Electric power terminal feed-through

Details Electric power terminal feed-through Electric power terminal feed-through

2006-07-05

2010-06-29

Patel, Dhiru R (Department: 2831)

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

C174S050590, C174S050630, C174S1520GM, C439S926000

Reexamination Certificate

active

07745725

ABSTRACT:
A power terminal feed-through incorporates a metallic body through which extend one or more current conducting pins that are hermetically sealed to the metallic body by a glass-to-metal seal. The metallic body includes an annular lip with a protrusion. During welding installation of the power terminal feed-through, the protrusion serves to assist in the welding process, better controlling the location and definition of the weld between the metallic body and a housing, and to focus the welding heat at the protrusion, thereby protecting the glass-to-metal seal. The glass-to-metal seal can be a single glass insert through which the current conducting pins extend, thereby reducing the pin circle diameter and the overall size of the power terminal feed-through.

REFERENCES:
patent: 3495028 (1970-02-01), Tutthill
patent: 5493073 (1996-02-01), Honkomp
patent: 5584716 (1996-12-01), Bergman
patent: 6114633 (2000-09-01), Duhancik
patent: 6140592 (2000-10-01), Paterek et al.
patent: 09-045992 (1997-02-01), None
patent: 11-288854 (1999-10-01), None
patent: 20-1983-0002462 (1983-11-01), None

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