Patents by Inventor Isak Lofgren
Isak Lofgren 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: 10330030Abstract: The present invention relates to a hybrid system comprising a supercharging system for an internal combustion engine (1), the hybrid system comprising: a charging device (6) with a turbine (7) connected to a compressor (8) via a compressor shaft (9), the compressor having a high speed shaft (30); a planetary gear (25) coupled between the high speed shaft (30) and an electric motor/generator (20); a clutch (18a); and a power transmission for connecting a crank shaft (4) of the combustion engine (1) to the electric motor/generator (20) via the clutch (18a); wherein the hybrid system further comprises a system control (23) configured to operate the hybrid system in different operating modes according to a control sequence based on one, or a plurality of, input parameters representative of operational properties of the hybrid system.Type: GrantFiled: January 9, 2017Date of Patent: June 25, 2019Assignee: KASI Technologies ABInventor: Isak Löfgren
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Patent number: 9797300Abstract: A supercharging system includes a charging device having a turbine and a compressor, the compressor having a high speed shaft; a planetary gear set coupled to the high speed shaft and an electric motor, or generator, via a low speed drive shaft; a clutch unit; a power transmission for connecting a crank shaft of the combustion engine to the drive shaft via the clutch unit; at least one sensor to measure at least one physical parameter of the exhaust gases inside, or after having passed, an exhaust gas catalyzer of the internal combustion engine, the at least one sensor being configured to provide an output signal representing a measured value of the at least one physical parameter; and a system control unit to receive the output signal and to control the speed or effect of the electric motor, or generator, based on the output signal. A method is also disclosed.Type: GrantFiled: March 20, 2014Date of Patent: October 24, 2017Assignee: KASI TECHNOLOGIES ABInventor: Isak Löfgren
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Publication number: 20170152801Abstract: The present invention relates to a hybrid system comprising a supercharging system for an internal combustion engine (1), the hybrid system comprising: a charging device (6) with a turbine (7) connected to a compressor (8) via a compressor shaft (9), the compressor having a high speed shaft (30); a planetary gear (25) coupled between the high speed shaft (30) and an electric motor/generator (20); a clutch (18a); and a power transmission for connecting a crank shaft (4) of the combustion engine (1) to the electric motor/generator (20) via the clutch (18a); wherein the hybrid system further comprises a system control (23) configured to operate the hybrid system in different operating modes according to a control sequence based on one, or a plurality of, input parameters representative of operational properties of the hybrid system.Type: ApplicationFiled: January 9, 2017Publication date: June 1, 2017Inventor: Isak LÖFGREN
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Patent number: 9567922Abstract: The present invention relates to a hybrid system comprising a supercharging system for an internal combustion engine (1), the hybrid system comprising: a charging device (6) with a turbine (7) connected to a compressor (8) via a compressor shaft (9), the compressor having a high speed shaft (30); a planetary gear (25) coupled between the high speed shaft (30) and an electric motor/generator (20); a clutch (18a); and a power transmission for connecting a crank shaft (4) of the combustion engine (1) to the electric motor/generator (20) via the clutch (18a); wherein the hybrid system further comprises a system control (23) configured to operate the hybrid system in different operating modes according to a control sequence based on one, or a plurality of, input parameters representative of operational properties of the hybrid system.Type: GrantFiled: June 28, 2012Date of Patent: February 14, 2017Assignee: KASI TECHNOLOGIES ABInventor: Isak Löfgren
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Patent number: 9382837Abstract: A supercharging system (6) for an internal combustion engine includes a turbo charging device with a turbine (7) and a compressor (8), the compressor having a compressor shaft (8a); a planetary gear (25) coupled to the compressor shaft (8a) and a drive shaft (32); a clutch unit (18); a power transmission for connecting a crank shaft (4) of the combustion engine (1) to the drive shaft (32) via the clutch unit (18); and an electric motor or electric generator (20) connected to the drive shaft (32). The compressor shaft (8a) is at least on one end movably arranged between the compressor (8) and the planetary gear (25) to allow relative movements between the compressor (8) and the planetary gear (25).Type: GrantFiled: July 9, 2010Date of Patent: July 5, 2016Assignee: KASI TECHNOLOGIES ABInventor: Isak Lofgren
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Publication number: 20160047298Abstract: A supercharging system includes a charging device having a turbine and a compressor, the compressor having a high speed shaft; a planetary gear set coupled to the high speed shaft and an electric motor, or generator, via a low speed drive shaft; a clutch unit; a power transmission for connecting a crank shaft of the combustion engine to the drive shaft via the clutch unit; at least one sensor to measure at least one physical parameter of the exhaust gases inside, or after having passed, an exhaust gas catalyzer of the internal combustion engine, the at least one sensor being configured to provide an output signal representing a measured value of the at least one physical parameter; and a system control unit to receive the output signal and to control the speed or effect of the electric motor, or generator, based on the output signal. A method is also disclosed.Type: ApplicationFiled: March 20, 2014Publication date: February 18, 2016Inventor: Isak LÖFGREN
