Patents by Inventor Joern Froehling
Joern Froehling 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: 20240175438Abstract: A device for cooling a fluid to be compressed in a compressor, in particular a refrigerant, with a heat carrier fluid. The device has at least one first flow channel for guiding the fluid, at least one second flow channel for guiding the heat carrier fluid and an inlet and an outlet for the heat carrier fluid.Type: ApplicationFiled: May 24, 2022Publication date: May 30, 2024Inventors: Felix Girmscheid, Jörn Fröhling, Florian Bieregger
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Publication number: 20220307500Abstract: A compressor module for a refrigerant circuit of a motor vehicle air-conditioning system, exhibiting a modular multi-part housing with a low-pressure refrigerant inlet, a high-pressure refrigerant outlet and a compressor, characterized in that an inner heat exchanger of the refrigerant circuit is produced such that it is integrated into the compressor module, wherein the housing of the compressor module fully encloses the inner heat exchanger.Type: ApplicationFiled: August 26, 2020Publication date: September 29, 2022Inventors: Toni Spies, Philipp Kozalla, Roman Heckt, Thomas Klotten, Jörn Fröhling, Torsten Gehm, Stephan Köster, Felix Girmscheid
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Patent number: 10989042Abstract: Systems and methods to cover sensitive areas of downhole tools including a downhole tool having an outer surface including a first position and a second position on the outer surface of the downhole tool, the outer surface having a sensitive area, a downhole sensitive element positioned along the outer surface of the downhole tool at the sensitive area, a movable cover operatively connected to the downhole tool and movable relative to the sensitive area, a control unit configured to generate an activation signal, and an activation mechanism operable in response to the activation signal, the activation mechanism configured to move the movable cover relative to the sensitive area from the first position to the second position, wherein the movement of the movable cover from the first position to the second position one of increases or decreases a portion of the sensitive area covered by the movable cover.Type: GrantFiled: November 22, 2017Date of Patent: April 27, 2021Assignee: BAKER HUGHES, A GE COMPANY, LLCInventors: Marco Lallemand, Stephan Bernard, Joern Froehling, Marcus Dissen, Kevin Krueger
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Patent number: 10962265Abstract: An expansion and isolation valve, specifically an electric expansion and isolation valve for operation with the coolant R744, featuring a valve body arranged in a valve body chamber, a seal seat, and a seal, which are arranged along an axial movement direction of the valve body in the expansion valve. The expansion valve is further designed such that in a closed state of the expansion valve, there is a pressure bypass to the valve body chamber, and preferentially, that a valve body diameter at the positions of the seal seat and the seal corresponds with the respective seal diameters.Type: GrantFiled: November 7, 2017Date of Patent: March 30, 2021Assignee: HANON SYSTEMSInventors: Dominik Wiechard, Andreas Capelle, Markus Herzog, Matthias Herpers, Jörn Fröhling, Marco Favara
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Patent number: 10787061Abstract: An air conditioning system of a motor vehicle with a refrigerant circuit for operation in a refrigerator mode and a heat pump mode. The refrigerant circuit includes a primary circuit with a compressor, a heat exchanger for heat transfer between the refrigerant and the surroundings, an expansion element and a heat exchanger for heat transfer from the intake air being conditioned for the passenger compartment to the refrigerant, and a first flow path. The flow path extends from a branching point between the compressor and the heat exchanger to an opening and includes a heat exchanger for heat transfer from the refrigerant to the intake air being conditioned for the passenger compartment. The heat exchanger is situated in a flow direction of intake air of the passenger compartment after the heat exchanger.Type: GrantFiled: December 19, 2016Date of Patent: September 29, 2020Assignee: HANON SYSTEMSInventors: Navid Durrani, Marc Graaf, Christoph Bara, Jörn Fröhling
