CN100412331C - Diesel engine - Google Patents
Diesel engine Download PDFInfo
- Publication number
- CN100412331C CN100412331C CNB2004100661119A CN200410066111A CN100412331C CN 100412331 C CN100412331 C CN 100412331C CN B2004100661119 A CNB2004100661119 A CN B2004100661119A CN 200410066111 A CN200410066111 A CN 200410066111A CN 100412331 C CN100412331 C CN 100412331C
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- China
- Prior art keywords
- diesel engine
- air
- mentioned
- control device
- eddy current
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- 238000005452 bending Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000000295 fuel oil Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 23
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910003407 AlSi10Mg Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Classifications
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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
Abstract
The present invention discloses a diesel engine which comprises an air inlet manifold and an air cleaner and is characterized in that the front end of the air inlet manifold is provided with a vortex control device, the inlet end of the vortex control device is connected with the air cleaner by an intercooler and a supercharger or is directly connected with the air cleaner, and the outlet end of the vortex control device is connected with the inlet part of the air inlet manifold. Because the front end of the air inlet manifold is added with the vortex control device, the present invention can appropriately control gas incoming from the air cleaner, and the air and an oil beam can be fully mixed by controlling a vortex so as to make combustion sufficient and reduce harmful gas emission, and moreover, the emitting requirement is enhanced. Simultaneously, oil contents entering a cylinder can be controlled in a certain degree by controlling air input so as to reduce fuel oil loss. Therefore, under different rotary speeds and loads, the emitting requirement and the fuel oil economy of the engine can be improved by controlling gas vortex formation.
Description
Technical field
The present invention relates to a kind of diesel engine, more specifically to a kind of diesel engine that can realize eddy current control to air inlet.
Background technique
For diesel engine, not as petrol engine, the gettering quantity that output is adjusted has certain requirement for restriction.Present diesel engine, basically the vortex flow control device of air inlet necessarily not being controlled, the gas or the process pressurized machine of coming from air-strainer arrive intake manifold at last through intercooler again, perhaps there are not pressurized machine and intercooler directly to enter intake manifold, from the gas of EGR (exhaust gas recirculation) valve.It is to utilize vacuum that exhaust is sucked gas handling system that common EGR gas enters gas handling system, but the technology that each company adopts is had nothing in common with each other.For example: it is to utilize following method that the EGR circuit of certain motor forms, and the gas exhaust manifold of this motor is integrated on the cylinder cap, and gas exhaust manifold communicates with gas-entered passageway on the cylinder cap.When engine operation, in the breathing process of motor, can form certain vacuum in the to-and-fro motion of piston.Just can suck exhaust gas-entered passageway and form the EGR loop this moment.In the gas handling system of above-mentioned existing structure, the gas of coming in from air-strainer is not had suitable control, from rather than the air that makes into effectively form eddy current.
Summary of the invention
Technical problem to be solved by this invention provides a kind of diesel engine that can realize eddy current control to diesel engine intake.
The present invention includes intake manifold, air-strainer, it is characterized in that: the front end in intake manifold is provided with a vortex flow control device, the entry end of vortex flow control device by intercooler, pressurized machine links to each other with air-strainer or directly link to each other with air-strainer, the outlet end of vortex flow control device is connected with the ingress of intake manifold.