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Publication number: 20150361905Abstract: The present invention relates to a hybrid system comprising a supercharging system for an internal combustion engine (1), the hybrid system comprising: a charging device (6) with a turbine (7) connected to a compressor (8) via a compressor shaft (9), the compressor having a high speed shaft (30); a planetary gear/traction device (25) coupled between the high speed shaft (30) and an electric motor/generator (20); a clutch unit (18a); and a power transmission for connecting a crank shaft (4) of the combustion engine (1) to the electric motor/generator (20) via the clutch unit (18a); wherein the hybrid system further comprises a system control unit (23) configured to operate the hybrid system in different operating modes according to a control algorithm based on one, or a plurality of input parameters representative of operational properties of the hybrid system.Type: ApplicationFiled: June 28, 2012Publication date: December 17, 2015Inventor: Isak LÖFGREN
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Patent number: 8528330Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: GrantFiled: February 11, 2011Date of Patent: September 10, 2013Assignee: KASI Technologies ABInventor: Isak Lofgren
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Patent number: 8528331Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: GrantFiled: February 11, 2011Date of Patent: September 10, 2013Assignee: KASI Technologies ABInventor: Isak Lofgren
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Patent number: 8522550Abstract: The invention refers to a supercharging system for an internal combustion engine incorporating in combination, a turbine, a compressor and an electrical driven system that is connected by any power transmission system to the crankshaft or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: GrantFiled: July 22, 2008Date of Patent: September 3, 2013Assignee: KASI Technologies ABInventor: Isak Lofgren
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Patent number: 8490394Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: GrantFiled: February 11, 2011Date of Patent: July 23, 2013Assignee: KASI Technologies ABInventor: Isak Lofgren
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Patent number: 8490393Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: GrantFiled: February 11, 2011Date of Patent: July 23, 2013Assignee: KASI Technologies ABInventor: Isak Lofgren
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Publication number: 20130152581Abstract: A supercharging system (6) for an internal combustion engine includes a turbo charging device with a turbine (7) and a compressor (8), the compressor having a compressor shaft (8a); a planetary gear (25) coupled to the compressor shaft (8a) and a drive shaft (32); a clutch unit (18); a power transmission for connecting a crank shaft (4) of the combustion engine (1) to the drive shaft (32) via the clutch unit (18); and an electric motor or electric generator (20) connected to the drive shaft (32). The compressor shaft (8a) is at least on one end movably arranged between the compressor (8) and the planetary gear (25) to allow relative movements between the compressor (8) and the planetary gear (25).Type: ApplicationFiled: July 9, 2010Publication date: June 20, 2013Applicant: KASI TECHNOLOGIES ABInventor: Isak Lofgren
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Publication number: 20110138808Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: ApplicationFiled: February 11, 2011Publication date: June 16, 2011Applicant: KASI FORVALTNING I GOTEBORG ABInventor: Isak LÖFGREN
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Publication number: 20110131984Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: ApplicationFiled: February 11, 2011Publication date: June 9, 2011Applicant: KASI FORVALTNING I GOTEBORG ABInventor: Isak Löfgren
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Publication number: 20110131983Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: ApplicationFiled: February 11, 2011Publication date: June 9, 2011Applicant: KASI FORVALTNING I GOTEBORG ABInventor: Isak LÖFGREN
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Publication number: 20110126536Abstract: The invention refers to a supercharging system (6) for an internal combustion engine (1) incorporating in combination, a turbine (7), a compressor (8) and an electrical driven system (20) that is connected by any power transmission system (16, 19) to the crankshaft (4) or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: ApplicationFiled: February 11, 2011Publication date: June 2, 2011Applicant: KASI FORVALTNING I GOTEBORG ABInventor: Isak LÖFGREN
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Publication number: 20100199956Abstract: The invention refers to a supercharging system for an internal combustion engine incorporating in combination, a turbine, a compressor and an electrical driven system that is connected by any power transmission system to the crankshaft or any other vehicle drive shaft of an internal combustion engine, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: ApplicationFiled: July 22, 2008Publication date: August 12, 2010Applicant: KASI FORVALTNING I GOTEBORG ABInventor: Isak Lofgren
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Patent number: 7765805Abstract: The invention refers to a supercharging system for an internal combustion engine incorporating in combination, a turbine, a compressor and an electrical driven system that is connected by any power transmission system to the crankshaft or any other vehicle drive shaft of an internal combustion engine and which are arranged along a common axis, where the turbine inlet is subjected to exhaust gases, causing the turbine wheel to rotate and thereby via the drive shaft causing mechanical rotating power.Type: GrantFiled: July 24, 2007Date of Patent: August 3, 2010Assignee: Kasi Forvaltning i Goteborg ABInventor: Isak Lofgren