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Patent number: 10774615Abstract: An apparatus for controlling fluid flow in a wellbore may include a valve disposed along a drill string. The valve includes a valve body having an internal chamber, a plurality of ports formed in the valve body, a ball disposed in the internal chamber, and an actuator operatively connected to the ball. The ball includes at least one flow bore. The actuator shifts the ball into at least a first position wherein the flow bore is in fluid communication with at least two of the plurality of ports, and a second position wherein the flow bore is isolated from at least one of the plurality of ports. A related method includes conveying a drill string having the above-described valve along the wellbore and controlling a flow of fluid by shifting the ball using the actuator.Type: GrantFiled: August 30, 2016Date of Patent: September 15, 2020Assignee: BAKER HUGHES HOLDINGS LLCInventor: Joern Froehling
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Publication number: 20190153852Abstract: Systems and methods to cover sensitive areas of downhole tools including a downhole tool having an outer surface including a first position and a second position on the outer surface of the downhole tool, the outer surface having a sensitive area, a downhole sensitive element positioned along the outer surface of the downhole tool at the sensitive area, a movable cover operatively connected to the downhole tool and movable relative to the sensitive area, a control unit configured to generate an activation signal, and an activation mechanism operable in response to the activation signal, the activation mechanism configured to move the movable cover relative to the sensitive area from the first position to the second position, wherein the movement of the movable cover from the first position to the second position one of increases or decreases a portion of the sensitive area covered by the movable cover.Type: ApplicationFiled: November 22, 2017Publication date: May 23, 2019Applicant: Baker Hughes, a GE company, LLCInventors: Marco Lallemand, Stephan Bernard, Joern Froehling, Marcus Dissen, Kevin Krueger
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Publication number: 20180135903Abstract: An expansion and isolation valve, specifically an electric expansion and isolation valve for operation with the coolant R744, featuring a valve body arranged in a valve body chamber, a seal seat, and a seal, which are arranged along an axial movement direction of the valve body in the expansion valve. The expansion valve is further designed such that in a closed state of the expansion valves, there is a pressure bypass to the valve body chamber, and preferentially, that a valve body diameter at the positions of the seal seat and the seal corresponds with the respective seal diameters.Type: ApplicationFiled: November 7, 2017Publication date: May 17, 2018Inventors: Dominik Wiechard, Andreas Capelle, Markus Herzog, Matthias Herpers, Jörn Fröhling, Marco Favara
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Patent number: 9963010Abstract: The invention relates to an air conditioning system for conditioning the air of a passenger compartment of a motor vehicle, including an outlet section for diverting at least a portion of an air-mass flow circulating in the air conditioning system into the environment of the motor vehicle, a housing for directing the air-mass flow, wherein at least one fan for conveying the air-mass flow is designed within the housing, as well as a coolant circuit for tempering components of the motor vehicle, in particular, components of a power train, having a coolant-air-heat exchanger for transferring heat from the coolant to an air-mass flow.Type: GrantFiled: April 8, 2015Date of Patent: May 8, 2018Assignee: HANON SYSTEMSInventors: Joern Froehling, Karl Schlesinger, Gerald Richter, Balthasar Schillemeit, Marc Graaf, Frank Schmitz, Roberto Della Rovere
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Publication number: 20180058176Abstract: An apparatus for controlling fluid flow in a wellbore may include a valve disposed along a drill string. The valve includes a valve body having an internal chamber, a plurality of ports formed in the valve body, a ball disposed in the internal chamber, and an actuator operatively connected to the ball. The ball includes at least one flow bore. The actuator shifts the ball into at least a first position wherein the flow bore is in fluid communication with at least two of the plurality of ports, and a second position wherein the flow bore is isolated from at least one of the plurality of ports. A related method includes conveying a drill string having the above-described valve along the wellbore and controlling a flow of fluid by shifting the ball using the actuator.Type: ApplicationFiled: August 30, 2016Publication date: March 1, 2018Applicant: BAKER HUGHES INCORPORATEDInventor: Joern FROEHLING
