Patent · US Expired

Refrigerant leakage warning device for apparatus having refrigeration cycle using flammable refrigerant

US6073455A · kind A · utility

17Cited by
9References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 1999
Grant dateJun 13, 2000
Priority date
Expiry dateFeb 11, 2019

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2400/12
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

In a refrigerant leakage warning device for an apparatus having a refrigeration cycle using a flammable refrigerant as a refrigerant, when leakage of the refrigerant occurs, measures how to cope after the leakage of refrigerant occurs are indicated on an indoor unit. Therefore, the user can see the indication of the leakage and take the measures to cope with it, and it is possible to hold the damage at a minimum, and to enhance the safety.

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