Refrigerator and defrosting heater
US6684659B1 · kind B1 · utility
450Cited by
14References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2001 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Nov 15, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2400/24
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
In a refrigerator using a flammable coolant, in order to decrease danger of ignition when defrosting is conducted under an environment of leakage of the flammable coolant, the refrigerator comprises a cooling cycle evaporator and a defrosting devicve for defrosting the evaporator, wherein a temperature of the defrosting device is lower than an ignition temperature of the flammable coolant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.