Above-mentioned vortex flow control device comprises swirl channel, the eddy current control unit, swirl channel is divided into main body and two components, be that high-speed eddy forms passage, the low speed eddy current forms passage, the entry end of main body connects intercooler or directly links to each other with air-strainer, this component outlet end links to each other with intake manifold, the other end is connected with the outlet end of main body, the eddy current control unit comprises valve body, actuator, center control machine structure (ECU electronic control unit), center control machine structure SC sigmal control connects actuator, actuator's transmission control connection valve body, valve body are arranged on the low speed eddy current and form in the passage.By two dividing potential drop chambeies are set, and on a chamber, a butterfly valve apparatus is set, helps controlling the intake swirl of motor, improve the fuel economy of motor.Above-mentioned high-speed eddy forms passage and is divided into internal channel and external chennel, internal channel is little by little to reduce (formation Venturi tube) from aforementioned body part terminal bending 80 degree and to outlet end, constant and big than main body of the sectional area of external chennel, but do not communicate, a hole with EGR (being exhaust gas recirculation) pipeline connection is arranged on the sidewall of external chennel with main body.Bending is the needs according to structural configuration, is exactly to form negative pressure in the place eventually in Venturi tube, and the gas of being convenient to the EGR valve enters external chennel, enters intake manifold after the gas that Venturi tube locates to come with internal channel eventually mixes.When the butterfly valve of another swirl channel was closed, formed gas can allow motor be in the state work down of the slow-speed of revolution and low load.
Above-mentioned actuator is an electronic control valve.
Above-mentioned actuator is a vacuum actor.
Above-mentioned valve body is a butterfly valve.
Above-mentioned low speed eddy current forms on the sidewall of passage pair of projections, and boss is provided with the hole of the rotatingshaft that is used to install butterfly valve.Like this can be so that install and fix butterfly valve.
Also be provided with position transducer on the above-mentioned boss, position sensor signal connects the center control machine structure.Can make the center control machine structure by sensor signal is compared judgement like this, and then send the folding of SC sigmal control butterfly valve.
Be provided with a bolt hole that is used for the installing and locating bolt from the direction perpendicular to rotatingshaft on the above-mentioned boss, above-mentioned rotatingshaft is provided with a corresponding with it positioning hole that is communicated with, and holding down bolt is fixed in bolt hole and the positioning hole.By such formation, can guarantee the balance that butterfly valve rotates, can also guarantee that axle is not slided when rotating.
The present invention can carry out suitable control to the gas of coming in from air-strainer, by controlled vortex flow owing to the front end in intake manifold increases by a vortex flow control device, empty G﹠O bundle fully can be mixed, thereby make sufficient combustion, reduce the noxious gas emission thing, improved emission request.Simultaneously,, can control the oil mass that enters cylinder to a certain extent, thereby reduce fuel loss by the control air inflow.Thereby allow motor eddy current by control gaseous under different rotating speeds and load form emission request and the fuel economy of realizing improving motor.
Description of drawings
Fig. 1～Fig. 5 is the 1st an embodiment's of the present invention accompanying drawing.
Fig. 1 is the plan view of vortex flow control device
Fig. 2 is the plan view of swirl channel
Fig. 3 be Fig. 2 along A-A line sectional view
Fig. 4 is the side view of swirl channel
Fig. 5 is the sectional view of swirl channel along the B-B line
Fig. 6 is the plan view of corresponding diagram 1 in the 2nd embodiment.
Among the figure: 01, swirl channel, 011, main body, 012, high-speed eddy forms passage, 012-1, external chennel, the 012-2 internal channel, 013, the low speed eddy current forms passage, 02, rotatingshaft, 21, boss, 22, boss, 23, the rotatingshaft mounting hole, 24, the rotatingshaft mounting hole, 03, butterfly valve, 04, the bolt of butterfly valve is installed, 05, support, 06, the bolt of mounting bracket, 07, vacuum actor, 08, the bolt of vacuum actor is installed, 09, position transducer, 10, the bolt of sensor installation, 11 holding down bolts, 12, swing arm.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Embodiment
With reference to Fig. 1～Fig. 5 the 1st embodiment of the present invention is described, at first in conjunction with Fig. 1 and Fig. 2, diesel engine among the embodiment comprises intake manifold, air-strainer, front end in intake manifold is provided with a vortex flow control device, the entry end of vortex flow control device by intercooler, pressurized machine links to each other with air-strainer or directly link to each other with air-strainer, the outlet end of vortex flow control device is connected with the ingress of intake manifold.
