Heat exchanger and manufacturing method therefor
A heat exchanger includes a tube expansion portion formed by expanding a heat transfer tube so that an outer peripheral surface of the heat transfer tube is pressed against an inner peripheral surface of a hole provided in a side wall portion of a case. The tube expansion portion includes first and...
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| creator | Terasawa, Taihei Se, Naoki Okuda, Shoji Kondo, Masaki Fujisawa, Hideyuki |
| description | A heat exchanger includes a tube expansion portion formed by expanding a heat transfer tube so that an outer peripheral surface of the heat transfer tube is pressed against an inner peripheral surface of a hole provided in a side wall portion of a case. The tube expansion portion includes first and second bulge portions positioned respectively on the inside and the outside of the side wall portion so as to sandwich the side wall portion in an axial length direction of the heat transfer tube and configured such that respective outer peripheral surfaces thereof partially bulge outward in a radial direction of the heat transfer tube, an end portion tip end of the heat transfer tube is positioned apart from the second bulge portion, and the end portion tip end and a part in the vicinity thereof are expanded so as to be included in a part of the tube expansion portion. Thus, effects such as improving the precision with which the side wall portion of the case, the heat transfer tube, and a connecting tube are fitted to each other can be achieved, and as a result, the respective parts can be brazed easily and appropriately. |
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The tube expansion portion includes first and second bulge portions positioned respectively on the inside and the outside of the side wall portion so as to sandwich the side wall portion in an axial length direction of the heat transfer tube and configured such that respective outer peripheral surfaces thereof partially bulge outward in a radial direction of the heat transfer tube, an end portion tip end of the heat transfer tube is positioned apart from the second bulge portion, and the end portion tip end and a part in the vicinity thereof are expanded so as to be included in a part of the tube expansion portion. Thus, effects such as improving the precision with which the side wall portion of the case, the heat transfer tube, and a connecting tube are fitted to each other can be achieved, and as a result, the respective parts can be brazed easily and appropriately.</description><language>eng</language><subject>BLASTING ; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ; ENGINEERING ELEMENTS AND UNITS ; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEAT EXCHANGE IN GENERAL ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LIGHTING ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PIPES ; PUNCHING METAL ; RANGES ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; VENTILATING ; WEAPONS ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220614&DB=EPODOC&CC=US&NR=11359838B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220614&DB=EPODOC&CC=US&NR=11359838B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Terasawa, Taihei</creatorcontrib><creatorcontrib>Se, Naoki</creatorcontrib><creatorcontrib>Okuda, Shoji</creatorcontrib><creatorcontrib>Kondo, Masaki</creatorcontrib><creatorcontrib>Fujisawa, Hideyuki</creatorcontrib><title>Heat exchanger and manufacturing method therefor</title><description>A heat exchanger includes a tube expansion portion formed by expanding a heat transfer tube so that an outer peripheral surface of the heat transfer tube is pressed against an inner peripheral surface of a hole provided in a side wall portion of a case. The tube expansion portion includes first and second bulge portions positioned respectively on the inside and the outside of the side wall portion so as to sandwich the side wall portion in an axial length direction of the heat transfer tube and configured such that respective outer peripheral surfaces thereof partially bulge outward in a radial direction of the heat transfer tube, an end portion tip end of the heat transfer tube is positioned apart from the second bulge portion, and the end portion tip end and a part in the vicinity thereof are expanded so as to be included in a part of the tube expansion portion. Thus, effects such as improving the precision with which the side wall portion of the case, the heat transfer tube, and a connecting tube are fitted to each other can be achieved, and as a result, the respective parts can be brazed easily and appropriately.</description><subject>BLASTING</subject><subject>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEAT EXCHANGE IN GENERAL</subject><subject>HEATING</subject><subject>JOINTS OR FITTINGS FOR PIPES</subject><subject>LIGHTING</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PIPES</subject><subject>PUNCHING METAL</subject><subject>RANGES</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>VENTILATING</subject><subject>WEAPONS</subject><subject>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDwSE0sUUitSM5IzEtPLVJIzEtRyE3MK01LTC4pLcrMS1fITS3JyE9RKMlILUpNyy_iYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxocGGhsamlhbGFk5GxsSoAQBzXyu1</recordid><startdate>20220614</startdate><enddate>20220614</enddate><creator>Terasawa, Taihei</creator><creator>Se, Naoki</creator><creator>Okuda, Shoji</creator><creator>Kondo, Masaki</creator><creator>Fujisawa, Hideyuki</creator><scope>EVB</scope></search><sort><creationdate>20220614</creationdate><title>Heat exchanger and manufacturing method therefor</title><author>Terasawa, Taihei ; Se, Naoki ; Okuda, Shoji ; Kondo, Masaki ; Fujisawa, Hideyuki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11359838B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2022</creationdate><topic>BLASTING</topic><topic>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEAT EXCHANGE IN GENERAL</topic><topic>HEATING</topic><topic>JOINTS OR FITTINGS FOR PIPES</topic><topic>LIGHTING</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PIPES</topic><topic>PUNCHING METAL</topic><topic>RANGES</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>VENTILATING</topic><topic>WEAPONS</topic><topic>WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</topic><toplevel>online_resources</toplevel><creatorcontrib>Terasawa, Taihei</creatorcontrib><creatorcontrib>Se, Naoki</creatorcontrib><creatorcontrib>Okuda, Shoji</creatorcontrib><creatorcontrib>Kondo, Masaki</creatorcontrib><creatorcontrib>Fujisawa, Hideyuki</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Terasawa, Taihei</au><au>Se, Naoki</au><au>Okuda, Shoji</au><au>Kondo, Masaki</au><au>Fujisawa, Hideyuki</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Heat exchanger and manufacturing method therefor</title><date>2022-06-14</date><risdate>2022</risdate><abstract>A heat exchanger includes a tube expansion portion formed by expanding a heat transfer tube so that an outer peripheral surface of the heat transfer tube is pressed against an inner peripheral surface of a hole provided in a side wall portion of a case. The tube expansion portion includes first and second bulge portions positioned respectively on the inside and the outside of the side wall portion so as to sandwich the side wall portion in an axial length direction of the heat transfer tube and configured such that respective outer peripheral surfaces thereof partially bulge outward in a radial direction of the heat transfer tube, an end portion tip end of the heat transfer tube is positioned apart from the second bulge portion, and the end portion tip end and a part in the vicinity thereof are expanded so as to be included in a part of the tube expansion portion. Thus, effects such as improving the precision with which the side wall portion of the case, the heat transfer tube, and a connecting tube are fitted to each other can be achieved, and as a result, the respective parts can be brazed easily and appropriately.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_epo_espacenet_US11359838B2 |
| source | esp@cenet |
| subjects | BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ENGINEERING ELEMENTS AND UNITS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEAT EXCHANGE IN GENERAL HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PIPES PUNCHING METAL RANGES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING VENTILATING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
| title | Heat exchanger and manufacturing method therefor |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-27T21%3A00%3A28IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=Terasawa,%20Taihei&rft.date=2022-06-14&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EUS11359838B2%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |