Freezer with defrosting indicator

Details Freezer with defrosting indicator Freezer with defrosting indicator

2004-11-16

2010-11-23

Jiang, Chen-Wen (Department: 3744)

Refrigeration

With indicator or tester

Atmospheric condensation accumulation, e.g., frost

C062S126000, C062S129000, C062S140000

Reexamination Certificate

active

07836710

ABSTRACT:
A freezer includes a refrigerating surface that is capable of freezing and a measuring circuit for estimating the quantity of ice located on the refrigerating surface and for furnishing a warning signal when the estimated quantity of ice exceeds a limit value. The freezer includes a sensor sensing at least one climatic condition and a refrigerating surface periodically freezing, and a measuring circuit having at least one sensor and a time measuring device estimating a quantity of ice on said refrigerating surface based upon various factors. A warning signal is supplied when an estimated quantity of ice exceeds a predetermined limit value.

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