Patents by Inventor David Tiemann
David Tiemann 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: 11112184Abstract: The invention relates to an evaporator (V) comprising an evaporator body (3) surrounded by an evaporator housing (5) having an inlet (1) for supply of liquid into the evaporator housing (5) and an outlet (6) for discharge of vapour generated, wherein the evaporator body (3) comprises a multitude of plates (7) arranged flat one on top of another, wherein there is a liquid distributor (2) for distributing the liquid between the multitude of plates (7) arranged between the inlet (1) and the evaporator body (3), wherein each of the plates (7) comprises, on a first surface, a liquid distributor structure (10) with distributor conduits (20, 21, 22), an evaporator area (11) and a gas collection structure (12). The invention further relates to a corresponding fuel cell arrangement.Type: GrantFiled: February 20, 2018Date of Patent: September 7, 2021Assignee: DIEHL AEROSPACE GMBHInventors: David Tiemann, Jochen Schuerer, Gunther Kolb
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Patent number: 10926239Abstract: The invention relates to a fuel processor component for a propylene glycol fuel processor, comprising at least one housing (G) having at least two inlets (E1, E2) and two outlets (A1, A2), wherein there is a multitude of first plates (P1) having a first side (S1) and a second side (S2) and second plates (P2) having a third side (S3) and a fourth side (S4) arranged as a stack in the housing (G), wherein the stacked first and second plates (P1, P2) form at least first cavities (H1) and second cavities (H2), wherein the first inlet (E1) has fluid connection to the first outlet (A1) via first cavities (H1) and the second inlet (E2) has fluid connection to the second outlet (A2) via second cavities (H2). The invention further relates to a propylene glycol fuel processor.Type: GrantFiled: February 20, 2018Date of Patent: February 23, 2021Assignee: DIEHL AEROSPACE GMBHInventors: David Tiemann, Jochen Schuerer, Gunther Kolb
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Patent number: 10717064Abstract: An evaporator comprising an evaporator body (3) surrounded by an evaporator housing (5), wherein the evaporator housing (5) is provided with a feed line (1) for feeding a liquid into the evaporator housing (5) and with an outlet (6) for emitting any vapour produced, wherein the evaporator body (3) comprises a multiplicity of plates (7) which are arranged in a planar manner one above another, wherein a void (8) is formed in each case between adjacent plates (7), wherein each of the voids (8) is fluidically connected to the outlet, wherein a liquid distributor is interconnected between the feed line (1) and the evaporator body (3), wherein the liquid distributor branches off from the feed line (1) in the direction of the evaporator body (3) in at least two distributor lines (VR), and wherein each distributor line (VR) is connected to at least one void (8).Type: GrantFiled: February 20, 2018Date of Patent: July 21, 2020Assignee: DIEHL AEROSPACE GMBHInventors: David Tiemann, Karl-Peter Schelhaas
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Patent number: 10618028Abstract: The invention relates to a PrOx reactor (R) comprising a housing that encloses a reaction space and has a first inlet (E1) for supply of a hydrogenous first gas (G1) to a reaction space, a second inlet (E2) for supply of an oxygenous second gas (G2) to the reaction space and an outlet (A) for discharge of a third gas (G3), wherein there is a multitude of conduits (Kv) extending from the second inlet (E2) into the reaction space, each of which comprises at least one opening (O) for supply of the second gas (G2) to the reaction space.Type: GrantFiled: February 20, 2018Date of Patent: April 14, 2020Assignee: DIEHL AEROSPACE GMBHInventor: David Tiemann
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Publication number: 20180236431Abstract: The invention relates to a fuel processor component for a propylene glycol fuel processor, comprising at least one housing (G) having at least two inlets (E1, E2) and two outlets (A1, A2), wherein there is a multitude of first plates (P1) having a first side (S1) and a second side (S2) and second plates (P2) having a third side (S3) and a fourth side (S4) arranged as a stack in the housing (G), wherein the stacked first and second plates (P1, P2) form at least first cavities (H1) and second cavities (H2), wherein the first inlet (E1) has fluid connection to the first outlet (A1) via first cavities (H1) and the second inlet (E2) has fluid connection to the second outlet (A2) via second cavities (H2). The invention further relates to a propylene glycol fuel processor.Type: ApplicationFiled: February 20, 2018Publication date: August 23, 2018Applicant: DIEHL AEROSPACE GMBHInventors: David TIEMANN, Jochen SCHUERER, Gunther KOLB
