On-demand high volume, low pressure spray system

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United States of America Patent

PATENT NO 10328442
APP PUB NO 20170239675A1
SERIAL NO

15437019

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Various embodiments concern a sprayer having a blower that outputs a HVLP flow of air into a hose, the hose connecting with a spray gun. A pressure sensor measures pressure of the HVLP air within the hose via a tube that branches from a fitting to which the hose connects. If the sensor indicates that the pressure level has increased above a threshold amount, indicating that the trigger of the spray gun is not being actuated, then power output to the blower is reduced (e.g., stopped). HVLP air is trapped within the hose by two valves when the trigger is not actuated. When the sensor indicates that the pressure level has decreased, corresponding to release of the trapped HVLP air into the gun for spraying by actuation of the trigger, power to the blower is increased (e.g., resumed).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
GRACO MINNESOTA INC88 11TH AVENUE NE MINNEAPOLIS MN 55413

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Olson, Diane L Elk River, US 41 309
Svendsen, John M Corcoran, US 16 199

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