KR910009349A - 자기방전을 이용한 스케일 제거방법 - Google Patents
자기방전을 이용한 스케일 제거방법 Download PDFInfo
- Publication number
- KR910009349A KR910009349A KR1019890017311A KR890017311A KR910009349A KR 910009349 A KR910009349 A KR 910009349A KR 1019890017311 A KR1019890017311 A KR 1019890017311A KR 890017311 A KR890017311 A KR 890017311A KR 910009349 A KR910009349 A KR 910009349A
- Authority
- KR
- South Korea
- Prior art keywords
- self discharge
- descale
- descale method
- discharge
- brother
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
Claims (1)
- 500-2,000가우스(GAUSS)의 영구자석,형,형 또는형의 전자석에 의하여 철+니켈+텅스텐의 합금으로 된 2개의 유도판을 사용하여 180o직선상으로 자장을 유도하므로써 자기방전을 일으켜 배관벽에 침전 부착되어 있는 무기질 스케일을 제거하기 위한 스케일 제거방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890017311A KR960004767B1 (ko) | 1989-11-28 | 1989-11-28 | 자기방전을 이용한 스케일 제거방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019890017311A KR960004767B1 (ko) | 1989-11-28 | 1989-11-28 | 자기방전을 이용한 스케일 제거방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910009349A true KR910009349A (ko) | 1991-06-28 |
| KR960004767B1 KR960004767B1 (ko) | 1996-04-13 |
Family
ID=19292152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890017311A KR960004767B1 (ko) | 1989-11-28 | 1989-11-28 | 자기방전을 이용한 스케일 제거방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR960004767B1 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050034294A (ko) * | 2003-10-09 | 2005-04-14 | 현대자동차주식회사 | 스타트 모터 보호장치 |
-
1989
- 1989-11-28 KR KR1019890017311A patent/KR960004767B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR960004767B1 (ko) | 1996-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E601 | Decision to refuse application | ||
| J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
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| J2X2 | Appeal (before the supreme court) |
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| J222 | Remand (patent court) |
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| G160 | Decision to publish patent application | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| J204 | Request for invalidation trial [patent] | ||
| J2X1 | Appeal (before the patent court) |
Free format text: INVALIDATION IN ENTIRETY |
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| J121 | Written withdrawal of request for trial | ||
| J204 | Request for invalidation trial [patent] | ||
| J301 | Trial decision |
Free format text: TRIAL DECISION FOR INVALIDATION IN ENTIRETY REQUESTED 19981221 Effective date: 19990831 |
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| J2X1 | Appeal (before the patent court) |
Free format text: INVALIDATION IN ENTIRETY |
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| LAPS | Lapse due to unpaid annual fee | ||
| J302 | Written judgement (patent court) |
Free format text: JUDGMENT (PATENT COURT) FOR INVALIDATION IN ENTIRETY REQUESTED 19990930 Effective date: 20010119 |
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| J221 | Remand (intellectual property tribunal) |
Free format text: REMAND (INTELLECTUAL PROPERTY TRIBUNAL) FOR INVALIDATION IN ENTIRETY |
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| J301 | Trial decision |
Free format text: TRIAL DECISION FOR INVALIDATION IN ENTIRETY REQUESTED 20010221 Effective date: 20010330 |