Novel Application of Metering Pump on Diesel Aftertreatment P-7 Yi Liu, Ph.D

TM Metering Pump 12 or 24 V

ECU TM Bracket Diesel tank Pressure line up to 7 bar

nozzle Oxi-Cat + DPF

The Nations of the World 120° Ellesmere Island 6 0° 0° 60° Severnaya Zem1ly2a0° 180° Arctic Ocean Arctic Ocean Arctic Ocean Fran z Josef Land New Siberian Islands Green land (Den.) Sv albard (Nor.) Banks Island Jan Mayen (Nor.) Novaya Zemlya Wran ge l Isl and Sensors Vi c t o r i a I s l a n d Baffin Island

Faroe Is. (Den.) Norway U.S.A. Iceland Finland Estonia 60° U ni ted Ki ngdo m Sweden Russia 60° L atvia Den. Aleutian Islands (U SA) Canada Lithuania Ireland Belarus Neth. Po land Bel. Germany Is lan d of N ewfoun dl and Ukrai ne Czech . Sl ovak. K uri l Is lan ds Aus. Mo ldova France Hun g. K aza khs tan Mongolia Sw itz. Sl ov. Ro mania Cro. Yug o. Bos. Uzbekistan Bu lg aria G eorgi a North Atlantic Ocean Italy Mac. Kyrgyzstan United States of America Sp ain Alb ani a Armenia A zerbaijan N. Korea Po rtugal Greece Turkey Tu rkmen is tan Ta ji ki st an S. Korea Japan Syria North Pacific Ocean Tuni si a Cy p. Leb. A fgha ni st an North Pacific Ocean Morocco Israel Iraq Iran China Canary Islands (Sp.) Jordan Kuw ait Nep al 30° Alger ia Pakistan Bh u. 30° The Bah amas Libya Egypt Western Sahara (Mor.) Qatar Ba n g. Mexico Cu ba U. A. E. Myanmar (Burma) Ta iw an Hawaiian Islands Dominican Republic Saudi Arabia India Laos Mauritania Oman U. S. A. Jam. Mali Niger Belize H ai ti Eritrea Puerto Rico (US) Dominica Sudan Yemen Thailand Ph il ippi ne s Guatemala Hon du ras Senegal Chad Viet nam The Gambia Bu r ki na Fa s o El Salvador Nicarag ua Barbados Cambodia Guinea-Bissau Guinea Djibouti Andaman Is lands (In dia) Trinidad and Tobago Benin Marshall Islands Federated States of Micronesia Costa Rica Venezuela Guyana Sierra Leone Cô te D ’Ivoire Nigeria Et hiopia Sri Lanka Panama Suriname C. A . R. Ma ldives Brunei Guam (USA) Liberia Ca m e r o on French Guiana (Fr.) Togo Somalia Colombia Ghan a Uganda Malaysia Eq. Guinea Singapore Kenya Kiri bat i 0° Ecuador Gabon Rwanda 0° Galapagos Islands (Ecuador) Sao Tome & Principe Indonesia Zaire Burundi Papua N ew Gu in ea So lo mon I s lands Congo Tanzania Seychelles Malawi Peru Brazil Angola Za mbi a Mozambique Bolivia Zimbabwe Madagascar Fiji French Polynesia (Fr.) Namibia Botswana New Caledonia Parag uay Mau rit iu s Indian Ocean Australia Swaziland 30° South AfriLesca otho 30° Uruguay South Pacific Ocean Chile Argentina South Atlantic Ocean New Zealan d

Ta sman ia Falkland Islands (Islas Malvinas) (adm. by UK, claimed by Argentina) Îles Crozet (France)

South Georgia (adm. by UK, claimed by Argentina) 60° 60° DPF Active Regeneration Antarctica

150° 120° 90° 60° 30° 0° 30° 60° 90° 120° 150° 180°

I994 MAGELLAN GeographixSMSanta Barbara, CA (800) 929-4MAP Robinson Projection Enabler for Airless SCR

TM metering-pump Urea Doser 12 V or 24 V Engine control unit

Pressure line up to 10 bar

• 5 kg/hour at 10 bar counter pressure AdBlue • Durability ~ 1.8 billion cycles, ~ 25,000 hours passive TM valve nozzle • Frequency 0 - 40 Hz, accuracy 1% - 3% • Self-protection again freezing, self-thawing, self-priming • 12 /24 V, single electric contact, PWM control SCR-Cat Sensor • Optional integration with heating component, temp and pressure sensors, and control unit

Cooling and flow control valve