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US 9,431,188 B2Granted
Circuit breakers having enlarged pressure relief valves and related electrical distribution panels and systems
AssigneeEaton Corporation
InventorsJames G. Maloney, Jeffrey S. Gibson
Life of this patent
Estimating the term…
Abstract
Circuit breakers are provided including a pressure release valve. The pressure release valve includes a vent portion and barrier portion. The barrier portion is configured to open when exposed to excessive heat generated by an arc and allow gases to escape from the circuit breaker. Related electrical distribution panels and systems are also provided.
Claims19
A circuit breaker comprising:
- a housing;
- and
- a pressure release valve on an exterior portion of the housing, the pressure release valve including a vent portion and barrier portion, the barrier portion being configured to open the vent portion when exposed to excessive heat generated by an arc and allow gases to escape from the circuit breaker,
- wherein the gases comprise arc quenching gases produced by arc quenching materials provided in the circuit breaker.
1 more element
An electrical distribution panel configured to receive a circuit breaker, the electrical distribution panel comprising:
- a housing;
- and
- a pressure release valve on an exterior portion of the housing, the pressure release valve including a vent portion and barrier portion, the barrier portion being configured to open the vent portion when exposed to excessive heat generated by an arc and allow gases to escape from the circuit breaker,
- wherein the gases comprise arc quenching gases produced by arc quenching materials provided in the circuit breaker.
1 more element
An electrical distribution system comprising:
- a housing;
- a load center;
- and
- a circuit breaker in the housing, the housing including a pressure release valve on an exterior portion of the housing including a vent portion and barrier portion, the barrier portion being configured to open the vent portion when exposed to excessive heat generated by an arc and allow gases to escape from the circuit breaker,
- wherein the gases comprise arc quenching gases produced by arc quenching materials provided in the circuit breaker.
2 more elements
Dependencies are inferred from the claim text.