US 9,006,600 B2 · High current vacuum interrupter with sectional electrode and multi heat pipes

Abstract

An electrode assembly for a circuit breaker is provided. The electrode assembly includes a conductive assembly and a heat transfer assembly. The conductive assembly includes a stem portion and a contact portion. The heat transfer assembly includes a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface. The first heat transfer surface is disposed on the conductive assembly. Each heat transfer assembly body includes a second heat transfer surface. Each heat transfer assembly body is coupled to the conductive assembly with the first heat transfer surface coupled to a number of second heat transfer surfaces.

Claims16

Dependent claims

An electrode assembly for a circuit breaker comprising:

a conductive assembly including a stem portion and a contact portion;
a heat transfer assembly including a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface;
said first heat transfer surface disposed on said conductive assembly;
said second heat transfer surface disposed on a number of said heat transfer assembly bodies;
each said heat transfer assembly body coupled to said conductive assembly with said first heat transfer surface coupled to said second heat transfer surface;
each said heat transfer assembly body including a stem portion and a contact portion;
wherein each said heat transfer assembly body contact portion has a generally circular cross-section;
said conductive assembly defines a generally circular heat transfer passage;
each said heat transfer assembly body contact portion corresponding to said heat transfer passage;
wherein said first heat transfer surface is disposed substantially over the surface of said heat transfer passage;
and
wherein said second heat transfer surface is disposed over the surface of each said heat transfer assembly body contact portion.

9 more elements

An electrode assembly for a circuit breaker comprising:

a conductive assembly including a stem portion and a contact portion;
a heat transfer assembly including a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface;
said first heat transfer surface disposed on said conductive assembly;
said second heat transfer surface disposed on a number of said heat transfer assembly bodies;
each said heat transfer assembly body coupled to said conductive assembly with said first heat transfer surface coupled to said second heat transfer surface;
said conductive assembly contact portion includes a generally planar contact member and a number of coil member contact portions;
each said contact member including a first surface and a second surface;
each said contact member first surface defining a channel;
each said coil member contact portions including a first surface and a second surface;
each said coil member contact portion second surface defining a channel;
each said coil member contact portion second surface coupled to said contact member first surface with each said coil member contact portion second surface channel aligned with said contact member first surface channel whereby each said coil member contact portion second surface channel and said contact member first surface channel form a heat transfer passage;
each said heat transfer assembly body including a stem portion and a contact portion;
each said heat transfer assembly body contact portion corresponding to said heat transfer passage;
and
each said heat transfer assembly body contact portion disposed in said heat transfer passage.

12 more elements

A vacuum interrupter assembly comprising:

a vacuum chamber including a sidewall and a bellows;
said vacuum chamber sidewall defining an enclosed space including a first opening and a second opening;
a bellows including a body with a first end and a second end;
said bellows body first end sealingly coupled to said vacuum chamber sidewall about said second opening;
a stationary, first electrode assembly including a stem portion and a contact portion;
said first electrode assembly stem portion sealingly coupled to said vacuum chamber sidewall at said sidewall first opening;
a movable, second electrode assembly including a stem portion and a contact portion;
said second electrode assembly stem portion sealingly coupled to said bellows second end;
at least one of said first and second electrode assemblies including:
a conductive assembly including a stem portion and a contact portion;
a heat transfer assembly including a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface;
said first heat transfer surface disposed on said conductive assembly;
said second heat transfer surface disposed on a number of said heat transfer assembly bodies;
each said heat transfer assembly body coupled to said conductive assembly with said first heat transfer surface coupled to said second heat transfer surface;
said conductive assembly contact portion includes a generally planar contact member and a number of coil member contact portions;
each said contact member including a first surface and a second surface;
each said contact member first surface defining a channel;
each said coil member contact portions including a first surface and a second surface;
each said coil member contact portion second surface defining a channel;
each said coil member contact portion second surface coupled to said contact member first surface with each said coil member contact portion second surface channel aligned with said contact member first surface channel whereby each said coil member contact portion second surface channel and said contact member first surface channel form a heat transfer passage;
each said heat transfer assembly body including a stem portion and a contact portion;
each said heat transfer assembly body contact portion corresponding to said heat transfer passage;
and
each said heat transfer assembly body contact portion disposed in said heat transfer passage.

