Constant pressure sample cylinder with spheroid mixer

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United States of America Patent

PATENT NO 4922764
SERIAL NO

07243589

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Abstract

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A constant pressure cylinder with a spheroid or ellipsoid mixer is disclosed herein. Improvements include a spheroid or ellipsoid mixing element for mixing the accumulated sample. The mixing element is free to move about the sample chamber but is consturcted in such a way to avoid damage to the interior cylinder walll. Other generally ellipsoid shaped mixing elements are also disclosed. The invention additionally incorporates an improved piston for use in the cylinder. The piston contains a magnet assembly which may be used in conjunction with an invention by a third party to visually display the location of the piston in the cylinder.

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Patent Owner(s)

Patent OwnerAddress
WELKER ENGINEERING COMPANY A CORP OF TX13839 W BELLFORT SUGAR LAND TX 77478

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Welker, Brian H Sugar Land, TX 51 927

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