User-selectable operating modes for refrigeration appliances

• US 9,046,291 B2
• Filed: 06/04/2012
• Issued: 06/02/2015
• Est. Priority Date: 06/04/2012
• Status: Expired due to Fees

• Current Assignee: Electrolux Home Products Incorporated (AB Electrolux)
• Original Assignee: Electrolux Home Products Incorporated (AB Electrolux)
• Inventors: Meltzer, Aaron, Froehlich, Kurt
• Primary Examiner(s): Ali, Mohammad M
• Assistant Examiner(s): Zerphey, Christopher R
• Application Number:
  US13/487,615
• Publication Number:
  US 20130319017A1
• Time in Patent Office: 1,093 Days
• Field of Search: 62/56, 621/26, 621/54, 621/55, 621/57, 621/78, 621/80, 621/87, 622/281, 622/96
• US Class Current: 1/1
• CPC Class Codes: F25D 17/065 with compartments at different temperatures
• CPC Class Codes: F25D 21/002 Defroster control
• CPC Class Codes: F25D 2400/361 Interactive visual displays
• CPC Class Codes: F25D 27/005 combined with control means
• CPC Class Codes: F25D 2700/02 Sensors detecting door opening
• CPC Class Codes: F25D 29/00 Arrangement or mounting of control or safety devices

Abstract

A refrigeration appliance, such as a household refrigerator that can include freezer and fresh food compartments, includes operating components that can be controlled so as to allow a user to select for implementation at the refrigeration appliance modes of operation that can optimize the performance of the refrigeration appliance with respect to selected operating objectives. The refrigeration appliance also can include a respective actuating device corresponding to each mode of operation that is available for selective implementation by the user upon the activation of the respective actuating device and a controller configured to direct operating commands to the one or more operating components in response to the activation of a respective actuating device, causing the one or more operating components to operate in a manner so as to selectively implement at the refrigeration appliance the mode of operation corresponding to the respective actuating device activated.

Claims

1. A refrigeration appliance including:

a plurality of operating components that are configured to operate in accordance with operating commands directed to the plurality of operating components and implement at the refrigeration appliance modes of operation that are available for selective implementation by a user;

a respective actuating device corresponding to each mode of operation that is available for selective implementation by the user at the refrigeration appliance upon the activation by the user of the respective actuating device; and

a controller operably associated with the plurality of operating components and each respective actuating device, the controller being configured to direct operating commands to one or more of the operating components in response to the activation by the user of a respective actuating device, causing the one or more of the operating components to which operating commands are directed to operate in a manner so as to selectively implement at the refrigeration appliance the mode of operation corresponding to the respective actuating device activated by the user,

wherein the modes of operation include a mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels, a mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, and a mode of operation that maintains noise generated at the refrigeration appliance at reduced levels, and

wherein, in both of the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, the controller is configured to activate a compressor of the refrigeration appliance to cool the interior of the refrigeration appliance based on a statistical analysis of the frequency and times of day at which the interior of the refrigeration appliance is exposed to the ambient environment, wherein, in both of the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, the controller determines when to activate the compressor from a result of the statistical analysis,

wherein, in the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, the controller is further configured to activate the compressor each time a door of the refrigeration appliance is opened and then subsequently closed when the compressor is not running,

wherein the controller is configured to operate an ice-maker of the refrigeration appliance to produce ice at a reduced rate while continuing to produce ice if the refrigeration appliance is in either one of the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and the mode of operation that maintains noise generated at the refrigeration appliance at reduced levels, and

wherein the compressor is a variable speed compressor and the refrigeration appliance includes variable speed fans, and when the mode of operation that maintains the noise generated at the refrigeration appliance at reduced levels is selected, operating speeds of the variable speed compressor and variable speed fans while running are reduced due to said selection, to thereby reduce noise generated by the variable speed compressor and fans.

2. The refrigeration appliance of claim 1 wherein at least one of the plurality of operating components is initially preset to operate in a prescribed manner and the controller is configured, in response to the activation by the user of a respective actuating device, to direct operating commands to the at least one of the plurality of operating components that is initially preset and modify the presetting of the at least one of the plurality of operating components that is initially preset.

3. The refrigeration appliance of claim 1 wherein the refrigeration appliance includes an adjustable air deflector adjacent to the ice-maker, wherein in the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels, the adjustable air deflector is positioned to deflect cold air away from the ice-maker, and wherein in another mode of operation, the adjustable air deflector is positioned to allow cold air to impinge on the ice-maker.

4. The refrigeration appliance of claim 1 wherein one actuating device corresponds to the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and operating components that are configured to operate in accordance with operating commands directed from the controller to implement the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels include two or more of:

apparatus configured to defrost the refrigeration appliance on demand;

a damper system located in an air passageway leading from a freezer compartment to a temperature-controlled drawer located in a fresh food compartment of a bottom-mount refrigerator;

apparatus configured to modify the level of illumination provided by lighting elements located at the refrigeration appliance;

the compressor; and

the ice-maker.

5. The refrigeration appliance of claim 1 wherein one actuating device corresponds to the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile and operating components that are configured to operate in accordance with operating commands directed from the controller to implement the mode of operation that maintains the temperatures present in the refrigeration appliance at levels that optimize the preservation of food items stored in the refrigeration appliance include two or more:

a damper located in a passageway of the refrigeration appliance for controlling the circulation of cold air in the passageway from a freezer compartment of the refrigeration appliance to a fresh food compartment of the refrigeration appliance;

an evaporator fan that is a part of a system for producing cold air at the refrigeration appliance; and

the compressor.

