Steam generator and heating cooking apparatus having the same
US7847220B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2007 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Jun 11, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/6479
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A steam generator capable of preventing scale contained in air bubbles and water droplets generated in the course of boiling water by a heater from entering a steam ejection hole and a heating cooking apparatus having the steam generator is provided. The steam generator includes a steam container to store water and having at least one steam ejection hole formed at an upper location thereof, a heater adapted to heat the water stored in the steam container so as to generate steam, and a barrier unit provided below the steam ejection hole and adapted to prevent the air bubbles from entering the steam ejection hole. The barrier unit includes a base plate having a plurality of steam passage holes and a web plate coming into close contact with an inner wall surface of the steam container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.