培訓資料完整版

1、7/28/2021燃油系統(tǒng)7/28/2021328-Jul-213燃油系統(tǒng)的位置位于車身底部貼近后懸掛系統(tǒng)及排氣管位于后排座椅下部7/28/20214燃油系統(tǒng)的工作環(huán)境貼近后懸掛系統(tǒng)及排氣管- 車輪卷起的石塊撞擊- 跟隨懸掛系統(tǒng)顛簸，振動- 排氣管部位的高溫烘烤位于車身底部- 泥土，碎石等的沖擊。- 存在托底風險，與地面直接接觸。- 接受環(huán)境溫度沖擊：夏季路面高溫及冬季寒冷低溫。- 光照腐蝕- 防水性能- 防銹性能位于后排座椅下部- 乘客體驗：噪音，振動等惡劣的工作環(huán)境7/28/2021528-Jul-215燃油系統(tǒng)的功能燃油加注燃油存儲燃油供應安全通氣性安裝固定噪音控制FuelEVAPunt

2、il 2003LEV 1Ph II2.0 g/dLEV 2Ph II/III0.5 g/dPZEVPh II/III 0.054 g/dAfter 2004CaliforniaEVAP- 20026.0 g/d20032.0 g/dMexicoCurrent2.0 g/dArgentinaCurrent6.0 g/dChileCurrent2.0 g/dBrazilLatin AmericaFuelEVAP2000 - 2004Euro IIIRF022.0 g/dAfter 2005Euro IVRF022.0 g/dEurope燃油系統(tǒng)排放法規(guī)要求28-Jul-2167/28/20217燃

3、油系統(tǒng)的種類金屬燃油箱塑料燃油箱TI的產品金屬燃油箱逐漸被塑料燃油箱所替代。7/28/20218PFT = Plastic Fuel Tank 塑料燃油箱SFT = Steel Fuel Tank 金屬燃油箱燃油系統(tǒng)的種類7/28/20219塑料燃油箱系統(tǒng)的形式馬鞍形油箱主副分體油箱長體油箱常規(guī)油箱塑料燃油箱可適應更復雜的車身機構，更緊湊的車身設計，可完成復雜形狀的成型，提高空間利用率。7/28/202110塑料燃油箱系統(tǒng)功能的實現(xiàn)燃油加注基本要求1. 燃油可以順利流入燃油箱本體中2. 加油同時產生的燃油蒸汽可以順利排出3. 安全：無燃油溢出，無燃油飛濺，防靜電等加油管總成7/28/20211

4、1塑料燃油箱功能的實現(xiàn)加油管總成流入端流出端燃油流入通路(fill pipe shell)TI制作HDPE蒸汽流出通路(vent line)多為采購部件-PA， -PB550，-橡膠（NBR, NBR/PVC,FKM)7/28/202112塑料燃油箱功能的實現(xiàn)加油管總成加油管單向閥(Inlet check valve)采購部件-HDPE-POM-彈簧-金屬加油站加油槍與加油管配合部分（fill head, fill neck)采購部件-金屬- HDPE（玻纖+炭黑）特殊要求具有導電性，可將加油過程中燃油與加油管側壁摩擦產生靜電通過車體接地。7/28/202113塑料燃油箱系統(tǒng)功能的實現(xiàn)燃油存儲

5、基本要求1. 足夠大的存儲空間2. 剩余容積的正確顯示3. 保持密封性4. 耐高低溫5. 安全：抗沖擊，抗腐蝕，阻燃等7/28/202114燃油箱分總成塑料燃油箱系統(tǒng)功能的實現(xiàn)燃油箱殼體( Tank shell)TI制作HDPE密封圈+鎖緊蓋(lock ring+ sealing)采購部分密封圈- NBR- NBR/PVC- FKM鎖緊蓋- 金屬- HDPE- PP- POM隔熱板( Heat Shield)采購部件- 鋁- 鋼板7/28/202115塑料燃油箱系統(tǒng)功能的實現(xiàn)燃油供應基本要求1. 為發(fā)動機提供持續(xù)有效地燃油供給2. 保持供油系統(tǒng)壓力3. 密封性7/28/202116塑料燃油箱系

6、統(tǒng)功能的實現(xiàn)燃油泵及供油管路供油管路( feed line, return line, delivery line)采購部件PB550燃油泵總成( pump module)采購部件7/28/202117塑料燃油箱系統(tǒng)功能的實現(xiàn)外置濾清器外置濾清器( external fuel filter)采購部件塑料金屬7/28/202118塑料燃油箱系統(tǒng)功能的實現(xiàn)通氣性基本要求1. 保正在各種工況下燃油蒸汽能夠順利排出2. 平衡燃油系統(tǒng)內部壓力3. 氣密性4. 不能有燃油通過通氣系統(tǒng)泄漏 7/28/202119燃油箱通氣系統(tǒng)塑料燃油箱系統(tǒng)功能的實現(xiàn)通氣接頭(Vent nipple)采購部件HDPE功能要求

