High-voltage switches with arc preventing or extinguishing devices inventions 10/08

20080257865 - Gas circuit breaker: A gas circuit breaker includes a grounded tank corresponding to each one of the plurality of phases, a bushing, an upper housing, and a lower housing, those mounted on a base that is supported by a frame. The grounded tank and the upper housing are located on a plane. The... Agent: Buchanan, Ingersoll & Rooney PC

20080257866 - Circuit breaker with a double acting circuit-breaking chamber and an inverted structure: This invention relates to a circuit breaker (1) for high or medium voltages, of the type having a drive bar (70) coupled to a drive member, and a circuit-breaking chamber (2) facing it and having two contacts (3, 4), each contact (3, 4) including a main contact (30, 40 respectively)... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080257865 - Gas circuit breaker: A gas circuit breaker includes a grounded tank corresponding to each one of the plurality of phases, a bushing, an upper housing, and a lower housing, those mounted on a base that is supported by a frame. The grounded tank and the upper housing are located on a plane. The... Agent: Buchanan, Ingersoll & Rooney PC

20080257866 - Circuit breaker with a double acting circuit-breaking chamber and an inverted structure: This invention relates to a circuit breaker (1) for high or medium voltages, of the type having a drive bar (70) coupled to a drive member, and a circuit-breaking chamber (2) facing it and having two contacts (3, 4), each contact (3, 4) including a main contact (30, 40 respectively)... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080245772 - Vacuum interrupter: A vacuum interrupter has a housing, a first contact system, which includes a movable contact piece and a fixed contact piece, and a second contact system, which includes a grounding contact and a grounded mating contact piece. The grounding contact is disposed on a movable contact rod, which is passed... Agent: Lerner Greenberg Stemer LLP

20080237192 - Electrical switching apparatus and accessory tray therefor: An accessory tray is provided for an electrical switching apparatus, such as a circuit breaker, including a housing, an operating mechanism, and a number of accessories. The housing has a cavity with a first end and the second end, and is disposed beneath the operating mechanism. The accessory tray includes... Agent: Martin J. Moran Eaton Electrical, Inc.

20080237193 - Electrical switching apparatus, and accessory module and electrical conductor mount therefor: An electrical conductor mount is provided for an accessory including a number of electrical conductors and an actuator. The electrical conductor mount includes an accessory enclosure from which or to which the electrical conductors extend. A mounting element is disposed on the enclosure proximate the electrical conductors external to the... Agent: Martin J. Moran Eaton Electrical, Inc.

20080237191 - Electrical switching apparatus, and accessory module and strain relief mechanism therefor: A strain relief mechanism is provided for an accessory for an electrical switching apparatus, such as a circuit breaker. The accessory includes an enclosure having a first end with an aperture, a second end disposed opposite and distal from the first end, and a number of electrical conductors, such as... Agent: Martin J. Moran Eaton Electrical, Inc.

20080237194 - Metal-hydrate containing arc-extinguishing compositions and methods: An arc extinguishing composition including an arc-quenching metal hydrate (herein defined as a metal compound that produces water vapor (H2O) when in contact with an electrical arc), and one or more binders. The compositions contain an arc-quenching metal hydrate compound, such as Mg(OH)2, with or without a second arc-quenching compound,... Agent: Marshall, Gerstein & Borun LLP (s & C)