CN203081570U - Pressurized diesel engine pressurizing system - Google Patents
Pressurized diesel engine pressurizing system Download PDFInfo
- Publication number
- CN203081570U CN203081570U CN2013200086060U CN201320008606U CN203081570U CN 203081570 U CN203081570 U CN 203081570U CN 2013200086060 U CN2013200086060 U CN 2013200086060U CN 201320008606 U CN201320008606 U CN 201320008606U CN 203081570 U CN203081570 U CN 203081570U
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- Prior art keywords
- pressurized machine
- diesel engine
- variable
- pressurization system
- air hatch
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- 239000002912 waste gas Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 9
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model provides a pressurized diesel engine pressurizing system which comprises a variable-section nozzle pressurizer. An air-compressor air inlet of the variable-section nozzle pressurizer is communicated with a full vehicle air filter through an air inlet pipe. An air-compressor air outlet is communicated with a front-arranged intercooler through an air outlet pipe. A pressurizer waste gas taking port is connected with an engine exhaust manifold. One side of the variable-section nozzle pressurizer is connected with an oil inlet steel pipe, and the other end of the variable-section nozzle pressurizer is connected with an oil return pipe. Both the air-compressor air inlet and the air-compressor air outlet are arranged towards the front end of the engine. The pressurized diesel engine pressurizing system shortens length of a pressurizer air inlet pipeline, reduces airflow resistance, brings convenience for arrangement and saves spaces. Besides, performance of the pressurized diesel engine pressurizing system is improved.
Description
Technical field
The utility model relates to technical field of internal combustion engines, relates in particular to a kind of supercharged diesel engine pressurization system.
Background technique
The effect of pressurization system is to utilize the exhaust energy of motor to drive pressurized machine to carry out pressurized air, increases the suction pressure of motor, thereby improves the moment of torsion and the power of motor.Variable nozzle turbocharger can be realized the matched well with motor in full operating mode scope, improve the transient response ability of motor.
Usually the commercial car vehicle adopts the preposition or rearmounted layout of the empty filter of car load, and the compressor air inlet machine mouth of pressurized machine is provided with towards motor rear or side, under the preposition layout situation of the empty filter of car load, the bending of pressurized machine suction port connecting pipeline has increased the pressurized machine intake resistance.At the preposition layout of the empty filter of car load, need carry out brand-new design to the compressor air inlet machine mouth of pressurized machine for reducing the pressurized machine intake resistance, arrange with convenient, save the space, improve the engine booster systematic function.
The model utility content
Embodiment of the present utility model provides a kind of supercharged diesel engine pressurization system, has solved the problem that increases because of the preposition pressurized machine air inlet pipeline lengthening of the empty filter of car load, resistance.
For achieving the above object, the utility model embodiment provides following technological scheme:
A kind of supercharged diesel engine pressurization system, comprise the variable-area nozzle pressurized machine, the compressor air inlet machine mouth of described variable-area nozzle pressurized machine is communicated with by the empty filter of suction tude and car load, the gas compressor air outlet is communicated with preposition intercooler by steam outlet pipe, and pressurized machine waste gas air hatch connects enmgine exhaust; One side of described variable-nozzle pressurized machine connects the oil-feed steel pipe, and opposite side connects return tube, and the opening direction of described compressor air inlet machine mouth and gas compressor air outlet is all towards motor head.
Described enmgine exhaust is provided with the first cylinder air hatch, the second cylinder air hatch, the 3rd cylinder air hatch, the 4th cylinder air hatch and engine EGR passage; Described pressurized machine waste gas air hatch is arranged between the 3rd cylinder air hatch and the 4th cylinder air hatch on the enmgine exhaust.
As preferably, described return tube is two section bellowss.
Alternatively, described oil-feed steel pipe is connected by bolt with the variable-nozzle pressurized machine.
As preferably, described bolt is a perforated bolt.
As preferably, described variable-area nozzle pressurized machine is fixedly connected on the engine cylinder-body by the pressurized machine support.
Preposition at the empty filter of car load, the opening direction of compressor air inlet machine mouth and gas compressor air outlet has shortened pressurized machine air inlet pipeline length all towards motor head, has reduced gas-flow resistance, and convenient the layout saved the space, improves the engine booster systematic function.
Description of drawings
Fig. 1 is a supercharged diesel engine pressurization system structural representation of the present utility model;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is a supercharged diesel engine pressurization system assembling schematic representation of the present utility model;
Fig. 4 is the performance schematic representation of supercharged diesel engine pressurization system coupling motor of the present utility model.
Symbol description
1 variable-nozzle pressurized machine, 55 engine EGR passages
2 compressor air inlet machine mouths, 6 oil-feed steel pipes
3 gas compressor air outlets, 7 return tubes
4 pressurized machine waste gas air hatch, 8 pressurized machine supports
5 enmgine exhausts, 9 bolts
51 motors, the first cylinder relief opening, 10 suction tude
The empty filter of 52 motors, the second cylinder relief opening, 11 car loads
53 motors the 3rd cylinder relief opening, 12 steam outlet pipes
54 motors the 4th cylinder relief opening, 13 preposition intercoolers
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
As the description in the above-mentioned background technology, in order to solve the problem that increases because of the preposition pressurized machine air inlet pipeline lengthening of the empty filter of car load, resistance.The utility model provides a kind of supercharged diesel engine pressurization system, with reference to figure 1, shown in Figure 3, this system comprises variable-area nozzle pressurized machine 1, the compressor air inlet machine mouth 2 of described variable-area nozzle pressurized machine 1 is communicated with by the empty filter 11 of suction tude 10 and car load, gas compressor air outlet 3 is communicated with preposition intercooler 13 by steam outlet pipe 12, and pressurized machine waste gas air hatch 4 connects enmgine exhaust 5;
One side of described variable-nozzle pressurized machine 1 connects oil-feed steel pipe 6, and opposite side connects return tube 7, and the another port of oil-feed steel pipe 6 connects the main oil gallery place of engine cylinder-body, and the another port of return tube 7 connects the drainback passage flange of engine cylinder-body bottom; The opening direction of compressor air inlet machine mouth 2 and gas compressor air outlet 3 is all towards motor head.
