High-voltage switches with arc preventing or extinguishing devices inventions 04/07

20070090095 - Vacuum valve and method of manufacturing vacuum valve: A vacuum valve includes a hermetically sealed vessel having an insulative cylinder, an end plate at a movable electrode end, and an end plate at a fixed electrode end. The vessel accommodates a movable contact and an opposed fixed contact. The movable contact is supported through a bellows allowing the... Agent: Kanesaka Berner And Partners LLP

20070084831 - Circuit breaker including line conductor having bend portion to increase contact gap: A circuit breaker includes line and load ends and separable contacts electrically disposed between the line and load ends. A movable arm carries a movable contact and includes an elongated body having a first general longitudinal axis and an offset disposed at one end. The offset displaces the movable contact... Agent: Martin J. Moran, Esq. Eaton Electrical, Inc.

20070084830 - Electrical switching apparatus including operating mechanism having insulating portion: A circuit breaker includes a housing having a first insulating portion, a line end, a load end and a pair of separable contacts electrically disposed between the line end and the load end. An operating mechanism includes a second insulating portion and a movable arm carrying one of the separable... Agent: Martin J. Moran, Esq. Eaton Electrical, Inc.

20070080143 - Device for remotely operating a circuit breaker apparatus and associated assembly and method: A device for remotely operating a circuit breaker apparatus is provided. Such a circuit breaker apparatus includes a trip device and a reset device that are externally accessible with respect to an enclosure enclosing the circuit breaker apparatus. The device comprises at least one actuator capable of being operably engaged... Agent: Alston & Bird LLP

20070080144 - Tri-boss mounting device for high-voltage circuit breakers: A gas mounting device is provided for a high voltage circuit breaker operable to be fitted integrally on one end of a tank of the circuit breaker, said mounting device being substantially a ring shape and comprising at least three identical machined entries through the bottom of the ring such... Agent: Pepper Hamilton LLP

20070075044 - Circuit breaker: An exemplary circuit breaker has in an enclosure filled with an insulating gas at least one interrupting chamber extending along a longitudinal axis. The interrupting chamber can be configured radially symmetrically and contains an arcing volume and at least two associated arcing contacts. The arcing volume is actively connected to... Agent: Buchanan, Ingersoll & Rooney PC

20070075045 - Electrical switch: An electrical switch is disclosed. The switch includes at least one switching contact which is held against the prestressing force of a contact force spring on a moving contact mount, and an arc quenching device, in which at least one section of the at least one contact force spring extends... Agent: Harness, Dickey & Pierce, P.L.C

20070075046 - Method for inhibiting damage due to arc between electrical contacts: This method for inhibiting damage due to arc between electrical contacts involves the spreading of a grease composed of from 70% by weight to 95% by weight of a base oil and from 5% by weight to 30% by weight of a thickening agent and additives over a pair of... Agent: Sughrue-265550

20070075047 - Multi-pole circuit breaker: Disclosed is a multi-pole circuit breaker. The multi-pole circuit breaker includes: a substrate disposed between the single pole breaking unit, spaced relatively far from the switching mechanism as compared to the other single pole breaking units among the plurality of single breaking units, and the adjacent single pole breaking unit;... Agent: Greenblum & Bernstein, P.L.C