Tier 4 overview Date 2 April 2013 Vico de Bres Customer Service Department Yanmar Europe B.V. Content 1. Emission regulations 2. Product overview 3. Page1
Emission regulations Tier 4 Page2 USA EPA-Tier 4 emission regulation NOx+NMHC / PM g/kwh 7.5 7.5 7.5 7.5 NOx+NMHC 0.8 0.4 4.7 0.6 4.7 0.4 0.4 0.3 0.3 NMHC 0.19 0.03 0.03 NOx 0.4 0.02 kw<19 19 kw<37 37 kw<56 56 kw<75 75 kw<130 IDI PM Mechanical Injection Pump DI 4.7 3.59 Common Rail Injection System 6.6 4.0 3.59 0.19 0.4 0.3 0.02 EGR with Cooler Diesel Particulate Filter w/ Oxidation Catalyst Engine Total Electronic Control System Page3
Detail technology Emission Reduction Road Map Tier2 TNV-Tier2 Model Semi-High Pressure Injection (Mechanical FI-P) PM Interim Tier4 TNV-Interim Tier4 Model Combustion Optimization Tier4 DPF System Cooled EGR High Pressure Injection (Common Rail) + Combustion Optimization NOx + NMHC Page4 European Stage IIIB emission regulation EU-StageⅢB Regulation NOx+NMHC / PM g/kwh NO-Regulation 8.5 7.5 0.8 0.6 8.3 8.3 4.7 4.7 kw<19 19 kw<37 37 kw<56 56 kw<75 75 kw<130 IDI Mechanical Injection Pump DI Mechanical Injection Pump 3.3 7.0 4.0 3.3 0.4 0.4 0.3 0.59 0.59 0.025 0.025 0.025 DI Common Rail Injection System EGR with Cooler Diesel Particulate Filter with Oxidation Catalyst Engine Total Electronic Control System Page5
Product overview Page6 Product overview Tier 4 3TNV74F 1.0L 1.5L 2.0L 3.0L 4.0L 3TNM74 3TNV80F 3TNV88F/ 3/4TNV86C 3/4TNV88 4TNV98C(T) F C T C NV1 NV2 NV3 NV1 NV2 NV3 Use Mechanical Governor + altitude compensation device Common rail system Cooled EGR Electronic controlled Common rail system Cooled EGR Electronic controlled Not required for Stage IIIB! Page7
Products line-up Tier4 Compliance Models 56kW 4TNV98CT[3.32] 4TNV98C[3.32] 3.0 Displacement Liter 2.0 3TNV88F[1.64] 1.0 4TNV88C[2.19] 4TNV86CT[2.09] 19kW 3TNV88C[1.64] 3TNV86CT[1.57] 3TNV80F[1.27] 3TNM74F[0.99] 3TNV74F[0.99] 20 40 60 80 Output (Gross) kw Page8 Products line-up Specification (over 19kW) Engine Model Type Combustion System NV2-CR series 3TNV88-CR 3TNV86T-CR 4TNV88-CR 4TNV86T-CR Vertical, 4-cycle Water-Cooled Diesel Direct Injection (DI) Cylinder No. Bore x Stroke mm 3 88 x 90 3 86 x 90 4 88 x 90 4 86 x 90 Displacement L 1.642 1.568 2.189 2.090 Output Range kw 20.0-27.5 27.4-31.0 21.8-35.5 27.7-44.0 Fuel Injection System Common Rail Injection System Aspiration Natural Aspiration Turbo Charged Natural Aspiration Turbo Charged Engine Size (LxHxW) Emission Compliance Depend on DPF Layout US EPA Tier4, EU NRMM Stage IIIB, JPN Off-Road Tier3 Page9 (B)
Products line-up Specification (over 19kW) Engine Model 4TNV98C NV3-CR series 4TNV98CT Type Combustion System Cylinder No. Bore x Stroke Vertical, 4-cycle Water-Cooled Diesel Direct Injection (DI) mm 4 98 x 110 Displacement L 3.319 Output Range kw 41.5-51.7 51.0-53.7 Fuel Injection System Common Rail Injection System Aspiration Natural Aspiration Turbo Charged Engine Size (LxHxW) Emission Compliance Depend on DPF Layout US EPA Tier4 ( 56kW : Interim Tier4), EU NRMM Stage IIIB, JPN Off-Road Tier3 Page10 (B) Products line-up Rated Gross Power Line-Up Model CL GROSS Output VM (kw) CH VH Series Name Disp 1500 1800 2000 2100 2200 2300 2400 2500 2600 2700 2800 3000 3000 3600 3200 3400 3600 MINIMAX 3TNM74F 0.993 (7.4) (8.8) (15.2) 17.8 15.8 17.0 17.8 NV1 3TNV74F 0.993 (9.2) (9.8) (10.3) (10.7) 11.2 (11.7) (12.1) (13.7) 3TNV80F 1.266 (9.2) (11.1) (12.1) 13.4 (14.0) (14.6) 15.2 15.8 (17.0) 17.8 NV2-MP 3TNV88F 1.642 13.7 15.5 18.2 18.2 18.2 3TNV88C 1.642 21.8 22.8 23.7 25.5 27.5 NV2-CR 3TNV86CT 1.568 27.4 28.5 31.0 32.4 4TNV88C 2.189 26.7 29.1 30.5 31.7 34.3 35.5 4TNV86CT 2.091 27.7 35.5 36.6 37.9 41.1 44.0 NV3-CR 4TNV98C 3.318 41.5 42.4 44.3 46.2 48.1 49.9 51.7 4TNV98CT 3.318 51.0 51.6 53.7 53.7 53.7 53.7 Page11
