Return air intake grille de-icing method
US10696139B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2017 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Jun 26, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D21/08
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method (300) of de-icing a return air intake of a transport refrigeration system is provided. The method comprises using a controller for controlling the refrigeration system; determining (306) when de-icing mode is required; deactivating (308) an evaporator and an evaporator fan of the refrigeration system when de-icing mode is required; activating (310) a heater when de-icing mode is required; adjusting (312) the temperature of the heater to a selected temperature; deactivating (314) the heater when the heater has reached the selected temperature; and permitting (316) the refrigeration system to remain deactivated for a selected time period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.