Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1994-04-08
1996-05-28
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
361600, H01H 6702
Patent
active
055215670
ABSTRACT:
A switchgear module is provided that is assembled from one or more molded housing portions to provide a gas-tight volume for the housing of electrical components. The switchgear modules include provisions for assembly of various combinations of switchgear modules into a variety of electrical circuit configurations while maintaining a gas seal of the switchgear modules. In a preferred arrangement, the switchgear module includes bus conductors that are integrally incorporated during the molding of the switchgear module housing and that are accessible from opposite sides of the module. Further, the switchgear module includes integrally molded features for providing access to make electrical interconnections between the bus conductors of adjacently positioned switchgear modules. Thus, the finally assembled and tested switchgear modules with pressurized internal volume may be configured to provide a variety of different electrical circuit combinations of the internal components and are also capable of being reconfigured as desired into different configurations or lineups without the loss of the seal of the interior volume of the switchgear modules. The switchgear module includes a complete internal and integral system to satisfy desirable operating practices to deenergize, test and ground the circuit before working thereon. Specifically, the switchgear module includes an integral indicator with test feature, a visible open gap in the circuit which is readily observable externally to the module, and a ground position for the internal switch to ground the circuit. In a preferred arrangement, an operating mechanism is internal to the module and controls the position of either a loadbreak switch or a disconnect switch between three operable positions, close, open, and ground. The operating mechanism is charged and operated by an operating train that is connected to an operator control.
REFERENCES:
patent: 2424345 (1947-07-01), West
patent: 3597527 (1971-08-01), Lusk
patent: 4484046 (1984-11-01), Neuhouser
patent: 5241290 (1993-08-01), Sehmer et al.
patent: 5257161 (1993-10-01), Ocerin
patent: 5373415 (1994-12-01), Tawaratani
Square D Bulletin SY-9T (Sep./86) "VISI VAC Pad Mounted Switchgear".
ABB Publication N-H5194E "Type tested metal-enclosed . . . ".
G&W Catalog CA2-88, Mar. 1988 "Today's universal solution for making ends meet".
Devonald, III David H.
Hansen James A.
Kowalyshen Henry W.
Lin Chester H.
McGlone Buddy B.
Donovan Lincoln
Lapacek James V.
S&C Electric Company
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