STAY ROD ASSEMBLY
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United States of America Patent
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N/A
Issued Date -
Jun 11, 2015
app pub date -
Dec 10, 2014
filing date -
Dec 10, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A stay rod assembly for reciprocating pump assembly is disclosed. The reciprocating pump assembly includes a power section having a power source to reciprocate a plunger. A cylinder section has a chamber to receive the reciprocating plunger from the power section. The stay rod assembly secures the cylinder section to the power section. The stay rod assembly includes a stud and the sleeve. The stud has a first end, a second end, a middle portion extending between the first end the second end, and a shoulder between the first end and the middle portion. The sleeve surrounds the stud and has a first loading end adjacent the shoulder, and a second loading end adjacent the second end of the stud. The sleeve is configured to be pre-compressed and to pre-tension the stud for reducing cycling stresses.
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