Cooking appliance cooling fan with optical speed sensor
US10890333B2 · kind B2 · utility
0Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 2018 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Jan 14, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/666
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical sensor is used in a cooling system of a cooking appliance to sense rotation of the cooling fan. For example, in one aspect a cooking appliance is disclosed as including a housing with a cooking enclosure and cooling passage for venting heat generated within the cooking enclosure; a cooling fan in fluid communication with the cooling passage in order to provide a directed airflow within the cooling passage; and an optical sensor to sense rotation of the cooling fan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.