Patents by Inventor Predrag HRNJAK
Predrag HRNJAK 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: 10976084Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels.Type: GrantFiled: September 5, 2018Date of Patent: April 13, 2021Assignee: AUDI AGInventors: Hans Hammer, Predrag Hrnjak, Andrew Musser, Stefan Elbel, Hui Zhao
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Patent number: 10895410Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided, wherein, as a first flat tube, the evaporator flat tube is a constituent part of a first evaporator tube set which guides the refrigerant from the bottom-side inlet chamber counter to the direction of gravity into an upper-side deflecting chamber, and wherein the refrigerant is guidedType: GrantFiled: September 5, 2018Date of Patent: January 19, 2021Assignee: AUDI AGInventors: Hans Hammer, Predrag Hrnjak, Andrew Musser, Stefan Elbel, Matej Visek
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Patent number: 10760835Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, wherein at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided.Type: GrantFiled: September 5, 2018Date of Patent: September 1, 2020Assignee: AUDI AGInventors: Hans Hammer, Predrag Hrnjak, Andrew Musser, Stefan Elbel, Jing Che
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Patent number: 10760833Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes. The separator has a distributor tube which extends in the inlet chamber in the evaporator transverse direction.Type: GrantFiled: September 5, 2018Date of Patent: September 1, 2020Assignee: AUDI AGInventors: Hans Hammer, Predrag Hrnjak, Andrew Musser, Stefan Elbel
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Patent number: 10760834Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels.Type: GrantFiled: September 5, 2018Date of Patent: September 1, 2020Assignee: AUDI AGInventors: Hans Hammer, Predrag Hrnjak, Andrew Musser, Stefan Elbel, Wesley Schell
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Publication number: 20200072512Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided, wherein, as a first flat tube, the evaporator flat tube is a constituent part of a first evaporator tube set which guides the refrigerant from the bottom-side inlet chamber counter to the direction of gravity into an upper-side deflecting chamber, and wherein the refrigerant is guidedType: ApplicationFiled: September 5, 2018Publication date: March 5, 2020Applicant: AUDI AGInventors: Hans HAMMER, Predrag HRNJAK, Andrew MUSSER, Stefan ELBEL, Matej VISEK
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Publication number: 20200072515Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, wherein at least one evaporator tube being a flat tube with a plurality of micro-channels, through which the refrigerant is guided.Type: ApplicationFiled: September 5, 2018Publication date: March 5, 2020Applicant: AUDI AGInventors: Hans HAMMER, Predrag HRNJAK, Andrew MUSSER, Stefan ELBEL, Jing CHE
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Publication number: 20200072514Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels.Type: ApplicationFiled: September 5, 2018Publication date: March 5, 2020Applicant: AUDI AGInventors: Hans HAMMER, Predrag HRNJAK, Andrew MUSSER, Stefan ELBEL, Wesley SCHELL
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Publication number: 20200072511Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes, to be precise at least one evaporator tube being a flat tube with a plurality of micro-channels.Type: ApplicationFiled: September 5, 2018Publication date: March 5, 2020Applicant: AUDI AGInventors: Hans HAMMER, Predrag HRNJAK, Andrew MUSSER, Stefan ELBEL, Hui ZHAO
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Publication number: 20200072513Abstract: An evaporator in a refrigerant circuit, having a bottom-side inlet chamber which is connected in flow terms to an evaporator outlet side via evaporator tubes, a separator being integrated into the evaporator inlet chamber, in which separator a refrigerant which is expanded in an expansion member is divided as a two-phase liquid/vapour mixture into a vapour phase and into a liquid phase which is separate therefrom, the vapour phase being conducted via a bypass line to the evaporator outlet side, and the liquid phase being conducted counter to the direction of gravity into the evaporator tubes. The separator has a distributor tube which extends in the inlet chamber in the evaporator transverse direction.Type: ApplicationFiled: September 5, 2018Publication date: March 5, 2020Applicant: AUDI AGInventors: Hans HAMMER, Predrag HRNJAK, Andrew MUSSER, Stefan ELBEL