Method of making high voltage operating rod sensor

Details Method of making high voltage operating rod sensor Method of making high voltage operating rod sensor

2008-11-12

2010-12-21

Phan, Thiem (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S825000, C029S846000, C218S048000, C218S120000, C218S134000, C218S138000, C264S254000, C264S272110, C264S272150

Reexamination Certificate

active

07854058

ABSTRACT:
Methods for making and using vacuum switching devices are disclosed. A vacuum switching device has an operating rod for actuating a movable electrical contact within the device. The operating rod may be a hollow epoxy glass tube with an electrical sensor disposed within it, and there may be an elastomeric polymer filling compound disposed within the tube and encasing the sensor. The operating rod may be attached to the movable electrical contact on one end by a steel end-fitting that has been press-fit into the tube and secured with at least one cross pin. In this way, a very secure electromechanical connection may be made between the operating rod and the rest of the vacuum switching device, and the sensor is protected from shock associated with the operation of the device. Moreover, the vacuum switching device is compact and easy to construct.

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