TUBULAR REFRIGERANT CHECK VALVE WITH INDENTED OUTER HOUSING PORTION
A check valve connectable in a refrigerant line is economically fabricated from only three parts - (1) a copper tubing body connectable in the refrigerant line, (2) a nonmetallic shutoff ball, and (3) an annular valve seat member having a conically tapered seating surface on one of its ends. The sea...
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| creator | TANG, PUNAN JAKOBS, DIANE M |
| description | A check valve connectable in a refrigerant line is economically fabricated from only three parts - (1) a copper tubing body connectable in the refrigerant line, (2) a nonmetallic shutoff ball, and (3) an annular valve seat member having a conically tapered seating surface on one of its ends. The seat member is coaxially received within a first end of a longitudinally central portion of the tubing positioned between spun-down opposite end portions thereof, with the seating surface end of the seat member facing the second end of the central tubing portion, and the ball being received in the central tubing portion for axial movement into and out of sealing engagement with the seating surface. Three circumferentially spaced, axially elongated side wall indentations are formed in the central tubing portion . The indentations have (1) first end portions which, with the first end of the central tubing portion, axially locks the seat member within the central tubing portion, (2) second end portions that combinatively form an axial stop for the ball, and (3) main body portions that combinatively form within the central tubing portion a track structure that axially guides the ball between its closed position against the seating surface and its open position against the axial stop. When the ball is in its open position against the axial stop, refrigerant flows through the interior of the valve seating member and then around the ball via circumferentially spaced, axially extending fluid bypass passages positioned between the tubing side wall indentations. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CA2228090C</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CA2228090C</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CA2228090C3</originalsourceid><addsrcrecordid>eNqFyrEKwjAQANAsDqJ-g_cDQomLjvF6bYLlIueljqXIOYkW6v_j4u70lrd0qOVUuiAg1EhqSQIrYCQ8Qx-6nuCWNELimliphlyUBGIu18QtXLJoyrx2i8f4nG3zc-W2DSnGnU3vweZpvNvLPgMG7_2hOla4_z--nlAq0A</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>TUBULAR REFRIGERANT CHECK VALVE WITH INDENTED OUTER HOUSING PORTION</title><source>esp@cenet</source><creator>TANG, PUNAN ; JAKOBS, DIANE M</creator><creatorcontrib>TANG, PUNAN ; JAKOBS, DIANE M</creatorcontrib><description>A check valve connectable in a refrigerant line is economically fabricated from only three parts - (1) a copper tubing body connectable in the refrigerant line, (2) a nonmetallic shutoff ball, and (3) an annular valve seat member having a conically tapered seating surface on one of its ends. The seat member is coaxially received within a first end of a longitudinally central portion of the tubing positioned between spun-down opposite end portions thereof, with the seating surface end of the seat member facing the second end of the central tubing portion, and the ball being received in the central tubing portion for axial movement into and out of sealing engagement with the seating surface. Three circumferentially spaced, axially elongated side wall indentations are formed in the central tubing portion . The indentations have (1) first end portions which, with the first end of the central tubing portion, axially locks the seat member within the central tubing portion, (2) second end portions that combinatively form an axial stop for the ball, and (3) main body portions that combinatively form within the central tubing portion a track structure that axially guides the ball between its closed position against the seating surface and its open position against the axial stop. When the ball is in its open position against the axial stop, refrigerant flows through the interior of the valve seating member and then around the ball via circumferentially spaced, axially extending fluid bypass passages positioned between the tubing side wall indentations.</description><edition>6</edition><language>eng ; fre</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HEAT PUMP SYSTEMS ; HEATING ; LIGHTING ; LIQUEFACTION SOLIDIFICATION OF GASES ; MANUFACTURE OR STORAGE OF ICE ; MECHANICAL ENGINEERING ; REFRIGERATION MACHINES, PLANTS OR SYSTEMS ; REFRIGERATION OR COOLING ; TAPS ; 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 ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2001</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=20010515&DB=EPODOC&CC=CA&NR=2228090C$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010515&DB=EPODOC&CC=CA&NR=2228090C$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANG, PUNAN</creatorcontrib><creatorcontrib>JAKOBS, DIANE M</creatorcontrib><title>TUBULAR REFRIGERANT CHECK VALVE WITH INDENTED OUTER HOUSING PORTION</title><description>A check valve connectable in a refrigerant line is economically fabricated from only three parts - (1) a copper tubing body connectable in the refrigerant line, (2) a nonmetallic shutoff ball, and (3) an annular valve seat member having a conically tapered seating surface on one of its ends. The seat member is coaxially received within a first end of a longitudinally central portion of the tubing positioned