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United States of America Patent

APP PUB NO 20140263451A1
SERIAL NO

13837147

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Importance

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Abstract

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A pumping system comprises a pump, first and second channels, a valve, and an actuator. The pump pumps fluid according to a pumping cycle. The first channel has a first fluid flow orifice with a first diameter, while the second channel has a second fluid flow orifice with a second diameter greater than the first diameter. The valve is configured to direct fluid from the pump to the first channel in a first state, and to the second channel in a second state. The actuator is configured to switch the valve into the first state during a high pressure period of the pumping cycle, and into the second state during a low pressure period of the pumping cycle.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GRACO MINNESOTA INC88TH 11TH AVENUE NE MINNEAPOLIS MN 55413

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brudevold, Mark J Fridley, US 20 20
Cook, Shaun M Tampa, US 5 0
Farrow, Douglas B Plymouth, US 5 0
Lihwa, John S Willowick, US 11 2
Lind, Robert J Robbinsdale, US 27 185
Long, Nicholas D Broadview Heights, US 12 48
Quam, Paul R Brooklyn Center, US 29 270
Ross, Daniel P Maplewood, US 40 494
Sebion, Michael J Apple Valley, US 17 75
Sheahan, Mark W Inver Grove Heights, US 5 0
Tix, Joseph E Hastings, US 42 186
Weinberger, Mark T Mounds View, US 48 208

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