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公开(公告)号：US20220120500A1
公开(公告)日：2022-04-21
申请号：US17542007
申请日：2021-12-03
申请人： BAE Systems plc
IPC分类号： F28D1/03 , F28D1/02 , F28D1/04 , F28D1/053 , F28F1/02 , F28F1/06 , F28F1/40 , F28F3/12 , F28F21/08
摘要： There is disclosed a heat exchanger comprising at least one set of channels having a proximal end and a distal end, the set of channels comprising: a first channel defined by a first skin and a wall; and a second channel defined by a second skin and the wall, wherein the wall located between the first channel and the second channel comprises a first at least one aperture to allow fluid to pass through the wall from the first channel to the second channel.
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公开(公告)号：US20210348855A1
公开(公告)日：2021-11-11
申请号：US17385418
申请日：2021-07-26
摘要： A tube for a thermal transfer device can include a wall having a length and having an inner surface and an outer surface, wherein the inner surface forms a cavity. The tube can also include at least one first dimple pressed into the wall toward the cavity at a first location along the length of the wall, where the inner surface of the wall at the at least one first dimple is separated from itself by a first distance. The tube can further include at least one second dimple pressed into the wall toward the cavity at a second location along the length of the wall, where the inner surface of the wall at the at least one second dimple is separated from itself by a second distance. The cavity can be configured to receive a fluid that flows continuously along a length of the at least one wall.
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公开(公告)号：US11078872B2
公开(公告)日：2021-08-03
申请号：US16202209
申请日：2018-11-28
申请人： KUBOTA Corporation
发明人： Yoshikazu Takemoto , Hideyuki Goto , Takahito Hamasaki , Kentaro Nagai , Tomoya Akitomo , Kumiko Sakaguchi
IPC分类号： F02M26/22 , F02M26/41 , F02M26/13 , F28D7/10 , F02M26/11 , F28D21/00 , F28F1/06 , F28F1/02 , F01P3/20
摘要： An engine with an EGR device includes an engine case, and an EGR pipe that introduces an EGR gas into an intake path. The EGR pipe is arranged to pass through an inside of the engine case. A part of the EGR pipe in the engine case is arranged to face a cooling water path in the engine case. The engine case is defined by a cylinder head. The cooling water path is arranged to surround a whole circumference of the EGR pipe.
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公开(公告)号：US20210164739A1
公开(公告)日：2021-06-03
申请号：US17176145
申请日：2021-02-15
发明人： Joseph Turney
摘要： A counter-flow heat exchanger comprising a heat exchanger core including an inner wall and an outer wall radially outward and spaced apart from the inner wall. A first flow path is defined within the inner wall and a second flow path is defined between the inner wall and the outer wall. The heat exchanger core includes a primary flow inlet, a primary flow outlet and a middle portion therebetween. The inner and outer walls are concentric at the primary flow inlet of the heat exchanger core. The inner wall defines a first set of channels extending axially from the primary flow inlet to the middle portion of the heat exchanger core diverging away from a radial center of the heat exchanger core. The inner wall and the outer wall define a second set of channels extending axially from the primary flow inlet to the middle portion of the heat exchanger core converging toward the radial center of the heat exchanger core.
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公开(公告)号：US20210010755A1
公开(公告)日：2021-01-14
申请号：US16794422
申请日：2020-02-19
申请人： Evapco, Inc.
发明人： Jeffrey Kane , Davey Joe Vadder
摘要： An air-over evaporative heat exchanger with multi-lobed or “peanut” shaped tubes replacing conventional round or elliptical tubes. The tubes have a narrow horizontal cross section and tall vertical cross section to allow the multiplication of surface area in the same coil volume while maintaining or increasing the open-air passage area. This configuration allows the coil to have an overall external heat transfer coefficient much higher than a conventional coil, while the tube shape allows the use of thinner material, reducing the weight and cost of the heat exchanger.
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公开(公告)号：US20200271392A1
公开(公告)日：2020-08-27
申请号：US16282663
申请日：2019-02-22
申请人： FORUM US, INC.
摘要： An apparatus and methods are provided for finless heat exchanger cores. A heat exchanger core includes an inlet header and an outlet header. The heat exchanger core also includes one or more curved channel frames disposed at least partially between the inlet header and the outlet header. The one or more curved channel frames have a first end and a second end, and one or more fluid passageways that direct flow of a first fluid in a first direction therethrough from the first end to the second end. In some embodiments, at least one of the one or more curved channel frames includes a rounded leading edge and a tapered trailing edge.
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公开(公告)号：US20200256624A1
公开(公告)日：2020-08-13
申请号：US16649150
申请日：2018-09-07
发明人： Hongzhou DONG
摘要： The disclosure provides a flat tube for a microchannel heat exchanger and the microchannel heat exchanger, and relates to the field of air conditioners. The flat tube includes a first wallboard (1.1) and a second wallboard (1.2) that are formed separately; and the first wallboard (1.1) and/or the second wallboard (1.2) have/has a plurality of protrusion portions protruding into a refrigerant circulation cavity, to form multiple refrigerant channels arranged along a length direction of the flat tube. The flat tube for the microchannel heat exchanger uses a stamping method, thus reducing a production cost and a production difficulty.
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公开(公告)号：US20190339014A1
公开(公告)日：2019-11-07
申请号：US16512180
申请日：2019-07-15
发明人： Reza Khatami , Qian Zhang , Troy E. Trant , Tanjir Hasan Ratul
摘要： A tube for a thermal transfer device can include at least one wall having an inner surface and an outer surface, where the inner surface forms a cavity. The inner surface can be non-cylindrical. The cavity can be configured to receive a fluid that flows continuously along a length of the at least one wall.
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公开(公告)号：US20190186431A1
公开(公告)日：2019-06-20
申请号：US16216146
申请日：2018-12-11
申请人： Hanon Systems
发明人： Ronny Koch , Oliver Fischer , Petr Sispera , Jiri Tomecek
CPC分类号： F02M26/29 , F28D7/1684 , F28D21/0003 , F28F1/04 , F28F1/06 , F28F1/08
摘要： A tube (10) for an exhaust gas cooler comprises at least two projections (14), developed on the inside, of which at least one, implemented closer to the gas inlet, is developed lower in the direction toward the tube axis than at least one that is implemented closer to the gas outlet.An exhaust gas cooler comprises at least one such tube.
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公开(公告)号：US10161693B2
公开(公告)日：2018-12-25
申请号：US14987387
申请日：2016-01-04
申请人： UACJ Corporation
IPC分类号： C22C21/00 , F28F21/08 , B22D11/06 , C22F1/04 , C22C21/02 , F28F1/12 , B22D11/00 , C21D1/26 , C22F1/043 , F28F1/06 , C22F1/00
摘要： An aluminum alloy fin material for heat exchangers, containing 0.5 to 1.5 mass % of Si; more than 1.0 mass % but not more than 2.0 mass % of Fe; 0.4 to 1.0 mass % of Mn; and 0.4 to 1.0 mass % of Zn, with the balance being Al and unavoidable impurities, wherein a metallographic microstructure before braze-heating is such that a density of second phase particles having a circle-equivalent diameter of less than 0.1 μm is less than 1×107 particles/mm2, and that a density of second phase particles having a circle-equivalent diameter of 0.1 μm or more is 1×105 particles/mm2 or more, wherein a tensile strength before braze-heating, TSB (N/mm2), a tensile strength after braze-heating, TSA (N/mm2), and a fin sheet thickness, t (μm), satisfy: 0.4≤(TSB−TSA)/t≤2.1, and wherein the sheet thickness is 150 μm or less; and a method of producing the same.
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