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1. 发明授权

US10179637B2 Turbulence enhancer for keel cooler 有权
公开(公告)号：US10179637B2
公开(公告)日：2019-01-15
申请号：US14663044
申请日：2015-03-19
申请人： Duramax Marine, LLC
发明人： P. Charles Miller, Jr. , Frank E. Horvat
IPC分类号： B63H21/38 , F28F13/02 , F28D1/02 , F28D1/053 , F28F13/12 , F28F13/06
摘要： A keel cooler assembly comprising a coolant tube including a plurality of turbulence enhancers for improving the heat transfer of the coolant without substantially increasing pressure drop of the coolant. In one embodiment, the turbulence enhancers are provided for generating turbulent wakes in the coolant for disrupting laminar boundary layers for improving heat transfer. In another embodiment, the turbulence enhancers are provided for generating and propagating turbulent vortexes in the coolant to enhance mixing of the bulk coolant for improving heat transfer. In other embodiments, turbulators, including inserts or impediments, are provided having various configurations and being arranged in predetermined patterns for enhancing turbulence of the coolant for improving keel cooler heat transfer efficiency without substantially increasing pressure drop.

2. 发明申请

US20180283793A1 IMPROVED MARINE HEAT EXCHANGER 审中-公开
公开(公告)号：US20180283793A1
公开(公告)日：2018-10-04
申请号：US15527090
申请日：2015-12-01
申请人： Duramax Marine, LLC
发明人： Frank E. Horvat , Joseph H. Andulics
IPC分类号： F28D1/02 , F28F13/12 , F28F9/26
CPC分类号： F28D1/022 , F28F9/0246 , F28F9/262 , F28F13/02 , F28F13/06 , F28F13/12 , F28F2275/08
摘要： A multiple-stacked marine heat exchanger for cooling at least one heat source in a marine vessel having an upper marine heat exchanger with a forward beveled end and upper coolant flow tubes connected thereto, a lower marine exchanger having a forward beveled end which converges with the forward beveled end of the upper marine heat exchanger and lower coolant flow tubes connected thereto, and an ambient water passageway extending through each pair of stacked marine heat exchangers in the multi-stacked marine heat exchanger. In one situation, the beveled ends cooperate to form a stagnant pressure region near the entrance to the ambient water passageway to create an increase in pressure at the entrance to create jets of turbulent water flowing through the passageway to break up the laminar boundary layer and increase heat transfer from the coolant flow tubes.

3. 发明授权

US10697703B2 Marine heat exchanger 有权
公开(公告)号：US10697703B2
公开(公告)日：2020-06-30
申请号：US15527090
申请日：2015-12-01
申请人： Duramax Marine, LLC
发明人： Frank E. Horvat , Joseph H. Andulics
IPC分类号： F28D1/02 , F28F9/26 , F28F13/06 , F28F13/02 , F28F13/12 , F28F9/02
摘要： A multiple-stacked marine heat exchanger for cooling at least one heat source in a marine vessel having an upper marine heat exchanger with a forward beveled end and upper coolant flow tubes connected thereto, a lower marine exchanger having a forward beveled end which converges with the forward beveled end of the upper marine heat exchanger and lower coolant flow tubes connected thereto, and an ambient water passageway extending through each pair of stacked marine heat exchangers in the multi-stacked marine heat exchanger. In one situation, the beveled ends cooperate to form a stagnant pressure region near the entrance to the ambient water passageway to create an increase in pressure at the entrance to create jets of turbulent water flowing through the passageway to break up the laminar boundary layer and increase heat transfer from the coolant flow tubes.

