Synchronous temperature rate control for refrigeration with reduced energy consumption

Gomes, Alberto Regio; Keres, Stephen L.; Kuehl, Steven J.; Litch, Andrew D.; Richmond, Peter J.; Wu, Guolian

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A - human necessities
A01 - agriculture
A21 - baking
A22 - butchering
A23 - foods or foodstuffs
A24 - tobacco
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A42 - headwear
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B62 - land vehicles for travelling otherwise than on rails
B63 - ships or other waterborne vessels
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Title: Synchronous temperature rate control for refrigeration with reduced energy consumption

Abstract

Methods of operation for refrigerator appliance configurations with a controller, a condenser, at least one evaporator, a compressor, and two refrigeration compartments. The configuration may be equipped with a variable-speed or variable-capacity compressor, variable speed evaporator or compartment fans, a damper, and/or a dual-temperature evaporator with a valve system to control flow of refrigerant through one or more pressure reduction devices. The methods may include synchronizing alternating cycles of cooling each compartment to a temperature approximately equal to the compartment set point temperature by operation of the compressor, fans, damper and/or valve system. The methods may also include controlling the cooling rate in one or both compartments. Refrigeration compartment cooling may begin at an interval before or after when the freezer compartment reaches its lower threshold temperature. Freezer compartment cooling may begin at an interval before or after when the freezer compartment reaches its upper threshold temperature.

Inventors:: Gomes, Alberto Regio; Keres, Stephen L.; Kuehl, Steven J.; Litch, Andrew D.; Richmond, Peter J.; Wu, Guolian

Issue Date:: Tue Sep 22 00:00:00 EDT 2015

Research Org.:: Whirlpool Corporation, Benton Harbor, MI (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1215827

Patent Number(s):: 9140478

Application Number:: 13/476,435

Assignee:: Whirlpool Corporation (Benton Harbor, MI)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F25 - REFRIGERATION OR COOLING F25B - REFRIGERATION MACHINES, PLANTS OR SYSTEMS

F - MECHANICAL ENGINEERING F25 - REFRIGERATION OR COOLING F25D - REFRIGERATORS

Show more

F - MECHANICAL ENGINEERING F25 - REFRIGERATION OR COOLING F25B - REFRIGERATION MACHINES, PLANTS OR SYSTEMS
F25B2600/02 - Compressor control
F25B2600/2511 - Evaporator distribution valves
F25B5/02 - arranged in parallel

F - MECHANICAL ENGINEERING F25 - REFRIGERATION OR COOLING F25D - REFRIGERATORS
F25D11/02 - with cooling compartments at different temperatures
F25D11/022 - {with two or more evaporators}
F25D17/065 - {with compartments at different temperatures}
F25D2600/00 - Control issues
F25D2600/06 - Controlling according to a predetermined profile
F25D2700/121 - of particular compartments
F25D2700/122 - of freezer compartments
F25D29/00 - Arrangement or mounting of control or safety devices

Show less

DOE Contract Number:: EE0003910

Resource Type:: Patent

Resource Relation:: Patent File Date: 2012 May 21

Country of Publication:: United States

Language:: English

Subject:: 32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION

Citation Formats


                    Gomes, Alberto Regio, Keres, Stephen L., Kuehl, Steven J., Litch, Andrew D., Richmond, Peter J., and Wu, Guolian. Synchronous temperature rate control for refrigeration with reduced energy consumption.  United States: N. p., 2015. 
        Web.

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                    Gomes, Alberto Regio, Keres, Stephen L., Kuehl, Steven J., Litch, Andrew D., Richmond, Peter J., & Wu, Guolian. Synchronous temperature rate control for refrigeration with reduced energy consumption.  United States.

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                    Gomes, Alberto Regio, Keres, Stephen L., Kuehl, Steven J., Litch, Andrew D., Richmond, Peter J., and Wu, Guolian. Tue .  
        "Synchronous temperature rate control for refrigeration with reduced energy consumption".  United States.  https://www.osti.gov/servlets/purl/1215827.

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@article{osti_1215827,

  title        = {Synchronous temperature rate control for refrigeration with reduced energy consumption},

  author       = {Gomes, Alberto Regio and Keres, Stephen L. and Kuehl, Steven J. and Litch, Andrew D. and Richmond, Peter J. and Wu, Guolian},

  abstractNote = {Methods of operation for refrigerator appliance configurations with a controller, a condenser, at least one evaporator, a compressor, and two refrigeration compartments. The configuration may be equipped with a variable-speed or variable-capacity compressor, variable speed evaporator or compartment fans, a damper, and/or a dual-temperature evaporator with a valve system to control flow of refrigerant through one or more pressure reduction devices. The methods may include synchronizing alternating cycles of cooling each compartment to a temperature approximately equal to the compartment set point temperature by operation of the compressor, fans, damper and/or valve system. The methods may also include controlling the cooling rate in one or both compartments. Refrigeration compartment cooling may begin at an interval before or after when the freezer compartment reaches its lower threshold temperature. Freezer compartment cooling may begin at an interval before or after when the freezer compartment reaches its upper threshold temperature.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Sep 22 00:00:00 EDT 2015},

  month        = {Tue Sep 22 00:00:00 EDT 2015}

}

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Works referenced in this record:

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patent, August 1993

Cur, Nihat O.; Kuehl, Steven J.; Leclear, Douglas D.
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Nam, Young-Sok; Cho, Seong-ho; Jung, Yun-Chul
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Similar Records

Title: Synchronous temperature rate control for refrigeration with reduced energy consumption

Abstract

Citation Formats

Multi-temperature evaporator refrigerator system with variable speed compressor patent, August 1993

Control algorithm for dual temperature evaporator system patent, December 1994

Temperature control method of refrigerator patent, June 1996

Temperature control system for a multi compartment refrigerator patent, May 1999

Freezer-equipped refrigerator patent, November 1999

Apparatus for supplying cold air in refrigerators patent, November 1999

Method of supplying cold air in refrigerators patent, March 2000

Method for selection of refrigerator control parameters patent, August 2000

Refrigerator freezer with two evaporators for respective refrigerating and freezing compartments patent, February 2001

Refrigerator having a cooler mounted in each of a refrigerator compartment and a freezer compartment patent, December 2001

Refrigerator patent, June 2002

Flexible sealed system and fan control algorithm patent, December 2003

Variable speed refrigeration system patent, August 2004

Refrigerator system and software architecture patent, October 2004

Temperature control method for refrigerator patent, November 2005

Method for controlling a multiple cooling compartment refrigerator, and refrigerator using such method patent, September 2006

Cooler and refrigerator patent, August 2010

Cooling Storage Cabinet and Method of Operating Thereof patent-application, September 2009

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Multi-temperature evaporator refrigerator system with variable speed compressor
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Control algorithm for dual temperature evaporator system
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