CN201100207Y - An electric-controlled mono-pump two-valve diesel engine - Google Patents
An electric-controlled mono-pump two-valve diesel engine Download PDFInfo
- Publication number
- CN201100207Y CN201100207Y CNU2007200864818U CN200720086481U CN201100207Y CN 201100207 Y CN201100207 Y CN 201100207Y CN U2007200864818 U CNU2007200864818 U CN U2007200864818U CN 200720086481 U CN200720086481 U CN 200720086481U CN 201100207 Y CN201100207 Y CN 201100207Y
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- China
- Prior art keywords
- electronically controlled
- pump
- controlled unit
- unit pump
- timing gear
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- Expired - Fee Related
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Abstract
The utility model provides an electric monoblock pump double-valve diesel engine, which comprises a crank link mechanism, a valve actuating mechanism, a boost system, a fuel supply system, a cooling system, a lubricating system, a starting system and a brake system, wherein the electro monoblock pump in the fuel supply system is installed on a gear chamber, and is located on the back end of the gear chamber, and an electric unit is installed on the cylinder of the diesel engine and is located on the same side with the electric monoblock pump. The electric monoblock pump is driven by a fuel injection pump timing gear (12) which is contacted with a cram shaft timing gear (15), the cram shaft timing gear (15) is driven by a crankshaft timing gear (14), a high pressure fuel pipe is reduced 3%-9%, and the radius of a low pressure fuel channel fuel pipe is increased 10%-15%. The number of jet holes of a fuel injector in the fuel supply system is six. A supercharger is adopted with a turbine with excellent low-speed performance and a gas compressor whose flow range is increased 15%-2o%. The rated flow of a cleaner in the fuel supply system is not larger than 8 L/min and the filter efficiency of 10 micron particles is larger than 98%.
Description
Technical field
The utility model belongs to communications and transportation/highway transport/automotive engineering/technical field of automobile engine, is specifically related to a kind of electronically controlled unit pump two valve engines.
Background technique
The piston rod formula diesel engine that Medium Truck is used structurally comprises connecting rod, distribution device, pressurization system, fuel oil supply system, cooling system, lubrication system, starting system and braking system etc.The comings 6B two valve diesel engines that present Medium Truck is used all are to adopt plunger type P type Injection Pump to carry out high pressure fuel injection, it is to adjust the fuel supply advance angle of Injection Pump to control injection timing by mechanical speed governor, promptly change the effective travel of plunger fuel feeding by rotary plunger, thereby change fuel delivery, therefore, it can not very accurately control injection timing and fuel injection quantity, can only satisfy state 2 (being equivalent to Europe 2) Abgasgesetz, can not satisfy state 3 (being equivalent to Europe 3) Abgasgesetz.
Electronically controlled unit pump is popular in recent years a kind of novel fuel jet pump.Its pump end jet pressure is higher than common P type Injection Pump, high speed powerful solenoid valve of every cylinder design.When fuel feeding, the engine state parameters that the ECU ECU (Electrical Control Unit) is collected according to various sensors is carried out analytical calculation, sends pulse signal in optimal time then, the unlatching of control electromagnetic valve and time-delay.Compressed high pressure fuel in the plunger cavity through high-pressure oil pipe and oil sprayer, sprays into burning chamber of diesel engine according to required timing and fuel injection quantity, thereby realizes accurately controlling injection timing and fuel injection quantity.
At present, the comings 6B two valve diesel engines used of Medium Truck also do not adopt electronically controlled unit pump.
The model utility content
The utility model provides a kind of simple and reasonable for remedying the deficiencies in the prior art, can satisfy electronically controlled unit pump two valve engines of state's 3 Abgasgesetzs.
The technical solution of the utility model: electronically controlled unit pump two valve engines of the present utility model comprise connecting rod, distribution device, pressurization system, fuel oil supply system, cooling system, lubrication system, starting system and braking system, electronically controlled unit pump in the fuel oil supply system is installed on the gear chamber, is positioned at the rear end of gear chamber; ECU (Electrical Control Unit) is installed on the engine cylinder, with the electronically controlled unit pump homonymy.
Described electronically controlled unit pump two valve engines, high-pressure oil passage shortens 3%～9%; Low pressure oil road binders bore increases by 10%～15%.
Described electronically controlled unit pump two valve engines, the nozzle hole number of the oil sprayer in the fuel oil supply system is 6 holes.
Described electronically controlled unit pump two valve engines, pressurized machine HX35W adopt turbo machine and range of flow with better low-speed performance to increase by 15%～20% gas compressor.
Described electronically controlled unit pump two valve engines, the filter rated flow in the fuel oil supply system are not less than 8L/min and 10 micron particles filter efficiencies greater than 98%.
Described electronically controlled unit pump two valve engines, the air compressor cooling liquid pipeline in the braking system are walked around the ECU ECU (Electrical Control Unit) and are arranged.
Technique effect of the present utility model is as follows:
Replace former mechanical type Injection Pump with electronically controlled unit pump, make diesel engine in the work engineering, improve fuel pump pump end jet pressure, realize accurately controlling injection timing and fuel injection quantity, cooperate lower intake swirl, more oil sprayer nozzle hole number again, realize evenly mixed combustion fast, improve the power character and the Economy of diesel engine, reduce smoke emission, and reach state's 3 Abgasgesetzs.And it is simple and reasonable.
