TRANSPORT REFRIGERATION SYSTEM WITH SECONDARY CONDENSER AND MAXIMUM OPERATING PRESSURE EXPANSION VALVE
A transport refrigeration system, and method of operating same, in which a maximum operating pressure expansion valve and a secondary condenser are used to enhance hot gas heating cycles initiated to hold a predetermined temperature set point, and hot gas defrost cycles. The secondary condenser is d...
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| creator | LELAND LOUIS HOWLAND DAVID HUTTON TAYLOR CYNTHIA JOY SATTERNESS |
| description | A transport refrigeration system, and method of operating same, in which a maximum operating pressure expansion valve and a secondary condenser are used to enhance hot gas heating cycles initiated to hold a predetermined temperature set point, and hot gas defrost cycles. The secondary condenser is disposed in an evaporator section of the refrigeration system, with hot discharge gas from a compressor being directed to the secondary condenser during heating and defrost cycles. A sufficient supply of refrigerant for heating and defrost cycles is ensured by injecting refrigerant from a receiver and condenser into an active heat cycle refrigerant circuit, when the active refrigerant is insufficient to build the pressure on the low pressure side of the refrigeration system to a value sufficient to close the maximum operating pressure expansion valve and the compressor suction pressure is less than the receiver/condenser pressure. |
| format | Patent |
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The secondary condenser is disposed in an evaporator section of the refrigeration system, with hot discharge gas from a compressor being directed to the secondary condenser during heating and defrost cycles. A sufficient supply of refrigerant for heating and defrost cycles is ensured by injecting refrigerant from a receiver and condenser into an active heat cycle refrigerant circuit, when the active refrigerant is insufficient to build the pressure on the low pressure side of the refrigeration system to a value sufficient to close the maximum operating pressure expansion valve and the compressor suction pressure is less than the receiver/condenser pressure.</description><language>eng</language><subject>ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES ; BLASTING ; COLD ROOMS ; COMBINED HEATING AND REFRIGERATION SYSTEMS ; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS ; HEAT PUMP SYSTEMS ; HEATING ; ICE-BOXES ; LIGHTING ; LIQUEFACTION SOLIDIFICATION OF GASES ; MANUFACTURE OR STORAGE OF ICE ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; REFRIGERATION MACHINES, PLANTS OR SYSTEMS ; REFRIGERATION OR COOLING ; REFRIGERATORS ; TRANSPORTING ; VEHICLES IN GENERAL ; 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=19900822&DB=EPODOC&CC=GB&NR=2228309A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900822&DB=EPODOC&CC=GB&NR=2228309A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LELAND LOUIS HOWLAND</creatorcontrib><creatorcontrib>DAVID HUTTON TAYLOR</creatorcontrib><creatorcontrib>CYNTHIA JOY SATTERNESS</creatorcontrib><title>TRANSPORT REFRIGERATION SYSTEM WITH SECONDARY CONDENSER AND MAXIMUM OPERATING PRESSURE EXPANSION VALVE</title><description>A transport refrigeration system, and method of operating same, in which a maximum operating pressure expansion valve and a secondary condenser are used to enhance hot gas heating cycles initiated to hold a predetermined temperature set point, and hot gas defrost cycles. The secondary condenser is disposed in an evaporator section of the refrigeration system, with hot discharge gas from a compressor being directed to the secondary condenser during heating and defrost cycles. A sufficient supply of refrigerant for heating and defrost cycles is ensured by injecting refrigerant from a receiver and condenser into an active heat cycle refrigerant circuit, when the active refrigerant is insufficient to build the pressure on the low pressure side of the refrigeration system to a value sufficient to close the maximum operating pressure expansion valve and the compressor suction pressure is less than the receiver/condenser pressure.