Refrigerator and cold air flow rate monitoring system thereof
US11015858B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 29, 2016 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Nov 28, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2700/14
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A refrigerator and a cold air flow rate monitoring system for the refrigerator, the refrigerator including a main body having a refrigerating chamber therein, a cold air passage duct disposed within the main body and provided with a cold air passage therein, a control case coupled to the cold air passage duct and provided with a cold air discharge opening, a knob installed on the control case and opening and closing at least part of the cold air discharge opening in a manner of reciprocally moving in one direction, and a sensing unit provided with a conductive member mounted on the knob and a circuit portion provided on the control case, and configured to sense relative position of the knob with respect to the control case to acquire information related to an opening and closing amount of the cold air discharge opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.