METHOD AND APPARATUS FOR UREA CONDITIONING AND INJECTION CONTROL IN A SELECTIVE CATALYTIC REDUCTION SYSTEM

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United States of America Patent

APP PUB NO 20150283505A1
SERIAL NO

14435613

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Abstract

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An apparatus for conditioning an aqueous urea solution for injection in an engine exhaust treatment system, includes a urea solution conditioning tank having an inlet to receive an unconditioned urea solution and an outlet to deliver conditioned urea solution to an injection system, a sensor generating a signal indicating a concentration of urea in the tank, a heater for heating the urea solution in the tank and, an evaporation device for lowering the vapor pressure in the tank to remove evaporated water vapor from the tank.

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Patent Owner(s)

Patent OwnerAddress
VOLVO LASTVAGNAR AB405 08 GÖTEBORG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bergh, Patrik Jarved, SE 2 3
Brooks, Jeffrey A Greencastle, US 4 53

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