Patents by Inventor Tom Johansen
Tom Johansen 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: 11388861Abstract: A system and method for enhancement of CO2 concentration in closed or semi closed spaces, wherein said system comprises a unit (3) for capturing CO2 from ambient air, said unit further comprises two process units (134, 172) capable of 5 adsorbing and desorbing CO2 on an adsorbent, and working alternately in adsorbing and desorbing mode.Type: GrantFiled: August 16, 2017Date of Patent: July 19, 2022Assignee: GREENCAP SOLUTIONS ASInventors: Tom Johansen, Tor Christensen, Jarle Skjaeveland
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Publication number: 20190208714Abstract: A system and method for enhancement of CO2 concentration in closed or semi closed spaces, wherein said system comprises a unit (3) for capturing CO2 from ambient air, said unit further comprises two process units (134, 172) capable of 5 adsorbing and desorbing CO2 on an adsorbent, and working alternately in adsorbing and desorbing mode.Type: ApplicationFiled: August 16, 2017Publication date: July 11, 2019Inventors: Tom Johansen, Tor Christensen, Jarle Skjaeveland
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Patent number: 8646475Abstract: The invention relates to a dosing pump unit for mixing a liquid reducing agent with an exhaust gas flow by means of a dosing pump which is connected, on the input side thereof, to a connection connectable to a reducing agent tank and, on the output side thereof, to a pressure pipe and a pipe for returning flow back to said reducing agent tank, wherein a non-return valve which is prestressed against a hydraulic pressure produced by the dosing pump is arranged in the pressure line, the return pipe is connected to the pressure pipe upstream of the non-return valve in the reducing agent flow direction and a first stop valve for selectively closing the return pipe is placed therein.Type: GrantFiled: December 29, 2005Date of Patent: February 11, 2014Assignee: Grundfos Nonox a/sInventors: Hans Henrik Jochumsen, Niels Stubager Kiemer, Karim Lindberg, Niels Torp Madsen, Tom Johansen
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Patent number: 8534326Abstract: The invention relates to a metering pump for admixing a fluid reduction agent into an exhaust gas flow, which comprises a premixing device in which the supplied reduction agent is mixed in a mixing region with a pressurized gas, wherein a first return valve is arranged in the premixing element in a supply conduit for the reduction agent, in front of the mixing region in the flow direction.Type: GrantFiled: December 29, 2005Date of Patent: September 17, 2013Assignee: Grundfos NoNox a/sInventors: Hans Henrik Jochumsen, Niels Stubager Kiemer, Karim Lindberg, Niels Torp Madsen, Tom Johansen
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Patent number: 8371113Abstract: The present invention provides a mixing device (1) for mixing urea with a gas, said urea being preferably dissolved in a fluid preferably water and said gas being preferably air. The mixing device comprises preferably a urea inlet (10) and a gas inlet (12) for feeding respectively urea and the gas into a mixing chamber (20) of the mixing device (4), and an outlet (14) for outlet of the mix of urea and gas from the mixing chamber (20), these inlets (10,12) and outlet (14) may preferably have a stream wise extension and runs preferably into the mixing chamber (20) and the outlet (14) originates preferably from the mixing chamber (20). Preferably, at least the gas inlet (12) for feeding air into the mixing chamber is designed so that depositing of urea crystals on selected surfaces of the said inlet is substantially (typically in the sense that deposited crystals does not clog the inlet) or totally avoided.Type: GrantFiled: April 10, 2006Date of Patent: February 12, 2013Assignee: Grundfos NoNox A/SInventors: Hans Henrik Jochumsen, Steen Kahler, Karim Lindberg, Martin Ebro Christensen, Niels Stubager Kiemer, Niels Torp Madsen, Janus Juul Rasmussen, Tom Johansen