The vortex flow control device that links to each other with engine intake manifold, have swirl channel 01, eddy current control unit, swirl channel 01 is made by the AlSi10Mg material, be divided into main body 011 and two components 012,013, be that high-speed eddy forms passage, the low speed eddy current forms passage, the entry end of this main body 011 connects the intercooler (not shown) or directly is connected with the air-strainer (not shown), the outlet end of this component 012,013, link to each other, the other end of the other end and main body, be connected with the intake manifold (not shown).The eddy current control unit comprises that butterfly valve 03, actuator are vacuum actor 07, center control machine structure ECU, center control machine structure SC sigmal control connects vacuum actor 07, vacuum actor 07 transmission control connection valve body, butterfly valve 03 are provided with the low speed eddy current and form in the passage 013.
High-speed eddy forms passage 012 and has external chennel 012-1 and internal channel 012-2, the cross section structure of its internal channel is little by little to reduce from aforementioned body part 011 terminal bending 80 degree and to outlet end, the sectional area of external chennel is constant and compare person in charge's partial cross section more greatly, but do not communicate with main body, from the gas flow direction, the passage that parallels with high-speed eddy formation passage 012 is that the low speed eddy current forms passage 013, and the sectional area that this low speed eddy current forms passage 013 is constant.For the needs of structural configuration, the low speed eddy current forms passage also can do corresponding bending, can save the space like this, makes compact.
Form in aforesaid high-speed eddy on the certain position of outer side wall 012-11 of external chennel 012-1 of passage and have a boss 012-12, has a hole 012-13 who is connecting EGR pipeline (not shown) in this boss 012-12, by above-mentioned hole 0123, and after mixing, the gas that enters from main body 011 enters the intake manifold (not shown) from the gas of EGR pipeline (not shown).
The cross section of this low speed eddy current formation passage 013 dwindles gradually from the cross section of main body.Its cross section is connected with aforementioned body part 011, receive the most of gas in the aforementioned body part 011, form at above-mentioned low speed eddy current on the sidewall 0131 of passage 013, see along the direction that two branches arrange, have pair of projections 21,22 on this sidewall 0131, have a pair of holes 23,24 that rotatingshaft 02 is installed on this boss 21,22.
On above-mentioned axle 02, a butterfly valve 03 is installed, the sectional area of the sectional area of this butterfly valve 03 and above-mentioned low speed eddy current formation passage 013 is onesize, this butterfly valve 03 and above-mentioned axle 02 all are to be made by the material of X5CrNi18, this material can guarantee the intensity of part, is configured in the low speed eddy current then and forms on the certain position of passage 013.
In Fig. 1 and Fig. 2 as can be seen, valve body comprises the bolt 06 of rotatingshaft 02, butterfly valve 03, the bolt 04 that butterfly valve is installed, support 05, mounting bracket, and actuator comprises bolt 10, holding down bolt 11 and the swing arm 12 of vacuum actor 07, the bolt 08 that vacuum actor is installed, position transducer 09, sensor installation.Rotatingshaft 02, butterfly valve 03 and the bolt 04 that butterfly valve is installed are configured in a branch inside of swirl channel 01, and other the both sides that are configured in swirl channel 01 also are connected with its internal partial.
Axle of installing in above-mentioned hole 21,22 02 and being connected of butterfly valve 03 are by this butterfly valve 03 is passed and fastening with two bolts 06 from these axle 02 central authorities, 02 is provided with a positioning hole on the above-mentioned rotatingshaft, on an above-mentioned boss 22, from direction perpendicular to rotatingshaft 02, have one and a bolt hole 23 with the corresponding connection of positioning hole on it is arranged, in this bolt hole 23, be screwed into a quite holding down bolt of size from direction perpendicular to rotatingshaft 02.
Position transducer 9 is installed in the low speed eddy current and forms one of them boss 22 of passage, and on another boss 21, the connection by swing arm 12 is connected by vacuum actor 07.
