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公开(公告)号：US20180031274A1
公开(公告)日：2018-02-01
申请号：US15645875
申请日：2017-07-10
Applicant: Johnson Controls Technology Company
Inventor： Stephen C. Wilson , David C. Rimmer , Raul G. Guajardo
CPC classification number: F24H3/087 , F28D1/0477 , F28D2021/0024 , F28F1/12 , F28F1/126 , F28F1/24 , F28F13/06 , F28F2265/10
Abstract: A furnace system includes a burner assembly that includes a burner configured to produce a flame and a heat exchanger that includes a plurality of tube passes. The plurality of tube passes cooperatively forms a conduit for flowing combustion products generated by the burner assembly. Each tube pass of the plurality of tube passes overlaps with other tube passes of the plurality of tube passes. A first tube pass of the plurality of tube passes is configured to receive the flame, and the first tube pass includes a first plurality of surface enhancements extending radially outward from an outer surface of the first tube pass relative to a central axis of the first tube pass. The furnace system also includes a baffle that is coupled to the burner assembly, extends toward the first tube pass, and is configured to contact the flame and the first tube pass.
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公开(公告)号：US11498162B2
公开(公告)日：2022-11-15
申请号：US16146736
申请日：2018-09-28
Applicant: Johnson Controls Technology Company
Inventor： William M. Harris , Curtis A. Trammell , Danielle R. Rosendale , David C. Rimmer
Abstract: A heat exchanger includes a tube having a length and an outside boundary. The tube is configured to convey fluid therethrough to facilitate heat transfer, and the outside boundary of the tube having a bottom wall portion, a top wall portion opposing the bottom wall portion, and two side wall portions between the bottom wall portion and the top wall portion, in which a segment of the length of the tube has a plurality of dimples selectively placed outside of the bottom wall portion.
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公开(公告)号：US20200094358A1
公开(公告)日：2020-03-26
申请号：US16146736
申请日：2018-09-28
Applicant: Johnson Controls Technology Company
Inventor： William M. Harris , Curtis A. Trammell , Danielle R. Rosendale , David C. Rimmer
Abstract: A heat exchanger includes a tube having a length and an outside boundary. The tube is configured to convey fluid therethrough to facilitate heat transfer, and the outside boundary of the tube having a bottom wall portion, a top wall portion opposing the bottom wall portion, and two side wall portions between the bottom wall portion and the top wall portion, in which a segment of the length of the tube has a plurality of dimples selectively placed outside of the bottom wall portion.
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公开(公告)号：US11022340B2
公开(公告)日：2021-06-01
申请号：US15645875
申请日：2017-07-10
Applicant: Johnson Controls Technology Company
Inventor： Stephen C. Wilson , David C. Rimmer , Raul G. Guajardo
Abstract: A furnace system includes a burner assembly that includes a burner configured to produce a flame and a heat exchanger that includes a plurality of tube passes. The plurality of tube passes cooperatively forms a conduit for flowing combustion products generated by the burner assembly. Each tube pass of the plurality of tube passes overlaps with other tube passes of the plurality of tube passes. A first tube pass of the plurality of tube passes is configured to receive the flame, and the first tube pass includes a first plurality of surface enhancements extending radially outward from an outer surface of the first tube pass relative to a central axis of the first tube pass. The furnace system also includes a baffle that is coupled to the burner assembly, extends toward the first tube pass, and is configured to contact the flame and the first tube pass.
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