Patents by Inventor Berwyn POLLARD
Berwyn POLLARD 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: 11971167Abstract: A device for evaporating a liquid such as liquid fuel. The device comprises: a shell; means for supplying heat to the shell; a porous wick located in the shell so that there is a gap between an outer surface side of the porous wick and an inner surface of the shell; means for supplying liquid to the porous wick; and an outlet in the shell for vapour produced in the gap by the application of heat from the shell to the liquid in the wick.Type: GrantFiled: June 13, 2018Date of Patent: April 30, 2024Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Paul Phillips, Berwyn Pollard
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Patent number: 11897015Abstract: A counterflow heat transfer system comprises a heat exchanger and a flow controller arranged to convey a first fluid through the heat exchanger in a first flow direction and a second fluid through the heat exchanger in a second counterflow direction. The heat exchanger comprises at least one first thermally conductive tube conveying the first fluid and at least one second thermally conductive tube conveying the second fluid. The first and second tubes are wound around one another and in contact with one another in an entwined tubular arrangement.Type: GrantFiled: August 27, 2021Date of Patent: February 13, 2024Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Paul Phillips, Berwyn Pollard
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Patent number: 11891188Abstract: A fuel tank inerting system for an aircraft, the system comprises a catalytic heat exchanger comprising a first flow path and a second flow path for heat exchange with the first flow path. The system further comprises a first inlet arranged upstream of the first flow path of the catalytic heat exchanger for providing a mixture of fuel vapour and oxygen to the first flow path for sustaining a catalysed reaction, and a second inlet arranged upstream of the second flow path for providing a flow of fuel to the second flow path of the catalytic heat exchanger for exchanging heat with the first flow path.Type: GrantFiled: June 14, 2021Date of Patent: February 6, 2024Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Paul Phillips, Berwyn Pollard
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Publication number: 20210387244Abstract: A counterflow heat transfer system comprises a heat exchanger and a flow controller arranged to convey a first fluid through the heat exchanger in a first flow direction and a second fluid through the heat exchanger in a second counterflow direction. The heat exchanger comprises at least one first thermally conductive tube conveying the first fluid and at least one second thermally conductive tube conveying the second fluid. The first and second tubes are wound around one another and in contact with one another in an entwined tubular arrangement.Type: ApplicationFiled: August 27, 2021Publication date: December 16, 2021Inventors: Paul Phillips, Berwyn Pollard
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Publication number: 20210300582Abstract: A fuel tank inerting system for an aircraft, the system comprises a catalytic heat exchanger comprising a first flow path and a second flow path for heat exchange with the first flow path. The system further comprises a first inlet arranged upstream of the first flow path of the catalytic heat exchanger for providing a mixture of fuel vapour and oxygen to the first flow path for sustaining a catalysed reaction, and a second inlet arranged upstream of the second flow path for providing a flow of fuel to the second flow path of the catalytic heat exchanger for exchanging heat with the first flow path.Type: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Inventors: Paul Phillips, Berwyn Pollard
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Patent number: 11110502Abstract: A counterflow heat transfer system comprises a heat exchanger and a flow controller arranged to convey a first fluid through the heat exchanger in a first flow direction and a second fluid through the heat exchanger in a second counterflow direction. The heat exchanger comprises at least one first thermally conductive tube conveying the first fluid and at least one second thermally conductive tube conveying the second fluid. The first and second tubes are wound around one another and in contact with one another in an entwined tubular arrangement.Type: GrantFiled: May 24, 2018Date of Patent: September 7, 2021Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Paul Phillips, Berwyn Pollard
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Patent number: 11085713Abstract: There is provided a fuel tank inerting system for an aircraft. The system comprises: a catalytic heat exchanger comprising a first flow path and a second flow path for heat exchange with the first flow path, wherein the first flow path comprises a plurality of core flow paths each fluidly isolated from one another within the catalytic heat exchanger and each arranged to exchange heat with the second flow path; and a control valve arranged upstream of the first flow path of the catalytic heat exchanger and arranged to selectively control a flow to each of the core flow paths.Type: GrantFiled: July 10, 2018Date of Patent: August 10, 2021Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Paul Phillips, Berwyn Pollard