</description><subject>ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES</subject><subject>BLASTING</subject><subject>COLD ROOMS</subject><subject>COMBINED HEATING AND REFRIGERATION SYSTEMS</subject><subject>COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS</subject><subject>HEAT PUMP SYSTEMS</subject><subject>HEATING</subject><subject>ICE-BOXES</subject><subject>LIGHTING</subject><subject>LIQUEFACTION SOLIDIFICATION OF GASES</subject><subject>MANUFACTURE OR STORAGE OF ICE</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</subject><subject>REFRIGERATION OR COOLING</subject><subject>REFRIGERATORS</subject><subject>TRANSPORTING</subject><subject>VEHICLES IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFjLsOgkAQAGksjPoN7g-YGGi0XGCBS7xHdg-EihBzVEZJ8P-jGHuraWZmHY2e0Yiz7IGpYFUSo1fWgHTiScNV-QqEMmty5A4WkhFiQJODxlbpWoN138qU4JhEaiag1n2-y6jBS0PbaDUO9znsftxE-4J8Vh3C9OzDPA238AivvkzjOD4lxzMm_403bTw1Gw</recordid><startdate>19900822</startdate><enddate>19900822</enddate><creator>LELAND LOUIS HOWLAND</creator><creator>DAVID HUTTON TAYLOR</creator><creator>CYNTHIA JOY SATTERNESS</creator><scope>EVB</scope></search><sort><creationdate>19900822</creationdate><title>TRANSPORT REFRIGERATION SYSTEM WITH SECONDARY CONDENSER AND MAXIMUM OPERATING PRESSURE EXPANSION VALVE</title><author>LELAND LOUIS HOWLAND ; DAVID HUTTON TAYLOR ; CYNTHIA JOY SATTERNESS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2228309A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</creationdate><topic>ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES</topic><topic>BLASTING</topic><topic>COLD ROOMS</topic><topic>COMBINED HEATING AND REFRIGERATION SYSTEMS</topic><topic>COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS</topic><topic>HEAT PUMP SYSTEMS</topic><topic>HEATING</topic><topic>ICE-BOXES</topic><topic>LIGHTING</topic><topic>LIQUEFACTION SOLIDIFICATION OF GASES</topic><topic>MANUFACTURE OR STORAGE OF ICE</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>REFRIGERATION MACHINES, PLANTS OR SYSTEMS</topic><topic>REFRIGERATION OR COOLING</topic><topic>REFRIGERATORS</topic><topic>TRANSPORTING</topic><topic>VEHICLES IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>LELAND LOUIS HOWLAND</creatorcontrib><creatorcontrib>DAVID HUTTON TAYLOR</creatorcontrib><creatorcontrib>CYNTHIA JOY SATTERNESS</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LELAND LOUIS HOWLAND</au><au>DAVID HUTTON TAYLOR</au><au>CYNTHIA JOY SATTERNESS</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TRANSPORT REFRIGERATION SYSTEM WITH SECONDARY CONDENSER AND MAXIMUM OPERATING PRESSURE EXPANSION VALVE</title><date>1990-08-22</date><risdate>1990</risdate><abstract>A transport refrigeration system, and method of operating same, in which a maximum operating pressure expansion valve and a secondary condenser are used to enhance hot gas heating cycles initiated to hold a predetermined temperature set point, and hot gas defrost cycles. The secondary condenser is disposed in an evaporator section of the refrigeration system, with hot discharge gas from a compressor being directed to the secondary condenser during heating and defrost cycles. A sufficient supply of refrigerant for heating and defrost cycles is ensured by injecting refrigerant from a receiver and condenser into an active heat cycle refrigerant circuit, when the active refrigerant is insufficient to build the pressure on the low pressure side of the refrigeration system to a value sufficient to close the maximum operating pressure expansion valve and the compressor suction pressure is less than the receiver/condenser pressure.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING,OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODSSPACES OF VEHICLES BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING PERFORMING OPERATIONS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING REFRIGERATORS TRANSPORTING VEHICLES IN GENERAL WEAPONS |
| title | TRANSPORT REFRIGERATION SYSTEM WITH SECONDARY CONDENSER AND MAXIMUM OPERATING PRESSURE EXPANSION VALVE |
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