Water heating apparatus and water heating system
In an immediate hot water supply operation mode in which a circulation pump is activated while a hot water supply faucet is closed, a water heating apparatus forms an immediate hot water supply circulation path by an inner path including a water entry path, a heat exchanger, and a hot water output p...
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| creator | Ushio, Atsushi Hasegawa, Takahide |
| description | In an immediate hot water supply operation mode in which a circulation pump is activated while a hot water supply faucet is closed, a water heating apparatus forms an immediate hot water supply circulation path by an inner path including a water entry path, a heat exchanger, and a hot water output path and an outer path bypassing the hot water supply faucet, as being combined. A controller stores as an actual flow rate value for each immediate hot water supply operation mode, a flow rate detection value by a flow rate sensor at predetermined timing, and calculates a flow rate learning value based on a plurality of stored actual flow rate values. When the flow rate detection value becomes larger than a criterion value set in accordance with the flow rate learning value, use of the hot water supply faucet is detected and the circulation pump is deactivated. |
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A controller stores as an actual flow rate value for each immediate hot water supply operation mode, a flow rate detection value by a flow rate sensor at predetermined timing, and calculates a flow rate learning value based on a plurality of stored actual flow rate values. When the flow rate detection value becomes larger than a criterion value set in accordance with the flow rate learning value, use of the hot water supply faucet is detected and the circulation pump is deactivated.</description><language>eng</language><subject>BLASTING ; DOMESTIC HOT-WATER SUPPLY SYSTEMS ; DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ; ELEMENTS OR COMPONENTS THEREFOR ; FIXED CONSTRUCTIONS ; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL ; HEATING ; INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER ; LIGHTING ; MECHANICAL ENGINEERING ; RANGES ; SEWERAGE ; VENTILATING ; WATER SUPPLY ; WEAPONS</subject><creationdate>2023</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=20230502&DB=EPODOC&CC=US&NR=11639813B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230502&DB=EPODOC&CC=US&NR=11639813B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Ushio, Atsushi</creatorcontrib><creatorcontrib>Hasegawa, Takahide</creatorcontrib><title>Water heating apparatus and water heating system</title><description>In an immediate hot water supply operation mode in which a circulation pump is activated while a hot water supply faucet is closed, a water heating apparatus forms an immediate hot water supply circulation path by an inner path including a water entry path, a heat exchanger, and a hot water output path and an outer path bypassing the hot water supply faucet, as being combined. A controller stores as an actual flow rate value for each immediate hot water supply operation mode, a flow rate detection value by a flow rate sensor at predetermined timing, and calculates a flow rate learning value based on a plurality of stored actual flow rate values. When the flow rate detection value becomes larger than a criterion value set in accordance with the flow rate learning value, use of the hot water supply faucet is detected and the circulation pump is deactivated.</description><subject>BLASTING</subject><subject>DOMESTIC HOT-WATER SUPPLY SYSTEMS</subject><subject>DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS</subject><subject>ELEMENTS OR COMPONENTS THEREFOR</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL</subject><subject>HEATING</subject><subject>INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>RANGES</subject><subject>SEWERAGE</subject><subject>VENTILATING</subject><subject>WATER SUPPLY</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAITyxJLVLISE0sycxLV0gsKEgsSiwpLVZIzEtRKEeRK64sLknN5WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8aHBhoZmxpYWhsZORsbEqAEAb9crmg</recordid><startdate>20230502</startdate><enddate>20230502</enddate><creator>Ushio, Atsushi</creator><creator>Hasegawa, Takahide</creator><scope>EVB</scope></search><sort><creationdate>20230502</creationdate><title>Water heating apparatus and water heating system</title><author>Ushio, Atsushi ; Hasegawa, Takahide</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11639813B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>BLASTING</topic><topic>DOMESTIC HOT-WATER SUPPLY SYSTEMS</topic><topic>DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS</topic><topic>ELEMENTS OR COMPONENTS THEREFOR</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL</topic><topic>HEATING</topic><topic>INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>RANGES</topic><topic>SEWERAGE</topic><topic>VENTILATING</topic><topic>WATER SUPPLY</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Ushio, Atsushi</creatorcontrib><creatorcontrib>Hasegawa, Takahide</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ushio, Atsushi</au><au>Hasegawa, Takahide</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Water heating apparatus and water heating system</title><date>2023-05-02</date><risdate>2023</risdate><abstract>In an immediate hot water supply operation mode in which a circulation pump is activated while a hot water supply faucet is closed, a water heating apparatus forms an immediate hot water supply circulation path by an inner path including a water entry path, a heat exchanger, and a hot water output path and an outer path bypassing the hot water supply faucet, as being combined. A controller stores as an actual flow rate value for each immediate hot water supply operation mode, a flow rate detection value by a flow rate sensor at predetermined timing, and calculates a flow rate learning value based on a plurality of stored actual flow rate values. When the flow rate detection value becomes larger than a criterion value set in accordance with the flow rate learning value, use of the hot water supply faucet is detected and the circulation pump is deactivated.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING DOMESTIC HOT-WATER SUPPLY SYSTEMS DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATINGSYSTEMS ELEMENTS OR COMPONENTS THEREFOR FIXED CONSTRUCTIONS FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, ORDISTRIBUTING WATER LIGHTING MECHANICAL ENGINEERING RANGES SEWERAGE VENTILATING WATER SUPPLY WEAPONS |
| title | Water heating apparatus and water heating system |
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