ELECTRONIC EXPANSION VALVES HAVING MULTIPLE ORIFICE PLATES
An electronic expansion valve (EEV) is operated by a motor controlling a variable restriction valve in which a liquid refrigerant enters at a high pressure and exits at a reduced pressure. The motor controls the depth of a tapered needle which, as extended, penetrates multiple fixed orifices, aligne...
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| creator | STOUT, Roger, E GARRABRANT, Michael, A KEINATH, Christopher M GLANVILLE, Paul, E BLAYLOCK, Matthew, C |
| description | An electronic expansion valve (EEV) is operated by a motor controlling a variable restriction valve in which a liquid refrigerant enters at a high pressure and exits at a reduced pressure. The motor controls the depth of a tapered needle which, as extended, penetrates multiple fixed orifices, aligned in series. Additional fixed orifices, downstream of the fully extended needle, provide further restriction and management of refrigerant flashing. Depending on the desired operating range, the following elements may be controlled: needle length, diameter, and taper; diameter, thickness, and relative elevation of each orifice; response and maximum torque provided by the motor; and geometry of the valve enclosed volume. |
| format | Patent |
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The motor controls the depth of a tapered needle which, as extended, penetrates multiple fixed orifices, aligned in series. Additional fixed orifices, downstream of the fully extended needle, provide further restriction and management of refrigerant flashing. Depending on the desired operating range, the following elements may be controlled: needle length, diameter, and taper; diameter, thickness, and relative elevation of each orifice; response and maximum torque provided by the motor; and geometry of the valve enclosed volume.</description><language>eng ; fre ; ger</language><subject>ACTUATING-FLOATS ; BLASTING ; COCKS ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ; DEVICES FOR VENTING OR AERATING ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; 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 ; THERMAL INSULATION IN GENERAL ; VALVES ; WEAPONS</subject><creationdate>2019</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=20190522&DB=EPODOC&CC=EP&NR=3485206A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190522&DB=EPODOC&CC=EP&NR=3485206A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>STOUT, Roger, E</creatorcontrib><creatorcontrib>GARRABRANT, Michael, A</creatorcontrib><creatorcontrib>KEINATH, Christopher M</creatorcontrib><creatorcontrib>GLANVILLE, Paul, E</creatorcontrib><creatorcontrib>BLAYLOCK, Matthew, C</creatorcontrib><title>ELECTRONIC EXPANSION VALVES HAVING MULTIPLE ORIFICE PLATES</title><description>An electronic expansion valve (EEV) is operated by a motor controlling a variable restriction valve in which a liquid refrigerant enters at a high pressure and exits at a reduced pressure. The motor controls the depth of a tapered needle which, as extended, penetrates multiple fixed orifices, aligned in series. Additional fixed orifices, downstream of the fully extended needle, provide further restriction and management of refrigerant flashing. Depending on the desired operating range, the following elements may be controlled: needle length, diameter, and taper; diameter, thickness, and relative elevation of each orifice; response and maximum torque provided by the motor; and geometry of the valve enclosed volume.</description><subject>ACTUATING-FLOATS</subject><subject>BLASTING</subject><subject>COCKS</subject><subject>COMBINED HEATING AND REFRIGERATION SYSTEMS</subject><subject>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</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>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>THERMAL INSULATION IN GENERAL</subject><subject>VALVES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLBy9XF1Dgny9_N0VnCNCHD0C_b091MIc_QJcw1W8HAM8_RzV_AN9QnxDPBxVfAP8nTzdHZVCPBxDHEN5mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BxiYWpkYGZo6GxkQoAQCGQyji</recordid><startdate>20190522</startdate><enddate>20190522</enddate><creator>STOUT, Roger, E</creator><creator>GARRABRANT, Michael, A</creator><creator>KEINATH, Christopher M</creator><creator>GLANVILLE, Paul, E</creator><creator>BLAYLOCK, Matthew, C</creator><scope>EVB</scope></search><sort><creationdate>20190522</creationdate><title>ELECTRONIC EXPANSION VALVES HAVING MULTIPLE ORIFICE PLATES</title><author>STOUT, Roger, E ; GARRABRANT, Michael, A ; KEINATH, Christopher M ; GLANVILLE, Paul, E ; BLAYLOCK, Matthew, C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP3485206A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2019</creationdate><topic>ACTUATING-FLOATS</topic><topic>BLASTING</topic><topic>COCKS</topic><topic>COMBINED HEATING AND REFRIGERATION SYSTEMS</topic><topic>DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING</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>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>THERMAL INSULATION IN GENERAL</topic><topic>VALVES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>STOUT, Roger, E</creatorcontrib><creatorcontrib>GARRABRANT, Michael, A</creatorcontrib><creatorcontrib>KEINATH, Christopher M</creatorcontrib><creatorcontrib>GLANVILLE, Paul, E</creatorcontrib><creatorcontrib>BLAYLOCK, Matthew, C</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>STOUT, Roger, E</au><au>GARRABRANT, Michael, A</au><au>KEINATH, Christopher M</au><au>GLANVILLE, Paul, E</au><au>BLAYLOCK, Matthew, C</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRONIC EXPANSION VALVES HAVING MULTIPLE ORIFICE PLATES</title><date>2019-05-22</date><risdate>2019</risdate><abstract>An electronic expansion valve (EEV) is operated by a motor controlling a variable restriction valve in which a liquid refrigerant enters at a high pressure and exits at a reduced pressure. The motor controls the depth of a tapered needle which, as extended, penetrates multiple fixed orifices, aligned in series. Additional fixed orifices, downstream of the fully extended needle, provide further restriction and management of refrigerant flashing. Depending on the desired operating range, the following elements may be controlled: needle length, diameter, and taper; diameter, thickness, and relative elevation of each orifice; response and maximum torque provided by the motor; and geometry of the valve enclosed volume.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| source | esp@cenet |
| subjects | ACTUATING-FLOATS BLASTING COCKS COMBINED HEATING AND REFRIGERATION SYSTEMS DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS 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 THERMAL INSULATION IN GENERAL VALVES WEAPONS |
| title | ELECTRONIC EXPANSION VALVES HAVING MULTIPLE ORIFICE PLATES |
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