CN2149482Y - Turbine pressure-increase diesel engine - Google Patents
Turbine pressure-increase diesel engine Download PDFInfo
- Publication number
- CN2149482Y CN2149482Y CN91225356U CN91225356U CN2149482Y CN 2149482 Y CN2149482 Y CN 2149482Y CN 91225356 U CN91225356 U CN 91225356U CN 91225356 U CN91225356 U CN 91225356U CN 2149482 Y CN2149482 Y CN 2149482Y
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- CN
- China
- Prior art keywords
- diesel engine
- cylinder
- type
- pressure
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
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- Supercharger (AREA)
Abstract
The utility model belongs to the category of internal combustion engines, relating to the pressure-increase technology of internal combustion engines, in particular to a waste gas turbine pressure-increase diesel engine. The utility model adopts a reciprocating piston type and a straightly arranged four-cylinder four-stroke type. The cylinder diameter is 93 mm, the piston stroke is 102 mm, and the cylinder pitch is 106 mm. The turbine pressure-increase diesel engine comprises a water cooling and drying type cylinder sleeve, an overhead valve, a W-shaped compound curved face type combustion chamber with notches at four corners, a cylinder cap helical air inlet passage structure, and a diesel engine of a VE-shaped distribution type high pressure injection pump. The left side of the cylinder cap is provided with a waste gas turbine pressure booster. A turbine is directly connected with a four-impulse type air outlet pipe. A compressor is communicated with a resonance type air inlet pipe through a soft pipe. A two-pole needle valve type pressure oil nozzle and a water cooling oil filter are adopted. The utility model has the advantages of good fuel atomization and high power.
Description
The utility model belongs to the internal-combustion engine category, relates to a kind of supercharging technology of internal-combustion engine--turbocharged diesel engine.
At present, diesel engine for automobile is not owing to there is pressurization system, and the ubiquity burning is insufficient, the oil consumption height, and vibration is big, discharges problems such as difference and power are low.
The purpose of this utility model is a kind of turbo-charged diesel of design, and it is good to make it have a fuel-oil atmozation, sufficient combustion, and oil consumption is low, vibrates for a short time, and emission performance is good, the power advantages of higher.
The utility model is achieved in that 493Q diesel engine--a kind of reciprocating piston type of development in north, in-line four cylinder four-stroke direct spray type, cylinder diameter is 93 millimeters, piston stroke is 102 millimeters, cylinder core distance is 106 millimeters, the water-cooled dry cylinder liner, overhead valve, the firing chamber is four jiaos of reducing W type compound curved surface formulas, cylinder cap spiral inlet duct structure, oil supply system is on the basis of VE type distribution type high-pressure injection pump, left side in cylinder head is provided with exhaust-gas turbocharger, its turbo machine directly links to each other with diesel engine four pulse type gas exhausting pipes, and gas compressor communicates with diesel engine resonant mode suction tude through the diesel engine top by flexible pipe, has adopted secondary needle valve pressure oil nozzle and water cooling unit oil rectifier.
The utility model has the advantages that: the diesel engine after the turbosupercharging is because the corresponding improvement of above-mentioned project organization, make rated power improve 40%, Maximum Torque improves 25%, minimum specific fuel consumption reduces by 4.3%, the diesel engine weight/power ratio reduces by 28%, vibration in the running test, noise and discharging obviously improve, and under any operating mode of external characteristics operation, the extremely light maximum value of smoke intensity is less than 1.7(RB).
Below in conjunction with drawings and Examples the utility model is elaborated:
Accompanying drawing 1 is the sectional view of 493ZQ type turbo-charged diesel.
Accompanying drawing 2 is a four-in-line formula diesel turbocharging system schematic.
Accompanying drawing 3 is resonant mode air feeder structure figure.
Accompanying drawing 4 is four pulse type gas exhausting duct ligation compositions.
Accompanying drawing 5 is a secondary needle valve pressure oil nozzle.