4. 发明授权

US09957030B2 Turbulence enhancer for keel cooler 有权
公开(公告)号：US09957030B2
公开(公告)日：2018-05-01
申请号：US14508091
申请日：2014-10-07
申请人： Duramax Marine, LLC
发明人： P. Charles Miller, Jr. , Frank E. Horvat
IPC分类号： B63H21/38 , F28D1/02 , F28D1/053 , F28F13/06 , F28F13/12 , B63J2/12
CPC分类号： B63H21/383 , B63J2/12 , F28D1/022 , F28D1/05366 , F28D1/05375 , F28F13/06 , F28F13/12
摘要： A keel cooler assembly comprising a liquid coolant tube including a plurality of turbulence enhancers for improving the heat transfer of the liquid coolant without substantially increasing pressure drop of the liquid coolant. In one embodiment, the turbulence enhancers generate turbulent wakes in the liquid coolant for disrupting laminar boundary layers for improving heat transfer. In another embodiment, the turbulence enhancers generate and propagate turbulent vortexes in the liquid coolant to enhance mixing of the bulk liquid coolant for improving heat transfer. In other embodiments, turbulators, including inserts or impediments, are provided having various configurations and being arranged in predetermined patterns for enhancing turbulence of the liquid coolant for improving keel cooler heat transfer efficiency without substantially increasing pressure drop.

5. 发明申请

US20150191237A1 Turbulence Enhancer for Keel Cooler 审中-公开
标题翻译：用于龙骨冷却器的湍流增强器
公开(公告)号：US20150191237A1
公开(公告)日：2015-07-09
申请号：US14663044
申请日：2015-03-19
申请人： Duramax Marine, LLC
发明人： P. Charles Miller, JR. , Frank E. Horvat
IPC分类号： B63H21/38 , B63J2/12
CPC分类号： B63H21/383 , F28D1/022 , F28D1/05366 , F28D1/05375 , F28F13/06 , F28F13/12
摘要： A keel cooler assembly comprising a coolant tube including a plurality of turbulence enhancers for improving the heat transfer of the coolant without substantially increasing pressure drop of the coolant. In one embodiment, the turbulence enhancers provide a means for generating turbulent wakes in the coolant for disrupting laminar boundary layers for improving heat transfer. In another embodiment, the turbulence enhancers provide a means for generating and propagating turbulent vortexes in the coolant to enhance mixing of the bulk coolant for improving heat transfer. In other embodiments, turbulators, including inserts or impediments, are provided having various configurations and being arranged in predetermined patterns for enhancing turbulence of the coolant for improving keel cooler heat transfer efficiency without substantially increasing pressure drop.
摘要翻译：一种龙骨冷却器组件，其包括冷却剂管，该冷却剂管包括多个湍流增强器，用于改善冷却剂的传热，而基本不增加冷却剂的压降。在一个实施例中，湍流增强器提供了用于在冷却剂中产生湍流骤冷的装置，用于破坏层流边界层以改善传热。在另一个实施例中，湍流增强器提供用于在冷却剂中产生和传播湍流漩涡的装置，以增强散装冷却剂的混合以改善传热。在其它实施例中，提供了包括插入件或障碍物的紊流器，其具有各种构造并且以预定图案布置，以增强冷却剂的湍流，从而提高龙骨冷却器传热效率，而基本上不增加压降。

6. 发明申请

US20150020996A1 Turbulence Enhancer for Keel Cooler 有权
公开(公告)号：US20150020996A1
公开(公告)日：2015-01-22
申请号：US14508091
申请日：2014-10-07
申请人： Duramax Marine, LLC
发明人： P. Charles Miller, JR. , Frank E. Horvat
IPC分类号： F28F13/12 , F28D1/02 , F28D1/053 , B63J2/12
CPC分类号： B63H21/383 , B63J2/12 , F28D1/022 , F28D1/05366 , F28D1/05375 , F28F13/06 , F28F13/12
摘要： A keel cooler assembly comprising a coolant tube including a plurality of turbulence enhancers for improving the heat transfer of the coolant without substantially increasing pressure drop of the coolant. In one embodiment, the turbulence enhancers provide a means for generating turbulent wakes in the coolant for disrupting laminar boundary layers for improving heat transfer. In another embodiment, the turbulence enhancers provide a means for generating and propagating turbulent vortexes in the coolant to enhance mixing of the bulk coolant for improving heat transfer. In other embodiments, turbulators, including inserts or impediments, are provided having various configurations and being arranged in predetermined patterns for enhancing turbulence of the coolant for improving keel cooler heat transfer efficiency without substantially increasing pressure drop.

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