CONNECTING ROD BEARING SHELL OR BUSH OR MAIN BEARING SHELL FOR COMBUSION ENGINES
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United States of America Patent
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Issued Date -
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app pub date -
Aug 6, 2007
filing date -
Feb 4, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a connecting rod bearing shell or bush for combustion engines or a main bearing shell for mounting the crankshaft of combustion engines. Said bearing shell or bush is made of a composite plain bearing material comprising a metallic, especially steel support layer, a metallic sliding layer (2) that is applied thereto and is formed from a copper-zinc alloy containing 10 to 25 percent by weight of Zn and 1 to 8 percent by weight of Ni, and a sputtered-on overlay layer (4) which faces the sliding layer, is made of an aluminum-tin alloy, and is sputtered directly onto the sliding layer such that a thin nickel barrier layer (10) having a thickness of less that 1 .mu.m is formed.
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