Interrupter having grounded interrupter container within a groun

Details Interrupter having grounded interrupter container within a groun Interrupter having grounded interrupter container within a groun

1990-04-11

1992-09-08

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific circuit breaker or control structure

200148B, 335202, 361160, H01H 7306, H01H 902, H01H 1304

Patent

active

051463873

ABSTRACT:
An interrupter unit comprising, an interrupter including at least two pairs of contacts, and an interrupter container surrounding the pairs of contacts, each of the pairs of contacts having a first contact and a second contact which contacts the first contact or is positioned away from the first contact so that electricity flows between the first contact and the second contact or is prevented from flowing between the first contact and the second contact, an electric actuator device for driving the pairs of contacts so that the second contacts contact the first contacts or are positioned away from the first contacts, and at least one voltage-transformer which transforms an input voltage and supplies a suitably transformed voltage to the electric actuator device so that the electric actuator device drives the pairs of contacts, wherein the interrupter unit further comprises an electrically grounded cover surrounding the interrupter and having first cover terminals which are electrically connected to the first contacts, respectively, and second cover terminals which are electrically connected to the second contacts, respectively, wherein, the electric actuator device and the voltage-transformer are located in a space formed between the electrically grounded cover and the interrupter, the voltage-transformer being electrically connected to at least one of the cover terminals of the electrically grounded cover to receive the input voltage. Therefore, the inventive interrupter unit may be smaller than a prior art interrupter unit, while maintaining the safe condition of the interrupter unit.

REFERENCES:
patent: 3727019 (1973-04-01), Harvey
patent: 3813507 (1974-05-01), Kesselring
patent: 4514783 (1985-04-01), Olsen et al.
patent: 4663504 (1987-05-01), Barkan
patent: 4849650 (1989-07-01), Lutz
patent: 4860157 (1989-08-01), Russel
patent: 4894631 (1990-01-01), Castonguay et al.
patent: 4913503 (1990-04-01), Castonguay et al.
patent: 5023415 (1991-06-01), Itoh et al.

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