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Publication number: 20170182867Abstract: An air conditioning system of a motor vehicle with a refrigerant circuit for operation in a refrigerator mode and a heat pump mode. The refrigerant circuit includes a primary circuit with a compressor, a heat exchanger for heat transfer between the refrigerant and the surroundings, an expansion element and a heat exchanger for heat transfer from the intake air being conditioned for the passenger compartment to the refrigerant, and a first flow path. The flow path extends from a branching point between the compressor and the heat exchanger to an opening and includes a heat exchanger for heat transfer from the refrigerant to the intake air being conditioned for the passenger compartment. The heat exchanger is situated in a flow direction of intake air of the passenger compartment after the heat exchanger.Type: ApplicationFiled: December 19, 2016Publication date: June 29, 2017Inventors: Navid Durrani, Marc Graaf, Christoph Bara, Jörn Fröhling
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Publication number: 20150283876Abstract: The invention relates to an air conditioning system for conditioning the air of a passenger compartment of a motor vehicle, including an outlet section for diverting at least a portion of an air-mass flow circulating in the air conditioning system into the environment of the motor vehicle, a housing for directing the air-mass flow, wherein at least one fan for conveying the air-mass flow is designed within the housing, as well as a coolant circuit for tempering components of the motor vehicle, in particular, components of a power train, having a coolant-air-heat exchanger for transferring heat from the coolant to an air-mass flow.Type: ApplicationFiled: April 8, 2015Publication date: October 8, 2015Inventors: Joern Froehling, Karl Schlesinger, Gerald Richter, Balthasar Schillemeit, Marc Graaf, Frank Schmitz, Roberto Della Rovere
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Publication number: 20140331710Abstract: The invention relates to a compact vehicle HVAC system including an evaporator unit, a condenser unit, and a component unit, as well as a refrigerant circuit. The evaporator unit and the condenser unit each are provided with air-passed heat exchangers and a fan in a casing. Further circuit components are displaced within the component unit. The casings of the evaporator unit, the condenser unit, and the component unit advantageously establish a connected compact casing arrangement. The heat exchangers are displaced within the compact casing arrangement. The refrigerant circuit is established for a combined refrigeration plant and heat pump operation as well as an afterheating operation, whereby in the afterheating operational mode the heating power of the afterheater established as condenser/gas cooler and the cooling power of the evaporator are controllable independently of each other.Type: ApplicationFiled: July 25, 2014Publication date: November 13, 2014Inventors: Jörn Fröhling, Marc Graaf, Felix Girmscheid, Gerald Richter, Gerd Vondahlen, Florian Wieschollek, Tobias Haas
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Publication number: 20110036117Abstract: The invention relates to a compact vehicle HVAC system including an evaporator unit, a condenser unit, and a component unit, as well as a refrigerant circuit. The evaporator unit and the condenser unit each are provided with air-passed heat exchangers and a fan in a casing. Further circuit components are displaced within the component unit. The casings of the evaporator unit, the condenser unit, and the component unit advantageously establish a connected compact casing arrangement. The heat exchangers are displaced within the compact casing arrangement. The refrigerant circuit is established for a combined refrigeration plant and heat pump operation as well as an afterheating operation, whereby in the afterheating operational mode the heating power of the afterheater established as condenser/gas cooler and the cooling power of the evaporator are controllable independently of each other.Type: ApplicationFiled: August 4, 2010Publication date: February 17, 2011Applicant: VISTEON GLOBAL TECHNOLOGIES, INC.Inventors: Jörn Fröhling, Marc Graaf, Felix Girmscheid, Gerald Richter, Gerd Vondahlen, Florian Wieschollek, Tobias Haas
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Patent number: 7337834Abstract: The invention relates to a connection unit having a multi-channel heat exchanger with high-pressure channels and low-pressure channels and a connection element with a high-pressure reservoir and a low-pressure reservoir, both with a connection for connection. The axial end of the multi-channel heat exchanger is limited by a termination element that has axial passage holes for the high-pressure flow to the high-pressure reservoir. At the axial end of the multi-channel heat exchanger, in the region of the low-pressure reservoir, longitudinal slots are formed through which the low-pressure flow flows from the low-pressure channel to the low-pressure reservoir.Type: GrantFiled: January 30, 2004Date of Patent: March 4, 2008Assignee: Visteon Global Technologies, Inc.Inventors: Dragi Antonijevic, Jörn Fröhling
