Patent · US Expired

Reduced energy refrigerator defrost method and apparatus

US7942014B2 · kind B2 · utility

6Cited by
13References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 2004
Grant dateMay 17, 2011
Priority date
Expiry dateNov 12, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B30/70
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A method for defrosting an evaporator of a refrigeration sealed system, the system including at least one refrigeration compartment and a controller operatively coupled to a compressor, an evaporator, an evaporator fan and a condenser fan, wherein the method includes initiating a defrost cycle, operating the sealed system to prechill the refrigeration compartment, and selectively operating the evaporator fan and the condenser fan to raise a temperature of the evaporator.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.