ISOLATOR ASSEMBLY AND METHOD OF INSTALLATION
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Jan 5, 2010
filing date -
Feb 12, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An isolator assembly which may be used, for example, to secure a fuel rail to a cylinder head. The isolator assembly includes a bolt, washer and compressive elements. When using the isolator assembly to mount a fuel rail, preferably initially the washer and a first compressive element are retained on the bolt. A shaft end of the bolt is then inserted into a mounting boss of the fuel rail, and a second compressive element is engaged with both the fuel rail and a threaded portion of the bolt. The bolt is then threaded into the cylinder head, causing the second compressive element to come into contact with the cylinder head and compress, along with the first compressive element. When fully installed, the first compressive element isolates the fuel rail from the bolt itself (and the washer), and the second compressive element isolates the cylinder head from the fuel rail.
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