The following describes the 1st embodiment's effect, vortex flow control device is made up of a swirl channel 01 and eddy current control unit, the eddy current control unit is made up of the butterfly valve apparatus 02～12 of a cover controlled vortex flow and is formed, this eddy current control is by coupling shaft 02, butterfly valve 03, a plurality of bolt 04,06,10,11, swing arm 12, and vacuum actor 07 and position transducer 09 are formed.This swirl channel 01 has main body 011 and two components 012,013, one component 012 links to each other with the terminal of main body 011, in this branch, have two passage 012-1,012-2, the cross section that high-speed eddy forms passage 012-2 is from main body dwindling gradually, on the sidewall 0122 of this branch 012, has a hole 0123, by this hole 0123, acceptance is from the gas of EGR valve, cross section 012-2 is reducing gradually in being provided with, purpose is to allow the end formation vacuum that forms passage 012 in this high-speed eddy, help entering from the gas of EGR valve, improve the emission request of motor, and the fresh air that will come in and mix and form high-speed eddy from the gas of EGR valve.
A branch 013 in addition accepts most of gas of main body 011, this air flue forms passage for the low speed eddy current, its sectional area size is constant, by two boss 21,22 being set at its sidewall 0131, and two holes 23,24 are set on boss 21,22, one rotatingshaft 02 is installed, control the rotation of butterfly valve 03 by this rotation of 02, can satisfy the working condition of motor under different operating modes like this, when motor at low speed, under the effect of low-load, butterfly valve apparatus is closed air flue 013, air inlet forms high-speed eddy in the high-speed eddy chamber; When motor at a high speed, under the effect of high capacity, butterfly valve apparatus is opened the low speed eddy current forms passage 013, and this passage 013 in formation low speed eddy current.
Control to the butterfly valve in this vortex flow control device, in embodiment 1, what adopt is vacuum actor 07 device, this device has vacuum actor 07, clamping bolt 08, support 05 and swing arm 12 and position transducer 09, when the rotation of axle 02, use the slip of bolt 11 Control Shafts, by ECU the unlatching of butterfly valve is controlled in the output of signal at last, the mode of its control is a closed-loop system.
Among the 2nd embodiment, to the control of butterfly valve 03 time, adopt electronic control valve 07 control, miscellaneous part in this device is the same with the correlated parts among the embodiment 1, but do not need position transducer 09, by ECU the unlatching of butterfly valve 03 is controlled in the output of signal at last, the mode of its control is an open system.
Embodiments of the invention more than have been described, the present invention is not limited to the foregoing description, can carry out various design alterations on the basis of the present invention that the scope that does not break away from claim is put down in writing.
Claims (8)
1. diesel engine, comprise intake manifold, air-strainer, front end in intake manifold is provided with a vortex flow control device, the entry end of vortex flow control device passes through intercooler, pressurized machine links to each other with air-strainer or directly links to each other with air-strainer, the outlet end of vortex flow control device is connected with the ingress of intake manifold, vortex flow control device comprises swirl channel, the eddy current control unit, swirl channel is divided into main body and two components, be that high-speed eddy forms passage, the low speed eddy current forms passage, the entry end of main body connects intercooler or directly links to each other with air-strainer, two component outlet end link to each other with intake manifold, the other end is connected with the outlet end of main body, the eddy current control unit comprises valve body, actuator, the center control machine structure, center control machine structure SC sigmal control connects actuator, actuator's transmission control connection valve body, valve body is arranged on the low speed eddy current and forms in the passage, it is characterized in that: above-mentioned high-speed eddy forms passage and is divided into internal channel and external chennel, internal channel is little by little to reduce from aforementioned body part terminal bending 80 degree and to outlet end, constant and big than main body of the sectional area of external chennel, but do not communicate, a hole with the EGR pipeline connection is arranged on the sidewall of external chennel with main body.
