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| Number | Title | Issue Date |
| 6965089 | Axial magnetic field vacuum fault interrupter An improved vacuum interrupter is disclosed. The vacuum interrupter includes a ring-shaped structure placed between a contact support structure and an electrical contact associated with the contact support structure. A resistivity of the ring-shaped structure is hig... | 11/15/2005 |
| 6566411 | Removing sulfur from hydroprocessed fischer-tropsch products An integrated process for producing desulfurized hydroprocessed products from Fischer-Tropsch synthesis is disclosed. The process involves isolating and desulfurizing a methane-rich stream from a natural gas source in a first separation zone and a desulfu... | 05/20/2003 |
| 6417473 | Method and apparatus for mounting vapor shield in vacuum interrupter and vacuum interrupter incorporating same The tubular vapor shield of a vacuum interrupter is secured to the ceramic by a shield mount which includes a split ring seated in a circumferential groove formed in the inner surface of the ceramic. The tubular vapor shield is secured to the split ring b... | 07/09/2002 |
| 6410875 | Electrical switchgear apparatus comprising a vacuum cartridge and a flexible electrical connector A switchgear apparatus comprises a vacuum cartridge one contact of which is fixedly secured to a metal rod protruding out from the cartridge. A flexible metallic electrical connector designed to electrically connect the rod to a busbar is provided, at one... | 06/25/2002 |
| 4746777 | Vacuum switching tube A vacuum switching tube comprises a simply-constructed housing which is established in that cap-like metal portions are soldered blunt to the end faces of a ceramic portion, in that the metal parts comprise a cylindrical region of reduced wall thickness i... | 05/24/1988 |
| 4310735 | Arc-shield supporting structure of a vacuum power interrupter An arc-shield supporting structure of a vacuum power interrupter is disclosed which comprises a hollow cylindrical supporting means having a turnover end portion embedded in the inner wall of the insulating envelope, and a connecting means one end of whic... | 01/12/1982 |
| 4214138 | Vapor shield support ring for a vacuum interrupter A vacuum shield support ring for a high voltage vacuum interrupter contains a plurality of quasi rectangular openings equidistantly spaced around the ring to allow for the upward flow of glass during the vacuum interrupter envelope forming process. Comple... | 07/22/1980 |
| 4158911 | Method of manufacturing a vacuum-type circuit interrupter The following method is used for manufacturing a vacuum-type circuit interrupter that comprises: (i) an envelope comprising a glass casing and an annular metal disc imbedded in the glass and (ii) a tubular metal shield mounted on the disc. The shield is f... | 06/26/1979 |
| 4127755 | Vacuum switch tube In a vacuum switch tube having an outer insulating member and a metallic protective screen surrounding internal switch contacts, an inner groove is provided within the insulator member to which is attached a ring-shaped mounting. A central portion of the ... | 11/28/1978 |
| 3930709 | Electrical connector An electrical connector includes complementary contact elements, one contact element being supported for axial movement in its housing as part of a contact assembly also including a piston and a member evolving arc-quenching gas upon being subjected to an... | 01/06/1976 |