21 more elements

A vacuum interrupter assembly comprising:

a vacuum chamber including a sidewall and a bellows;
said vacuum chamber sidewall defining an enclosed space including a first opening and a second opening;
a bellows including a body with a first end and a second end;
said bellows body first end sealingly coupled to said vacuum chamber sidewall about said second opening;
a stationary, first electrode assembly including a stem portion and a contact portion;
said first electrode assembly stem portion sealingly coupled to said vacuum chamber sidewall at said sidewall first opening;
a movable, second electrode assembly including a stem portion and a contact portion;
said second electrode assembly stem portion sealingly coupled to said bellows second end;
at least one of said first and second electrode assemblies including:
a conductive assembly including a stem portion and a contact portion;
a heat transfer assembly including a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface;
said first heat transfer surface disposed on said conductive assembly;
each said heat transfer assembly body including a second heat transfer surface;
and
each said heat transfer assembly body coupled to said conductive assembly with said first heat transfer surface coupled to a number of second heat transfer surfaces;
said first electrode assembly includes:
a conductive assembly including a stem portion and a contact portion;
a heat transfer assembly including a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface;
said first heat transfer surface disposed on said conductive assembly;
each said heat transfer assembly body including a second heat transfer surface;
each said heat transfer assembly body coupled to said conductive assembly with said first heat transfer surface coupled to a number of second heat transfer surfaces;
and
said second electrode assembly includes:
a conductive assembly including a stem portion and a contact portion;
a heat transfer assembly including a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface;
said first heat transfer surface disposed on said conductive assembly;
each said heat transfer assembly body including a second heat transfer surface;
and
each said heat transfer assembly body coupled to said conductive assembly with said first heat transfer surface coupled to a number of second heat transfer surfaces.

26 more elements

A circuit breaker comprising:

a housing assembly;
an upper terminal, said upper terminal coupled to said housing assembly;
a lower terminal, said lower terminal coupled to said housing assembly;
an operating mechanism, said operating mechanism coupled to said housing assembly;
a vacuum interrupt assembly, said vacuum interrupt assembly coupled to said upper terminal and said lower terminal;
said vacuum chamber including:
a sidewall and a bellows;
said vacuum chamber sidewall defining an enclosed space and including a first opening and a second opening;
a bellows including a body with a first end and a second end;
said bellows body first end sealingly coupled to said vacuum chamber sidewall about said second opening;
a stationary, first electrode assembly including a stem portion and a contact portion;
said first electrode assembly stem portion sealingly coupled to said vacuum chamber sidewall at said sidewall first opening;
a movable, second electrode assembly including a stem portion and a contact portion;
said second electrode assembly stem portion sealingly coupled to said bellows second end;
at least one of said first and second electrode assemblies including:
a conductive assembly including a stem portion and a contact portion;
a heat transfer assembly including a number of elongated bodies, a first heat transfer surface, and a second heat transfer surface;
said first heat transfer surface disposed on said conductive assembly;
said second heat transfer surface disposed on a number of said heat transfer assembly bodies;
each said heat transfer assembly body coupled to said conductive assembly with said first heat transfer surface coupled to said second heat transfer surfaces;
each said heat transfer assembly body including a stem portion and a contact portion;
wherein each said heat transfer assembly body contact portion has a generally circular cross-section;
said conductive assembly defines a generally circular heat transfer passage;
each said heat transfer assembly body contact portion corresponding to said heat transfer passage;
wherein said first heat transfer surface is disposed substantially over the surface of said heat transfer passage;
and
wherein said second heat transfer surface is disposed over the surface of each said heat transfer assembly body contact portion.

24 more elements

Dependencies are inferred from the claim text.

High current vacuum interrupter with sectional electrode and multi heat pipes

Life of this patent

High current vacuum interrupter with sectional electrode and multi heat pipes

Life of this patent

Abstract

Claims16