Accompanying drawing 6 is that the A of Fig. 5 is to view.
Among the figure: (1) cylinder of diesel engine, (2) piston, (3) oil nozzle, (4) outlet pipe, (5) turbosupercharger, (6) suction tude, (7) VE type distribution type high-pressure injection pump, (8) oil filter, (9) needle-valve, (10) push rod-1, (11) spring-1, (12) spring-2, (13) push rod-2, (14) valve body.
As shown in Figure 1, water-cooled exhaust-gas turbocharger (5), be arranged on the left side of cylinder head, its turbo machine directly links to each other with four pulse type gas exhausting pipes (4), gas compressor then communicates with resonant mode suction tude (6) through the diesel engine top by flexible pipe, the corresponding cylinder head left and right sides that is arranged in of air inlet and exhaust piper, the water-cooled dry cylinder liner is thin-wall tube-shaped band fixing structure in cylinder of diesel engine (1), four jiaos of reducing W of piston (2) top band type compound curved surface formula firing chamber, cylinder cap adopts spiral inlet duct to impel air inlet to produce eddy current, and fuel and air just are mixed with well and are beneficial to burning.
Consider supercharging reinforcement and reduction vibration, noise, increase by two stiffening ribs to improve rigidity in the cylinder body bi-side, set up on 6 millimeters of 6 φ the water hole at the cylinder body top reducing heat load, increase in cylinder base and grease fitting is installed cooling is forced at the piston cavity top.
Accompanying drawing 2 is a four-in-line formula diesel turbocharging system schematic.
Once selected for use RHB-52 type and V-50 type turbosupercharger to make running test in the utility model design, show that the pressurized machine of choosing and 493Q diesel engine mate on it, pressure ratio π k is about 1.8, dynamic economics obviously improves behind the diesel engine supercharging, selected turbosupercharger has the bleed valve structure and the water cooling loop is housed, the current that pump from water pump are dispelled the heat to rotor through pressurized machine, water (flow) direction flows to opposite with machine oil, for the load that reduces supercharged diesel engine has also adopted water cooling unit oil rectifier (8) that machine oil is cooled off, reach the effect that reduces engine heat load with the heat of taking away each fastness generation better.The suction tude internal pressure is in peak state, stablized suction pressure like this, improved volumetric efficiency η v, the position height because the suction tude internal volume is big, suction tude itself is exactly one " pressure stabilizer ", makes pressure surge minimum, engine mildness, be divided into upper and lower two-part for ease of making the dismounting suction tude, suction tude also has the bleed valve structure, guarantees that diesel engine maximum explosive pressure Pz is no more than design load.
Accompanying drawing 4 is four pulse type gas exhausting duct ligation compositions, transmission of heat, thermal stress, thermal distortion is carried out having determined optimum shape and material after the comprehensive analysis by finite element method outlet pipe is very short and small, and length L is 0.355m, and sectional area S is 48.8CM
2With appearances such as each cylinder exhaust ports of motor, guaranteed four direct impulse turbines of Pulse wave when four cylinders are worked in order and realized the high efficiency of the high responsiveness and the turbine of pressurized machine.
Accompanying drawing 5 is a secondary needle valve pressure oil nozzle, be applied to control effectively in the oil supply system noise, vibration and discharging, realized the good operating mode of diesel pressure booster operation, this oil nozzle is by needle-valve (9), push rod-1(10), spring-1(11), spring-2(12), push rod-2(13) and valve body compositions such as (14), the gap of push rod-1 and push rod-2 is for giving lift " δ ", when making charge oil pressure reach the injection cracking pressure of spring-1, VE distribution type high-pressure injection pump just begins to spray, needle-valve rose in giving lift in case stop when pressure reached spring-2 control range, just begun main injection, till needle-valve reaches full lift " Δ ",, motor is improved in the full speed range combustion process owing to adopt secondary needle valve pressure oil nozzle.
