REFRIGERATOR ENERGY AND TEMPERATURE CONTROL
Apparatus and methodologies are provided to improve the refrigeration system (10) by precisely controlling refrigerator compartment and heat exchanger temperatures through continuous modulation of device speeds or positions to match capacity with instantaneous load. A controller (302) in a refrigera...
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| creator | BECKLEY, BRYAN JAMES SCHORK, BRIAN MICHAEL MAY, JASON ANDREW |
| description | Apparatus and methodologies are provided to improve the refrigeration system (10) by precisely controlling refrigerator compartment and heat exchanger temperatures through continuous modulation of device speeds or positions to match capacity with instantaneous load. A controller (302) in a refrigerator (300) is configured to provide a plurality of control loops to control various operational aspects of selected components in the refrigerator. A first loop controls the operating speed of a compressor (364) based on temperature of the evaporator (370) or based on the desired speed of an evaporator fan (374). A second control loop controls speed of an evaporator fan (374) to maintain a prescribed freezer compartment (314) temperature. A third control loop maintains a prescribed temperature in a fresh food compartment (312). In certain embodiments selected of the control loops may be thermodynamically coupled by way of thermal interaction between the various cooled compartments rather than being electrically coupled. The control loops may be individually configured as one of a proportional, proportional-integral, or proportional-integral-derivative control loop. |
| format | Patent |
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A controller (302) in a refrigerator (300) is configured to provide a plurality of control loops to control various operational aspects of selected components in the refrigerator. A first loop controls the operating speed of a compressor (364) based on temperature of the evaporator (370) or based on the desired speed of an evaporator fan (374). A second control loop controls speed of an evaporator fan (374) to maintain a prescribed freezer compartment (314) temperature. A third control loop maintains a prescribed temperature in a fresh food compartment (312). In certain embodiments selected of the control loops may be thermodynamically coupled by way of thermal interaction between the various cooled compartments rather than being electrically coupled. The control loops may be individually configured as one of a proportional, proportional-integral, or proportional-integral-derivative control loop.</description><language>eng ; fre</language><subject>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 ; REFRIGERATION OR COOLING ; REFRIGERATORS ; WEAPONS</subject><creationdate>2012</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=20120601&DB=EPODOC&CC=CA&NR=2759558A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120601&DB=EPODOC&CC=CA&NR=2759558A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>BECKLEY, BRYAN JAMES</creatorcontrib><creatorcontrib>SCHORK, BRIAN MICHAEL</creatorcontrib><creatorcontrib>MAY, JASON ANDREW</creatorcontrib><title>REFRIGERATOR ENERGY AND TEMPERATURE CONTROL</title><description>Apparatus and methodologies are provided to improve the refrigeration system (10) by precisely controlling refrigerator compartment and heat exchanger temperatures through continuous modulation of device speeds or positions to match capacity with instantaneous load. A controller (302) in a refrigerator (300) is configured to provide a plurality of control loops to control various operational aspects of selected components in the refrigerator. A first loop controls the operating speed of a compressor (364) based on temperature of the evaporator (370) or based on the desired speed of an evaporator fan (374). A second control loop controls speed of an evaporator fan (374) to maintain a prescribed freezer compartment (314) temperature. A third control loop maintains a prescribed temperature in a fresh food compartment (312). In certain embodiments selected of the control loops may be thermodynamically coupled by way of thermal interaction between the various cooled compartments rather than being electrically coupled. The control loops may be individually configured as one of a proportional, proportional-integral, or proportional-integral-derivative control loop.</description><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>REFRIGERATION OR COOLING</subject><subject>REFRIGERATORS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAOcnUL8nR3DXIM8Q9ScPVzDXKPVHD0c1EIcfUNAImGBrkqOPv7hQT5-_AwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUknhnRyNzU0tTUwtHQ2MilAAASIEkwg</recordid><startdate>20120601</startdate><enddate>20120601</enddate><creator>BECKLEY, BRYAN JAMES</creator><creator>SCHORK, BRIAN MICHAEL</creator><creator>MAY, JASON ANDREW</creator><scope>EVB</scope></search><sort><creationdate>20120601</creationdate><title>REFRIGERATOR ENERGY AND TEMPERATURE CONTROL</title><author>BECKLEY, BRYAN JAMES ; SCHORK, BRIAN MICHAEL ; MAY, JASON ANDREW</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2759558A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2012</creationdate><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>REFRIGERATION OR COOLING</topic><topic>REFRIGERATORS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>BECKLEY, BRYAN JAMES</creatorcontrib><creatorcontrib>SCHORK, BRIAN MICHAEL</creatorcontrib><creatorcontrib>MAY, JASON ANDREW</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>BECKLEY, BRYAN JAMES</au><au>SCHORK, BRIAN MICHAEL</au><au>MAY, JASON ANDREW</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>REFRIGERATOR ENERGY AND TEMPERATURE CONTROL</title><date>2012-06-01</date><risdate>2012</risdate><abstract>Apparatus and methodologies are provided to improve the refrigeration system (10) by precisely controlling refrigerator compartment and heat exchanger temperatures through continuous modulation of device speeds or positions to match capacity with instantaneous load. A controller (302) in a refrigerator (300) is configured to provide a plurality of control loops to control various operational aspects of selected components in the refrigerator. A first loop controls the operating speed of a compressor (364) based on temperature of the evaporator (370) or based on the desired speed of an evaporator fan (374). A second control loop controls speed of an evaporator fan (374) to maintain a prescribed freezer compartment (314) temperature. A third control loop maintains a prescribed temperature in a fresh food compartment (312). In certain embodiments selected of the control loops may be thermodynamically coupled by way of thermal interaction between the various cooled compartments rather than being electrically coupled. The control loops may be individually configured as one of a proportional, proportional-integral, or proportional-integral-derivative control loop.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | 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 REFRIGERATION OR COOLING REFRIGERATORS WEAPONS |
| title | REFRIGERATOR ENERGY AND TEMPERATURE CONTROL |
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