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Patent number: 8029249Abstract: The invention relates to a metering pump assembly for admixing a fluid reduction agent into an exhaust gas flow with a metering pump for delivering the reduction agent and with a premixing device, in which in a mixing region, the reduction agent delivered by the metering pump is mixed with a pressurized gas, wherein the metering pump assembly comprises a pump head with a central plate in which at least the metering pump and the premixing device are arranged.Type: GrantFiled: December 29, 2005Date of Patent: October 4, 2011Assignee: Grundfos NoNox a/sInventors: Hans Henrik Jochumsen, Niels Stubager Kiemer, Karim Lindberg, Niels Torp Madsen, Tom Johansen
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Publication number: 20090031714Abstract: The present invention provides a mixing device (1) for mixing urea with a gas, said urea being preferably dissolved in a fluid preferably water and said gas being preferably air. The mixing device comprises preferably a urea inlet (10) and a gas inlet (12) for feeding respectively urea and the gas into a mixing chamber (20) of the mixing device (4), and an outlet (14) for outlet of the mix of urea and gas from the mixing chamber (20) , these inlets (10,12) and outlet (14) may preferably have a stream wise extension and runs preferably into the mixing chamber (20) and the outlet (14) originates preferably from the mixing chamber (20). Preferably, at least the gas inlet (12) for feeding air into the mixing chamber is designed so that depositing of urea crystals on selected surfaces of the said inlet is substantially (typically in the sense that deposited crystals does not clog the inlet) or totally avoided.Type: ApplicationFiled: April 10, 2006Publication date: February 5, 2009Inventors: Hans Henrik Jochumsen, Steen Kahler, Karim Lindberg, Martin Ebro Christensen, Niels Stubager Kiemer, Niels Torp Madsen, Janus Juul Rasmussen, Tom Johansen
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Publication number: 20090028729Abstract: The invention relates to a metering pump for admixing a fluid reduction agent into an exhaust gas flow, which comprises a premixing device in which the supplied reduction agent is mixed in a mixing region with a pressurized gas, wherein a first return valve is arranged in the premixing element in a supply conduit for the reduction agent, in front of the mixing region in the flow direction.Type: ApplicationFiled: December 29, 2005Publication date: January 29, 2009Applicant: GRUNDFOS MANAGEMENT A/SInventors: Hans Henrik Jochumsen, Niels Stubager Kiemer, Karim Lindberg, Niels Torp Madsen, Tom Johansen
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Publication number: 20080138215Abstract: The invention relates to a dosing pump unit for mixing a liquid reducing agent with an exhaust gas flow by means of a dosing pump (2) which is connected, on the input side thereof, to a connection connectable to a reducing agent tank (4) and, on the output side thereof, to a pressure pipe (16) and a pipe (10) for returning flow back to said reducing agent tank (4), wherein a non-return valve (20) which is prestressed against a hydraulic pressure produced by the dosing pump (2) is arranged in the pressure line (16), the return pipe (10) is connected to the pressure pipe (16) upstream of the non-return valve (20) in the reducing agent flow direction and a first stop valve (12) for selectively closing the return pipe (10) is placed therein.Type: ApplicationFiled: December 29, 2005Publication date: June 12, 2008Applicant: GRUNDFOS MANAGEMENT A/SInventors: Hans Henrik Jochumsen, Niels Stubager Kiemer, Karim Lindberg, Niels Torp Madsen, Tom Johansen
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Publication number: 20080138221Abstract: The invention relates to a metering pump assembly for admixing a fluid reduction agent into an exhaust gas flow with a metering pump (2) for delivering the reduction agent and with a premixing device (39), in which in a mixing region (18), the reduction agent delivered by the metering pump (2) is mixed with a pressurized gas, wherein the metering pump assembly comprises a pump head with a central plate (40) in which at least the metering pump (2) and the premixing device (39) are arranged (FIG. 8).Type: ApplicationFiled: December 29, 2005Publication date: June 12, 2008Applicant: Grundfos Management a/sInventors: Hans Henrik Jochumsen, Niels Stubager Kiemer, Karim Lindberg, Niels Torp Madsen, Tom Johansen