors: Uwe Becker, Jens Dittmar, Tilo Schaefer, Gholam Reza Zakeri
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Publication number: 20160204662Abstract: A brushless electric motor with an outer rotor on which permanent magnet elements are arranged, and a stator which has electromagnetic stator poles, wherein the electromagnetic stator poles each have a pole foot, a pole tooth and a pole shoe made of iron materials, and with an insulation layer about the iron elements of the stator poles, and with an electric coil winding which is arranged on the insulation layer, characterized in that the pole shoes have in cross section a free-form rounded portion, preferably in the direction of their end regions, and become narrower running away outward toward the ends at an angle >90° with respect to the pole tooth on the underside of the pole shoe at the location where the insulation layer is applied, wherein the insulation layer on the pole shoe extends on the surface for the coil winding receptacle, that is to say on the basically opposite surface of the insulation layer on the pole shoe, at a right angle with respect to the pole tooth.Type: ApplicationFiled: August 26, 2014Publication date: July 14, 2016Inventors: Elmar Hoppach, Tilo Schaefer
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Publication number: 20150013353Abstract: The invention relates to a compressor-heat exchanger unit for a heating-cooling module for a motor vehicle, in which at least one fluid serving as a coolant flows, comprising a compressor device for compressing the first fluid, at least one heat exchanger device that has at least one first circuit for the first fluid to flow through and a second circuit for a second fluid to flow through, this heat exchanger unit being arranged in the fluid stream after the compressor device, characterised in that the first fluid is guided at least partially in flow channels of the first circuit that at least partially enclose the compressor device.Type: ApplicationFiled: January 10, 2013Publication date: January 15, 2015Inventors: Uwe Becker, Jens Dittmar, Tilo Schaefer, Gholam Reza Zakeri
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Publication number: 20140174120Abstract: An evaporator heat exchanger unit for a heating cooling module for a motor vehicle is disclosed. In one aspect, the evaporator heat exchanger unit includes at least one collector expansion tank for collecting a refrigerant and one evaporator, by which at least a part of the refrigerant can be converted into gaseous form. The evaporator heat exchanger unit also includes a housing enclosing an inner chamber, wherein in the inner chamber, the collector expansion tank, the evaporator, and a cooling medium are arranged, and wherein an expansion organ is arranged on the housing, by which the refrigerant is supplied to the evaporator.Type: ApplicationFiled: February 27, 2014Publication date: June 26, 2014Applicant: Magna Powertrain Bad Homburg GmbHInventors: Tilo Schaefer, Gholam Reza Zakeri
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Patent number: 8747077Abstract: A reciprocating piston machine includes a drive shaft having a central axis, a driving element rigidly connected to the drive shaft and extending essentially perpendicular to the central axis, a guide sleeve enclosing the drive shaft and axially displaceable thereon, and a spring element for applying a force to the guide sleeve and which on the one hand is supported on the guide sleeve and which on the other hand introduces forces into the drive shaft. Forces from the spring element are indirectly introduced into the drive shaft.Type: GrantFiled: February 20, 2009Date of Patent: June 10, 2014Assignee: ixetic MAC GmbHInventors: Jan Hinrichs, Tilo Schäfer
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Patent number: 8621977Abstract: A reciprocating piston engine, particularly a coolant compressor for motor vehicles, includes at least one piston movably supported in a cylinder. A pivot element in the form of a pivot ring is supported on a guide body attached to a shaft in an axially movable fashion such that the pivot element can execute a pivot motion. The pivot motion causes movement of the at least one piston. Spring forces of at least one return spring act on the pivot element in the direction of a start position in which the pivot element is pivoted at a starting pivot angle to a plane on which the rotary axis of the shaft stands upright. At least one further spring element acts on the return spring with an initial tension when the pivot element is in the start position.Type: GrantFiled: May 20, 2008Date of Patent: January 7, 2014Assignee: IXETIC MAC GmbHInventors: Frank Sieber, Tilo Schäfer, Jan Hinrichs
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Publication number: 20130146271Abstract: The proposal is for a heating/cooling device for vehicles, in particular motor vehicles with electric drive, having a refrigerant circuit, which comprises a compressor (3), a gas cooler (5), an evaporator (7) and an expansion valve arranged between the gas cooler (5) and the evaporator (7). The heating/cooling device is characterized in that the gas cooler (5) interacts with a first liquid coolant circuit (9), and the evaporator (7) interacts with a second liquid coolant circuit (11), wherein an interior heat exchanger (17) can be assigned to the first or the second liquid coolant circuit (9, 11), and wherein an external-air heat exchanger (19) can be assigned to the first or the second liquid coolant circuit (9, 11).Type: ApplicationFiled: August 16, 2011Publication date: June 13, 2013Inventors: Tilo Schäfer, Stefan Schüssler, Uwe Becker
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Publication number: 20130145790Abstract: A heating/cooling device (1) is proposed for vehicles, in particular motor vehicles, with a compressor (3), a refrigerant circuit (5), a gas cooler (7), an evaporator (9), and with an expansion valve (37) arranged between the gas cooler (7) and evaporator (9) in the refrigerant circuit (5). The heating/cooling device (1) is distinguished in that the gas cooler (7) or the evaporator (9) is coupled with a liquid coolant circuit (13, 23) which cooperates with an interior heat exchanger (19) or an external air heat exchanger (27), or that the gas cooler (7) and the evaporator (9) are each coupled with an its own liquid coolant circuit (13, 23), wherein one of the liquid coolant circuits (13, 23) cooperates with the interior heat exchanger (19) and the other liquid coolant circuit (23, 13) cooperates with the external air heat exchanger (27).Type: ApplicationFiled: August 16, 2011Publication date: June 13, 2013Inventors: Tilo Schäfer, Stefan Schüssler, Willi Parsch
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Patent number: 8353680Abstract: A stroke-adjustable air conditioning compressor, in particular for motor vehicles, including a drive mechanism for pistons that move back and forth, the pistons being driven by an adjusting plate, such as a pivoting plate, pivoting ring or swash plate at an adjustable pivoting angle. The position of the pivoting angle is influenced inter alia by compressive forces, inertial forces and elastic forces that are active in the drive mechanism.Type: GrantFiled: March 7, 2008Date of Patent: January 15, 2013Assignee: ixetic MAC GmbHInventors: Tilo Schaefer, Thomas Di Vito
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Patent number: 7874309Abstract: The invention relates to a compressor, particularly for air conditioners in motor vehicles, comprising a safety device for limiting high pressure, whereby the safety device is hermetically sealed until first responding, after which it slowly reduces the system pressure.Type: GrantFiled: October 31, 2003Date of Patent: January 25, 2011Assignee: Luk Fahrzeug-Hydraulik GmbH & Co. KGInventors: Tilo Schaefer, Georg Weber, Thomas Di Vito, Jan Hinrichs, Uwe Becker, Willi Parsch, Bjoern Fagerli