MX172410B - Mejoras a metodo para impregnar un producto de hierro con una capa de superficie de material resistente al desgaste y duro - Google Patents
Mejoras a metodo para impregnar un producto de hierro con una capa de superficie de material resistente al desgaste y duroInfo
- Publication number
- MX172410B MX172410B MX022621A MX2262190A MX172410B MX 172410 B MX172410 B MX 172410B MX 022621 A MX022621 A MX 022621A MX 2262190 A MX2262190 A MX 2262190A MX 172410 B MX172410 B MX 172410B
- Authority
- MX
- Mexico
- Prior art keywords
- surface layer
- iron product
- impregnating
- wear
- resistant
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
La presente invención se refiere a mejoras a método para impregnar un producto de hierro con una capa de superficie de material resistente al desgaste y duro que comprende: (a) proporcionar un patrón destructible del producto de hierro deseado; (b)aplicar una pasta que comprende un polvo del material resistente al desgaste y un aglutinante comprendiendo una solución de lacohol polivinílivo sobre por lo menos una parte de la superficie de dicho patrón; (c) hacer un molde usando dicho patrón; (d) fragnar un derretido de hierro dentro de dicho molde formando por tanto un producto de hierro que tiene una capa de superficie de material resistente al desgaste.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/417,360 US4983939A (en) | 1989-10-05 | 1989-10-05 | Circuit breaker with adjustable low magnetic trip |
Publications (1)
Publication Number | Publication Date |
---|---|
MX172410B true MX172410B (es) | 1993-12-15 |
Family
ID=23653684
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX022481A MX166970B (es) | 1989-10-05 | 1990-09-20 | Mejoras en interruptor de circuito con desenganche magnetico bajo, ajustable |
MX022621A MX172410B (es) | 1989-10-05 | 1990-09-28 | Mejoras a metodo para impregnar un producto de hierro con una capa de superficie de material resistente al desgaste y duro |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX022481A MX166970B (es) | 1989-10-05 | 1990-09-20 | Mejoras en interruptor de circuito con desenganche magnetico bajo, ajustable |
Country Status (13)
Country | Link |
---|---|
US (1) | US4983939A (es) |
EP (1) | EP0425103B1 (es) |
JP (1) | JPH03145029A (es) |
KR (1) | KR910008763A (es) |
CN (1) | CN1023272C (es) |
AU (1) | AU639713B2 (es) |
BR (1) | BR9004974A (es) |
CA (1) | CA2025112C (es) |
DE (1) | DE69026025T2 (es) |
IE (1) | IE903338A1 (es) |
MX (2) | MX166970B (es) |
NZ (1) | NZ235358A (es) |
ZA (1) | ZA907312B (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5070361A (en) * | 1990-11-30 | 1991-12-03 | General Electric Company | Molded case circuit breaker operating mechanism assembly |
US5237297A (en) * | 1992-07-06 | 1993-08-17 | American Circuit Breaker Corporation | Tripping apparatus for use with an electrical circuit breaker having magnetic tripping responsive to low overcurrent |
US5471184A (en) * | 1994-07-13 | 1995-11-28 | Eaton Corporation | Circuit breaker |
US5927484A (en) * | 1997-05-28 | 1999-07-27 | Eaton Corporation | Circuit breaker with welded contact interlock, gas sealing cam rider and double rate spring |
DE19903911B4 (de) * | 1999-02-01 | 2004-09-23 | Ge Power Controls Polska Sp.Z.O.O. | Auslösevorrichtung für Schalter und Schaltkontaktanordnung |
US6747534B1 (en) | 1999-08-18 | 2004-06-08 | Eaton Corporation | Circuit breaker with dial indicator for magnetic trip level adjustment |
US6661329B1 (en) * | 2002-06-13 | 2003-12-09 | Eaton Corporation | Adjustable thermal trip assembly for a circuit breaker |
KR100928931B1 (ko) * | 2007-07-26 | 2009-11-30 | 엘에스산전 주식회사 | 배선용 차단기의 개폐기구 |
KR100881365B1 (ko) * | 2007-08-07 | 2009-02-02 | 엘에스산전 주식회사 | 열동형 과부하 보호장치의 트립 감도 조정 방법 |
KR100905021B1 (ko) * | 2007-08-07 | 2009-06-30 | 엘에스산전 주식회사 | 열동형 과부하 트립 장치 및 그의 트립 감도 조정 방법 |
JP4906881B2 (ja) * | 2009-03-27 | 2012-03-28 | 富士電機機器制御株式会社 | 熱動形過負荷継電器 |
JP4706772B2 (ja) * | 2009-03-27 | 2011-06-22 | 富士電機機器制御株式会社 | 熱動形過負荷継電器 |