7、控制加入的燃油容量，主要在加油時起作用。翻轉閥(ROV，GVV)采購部分HDPE功能要求調節(jié)燃油箱內部壓力，保持通氣油箱翻轉后自動關閉，防止燃油流出。蒸氣管路( vapor line)采購部件PA12PB5507/28/202120塑料燃油箱系統(tǒng)功能的實現(xiàn)安裝固定及噪音控制安裝固定的基本要求1. 燃油箱系統(tǒng)安裝的牢固性2. 固定位置精準噪音控制的基本要求1. 減少震動噪音2. 減少摩擦噪音3. 減少液體擾動噪音4. 降低噪音的傳遞7/28/202121塑料燃油箱系統(tǒng)功能的實現(xiàn)綁帶(strap)采購部件不銹鋼合金鋼鋁墊塊(Pad)采購部件橡膠泡棉7/28/202122塑料燃油箱系統(tǒng)功能的實現(xiàn)安全

8、性7/28/2021零部件詳細加油口接頭 Inlet check valve (ICV) / fill spud限油閥 FLVV翻轉閥/重力閥 ROV/GVV碳罐/限油閥管路 Carbon canister /FLVV lines供油管路 Fuel feed line蒸汽管路 Vapor vent line通氣管路 Re-circulation Lines油泵總成 Module (MRA) 綁帶 Straps隔熱板 Heat Shield(s)線束 Wire Harnesses固定部件及支架 Shields Attachments, Misc. Clips, Rings and Bracket

9、s加油管總成 Filler Pipe Assemblies零部件Types Two material outer housing, co-injected Multi-component Over molding Mono-material construction FunctionAttachment for Fill Pipe Guides fuel to tank Seals in case of Fill Pipe separation in crash Reduces fuel exposure of Fill Pipe Hose Typically welded to Tank S

10、hell (Hot Plate Welding)加油口接頭FunctionStops vapor flow to canister when tank is fullForces feedback to nozzle to shut offProvides secondary venting of tank systemRestricts Liquid Carry Over to canisterTypesModule mounted (as shown in image)Welded version (independent of module)FLVV接頭ROV FunctionProvi

11、des venting of tank system to canisterShuts off liquid fuel in case of roll-overTypesWeldedInsertable (module mounting)Grommet insertedInternally mountedGVV FunctionSame as ROVAdds two different flows at two different pressuresAids in better control of filling翻轉閥/重力閥FunctionsAbsorb fuel vapor, reten

12、tion fuel vapor until consumed by engineCanister sizes are rated by capacity of fuel tank and emission needs by OEM power-train groups碳罐FunctionsTransports refueling vapor to the Fill Pipe cupSome vapor will be ingested into tank thus reduce vapor emissionReady for gas stations to recover fuel vapor

13、 (in some area)蒸發(fā)與通氣管路Sub-Components/FeaturesFlange (steel or plastic)Electrical connection (E-conn)Supply/Return PortsOBDII Sensor (NA)FLVV/FLVV PortReservoir “can” (w/pump, filter, regulator contained within)Level Sender w/ float燃油泵FunctionFilter fuel to provide clean supplyProvide proper volume o

14、f fuel at required pressureEnsure no leakage if ports break in crashSend fuel level reading to IP (ohm output)Offer venting and fill level control when FLVV is incorporated into FlangeProvide location for OBDII (NA) Pressure Sensor to detect leaks during diagnostic cyclesOffer fuel transport options

15、 in “saddle” or “twin-tank” systemsCorvette Dual-tank System燃油泵FunctionSecures Fuel Storage and Delivery Systems to Unit Body or vehicle frameSupports tank from excessive sag during heat and pressureAids in retaining Heat ShieldsTypesStamped Strip Stamped PanIntegral Tub (heat shield, strap & skid p

16、late in one unitMaterialsCoated SteelsAluminumStainless Steel綁帶FunctionProtects tank system from excessive heat during normal and heavy load driving, failed exhaust, and excessive ambient temperaturesMay offer extra protection during fire testingTypically attached to fuel tank per OEMs usually works

17、 best when attached to exhaustVarious attachment methodsMaterialsStamped coated steelsCompression molded, glass-filled resinSingle, or multi-layer AluminumFiber blanket/Aluminum substrate compositesInjection molded plasticsOthers隔熱板FunctionSends power to chassis bundle/ECU to pumpTransmits power to

18、Fresh Air SolenoidsRelays signals for fuel level sensing and OBDII Pressure Sensor to ECU/IP線束Clip and Bracket FunctionSecures tubes and hoses to tank to eliminate wear and noiseMounting for value added components such as Carbon CanistersRetaining Heat ShieldsAssembly aids, such as handlesMaterialsH

19、DPE Paxon BA50100 equivalent for weldable portions or entire component (N.A. applications)Injection molded, or two plastic over-moldingsMetal and plastic composites附加部件及支架Module Attachment Ring FunctionSecures Module to tankProvides serviceable interface for repairProvides tank surface and interface strength in case of vehicular crashCompresses o-ring/seal between flange and tankMaterialsCoated Steels with secondary coatingsMetal and plastic composites燃油泵固定部件FunctionDirect fuel to tank during fillRe-circulates vapor for lower atmospheric emissionsTypesCoated St