Patent · US Active

Freezer with defrosting indicator

US7836710B2 · kind B2 · utility

0Cited by
11References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 2004
Grant dateNov 23, 2010
Priority date
Expiry dateOct 3, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N21/552
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

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.

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