# US 2010/0133259 A1 · Heater usable with cooker, method of manufacturing the same and cooker

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- Number: US 2010/0133259 A1
- Document ID: US20100133259A1
- Status: Published application
- Kind: A1
- Application number: 12/461,588
- Filed: 2009-08-17
- Published: 2010-06-03
- Earliest claimed: 2008-12-02
- Assignees: Samsung Electronics Co., Ltd.
- Inventors: Ki Suk Jeon; Jong Hak Hyun; John Chull Shon; Tae Woo Kim
- Web page: https://patentgrep.com/patent/US20100133259A1

## CPC

- F24C 7/046: {Ranges}
- H05B 3/48: heating conductor embedded in insulating material
- F24C 15/325: {electrically-heated}
- Y10T 29/49083: Heater type
- F24C: DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B); DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## 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.

## Claims

### Claim 1

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.

### Claim 2 (depends on 1)

The heater according to claim 1, wherein the surface of the heater body is a sandblasted surface.

### Claim 3 (depends on 1)

The heater according to claim 1, wherein the heater body contains about 99% by weight or higher of silicon dioxide (SiO2).

### Claim 4

A heater for cookers, comprising:
a heat-generator; and
a quartz tube housing the heat-generator, the quartz tube having a sandblasted external surface.

### Claim 5 (depends on 4)

The heater according to claim 4, wherein the quartz tube contains about 99% by weight or higher of silicon dioxide (SiO2).

### Claim 6

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.

### Claim 7 (depends on 6)

The method according to claim 6, wherein the external surface of the quartz tube is processed by sandblasting.

### Claim 8

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.

### Claim 9 (depends on 8)

The method according to claim 8, wherein the quartz tube contains about 99% or higher of silicon dioxide.

### Claim 10 (depends on 8)

The method according to claim 8, wherein the silicon dioxide has a purity of about 95% or higher.

### Claim 11

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.

### Claim 12 (depends on 11)

The cooker according to claim 11, wherein the heat-radiation surface is a sandblasted surface.

### Claim 13 (depends on 11)

The cooker according to claim 11, wherein the heater body includes a quartz tube containing about 99% by weight or higher of silicon dioxide (SiO2).