Product dispenser with pressure relief

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United States of America Patent

PATENT NO 9730558
SERIAL NO

14711497

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Importance

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Abstract

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A fluid product dispensing system includes a liquid pump and a pneumatic pump that forces fluid product and pressurized air through a foaming device. The foam mixture forces a dispensing valve, located downstream, to open and thereby distribute product onto a user's hands. A control system turns off the pumps and open a pressure relief valve in the pneumatic conduit lines to relieve the buildup of pressure. The dispensing valve automatically resets, i.e. closes, to prevent the leakage of product from the nozzle.

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Patent Owner(s)

Patent OwnerAddress
GOJO INDUSTRIES INCP O BOX 991 AKRON OH 44309

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harris, Donald R Tallmadge, US 41 375
Marshall, Aaron D Uniontown, US 57 347
McNulty, John J Broadview Heights, US 65 725

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