Embodiment of the present utility model, by testing the following tabular of contrast properties major parameter:
493Q diesel engine the utility model embodiment contrast in the engine performance index north
Pattern in-line four cylinder, four-stroke in-line four cylinder, four-stroke
The non pressurized direct spray type turbosupercharging of direct spray type
Bore/stroke (mm) 93 * 102 93 * 102
Swept volume (L) 2.771 2.771
Compression ratio 18.2:1 17.5:1
Cylinder working order 1-3-4-2 1-3-4-2
Rated power/rotating speed 5,0/3,600 70/3600
（kw／（r／min））
Maximum Torque/rotating speed 16,5/2,000 206/2300
（N·m／（r／min））
The minimum specific fuel consumption 241 231 of fuel oil
（g／kw·h）
Weight/power ratio (kg/kw) 4.65 3.57
Smoke intensity maximum value (RB)＜3.5＜1.7
Claims (5)
1, a kind of turbo-charged diesel, be reciprocating piston type, in-line four cylinder four-stroke direct spray type, cylinder diameter are 93 millimeters, piston stroke is 102 millimeters, cylinder core distance is 106 millimeters, water-cooled dry cylinder liner, overhead valve, the firing chamber is four jiaos of reducing W type compound curved surface formulas, cylinder cap spiral inlet duct structure, oil supply system are VE type distribution type high-pressure injection pump, it is characterized in that:
1) be provided with exhaust-gas turbocharger in the left side of cylinder head, its turbo machine directly links to each other with diesel engine four pulse type gas exhausting pipes, and gas compressor communicates with diesel engine resonant mode suction tude through the diesel engine top by flexible pipe,
2) secondary needle valve pressure oil nozzle and water cooling unit oil rectifier have been adopted.
2, diesel engine according to claim 1 is characterized in that: turbosupercharger has the bleed valve structure and the water cooling loop is housed.
3, diesel engine according to claim 1 is characterized in that: the resonant mode suction tude is divided into upper and lower two-part and forms and have the bleed valve structure.
4, diesel engine according to claim 1 is characterized in that: four pulse outlet pipe length are 0.355m, and the cross section is 48.8m, with appearances such as each cylinder exhaust ports of diesel engine.
5, diesel engine according to claim 1 is characterized in that: secondary needle valve pressure oil nozzle is made up of needle-valve, push rod-1, push rod-2, spring-1, spring-2 and valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91225356U CN2149482Y (en) | 1991-09-26 | 1991-09-26 | Turbine pressure-increase diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN91225356U CN2149482Y (en) | 1991-09-26 | 1991-09-26 | Turbine pressure-increase diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2149482Y true CN2149482Y (en) | 1993-12-15 |
Family
ID=33760430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN91225356U Expired - Lifetime CN2149482Y (en) | 1991-09-26 | 1991-09-26 | Turbine pressure-increase diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2149482Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100460664C (en) * | 2004-03-19 | 2009-02-11 | 株式会社久保田 | Vertical multi-cylinder diesel engine |
| CN107726313A (en) * | 2017-09-28 | 2018-02-23 | 上海交通大学 | The premix diesel fuel burner of detachable controllable exhaust components |
| CN110895161A (en) * | 2019-12-03 | 2020-03-20 | 福建工程学院 | Oil consumption instrument device for automobile |
-
1991
- 1991-09-26 CN CN91225356U patent/CN2149482Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100460664C (en) * | 2004-03-19 | 2009-02-11 | 株式会社久保田 | Vertical multi-cylinder diesel engine |
| CN107726313A (en) * | 2017-09-28 | 2018-02-23 | 上海交通大学 | The premix diesel fuel burner of detachable controllable exhaust components |
| CN110895161A (en) * | 2019-12-03 | 2020-03-20 | 福建工程学院 | Oil consumption instrument device for automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: BEIJING INTERNAL-COMBUSTION ENGINE GENERAL FACTORY TO: BEINEI GROUP CORP. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Beinei Group General Co. Patentee before: Beijing Internal-Combustion Engine Factory |
|
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |