Multi-point seal lubrication system

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United States of America Patent

PATENT NO 10173232
APP PUB NO 20160146201A1
SERIAL NO

14904298

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A spray system includes a fluid source, a sprayer, a pump cylinder, a plunger, a pump motor, first and second inlet and outlet valves, a plurality of valve seals, a seal lubricant reservoir, and gravity fed seal lubricant lines. The pump cylinder is disposed fluidly between the fluid source and the sprayer. The plunger is situated within the pump cylinder and positioned by a displacement rod. The pump motor is configured to drive the displacement rod so as to reciprocate the plunger within the pump cylinder. The valve seals are disposed about the each of the first and second inlet and outlet valves. The lubricant seal lines carry seal lubricant from the reservoir to each of the valve seals.

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Patent Owner(s)

  • GRACO MINNESOTA INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Van, Keulen Dennis J Rogers, US 12 59

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