Heat exchanger and method for manufacturing the heat exchanger
A heat exchanger includes a pair of header pipes having connection holes, and flat tubes disposed between the header pipes and connected to the header pipes at their end portions. Each of the flat tubes has connecting portions at its end portions which are inserted into the connection holes. The con...
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creator | SHINMURA TOSHIHARU |
description | A heat exchanger includes a pair of header pipes having connection holes, and flat tubes disposed between the header pipes and connected to the header pipes at their end portions. Each of the flat tubes has connecting portions at its end portions which are inserted into the connection holes. The connecting portions have a flow area substantially equal to the flow area of the central portion of the flat tube, and have a width smaller than the width of the central portion of the flat tube in the longitudinal direction of the cross section of the central portion of the flat tube. The connection holes may be small in the diameter direction of the header pipes; thus the diameter of the header pipes can be decreased. As a result, the amount of the used heat medium can be reduced. The flat tubes are easily assembled to a desired position merely by inserting the connecting portions into the connection holes. |
format | Patent |
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Each of the flat tubes has connecting portions at its end portions which are inserted into the connection holes. The connecting portions have a flow area substantially equal to the flow area of the central portion of the flat tube, and have a width smaller than the width of the central portion of the flat tube in the longitudinal direction of the cross section of the central portion of the flat tube. The connection holes may be small in the diameter direction of the header pipes; thus the diameter of the header pipes can be decreased. As a result, the amount of the used heat medium can be reduced. The flat tubes are easily assembled to a desired position merely by inserting the connecting portions into the connection holes.</description><language>eng</language><subject>BLASTING ; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEAT EXCHANGE IN GENERAL ; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TRANSPORTING ; WEAPONS ; WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL</subject><creationdate>1992</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=19920331&DB=EPODOC&CC=US&NR=5099576A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920331&DB=EPODOC&CC=US&NR=5099576A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHINMURA; TOSHIHARU</creatorcontrib><title>Heat exchanger and method for manufacturing the heat exchanger</title><description>A heat exchanger includes a pair of header pipes having connection holes, and flat tubes disposed between the header pipes and connected to the header pipes at their end portions. Each of the flat tubes has connecting portions at its end portions which are inserted into the connection holes. The connecting portions have a flow area substantially equal to the flow area of the central portion of the flat tube, and have a width smaller than the width of the central portion of the flat tube in the longitudinal direction of the cross section of the central portion of the flat tube. The connection holes may be small in the diameter direction of the header pipes; thus the diameter of the header pipes can be decreased. As a result, the amount of the used heat medium can be reduced. The flat tubes are easily assembled to a desired position merely by inserting the connecting portions into the connection holes.</description><subject>BLASTING</subject><subject>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HEAT EXCHANGE IN GENERAL</subject><subject>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING METAL</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TRANSPORTING</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>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDzSE0sUUitSM5IzEtPLVJIzEtRyE0tychPUUjLL1LITcwrTUtMLiktysxLVyjJSFXIQFHPw8CalphTnMoLpbkZ5N1cQ5w9dFML8uNTiwsSk1PzUkviQ4NNDSwtTc3NHI0JqwAAjCkv3w</recordid><startdate>19920331</startdate><enddate>19920331</enddate><creator>SHINMURA; TOSHIHARU</creator><scope>EVB</scope></search><sort><creationdate>19920331</creationdate><title>Heat exchanger and method for manufacturing the heat exchanger</title><author>SHINMURA; TOSHIHARU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US5099576A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>BLASTING</topic><topic>DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>HEAT EXCHANGE IN GENERAL</topic><topic>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING METAL</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TRANSPORTING</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>SHINMURA; TOSHIHARU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHINMURA; TOSHIHARU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Heat exchanger and method for manufacturing the heat exchanger</title><date>1992-03-31</date><risdate>1992</risdate><abstract>A heat exchanger includes a pair of header pipes having connection holes, and flat tubes disposed between the header pipes and connected to the header pipes at their end portions. Each of the flat tubes has connecting portions at its end portions which are inserted into the connection holes. The connecting portions have a flow area substantially equal to the flow area of the central portion of the flat tube, and have a width smaller than the width of the central portion of the flat tube in the longitudinal direction of the cross section of the central portion of the flat tube. The connection holes may be small in the diameter direction of the header pipes; thus the diameter of the header pipes can be decreased. As a result, the amount of the used heat medium can be reduced. The flat tubes are easily assembled to a desired position merely by inserting the connecting portions into the connection holes.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | BLASTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL |
title | Heat exchanger and method for manufacturing the heat exchanger |
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