6. The refrigeration appliance of claim 1 wherein one actuating device corresponds to the mode of operation that maintains the noise generated at the refrigeration appliance at reduced levels and, in the mode of operation that maintains the noise generated at the refrigeration appliance at reduced levels, a defrost heater of the refrigeration appliance is pulsed on and off.

7. The refrigeration appliance of claim 1 wherein one actuating device corresponds to the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and another of the actuating devices corresponds to the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, and operating components that are configured to operate in accordance with operating commands directed from the controller to implement the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile include a respective two or more of:

apparatus configured to defrost the refrigeration appliance on demand;

a damper system located in an air passageway leading from a freezer compartment to a temperature-controlled drawer located in a fresh food compartment of a bottom-mount refrigerator;

apparatus configured to modify the level of illumination provided by lighting elements located at the refrigeration appliance;

the compressor;

the ice-maker;

a damper located in a passageway of the refrigeration appliance for controlling the circulation of cold air in the passageway from a freezer compartment of the refrigeration appliance to a fresh food compartment of the refrigeration appliance; and

an evaporator fan that is a part of a system for producing cold air at the refrigeration appliance.

8. A method of operating a refrigeration appliance that includes plurality of operating components that are configured to operate in accordance with operating commands directed to the plurality of operating components and implement at the refrigeration appliance modes of operation that are available for selective implementation by a user, and a respective actuating device corresponding to each mode of operation that is available for selective implementation by the user at the refrigeration appliance upon the activation by the user of the respective actuating device, the method including:

activating a respective actuating device that corresponds to a mode of operation selected for implementation; and

directing operating commands to one or more of the operating components in response to the activation of the respective actuating device, causing the one or more of the operating components to which operating commands are directed to operate in a manner so as to selectively implement at the refrigeration appliance the mode of operation corresponding to the respective actuating device activated by the user,

wherein the modes of operation include a mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels, a mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, and a mode of operation that maintains noise generated at the refrigeration appliance at reduced levels,

wherein, in both of the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, a controller in the refrigeration appliance is configured to activate a compressor of the refrigeration appliance to cool the interior of the refrigeration appliance based on a statistical analysis of the frequency and times of day at which the interior of the refrigeration appliance is exposed to the ambient environment, wherein, in both of the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, the controller determines when to activate the compressor from a result of the statistical analysis,

wherein, in the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile, the controller is further configured to activate the compressor each time a door of the refrigeration appliance is opened and then subsequently closed when the compressor is not running,

wherein the controller is configured to operate an ice-maker of the refrigeration appliance to produce ice at a reduced rate while continuing to produce ice if the refrigeration appliance is in either one of the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels and the mode of operation that maintains noise generated at the refrigeration appliance at reduced levels, and

wherein the compressor is a variable speed compressor and the refrigeration appliance includes variable speed fans, and when the mode of operation that maintains the noise generated at the refrigeration appliance at reduced levels is selected, operating speeds of the variable speed compressor and variable speed fans while running are reduced due to said selection, to thereby reduce noise generated by the variable speed compressor and fans.

9. The method of claim 8 wherein at least one of the plurality of operating components is initially preset to operate in a prescribed manner and the operating commands are directed to the at least one of the plurality of operating components that is initially preset to modify the presetting of the at least one of the plurality of operating components that is initially preset.

10. The method of claim 8 wherein the refrigeration appliance includes an adjustable air deflector adjacent to the ice-maker, wherein in the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels, the adjustable air deflector is positioned to deflect cold air away from the ice-maker, and wherein in another mode of operation, the adjustable air deflector is positioned to allow cold air to impinge on the ice-maker.

11. The method of claim 8 wherein operating components to which operating commands are directed to implement the mode of operation that maintains the consumption of energy at the refrigeration appliance at reduced levels include two or more of:

apparatus configured to defrost the refrigeration appliance on demand;

a damper system located in an air passageway leading from a freezer compartment to a temperature-controlled drawer located in a fresh food compartment of a bottom-mount refrigerator;

apparatus configured to modify the level of illumination provided by lighting elements located at the refrigeration appliance;

the compressor; and

the ice-maker.

12. The method of claim 8 wherein operating components to which operating commands are directed to implement the mode of operation that controls the variations in the temperatures present in the refrigeration appliance to which items stored in the refrigeration appliance are subject so as to provide for a stable temperature profile include two or more of:

a damper located in a passageway of the refrigeration appliance for controlling the circulation of cold air in the passageway from a freezer compartment of the refrigeration appliance to a fresh food compartment of the refrigeration appliance;

an evaporator fan that is part of the system for producing cold air at the refrigeration appliance; and

the compressor.

13. The method of claim 8 wherein operating components to which operating commands are directed to implement the mode of operation that maintains the noise generated at the refrigeration appliance at reduced levels include a defrost heater that is pulsed on and off in the mode of operation that maintains the noise generated at the refrigeration appliance at reduced levels.

14. The refrigeration appliance of claim 8 wherein the operating components include:

apparatus configured to defrost the refrigeration appliance on demand;

a damper system located in an air passageway leading from a freezer compartment to a temperature-controlled drawer located in a fresh food compartment of a bottom-mount refrigerator;

apparatus configured to modify the level of illumination provided by lighting elements located at the refrigeration appliance;

the compressor;

the ice-maker;

a damper located in a passageway of the refrigeration appliance for controlling the circulation of cold air in the passageway from a freezer compartment of the refrigeration appliance to a fresh food compartment of the refrigeration appliance; and

an evaporator fan that is a part of a system for producing cold air at the refrigeration appliance.