Description of drawings
Fig. 1 is that schematic representation is arranged on right side of the present utility model.
Fig. 2 is that schematic representation is arranged in left side of the present utility model.
Fig. 3 is a gear transmission schematic representation of the present utility model.
Specific embodiments
Below in conjunction with embodiment the utility model is further described.
As shown in Figure 1 and Figure 2, the same connecting rod, distribution device, pressurization system, fuel oil supply system, cooling system, lubrication system, starting system and the braking system etc. of also comprising of comings 6B two valve diesel engines used of the utility model and present Medium Truck.On this basis, replace the mechanical type Injection Pump with electronically controlled unit pump 2, and be installed in the position of former mechanical type Injection Pump, promptly on the gear chamber 3; ECU ECU (Electrical Control Unit) 7 is installed on the engine cylinder 11, with electronically controlled unit pump 2 homonymies; The nozzle hole number of oil sprayer 10 is 6 holes, is installed in the exhaust side of engine, and the position is identical with present 6B two valve diesel engines; High-pressure oil pipe 1 shorten length 3%～9%; The mounting point is constant substantially; The rated flow of fuel filter 5 is not less than 8L/min and 10 micron particles filter efficiencies greater than 98%, and ability improves, and the position is constant substantially; 6 redesigns of low pressure oil circuit, low pressure oil road binders bore increases by 10%～15%, to adapt to electronically controlled unit pump 2, ECU ECU (Electrical Control Unit) 7 and fuel filter 5; Pressurized machine 9 adopts turbo machine and range of flow with better low-speed performance to increase by 15%～20% gas compressor.The cooling liquid pipeline 8 of the air compressor in the braking system is done suitably to adjust, and air compressor cooling liquid pipeline 8 is walked around ECU ECU (Electrical Control Unit) 7 and arranged.Air compressor 4 positions are motionless.
Fig. 3 is a gear transmission schematic representation of the present utility model: driving gear 13 positions are motionless, to adapt to ECU ECU (Electrical Control Unit) 7 are installed.
Electronically controlled unit pump 2 is driven by Injection Pump timing gear 12, Injection Pump timing gear 12 and camshaft timing gear 15 engagements, and camshaft timing gear 15 is driven by crankshaft timing gear 14.
Claims (7)
1. electronically controlled unit pump two valve engines, comprise connecting rod, distribution device, pressurization system, fuel oil supply system, cooling system, lubrication system, starting system and braking system, its major character is: the electronically controlled unit pump in the fuel oil supply system is installed on the gear chamber, is positioned at the rear end of gear chamber; ECU (Electrical Control Unit) is installed on the engine cylinder, with the electronically controlled unit pump homonymy.
2. electronically controlled unit pump two valve engines according to claim 1, it is characterized in that: electronically controlled unit pump is driven by Injection Pump timing gear (12), Injection Pump timing gear (12) and camshaft timing gear (15) engagement, camshaft timing gear (15) is driven by crankshaft timing gear (14);
3. electronically controlled unit pump two valve engines according to claim 1 and 2 is characterized in that: high-pressure oil pipe shortens 3%～9%; Low pressure oil road binders bore increases by 10%～15%.
4. electronically controlled unit pump two valve engines according to claim 1 and 2 is characterized in that: the nozzle hole number of the oil sprayer in the fuel oil supply system is 6 holes.
5. electronically controlled unit pump two valve engines according to claim 1 and 2 is characterized in that: pressurized machine adopts turbo machine and range of flow with better low-speed performance to increase by 15%～20% gas compressor.
6. electronically controlled unit pump two valve engines according to claim 1 and 2 is characterized in that: the filter rated flow in the fuel oil supply system is not less than 8L/min and 10 micron particles filter efficiencies greater than 98%.
7. electronically controlled unit pump two valve engines according to claim 1 and 2 is characterized in that: the air compressor cooling liquid pipeline in the braking system is walked around the ECU ECU (Electrical Control Unit) and is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200864818U CN201100207Y (en) | 2007-08-16 | 2007-08-16 | An electric-controlled mono-pump two-valve diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200864818U CN201100207Y (en) | 2007-08-16 | 2007-08-16 | An electric-controlled mono-pump two-valve diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201100207Y true CN201100207Y (en) | 2008-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200864818U Expired - Fee Related CN201100207Y (en) | 2007-08-16 | 2007-08-16 | An electric-controlled mono-pump two-valve diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201100207Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321803A (en) * | 2013-07-03 | 2013-09-25 | 广东德力柴油机有限公司 | Electric-control injection-type vertical single-cylinder diesel engine |
-
2007
- 2007-08-16 CN CNU2007200864818U patent/CN201100207Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321803A (en) * | 2013-07-03 | 2013-09-25 | 广东德力柴油机有限公司 | Electric-control injection-type vertical single-cylinder diesel engine |
| CN103321803B (en) * | 2013-07-03 | 2016-01-27 | 广东德力柴油机有限公司 | A kind of electric-control injection-type vertical single-cylinder diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080813 Termination date: 20130816 |