Relay for a transfer mechanism which transfers power between a utility source and a stand-by generator
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United States of America Patent
Stats
-
Feb 3, 2004
Grant Date -
May 16, 2002
app pub date -
Jan 29, 2001
filing date -
Aug 19, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A relay is provided for a transfer mechanism which transfers power between a utility source and a stand-by electrical generator. The relay incorporates contacts formed from two distinct materials. A backing portion of each contact is formed from copper and a contacting portion is deposited on the backing portion. The contacting portion is formed from tungsten. The arrangement of the contact minimizes the potential for failure of the transfer mechanism when the transfer mechanism is exposed to significant current and/or heating during operation thereof.
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