Compact cartridge coupling
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United States of America Patent
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May 20, 2014
Grant Date -
Jan 19, 2012
app pub date -
Jul 12, 2011
filing date -
Jul 16, 2010
priority date (Note) -
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Abstract
The present invention relates to a compact cartridge coupling of the type adapted to connect a pressurized fluid line between a vehicle or apparatus and a user, the coupling comprising a female semi-coupling adapted to receive a male semi-coupling and a decompression element adapted to moderate the pressure inside the female semi-coupling thus allowing a male under pressure to be coupled and allowing the male to be disconnected while leaving pressure in the user line, the cartridge coupling being further characterized by a 3:1 hydraulic unbalancing system between the pressure force acting on the female valve assembly and that acting on the male valve assembly.
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