Heater usable with cooker, method of manufacturing the same and cooker
AssigneeSamsung Electronics Co., Ltd.
InventorsKi Suk Jeon, Jong Hak Hyun, John Chull Shon, Tae Woo Kim
Life of this patent
Estimating the term…
Abstract
Disclosed herein are a heater for cookers with high economical efficiency and improved performance, a method of manufacturing the same, and a cooker including the heater. The heater for cookers includes a heat-generator, and a heater body to house the heat-generator, a surface of the heater body having a prominence/depression pattern provided by surface-treating. The heater body is processed by sandblasting.
Claims13
A heater for cookers, comprising:
- a heat-generator;
- and
- a heater body housing the heat-generator, a surface of the heater body having an irregular prominence/depression pattern.
A heater for cookers, comprising:
- a heat-generator;
- and
- a quartz tube housing the heat-generator, the quartz tube having a sandblasted external surface.
A method of manufacturing a heater for cookers, comprising:
- preparing a quartz tube;
- processing an external surface of the quartz tube to impart a plurality of prominences/depressions to the external surface of the quartz tube;
- and
- arranging a heat-generator in the quartz tube.
A method of manufacturing a heater for cookers, comprising:
- preparing a quartz tube containing silicon dioxide (SiO2);
- sandblasting an external surface of the quartz tube to form prominences/depressions on the external surface of the quartz tube;
- and
- providing a heat-generator in the quartz tube.
A cooker, comprising:
- a cooking area;
- and
- a heater to supply heat to the cooking area, the heater including a heater body having a heat-radiation surface to radiate heat to the cooking area, the heat-radiation surface including a plurality of fine prominences/depressions;
- and
- a heat-generator arranged in the heater body.
Dependencies are inferred from the claim text.