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Publication number: 20180236430Abstract: The invention relates to an evaporator comprising an evaporator body (3) surrounded by an evaporator housing (5), wherein the evaporator housing (5) is provided with a feed line (1) for feeding a liquid into the evaporator housing (5) and with an outlet (6) for emitting any vapour produced, wherein the evaporator body (3) comprises a multiplicity of plates (7) which are arranged in a planar manner one above another, wherein a void (8) is formed in each case between adjacent plates (7), wherein each of the voids (8) is fluidically connected to the outlet, wherein a liquid distributor is interconnected between the feed line (1) and the evaporator body (3), wherein the liquid distributor branches off from the feed line (1) in the direction of the evaporator body (3) in at least two distributor lines (VR), and wherein each distributor line (VR) is connected to at least one void (8).Type: ApplicationFiled: February 20, 2018Publication date: August 23, 2018Applicant: DIEHL AEROSPACE GMBHInventors: David TIEMANN, Karl-Peter SCHELHAAS
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Publication number: 20180238629Abstract: The invention relates to an evaporator (V) comprising an evaporator body (3) surrounded by an evaporator housing (5) having an inlet (1) for supply of liquid into the evaporator housing (5) and an outlet (6) for discharge of vapour generated, wherein the evaporator body (3) comprises a multitude of plates (7) arranged flat one on top of another, wherein there is a liquid distributor (2) for distributing the liquid between the multitude of plates (7) arranged between the inlet (1) and the evaporator body (3), wherein each of the plates (7) comprises, on a first surface, a liquid distributor structure (10) with distributor conduits (20, 21, 22), an evaporator area (11) and a gas collection structure (12). The invention further relates to a corresponding fuel cell arrangement.Type: ApplicationFiled: February 20, 2018Publication date: August 23, 2018Applicant: DIEHL AEROSPACE GMBHInventors: David TIEMANN, Jochen SCHUERER, Gunther KOLB
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Publication number: 20180236429Abstract: The invention relates to a PrOx reactor (R) comprising a housing that encloses a reaction space and has a first inlet (E1) for supply of a hydrogenous first gas (G1) to a reaction space, a second inlet (E2) for supply of an oxygenous second gas (G2) to the reaction space and an outlet (A) for discharge of a third gas (G3), wherein there is a multitude of conduits (Kv) extending from the second inlet (E2) into the reaction space, each of which comprises at least one opening (O) for supply of the second gas (G2) to the reaction space.Type: ApplicationFiled: February 20, 2018Publication date: August 23, 2018Applicant: DIEHL AEROSPACE GMBHInventor: David TIEMANN
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Patent number: 8167030Abstract: A micro-evaporator is disclosed which is easy to manipulate and can be operated problem-free over a large temperature range. The micro-evaporator has micro-evaporator channels in a trapezoidal region, comprising an inlet region opening in the liquid feed chamber with a small diameter, and an outlet region opening into the vapor collecting chamber with a large diameter.Type: GrantFiled: April 6, 2006Date of Patent: May 1, 2012Inventors: Gunther Kolb, David Tiemann
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Publication number: 20100136699Abstract: A sample plate, portable analysis apparatus and method of analysing sulphur and/or nitrogen compounds in a sample fluid, the method comprising feeding a sample fluid to a sample plate having a sample inlet, a reaction zone, an analysis zone, and at least one separation zone, the sample plate being adapted to allow; (a) a sample fluid to be fed to the sample plate through the inlet to the reaction zone or optionally to a separation zone, which separation zone separates the sample fluid into two or more fractions at least one of which is fed to the reaction zone; (b) a reactant to be fed to the reaction zone; (c) the reaction zone to be maintained under conditions that enable reaction to occur between the reactant and the sample fluid or fraction thereof to produce a product fluid; and (d) transfer of the product fluid to the analysis zone or optionally to a separation zone in which the product fluid is separated into two or more fractions, at least one of which is transferred to the analysis zone.Type: ApplicationFiled: June 26, 2008Publication date: June 3, 2010Applicant: BP OIL INTERNATIONAL LIMITEDInventors: Klaus-Stefan Drese, Volker Hessel, Christian Hofmann, Tobias Illg, Maria Gabriele Menges, David Tiemann, Athanassios Ziogas
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Publication number: 20080307825Abstract: A micro-evaporator is disclosed which is easy to manipulate and can be operated problem-free over a large temperature range. The micro-evaporator has micro-evaporator channels in a trapezoidal region, comprising an inlet region opening in the liquid feed chamber with a small diameter, and an outlet region opening into the vapor collecting chamber with a large diameter.Type: ApplicationFiled: April 6, 2006Publication date: December 18, 2008Inventors: Gunther Kolb, David Tiemann