Electric heating element utilizing ceramic PTC resistors for heating flooring media
A heating element for heating a flowing medium includes a heat exchanger made of a plurality of metallic bodies. The metallic bodies have a plurality of passageways extending therethrough and widened on an inlet side in a conical fashion. Positive temperature coefficient (PTC) ceramic resistor are l...
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| creator | SCHWARZL HELMUT UNTERLASS JOSEF |
| description | A heating element for heating a flowing medium includes a heat exchanger made of a plurality of metallic bodies. The metallic bodies have a plurality of passageways extending therethrough and widened on an inlet side in a conical fashion. Positive temperature coefficient (PTC) ceramic resistor are located between adjacent metallic bodies and are encased in a synthetic resin material. The same synthetic resin material is used to form bridges extending through some of the passageways which mechanically fix adjacent metallic bodies to each other. When the heating element is combined with a pipeline system, an annular ring of the same synthetic resin material surrounds the heating element to thermally and electrically insulate the heating element from the pipeline. The PTC heating elements are electrically coupled and mechanically fixed to the metallic bodies by an adhesive, and the metallic bodies thus serving as current supply conduits. |
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The metallic bodies have a plurality of passageways extending therethrough and widened on an inlet side in a conical fashion. Positive temperature coefficient (PTC) ceramic resistor are located between adjacent metallic bodies and are encased in a synthetic resin material. The same synthetic resin material is used to form bridges extending through some of the passageways which mechanically fix adjacent metallic bodies to each other. When the heating element is combined with a pipeline system, an annular ring of the same synthetic resin material surrounds the heating element to thermally and electrically insulate the heating element from the pipeline. The PTC heating elements are electrically coupled and mechanically fixed to the metallic bodies by an adhesive, and the metallic bodies thus serving as current supply conduits.</description><language>eng</language><subject>BLASTING ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; RANGES ; VENTILATING ; WEAPONS</subject><creationdate>1990</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=19900206&DB=EPODOC&CC=US&NR=4899032A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900206&DB=EPODOC&CC=US&NR=4899032A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHWARZL; HELMUT</creatorcontrib><creatorcontrib>UNTERLASS; JOSEF</creatorcontrib><title>Electric heating element utilizing ceramic PTC resistors for heating flooring media</title><description>A heating element for heating a flowing medium includes a heat exchanger made of a plurality of metallic bodies. The metallic bodies have a plurality of passageways extending therethrough and widened on an inlet side in a conical fashion. Positive temperature coefficient (PTC) ceramic resistor are located between adjacent metallic bodies and are encased in a synthetic resin material. The same synthetic resin material is used to form bridges extending through some of the passageways which mechanically fix adjacent metallic bodies to each other. When the heating element is combined with a pipeline system, an annular ring of the same synthetic resin material surrounds the heating element to thermally and electrically insulate the heating element from the pipeline. The PTC heating elements are electrically coupled and mechanically fixed to the metallic bodies by an adhesive, and the metallic bodies thus serving as current supply conduits.</description><subject>BLASTING</subject><subject>ELECTRIC HEATING</subject><subject>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</subject><subject>ELECTRICITY</subject><subject>FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>RANGES</subject><subject>VENTILATING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZAh2zUlNLinKTFbISE0sycxLV0jNSc1NzStRKC3JzMmsAokkpxYl5gJVBIQ4KxSlFmcWl-QXFSuk5RfB9aTl5OcXgRi5qSmZiTwMrGmJOcWpvFCam0HezTXE2UM3tSA_PrW4IDE5NS-1JD402MTC0tLA2MjRmLAKAI_GN-4</recordid><startdate>19900206</startdate><enddate>19900206</enddate><creator>SCHWARZL; HELMUT</creator><creator>UNTERLASS; JOSEF</creator><scope>EVB</scope></search><sort><creationdate>19900206</creationdate><title>Electric heating element utilizing ceramic PTC resistors for heating flooring media</title><author>SCHWARZL; HELMUT ; UNTERLASS; JOSEF</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US4899032A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>BLASTING</topic><topic>ELECTRIC HEATING</topic><topic>ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR</topic><topic>ELECTRICITY</topic><topic>FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>RANGES</topic><topic>VENTILATING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SCHWARZL; HELMUT</creatorcontrib><creatorcontrib>UNTERLASS; JOSEF</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SCHWARZL; HELMUT</au><au>UNTERLASS; JOSEF</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Electric heating element utilizing ceramic PTC resistors for heating flooring media</title><date>1990-02-06</date><risdate>1990</risdate><abstract>A heating element for heating a flowing medium includes a heat exchanger made of a plurality of metallic bodies. The metallic bodies have a plurality of passageways extending therethrough and widened on an inlet side in a conical fashion. Positive temperature coefficient (PTC) ceramic resistor are located between adjacent metallic bodies and are encased in a synthetic resin material. The same synthetic resin material is used to form bridges extending through some of the passageways which mechanically fix adjacent metallic bodies to each other. When the heating element is combined with a pipeline system, an annular ring of the same synthetic resin material surrounds the heating element to thermally and electrically insulate the heating element from the pipeline. The PTC heating elements are electrically coupled and mechanically fixed to the metallic bodies by an adhesive, and the metallic bodies thus serving as current supply conduits.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS |
| title | Electric heating element utilizing ceramic PTC resistors for heating flooring media |
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