With reference to shown in Figure 2, enmgine exhaust 5 is provided with the first cylinder air hatch 51, the second cylinder air hatch 52, the 3rd cylinder air hatch 53, the 4th cylinder air hatch 54 and engine EGR passage 55; In the present embodiment, described pressurized machine waste gas air hatch 4 is arranged between the 3rd cylinder air hatch 53 and the 4th cylinder air hatch 54 on the enmgine exhaust 5.
Traditional pressurized machine waste gas air hatch is arranged between the second cylinder air hatch and the 3rd cylinder air hatch, in the present embodiment owing to increased engine EGR passage 55, get the setting of gas effect and pressurized machine and enmgine exhaust position for obtaining best pressurized machine waste gas, adopted pressurized machine waste gas air hatch 4 to be arranged between the 3rd cylinder air hatch 53 and the 4th cylinder air hatch 54 on the enmgine exhaust 5.
As preferred embodiment, described return tube 2 is two section bellowss.
In other embodiment, return tube also can be a flexible pipe, but adopts two short corrugated pipes can make the position of return line more flexible, and matching is better.
In the present embodiment, the Placement that is connected by bolt 9 of preferred oil-feed steel pipe 6 and variable-nozzle pressurized machine 1.
Bolt 9 more preferred embodiment is a perforated bolt.
Variable-area nozzle pressurized machine 1 is fixedly connected on by pressurized machine support 8 and is used for fixing to variable pressurized machine 1 on the engine cylinder-body.
Adopt variable-nozzle (VNT) pressurized machine, its concrete principle is: control supercharger speed by the exit angle that changes nozzle blade.When low engine speed is moved,, use boost pressure to increase, thereby improve the low engine speed performance by turning down the less turbine actual internal area of nozzle ring.When high engine speeds turned round, nozzle ring was opened gradually, and the turbine actual internal area increases, and reduces boost pressure.Can realize pressurized machine and motor matched well like this in full operating mode scope.
Supercharged diesel engine pressurization system coupling 2.0L supercharged diesel engine of the present utility model.Adopt variable-nozzle (VNT) pressurized machine to realize matched well with motor, guaranteeing that identical high speed is (under the situation of 2200 ~ 2600rpm) moments of torsion, being significantly increased of the former relatively 1.9L diesel engine of low speed (1000rpm) moment of torsion (with reference to shown in Figure 4, former 1.9L low speed torque 140N.m, existing 2.0L low speed torque 160N.m).
Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (6)
1. supercharged diesel engine pressurization system, comprise variable-area nozzle pressurized machine (1), the compressor air inlet machine mouth (2) of described variable-area nozzle pressurized machine (1) is communicated with the empty filter of car load (11) by suction tude (10), gas compressor air outlet (3) is communicated with preposition intercooler (13) by steam outlet pipe (12), and pressurized machine waste gas air hatch (4) connects enmgine exhaust (5); One side of described variable-nozzle pressurized machine (1) connects oil-feed steel pipe (6), and opposite side connects return tube (7), and it is characterized in that: the opening direction of described compressor air inlet machine mouth (2) and gas compressor air outlet (3) is all towards motor head.
2. supercharged diesel engine pressurization system according to claim 1 is characterized in that: described enmgine exhaust (5) is provided with the first cylinder air hatch (51), the second cylinder air hatch (52), the 3rd cylinder air hatch (53), the 4th cylinder air hatch (54) and engine EGR passage (55); Described pressurized machine waste gas air hatch (4) is arranged between the 3rd cylinder air hatch (53) and the 4th cylinder air hatch (54) on the enmgine exhaust (5).
3. supercharged diesel engine pressurization system according to claim 1 is characterized in that: described return tube (7) is two section bellowss.
4. supercharged diesel engine pressurization system according to claim 1 is characterized in that: described oil-feed steel pipe (6) is connected by bolt (9) with variable-nozzle pressurized machine (1).
5. supercharged diesel engine pressurization system according to claim 4 is characterized in that: described bolt (9) is a perforated bolt.
6. supercharged diesel engine pressurization system according to claim 1 is characterized in that: described variable-area nozzle pressurized machine (1) is fixedly connected on the engine cylinder-body by pressurized machine support (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200086060U CN203081570U (en) | 2013-01-08 | 2013-01-08 | Pressurized diesel engine pressurizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200086060U CN203081570U (en) | 2013-01-08 | 2013-01-08 | Pressurized diesel engine pressurizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081570U true CN203081570U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200086060U Expired - Fee Related CN203081570U (en) | 2013-01-08 | 2013-01-08 | Pressurized diesel engine pressurizing system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203081570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806340A (en) * | 2015-05-12 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Diesel engine exhaust system assembly |
| CN107939511A (en) * | 2017-11-28 | 2018-04-20 | 盐城来拾集装箱有限公司 | A kind of automobile vibration booster |
-
2013
- 2013-01-08 CN CN2013200086060U patent/CN203081570U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806340A (en) * | 2015-05-12 | 2015-07-29 | 安徽江淮汽车股份有限公司 | Diesel engine exhaust system assembly |
| CN107939511A (en) * | 2017-11-28 | 2018-04-20 | 盐城来拾集装箱有限公司 | A kind of automobile vibration booster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20190108 |