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Patent number: 11034461Abstract: A fuel tank inerting system for an aircraft, the system comprises a catalytic heat exchanger comprising a first flow path and a second flow path for heat exchange with the first flow path. The system further comprises a first inlet arranged upstream of the first flow path of the catalytic heat exchanger for providing a mixture of fuel vapour and oxygen to the first flow path for sustaining a catalysed reaction, and a second inlet arranged upstream of the second flow path for providing a flow of fuel to the second flow path of the catalytic heat exchanger for exchanging heat with the first flow path.Type: GrantFiled: June 13, 2018Date of Patent: June 15, 2021Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Paul Phillips, Berwyn Pollard
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Patent number: 11002491Abstract: A heat transfer segment for a curved heat exchanger, wherein the heat transfer segment comprises a plurality of enclosure bars that at least partially define two opposite ends of the heat transfer segment, wherein the two opposite ends define respective general planes, characterised in that: the enclosure bars are shaped and arranged such that the general plane of one end of the heat transfer segment is not parallel with the general plane of the other end of the heat transfer segment, such that when said heat transfer segment is joined to an adjacent heat transfer segment in an end-to-end fashion the enclosure bars the heat transfer segment may join to corresponding enclosure bars of the adjacent heat transfer segment.Type: GrantFiled: January 25, 2018Date of Patent: May 11, 2021Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Berwyn Pollard, Paul Phillips
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Patent number: 10883775Abstract: A component that generates or requires heat includes a heat exchanger integrated with the component. The component includes a component housing holding functional parts of the component, and the heat exchanger has a heat exchanger housing formed integrally with the component housing. There is a first fluid circuit in which a first fluid flows through the component in a heat exchange relationship with the functional parts, into the heat exchanger via a first fluid inlet, through the heat exchanger, out of the heat exchanger via a first fluid outlet, and back to the functional parts of the component. The heat exchanger has a second fluid inlet and a second fluid outlet for connection into a second fluid circuit in which a second fluid flows from outside of the component into the component.Type: GrantFiled: March 30, 2018Date of Patent: January 5, 2021Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Berwyn Pollard, Paul Phillips
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Patent number: 10654583Abstract: A fuel tank inerting system for an aircraft, the system comprising: a fuel tank, and a catalytic heat exchanger. The catalytic heat exchanger comprises a first flow path and a second flow path for heat exchange with the first flow path, as well as a first inlet arranged upstream of the first flow path of the catalytic heat exchanger for providing a mixture of fuel vapour and oxygen to the first flow path for sustaining a catalysed reaction, and a second inlet arranged upstream of the second flow path for providing a flow of fuel from the fuel tank to the second flow path of the catalytic heat exchanger for exchanging heat with the first flow path. The system further comprises a transfer pipe in heat exchange with the fuel tank, wherein the transfer pipe is arranged to receive fuel from the second flow path of the catalytic heat exchanger.Type: GrantFiled: June 13, 2018Date of Patent: May 19, 2020Assignee: HS MARSTON AEROSPACE LIMITEDInventors: Berwyn Pollard, Paul Phillips
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Publication number: 20190086163Abstract: An external frame for a heat exchanger, the external frame being for holding a heat exchanger core; wherein the external frame is a single integrated structure including: inlet and outlet couplings for connection to a first fluid circuit for supply and return of a first fluid to the heat exchanger core; a first tank at a first end of the external frame for fluid communication with a first end of the heat exchanger core; a second tank at a second end of the external frame for fluid communication with a second end of the heat exchanger core; and a gallery extending along the external frame between the first tank and the second tank providing fluid communication between the first tank and the second tank; wherein the external frame is arranged to be sealed to the heat exchanger core so that the first fluid flows from the inlet, through the heat exchanger core and the tanks, and to the outlet.Type: ApplicationFiled: August 10, 2018Publication date: March 21, 2019Inventors: Berwyn POLLARD, James WILKES
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Publication number: 20190047722Abstract: There is provided a fuel tank inerting system for an aircraft which comprises a catalytic heat exchanger. The catalytic heat exchanger comprises a first flow path and a second flow path for heat exchange with the first flow path. The system also comprises a refrigerant circuit comprising at least the second flow path so that during use refrigerant in the refrigerant circuit is in heat exchange with the first flow path.Type: ApplicationFiled: August 7, 2018Publication date: February 14, 2019Inventors: Paul PHILLIPS, Berwyn POLLARD
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Publication number: 20190011202Abstract: There is provided a fuel tank inerting system for an aircraft. The system comprises: a catalytic heat exchanger comprising a first flow path and a second flow path for heat exchange with the first flow path, wherein the first flow path comprises a plurality of core flow paths each fluidly isolated from one another within the catalytic heat exchanger and each arranged to exchange heat with the second flow path; and a control valve arranged upstream of the first flow path of the catalytic heat exchanger and arranged to selectively control a flow to each of the core flow paths.Type: ApplicationFiled: July 10, 2018Publication date: January 10, 2019Inventors: Paul Phillips, Berwyn Pollard
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Publication number: 20180354642Abstract: A fuel tank inerting system for an aircraft, the system comprises a catalytic heat exchanger comprising a first flow path and a second flow path for heat exchange with the first flow path. The system further comprises a first inlet arranged upstream of the first flow path of the catalytic heat exchanger for providing a mixture of fuel vapour and oxygen to the first flow path for sustaining a catalysed reaction, and a second inlet arranged upstream of the second flow path for providing a flow of fuel to the second flow path of the catalytic heat exchanger for exchanging heat with the first flow path.Type: ApplicationFiled: June 13, 2018Publication date: December 13, 2018Inventors: Paul Phillips, Berwyn Pollard
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Publication number: 20180354643Abstract: A fuel tank inerting system for an aircraft, the system comprising: a fuel tank, and a catalytic heat exchanger. The catalytic heat exchanger comprises a first flow path and a second flow path for heat exchange with the first flow path, as well as a first inlet arranged upstream of the first flow path of the catalytic heat exchanger for providing a mixture of fuel vapour and oxygen to the first flow path for sustaining a catalysed reaction, and a second inlet arranged upstream of the second flow path for providing a flow of fuel from the fuel tank to the second flow path of the catalytic heat exchanger for exchanging heat with the first flow path. The system further comprises a transfer pipe in heat exchange with the fuel tank, wherein the transfer pipe is arranged to receive fuel from the second flow path of the catalytic heat exchanger.Type: ApplicationFiled: June 13, 2018Publication date: December 13, 2018Inventors: Berwyn Pollard, Paul Phillips
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Publication number: 20180339329Abstract: A counterflow heat transfer system comprises a heat exchanger and a flow controller arranged to convey a first fluid through the heat exchanger in a first flow direction and a second fluid through the heat exchanger in a second counterflow direction. The heat exchanger comprises at least one first thermally conductive tube conveying the first fluid and at least one second thermally conductive tube conveying the second fluid. The first and second tubes are wound around one another and in contact with one another in an entwined tubular arrangement.Type: ApplicationFiled: May 24, 2018Publication date: November 29, 2018Inventors: Paul Phillips, Berwyn Pollard
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Publication number: 20180238630Abstract: A heat transfer segment for a curved heat exchanger, wherein the heat transfer segment comprises a plurality of enclosure bars that at least partially define two opposite ends of the heat transfer segment, wherein the two opposite ends define respective general planes, characterised in that: the enclosure bars are shaped and arranged such that the general plane of one end of the heat transfer segment is not parallel with the general plane of the other end of the heat transfer segment, such that when said heat transfer segment is joined to an adjacent heat transfer segment in an end-to-end fashion the enclosure bars the heat transfer segment may join to corresponding enclosure bars of the adjacent heat transfer segment.Type: ApplicationFiled: January 25, 2018Publication date: August 23, 2018Inventors: Berwyn POLLARD, Paul PHILLIPS
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Publication number: 20180045469Abstract: A multilayer heat exchanger device a frame constructed of multiple laminate layers that are bonded together. The device has a first fluid inlet manifold and a first fluid outlet manifold for connection to a supply and a return for the first fluid, the first fluid inlet manifold and the first fluid outlet manifold extending through the laminate layers of the frame; a second fluid inlet manifold and a second fluid outlet manifold for connection to a supply and a return for the second fluid, the second fluid inlet manifold and the second fluid outlet manifold extending through the laminate layers of the frame.Type: ApplicationFiled: August 9, 2017Publication date: February 15, 2018Inventor: Berwyn POLLARD