Magnetic drive assembly for petroleum and LPG meter
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United States of America Patent
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Aug 16, 2011
Grant Date -
Nov 26, 2009
app pub date -
Apr 6, 2007
filing date -
Apr 7, 2006
priority date (Note) -
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Abstract
A metering system for measuring a flow of petroleum and LPG. In embodiments of the invention, a magnetic drive is used to couple a measuring chamber, such as a known oscillating piston system, to a register or indicator, avoiding leakage and excessive wear due to passing a shaft through the wall of the chamber.
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