Page12 Engine Structure (over 19kW) Exhaust Gas Re-circulation (EGR) System Diesel Particulate Filter (DPF) Yanmar Industrial DPF System NOx Reduction DPF Regeneration Assist Device (Intake Throttle) DOC (Oxidation Catalyst) SF (Soot Filter) Silencer Yanmar Original Regeneration Control Common Rail (CR) Fuel Injection System Oxidize HC, CO Generate NO2 for Regeneration Trap PM Exh. Noise Reduction Page13
Intake side DPF diff. press. sensor Injector EGR temp. sensor EGR valve CW temp. sensor Intake throttle Ambient temp. sensor Crank speed sensor Supply pump Rail press. sensor Fuel temp. sensor : Sensor : Actuator Page14 Exhaust side Intake manifold temp. sensor EGR press. sensor Exhaust throttle (option) DPF inlet temp. sensor Atmospheric press. sensor DPF inside temp. sensor Exhaust gas temp. sensor Cam speed sensor : Sensor : Actuator Page15
For CR system 7 Cylinder head 2-valve Injector angle : 10 deg For stable quality 17 Harness Mounted on engine EGR compensation control 8 Corrector 15 EGR pressure sensor Standardize for air intake location Int/Exh pressure sensing CR system EGR compensation control DPF relational 1 Injector 18 Temperature sensor 12 Exhaust manifod Max. opening pres.:160mpa Int/Exh temperature sensing Tightning bolt change to M10 DPF relational 16 Exh-throttle (Option) DC motor type DPF relational 13 DPF DPF w/ Silencer For Exh-emission 9 EGR valve DC motor type DPFrelational 14 CR system 3 Pressure sensor Sensing DPF clogginess Common Rail Max opening pres : 160MPa DPF relational 11 DC motor type Intake throttle 6 CR system 2 Supply pump 10 EGR cooler 1 plunger (same speed as engine) Improving LOC Improving Heat load Cylinder block Machined with dummy-head For CR system 4 Gear train 2 idling gear (for supply pump speed to be same as engine) For CR system 5 Gear case ADC gear case (to mount 2 idle gear) For Exh-emission Below exh-manifold Page16 For DPF control 1 Port for sensor For Temperature sensor For Pressure sensor For DPF control 2 Pressure sensor pipe Upper stream side:φ9mm Downstream side:φ6mm 3 Temperature sensor Sensing material:platinum Sensor length: L=70 4 Insulation Insulator between inner and outer cylinder 5 Retention mat Material :Ceramic Fiber For retension DOC, and SF Insulation and sealing DPF regen.control 12 DPF pre.sensor Sensing SF In/Out pres. Inlet Inlet Outlet For noise reduction Outline Outlet Cross-sectional view 11 Silencer room Muffling chamber :2 expansion room application for outlet dir. DPF component DPF component DPF component 6 DOC Assy Smooth gas flow DOC holding Insulation 7 SF holding Insulation Soot Filter Assy 8 Silencer room Noise reduction meet application 9 Diesel Oxidation Catalyst DOC base material 10 Soot filter Material : SiC Page17
2011 年 3 月 22 日 THANK YOU FOR YOUR ATTENTION.