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Patent number: 7284394Abstract: The invention relates to an inner heat exchanger for high-pressure refrigerants which is also used as an accumulator or refrigerant collector in air conditioning circuits. The inner heat exchanger includes an outer cylinder arranged and an inner cylinder arranged therein. The inner cylinder is designed as a bent flat sheet or tube with microchannels for refrigerant under high pressure. The liquid refrigerant under low pressure is collectable within the inner cylinder. Between inner cylinder and outer cylinder are formed channels in which the vaporous refrigerant under low pressure flows from a low-pressure inlet to a low-pressure outlet.Type: GrantFiled: October 8, 2004Date of Patent: October 23, 2007Assignee: Visteon Global Technologies, Inc.Inventors: Peter Heyl, Joern Froehling
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Patent number: 7152668Abstract: The invention relates to a heat exchanger for vehicles. The heat exchanger includes a core provided with a row of spaced heat exchanger tubes, open at their ends, and at least one dosed container arranged in the tube end regions for the distribution of a medium flowing through the heat exchanger tubes. Each container includes a tube holding element and a container closure element, connected to each other in a sealed manner. The heat exchanger tubes are put through the tube holding element, connected to it and form spaces between each other. The container closure element is rigidly connected to at least one associated container comb, the teeth of which extend toward the heat exchanger core and are located within the container-interior at the spaces between the heat exchanger tubes and are in rigid connection to at least the tube holding element.Type: GrantFiled: January 7, 2005Date of Patent: December 26, 2006Assignee: Visteon Global Technologies, Inc.Inventors: Hanskarl Hoffmann, Jörn Fröhling, Dragi Antonijevic
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Patent number: 6969094Abstract: A tube coupling for the detachable coupling of tube line sections of a high-pressure tubing system. The tube coupling includes two coupling blocks held together by a clamping screw, whereby one of the coupling blocks has a coupling plug that engages a plug socket provided on the other coupling block. A sealing ring is formed of a plastically deformable material and is enclosed between a front face of the coupling plug and a bottom-side sealing surface of the plug socket. In order to protect the sealing ring from being lost, damages and/or contaminated during assembly or opening and dosing the coupling, in a preassembled condition it is enclosed within a protective socket. To homogeneously load the sealing ring, the sealing ring is located at one point of a supporting triangle, the two other supporting points of being formed by a pair of supporting surfaces arranged side by side at an outer end of side flanges of the coupling blocks.Type: GrantFiled: December 18, 2003Date of Patent: November 29, 2005Assignee: Visteon Global Technologies, Inc.Inventors: Jörn Fröhling, Stefan Sturm, Frank Obrist, Peter Kuhn, Stefan Kröss
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Publication number: 20050103046Abstract: The invention relates to an inner heat exchanger for high-pressure refrigerants which is also used as an accumulator or refrigerant collector in air conditioning circuits. The inner heat exchanger includes an outer cylinder arranged and an inner cylinder arranged therein. The inner cylinder is designed as a bent flat sheet or tube with microchannels for refrigerant under high pressure. The liquid refrigerant under low pressure is collectable within the inner cylinder. Between inner cylinder and outer cylinder are formed channels in which the vaporous refrigerant under low pressure flows from a low-pressure inlet to a low-pressure outlet.Type: ApplicationFiled: October 8, 2004Publication date: May 19, 2005Inventors: Peter Heyl, Joern Froehling
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Patent number: 6722147Abstract: A heat exchanger module includes a glycol coolant circuit adapted to function as a heat pump for the heating of the interior passenger compartment of the motor vehicle with a glycol/water mixture as the heat carrier, a refrigerant circuit, and a glycol/refrigerant heat exchanger positioned between and interconnecting the cooling circuit and the refrigerant circuit, wherein the glycol/refrigerant heat exchanger has integrated connection lines for heat transfer from the coolant circuit to the refrigerant circuit.Type: GrantFiled: August 19, 2002Date of Patent: April 20, 2004Assignee: Visteon Global Technologies, Inc.Inventors: Peter Heyl, Jörn Fröhling