Module combined with an electromagnetic switch appliance

Details Module combined with an electromagnetic switch appliance Module combined with an electromagnetic switch appliance

2001-07-03

2003-02-04

Riley, Shawn (Department: 2838)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electrical power distribution systems and devices

C361S600000, C336S060000, C200S306000

Reexamination Certificate

active

06515850

ABSTRACT:

BACKGROUND OF INVENTION
The present invention relates to an electric power supply control module for loads or motors which are mounted as an addition under a main electromagnetic switch appliance and having in a casing, current paths with commutating poles controlled by an electromagnet control device, as well as means capable of receiving and channelling gases flowing out of the breaker chambers of the main appliance.
DISCUSSION OF BACKGROUND
It is known how to combine two contactors in order to achieve inversion of the running direction of the motor.
It is also known from document FR 2758903 how to combine a main appliance of the contactor or contactor-breaker type, with an inverting module having power supply commutating poles capable of providing inversion of the running direction of the motor.
When a module such as the inverting module above is directly mounted under the main electromagnetic switch appliance (contactor or contactor-breaker), the gases which flow out of the breaker chambers of this main appliance do not have sufficient outlet space between the main appliance and the module.
SUMMARY OF INVENTION
The object of the present invention is to provide a module combined with a main switch appliance able to provide discharge of the gases from this main appliance by channelling them, before discharging them downwards.
According to the invention, the module is characterized by the fact that the means for channelling the gases are housed between two boxes housing the commutating poles. According to one feature, the means for channelling the gases are positioned at the rear of a conductor directly connecting a supply terminal with an output terminal without passing through a commutating pole.
According to another feature, the means for channelling the gases are formed by a central channel delimited by two partitions and by side channels provided between a partition and a box.
According to a feature, the module includes a central vent opening onto the central channel and side vents opening onto the side channels.


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patent: 5870277 (1999-02-01), Girard et al.
patent: 6037555 (2000-03-01), Castonguay et al.
patent: 6147419 (2000-11-01), Girard
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patent: 0 102 867 (1984-03-01), None
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patent: 2 704 352 (1994-10-01), None
patent: 2 758 903 (1998-07-01), None

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