between spun-down opposite end portions thereof, with the seating surface end of the seat member facing the second end of the central tubing portion, and the ball being received in the central tubing portion for axial movement into and out of sealing engagement with the seating surface. Three circumferentially spaced, axially elongated side wall indentations are formed in the central tubing portion . The indentations have (1) first end portions which, with the first end of the central tubing portion, axially locks the seat member within the central tubing portion, (2) second end portions that combinatively form an axial stop for the ball, and (3) main body portions that combinatively form within the central tubing portion a track structure that axially guides the ball between its closed position against the seating surface and its open position against the axial stop. When the ball is in its open position against the axial stop, refrigerant flows through the interior of the valve seating member and then around the ball via circumferentially spaced, axially extending fluid bypass passages positioned between the tubing side wall indentations.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>COMBINED HEATING AND REFRIGERATION SYSTEMS</subject><subject>DEVICES FOR VENTING OR AERATING</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</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 PUMP SYSTEMS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>LIQUEFACTION SOLIDIFICATION OF GASES</subject><subject>MANUFACTURE OR STORAGE OF ICE</subject><subject>MECHANICAL ENGINEERING</subject><subject>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</subject><subject>REFRIGERATION OR COOLING</subject><subject>TAPS</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>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFyrEKwjAQANAsDqJ-g_cDQomLjvF6bYLlIueljqXIOYkW6v_j4u70lrd0qOVUuiAg1EhqSQIrYCQ8Qx-6nuCWNELimliphlyUBGIu18QtXLJoyrx2i8f4nG3zc-W2DSnGnU3vweZpvNvLPgMG7_2hOla4_z--nlAq0A</recordid><startdate>20010515</startdate><enddate>20010515</enddate><creator>TANG, PUNAN</creator><creator>JAKOBS, DIANE M</creator><scope>EVB</scope></search><sort><creationdate>20010515</creationdate><title>TUBULAR REFRIGERANT CHECK VALVE WITH INDENTED OUTER HOUSING PORTION</title><author>TANG, PUNAN ; JAKOBS, DIANE M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2228090C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2001</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>COMBINED HEATING AND REFRIGERATION SYSTEMS</topic><topic>DEVICES FOR VENTING OR AERATING</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</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 PUMP SYSTEMS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>LIQUEFACTION SOLIDIFICATION OF GASES</topic><topic>MANUFACTURE OR STORAGE OF ICE</topic><topic>MECHANICAL ENGINEERING</topic><topic>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</topic><topic>REFRIGERATION OR COOLING</topic><topic>TAPS</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>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>TANG, PUNAN</creatorcontrib><creatorcontrib>JAKOBS, DIANE M</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TANG, PUNAN</au><au>JAKOBS, DIANE M</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TUBULAR REFRIGERANT CHECK VALVE WITH INDENTED OUTER HOUSING PORTION</title><date>2001-05-15</date><risdate>2001</risdate><abstract>A check valve connectable in a refrigerant line is economically fabricated from only three parts - (1) a copper tubing body connectable in the refrigerant line, (2) a nonmetallic shutoff ball, and (3) an annular valve seat member having a conically tapered seating surface on one of its ends. The seat member is coaxially received within a first end of a longitudinally central portion of the tubing positioned between spun-down opposite end portions thereof, with the seating surface end of the seat member facing the second end of the central tubing portion, and the ball being received in the central tubing portion for axial movement into and out of sealing engagement with the seating surface. Three circumferentially spaced, axially elongated side wall indentations are formed in the central tubing portion . The indentations have (1) first end portions which, with the first end of the central tubing portion, axially locks the seat member within the central tubing portion, (2) second end portions that combinatively form an axial stop for the ball, and (3) main body portions that combinatively form within the central tubing portion a track structure that axially guides the ball between its closed position against the seating surface and its open position against the axial stop. When the ball is in its open position against the axial stop, refrigerant flows through the interior of the valve seating member and then around the ball via circumferentially spaced, axially extending fluid bypass passages positioned between the tubing side wall indentations.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
| recordid | cdi_epo_espacenet_CA2228090C |
| source | esp@cenet |
| subjects | ACTUATING-FLOATS BLASTING COCKS COMBINED HEATING AND REFRIGERATION SYSTEMS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING TAPS 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 THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | TUBULAR REFRIGERANT CHECK VALVE WITH INDENTED OUTER HOUSING PORTION |
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