by: Schulak, Edward R.;

Energy efficient domestic refrigeration system

An energy transfer system for a household refrigeration appliance. The energy transfer system includes a venting system within the refrigeration appliance, and a set of conduits for enabling the transfer of outside air into, through and out of the venting system. The system moves cooling air around the storage compartment and compressor. In one form of the present invention, the system may also include a thermostatically actuated valve for enabling outside air into, through and out of the compartment in response to a predetermined temperature.

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What is claimed is:

1. A refrigeration or freezer appliance comprising:

a housing surrounding at least one cooling storage compartment;

refrigeration means including a compressor or condenser for cooling space within said at least one cooling storage compartment; and

cooling means for adding and removing air between said housing and at least one cooling storage compartment, said cooling means coupled between said housing and at least one cooling storage compartment for cooling between said housing and said cooling storage compartment, and said cooling means coupled with an air source and said air passing over said compressor or condenser.

2. The refrigeration appliance according to claim 1, wherein said cooling means further comprises an inlet and outlet for enabling ingress and egress of air and a venting system positioned within said housing for circulating the air through and out of said housing.

3. The refrigeration appliance according to claim 2, wherein a gap is formed between said housing and at least one storage compartment.

4. The refrigeration appliance according to claim 2, wherein said venting system includes one or more air deflecting members.

5. The refrigeration appliance according to claim 2, wherein said inlet and outlet are coupled to the outside environment.

6. The refrigeration appliance according to claim 1, wherein said refrigeration means includes a fan means and said fan means drives air through said cooling means.

7. The refrigeration appliance according to claim 6, wherein a valve means provides air flow for said cooling means and said valve means opening and closing is thermostatically controlled.

8. A method of reducing the energy required to operate a refrigeration or freezer appliance, comprising the steps of:

providing a refrigerator with a housing and at least one storage compartment and a refrigeration means for cooling within said storage compartment, said refrigeration means including a compressor or condenser;

coupling a cooling means between said housing and at least one storage compartment for cooling between said housing and said at least one storage compartment; and

causing outside air to flow into, through and out of said cooling means and passing over said compressor or condenser when the outside temperature reaches a predetermined threshold.

9. The method according to claim 8, further comprising enabling the inside air to flow into, through and out of said cooling means when the outside temperature has not reached said predetermined threshold.

10. The method according to claim 8, wherein said step of causing outside air to flow includes the step of forcing outside air to flow into, through and out of said housing.


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