GB657787A - Improvements relating to electro-magnetically tripped overload cut-outs - Google Patents
Improvements relating to electro-magnetically tripped overload cut-outsInfo
- Publication number
- GB657787A GB657787A GB32630/48A GB3263048A GB657787A GB 657787 A GB657787 A GB 657787A GB 32630/48 A GB32630/48 A GB 32630/48A GB 3263048 A GB3263048 A GB 3263048A GB 657787 A GB657787 A GB 657787A
- Authority
- GB
- United Kingdom
- Prior art keywords
- outs
- electro
- improvements relating
- composition
- overload cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000203 mixture Substances 0.000 abstract 5
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 abstract 3
- 229910052901 montmorillonite Inorganic materials 0.000 abstract 3
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000004927 clay Substances 0.000 abstract 1
- 238000010292 electrical insulation Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000004017 vitrification Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
-
- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
- H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
-
- 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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
- H01H71/38—Electromagnetic mechanisms wherein the magnet coil also acts as arc blow-out device
-
- 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
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT268309X | 1947-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB657787A true GB657787A (en) | 1951-09-26 |
Family
ID=25603519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32630/48A Expired GB657787A (en) | 1947-12-18 | 1948-12-16 | Improvements relating to electro-magnetically tripped overload cut-outs |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE485305A (enrdf_load_stackoverflow) |
| CH (1) | CH268309A (enrdf_load_stackoverflow) |
| DE (1) | DE810649C (enrdf_load_stackoverflow) |
| FR (1) | FR973110A (enrdf_load_stackoverflow) |
| GB (1) | GB657787A (enrdf_load_stackoverflow) |
-
0
- BE BE485305D patent/BE485305A/xx unknown
-
1948
- 1948-07-19 CH CH268309D patent/CH268309A/de unknown
- 1948-10-02 DE DEP8880D patent/DE810649C/de not_active Expired
- 1948-10-08 FR FR973110D patent/FR973110A/fr not_active Expired
- 1948-12-16 GB GB32630/48A patent/GB657787A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR973110A (fr) | 1951-02-07 |
| CH268309A (de) | 1950-05-15 |
| DE810649C (de) | 1951-10-08 |
| BE485305A (enrdf_load_stackoverflow) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB657787A (en) | Improvements relating to electro-magnetically tripped overload cut-outs | |
| GB713370A (en) | Improvements in or relating to ferrite magnetic materials | |
| GB587556A (en) | Improvements in or relating to the manufacture of concrete | |
| SU594077A1 (ru) | Сырьева смесь дл изготовлени строительного кирпича | |
| SU382594A1 (ru) | Шихта для изготовления динасовых изделий | |
| SU138520A1 (ru) | Керамическа масса дл огнеприпаса, использующегос при обжиге изделий тонкой керамики | |
| SU443852A1 (ru) | Огнеупорна масса | |
| GB1073529A (en) | Ceramic material | |
| GB1456034A (en) | Method of manufacturing porous bricks and other shaped porous ceramic material | |
| SU570575A1 (ru) | Композици дл ищготовлени теплоизол ции | |
| SU69940A1 (ru) | Способ получени термоизол ционных плит | |
| ES239448A3 (es) | PROCEDIMIENTO PARA LA FABRICACIoN DE BLOQUES PARA LA CONSTRUCCIoN | |
| GB797121A (en) | Improvements relating to the manufacture of ceramic tiles | |
| ES318873A1 (es) | El metodo de preparar una mezcla seca adecuada para ser utilizada como sustituto del cemento portland | |
| GB836059A (en) | Improvements in or relating to the production of ceramic bodies | |
| ES342733A3 (es) | Mejoras en la composicion de moldeo de amianto y acido fos-forico. | |
| GB712585A (en) | Refractory bodies and compositions and methods for making the same | |
| AU129417B2 (en) | Improvements relating to solid fuel fire grates | |
| GB657341A (en) | Improvements in or relating to the manufacture of ceramic compositions and of electrical apparatus containing the same | |
| GB676357A (en) | Refractory and method of producing the same | |
| AU80546A (en) | Improvements relating to solid fuel fire grates | |
| ES232212A1 (es) | Procedimiento con aparato para fabricación de cemento | |
| CA447288A (en) | Dry press insulating fire brick | |
| CA447287A (en) | Dry press insulating fire brick | |
| CA447289A (en) | Dry press insulating fire brick |