BR7604310A - PERFECT CUTTING APPLIANCE - Google Patents
PERFECT CUTTING APPLIANCEInfo
- Publication number
- BR7604310A BR7604310A BR7604310A BR7604310A BR7604310A BR 7604310 A BR7604310 A BR 7604310A BR 7604310 A BR7604310 A BR 7604310A BR 7604310 A BR7604310 A BR 7604310A BR 7604310 A BR7604310 A BR 7604310A
- Authority
- BR
- Brazil
- Prior art keywords
- cutting appliance
- perfect cutting
- perfect
- appliance
- cutting
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/905—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the compression volume being formed by a movable cylinder and a semi-mobile piston
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/52—Driving mechanisms, i.e. for transmitting driving force to the contacts with means to ensure stopping at intermediate operative positions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/904—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism characterised by the transmission between operating mechanism and piston or movable contact
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7520833A FR2316713A1 (en) | 1975-07-02 | 1975-07-02 | Contact breaker with gas blow out - has movable arc contact travel limited by roller and ramp engaging connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7604310A true BR7604310A (en) | 1977-07-26 |
Family
ID=9157421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7604310A BR7604310A (en) | 1975-07-02 | 1976-07-01 | PERFECT CUTTING APPLIANCE |
Country Status (5)
| Country | Link |
|---|---|
| BR (1) | BR7604310A (en) |
| CH (1) | CH601911A5 (en) |
| ES (1) | ES448504A1 (en) |
| FR (1) | FR2316713A1 (en) |
| IT (1) | IT1074169B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702388B (en) * | 2009-11-18 | 2012-08-22 | 中国西电电气股份有限公司 | Variable-speed moving device of main contact and arc contact in arc extinguishing chamber |
| CN102306566B (en) * | 2011-08-26 | 2013-10-02 | 中国西电电气股份有限公司 | Contact asynchronous double-speed movement actuating mechanism for generator breaker |
-
1975
- 1975-07-02 FR FR7520833A patent/FR2316713A1/en active Granted
-
1976
- 1976-04-12 CH CH458876A patent/CH601911A5/xx not_active IP Right Cessation
- 1976-06-03 ES ES448504A patent/ES448504A1/en not_active Expired
- 1976-06-30 IT IT2484076A patent/IT1074169B/en active
- 1976-07-01 BR BR7604310A patent/BR7604310A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2316713B1 (en) | 1980-04-11 |
| FR2316713A1 (en) | 1977-01-28 |
| ES448504A1 (en) | 1977-07-01 |
| IT1074169B (en) | 1985-04-17 |
| CH601911A5 (en) | 1978-07-14 |
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