JP2010232058A (ja) * | 2009-03-27 | 2010-10-14 | Fuji Electric Fa Components & Systems Co Ltd | 熱動形過負荷継電器 |
FR2961343B1 (fr) * | 2010-06-15 | 2012-06-08 | Schneider Electric Ind Sas | Dispositif de declenchement auxiliaire destine a etre associe a un bloc disjoncteur. |
DE102012201852A1 (de) * | 2012-02-08 | 2013-08-08 | Siemens Aktiengesellschaft | Testtaste für ein elektrisches Schaltgerät und elektrisches Schaltgerät |
MX2014010199A (es) * | 2012-02-28 | 2014-11-21 | Siemens Ag | Unidades de disparo termomagnetico de disyuntor y metodos. |
CN104205275B (zh) * | 2012-03-12 | 2017-10-20 | 西门子公司 | 断路器防脱扣装置、系统和操作方法 |
CN104124114B (zh) * | 2014-06-24 | 2016-08-24 | 上海诺雅克电气有限公司 | 多极电磁脱扣器的短路保护动作电流调节方法和装置 |
KR101708545B1 (ko) * | 2015-01-05 | 2017-02-21 | 엘에스산전 주식회사 | 배선용 차단기의 순시트립장치 |
FR3045931B1 (fr) * | 2015-12-21 | 2017-12-22 | Schneider Electric Ind Sas | Dispositif d'assemblage d'un bilame et d'une piece formant support de ce bilame et appareil de protection electrique le comportant. |
CN107768203B (zh) * | 2016-08-15 | 2019-10-11 | 浙江正泰电器股份有限公司 | 直动式电磁脱扣装置 |
CN108572065B (zh) * | 2017-03-13 | 2024-06-07 | 浙江正泰电器股份有限公司 | 断路器超程检测装置及检测方法 |
CN108257832B (zh) * | 2018-04-02 | 2019-06-07 | 浙江智美电气有限公司 | 一种脱扣电流可调的小型大电流断路器 |
RU186711U1 (ru) * | 2018-11-27 | 2019-01-30 | Общество с ограниченной ответственностью "МФК ТЕХЭНЕРГО" | Выключатель автоматический |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3391361A (en) * | 1966-12-05 | 1968-07-02 | Gen Electric | Adjustable current-responsive device |
US3484728A (en) * | 1967-08-21 | 1969-12-16 | Ite Imperial Corp | Adjustable strength electro-magnet with constant air gap |
FR2446009A1 (fr) * | 1979-01-04 | 1980-08-01 | Alsthom Unelec Sa | Declencheur electromagnetique reglable pour disjoncteur |
US4249152A (en) * | 1979-07-25 | 1981-02-03 | Sylvania Circuit Breaker Corporation | Magnetic trip adjustment based on spring load variation |
US4249151A (en) * | 1979-07-25 | 1981-02-03 | Sylvania Circuit Breaker Corporation | Apparatus for variably adjusting a magnetic level with a translating spring force |
US4630019A (en) * | 1984-09-28 | 1986-12-16 | Westinghouse Electric Corp. | Molded case circuit breaker with calibration adjusting means for a bimetal |
US4691182A (en) * | 1986-04-30 | 1987-09-01 | Westinghouse Electric Corp. | Circuit breaker with adjustable magnetic trip unit |
-
1989
- 1989-10-05 US US07/417,360 patent/US4983939A/en not_active Expired - Lifetime
-
1990
- 1990-09-12 CA CA002025112A patent/CA2025112C/en not_active Expired - Fee Related
- 1990-09-13 ZA ZA907312A patent/ZA907312B/xx unknown
- 1990-09-14 IE IE333890A patent/IE903338A1/en unknown
- 1990-09-17 AU AU62614/90A patent/AU639713B2/en not_active Ceased
- 1990-09-18 NZ NZ235358A patent/NZ235358A/xx unknown
- 1990-09-20 MX MX022481A patent/MX166970B/es unknown
- 1990-09-28 DE DE69026025T patent/DE69026025T2/de not_active Expired - Fee Related
- 1990-09-28 EP EP90310674A patent/EP0425103B1/en not_active Expired - Lifetime
- 1990-09-28 MX MX022621A patent/MX172410B/es unknown
- 1990-09-29 KR KR1019900015604A patent/KR910008763A/ko not_active Application Discontinuation
- 1990-10-04 BR BR909004974A patent/BR9004974A/pt not_active Application Discontinuation
- 1990-10-04 CN CN90108226A patent/CN1023272C/zh not_active Expired - Fee Related
- 1990-10-04 JP JP2267506A patent/JPH03145029A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0425103B1 (en) | 1996-03-20 |
CN1023272C (zh) | 1993-12-22 |
CN1051268A (zh) | 1991-05-08 |
NZ235358A (en) | 1993-12-23 |
EP0425103A3 (en) | 1992-05-20 |
BR9004974A (pt) | 1991-09-10 |
DE69026025T2 (de) | 1996-10-31 |
KR910008763A (ko) | 1991-05-31 |
ZA907312B (en) | 1991-09-25 |
MX166970B (es) | 1993-02-16 |
IE903338A1 (en) | 1991-04-10 |
EP0425103A2 (en) | 1991-05-02 |
CA2025112C (en) | 1999-12-14 |
DE69026025D1 (de) | 1996-04-25 |
CA2025112A1 (en) | 1991-04-06 |
US4983939A (en) | 1991-01-08 |
AU639713B2 (en) | 1993-08-05 |
JPH03145029A (ja) | 1991-06-20 |
AU6261490A (en) | 1991-04-11 |
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