2. diesel engine according to claim 1 is characterized in that: above-mentioned actuator is an electronic control valve.
3. diesel engine according to claim 1 is characterized in that: above-mentioned actuator is a vacuum actor.
4. diesel engine according to claim 1 is characterized in that: above-mentioned valve body is a butterfly valve.
5. diesel engine according to claim 3 is characterized in that: above-mentioned valve body is a butterfly valve.
6. diesel engine according to claim 5 is characterized in that: above-mentioned low speed eddy current forms on the sidewall of passage pair of projections, and boss is provided with the hole of the rotatingshaft that is used to install butterfly valve.
7. diesel engine according to claim 6 is characterized in that: also be provided with position transducer on the above-mentioned boss, position sensor signal connects the center control machine structure.
8. diesel engine according to claim 6, it is characterized in that: be provided with a bolt hole that is used for the installing and locating bolt from direction on the above-mentioned boss perpendicular to rotatingshaft, above-mentioned rotatingshaft is provided with a corresponding with it positioning hole that is communicated with, and holding down bolt is fixed in bolt hole and the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100661119A CN100412331C (en) | 2004-12-06 | 2004-12-06 | Diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100661119A CN100412331C (en) | 2004-12-06 | 2004-12-06 | Diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1786436A CN1786436A (en) | 2006-06-14 |
| CN100412331C true CN100412331C (en) | 2008-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100661119A Expired - Fee Related CN100412331C (en) | 2004-12-06 | 2004-12-06 | Diesel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN100412331C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357136B (en) * | 2013-07-26 | 2016-08-10 | 徐州重型机械有限公司 | fire-fighting operation control device and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6196128A (en) * | 1984-10-15 | 1986-05-14 | Nippon Denso Co Ltd | Method of controlling intake of diesel engine with supercharger provided with intercooler |
| WO1986005239A1 (en) * | 1985-03-05 | 1986-09-12 | John Emery Lindberg | Engine combustion control system and method employing condensation of some exhaust gas |
| JPS62197635A (en) * | 1986-02-25 | 1987-09-01 | Hino Motors Ltd | Intake system of engine |
| CN1026347C (en) * | 1992-05-20 | 1994-10-26 | 天津大学 | Variable vortex air intake controlling system for diesel engine |
| JP2000064845A (en) * | 1998-08-21 | 2000-02-29 | Daihatsu Motor Co Ltd | Noise preventing device for supercharged air in engine |
| CN2480563Y (en) * | 2001-05-25 | 2002-03-06 | 南京辉虎环保科技有限公司 | Inlet throttle valve for double-fuel engine |
| EP1426589A2 (en) * | 2002-11-20 | 2004-06-09 | Denso Corporation | Exhaust gas recirculation control device |
-
2004
- 2004-12-06 CN CNB2004100661119A patent/CN100412331C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6196128A (en) * | 1984-10-15 | 1986-05-14 | Nippon Denso Co Ltd | Method of controlling intake of diesel engine with supercharger provided with intercooler |
| WO1986005239A1 (en) * | 1985-03-05 | 1986-09-12 | John Emery Lindberg | Engine combustion control system and method employing condensation of some exhaust gas |
| JPS62197635A (en) * | 1986-02-25 | 1987-09-01 | Hino Motors Ltd | Intake system of engine |
| CN1026347C (en) * | 1992-05-20 | 1994-10-26 | 天津大学 | Variable vortex air intake controlling system for diesel engine |
| JP2000064845A (en) * | 1998-08-21 | 2000-02-29 | Daihatsu Motor Co Ltd | Noise preventing device for supercharged air in engine |
| CN2480563Y (en) * | 2001-05-25 | 2002-03-06 | 南京辉虎环保科技有限公司 | Inlet throttle valve for double-fuel engine |
| EP1426589A2 (en) * | 2002-11-20 | 2004-06-09 | Denso Corporation | Exhaust gas recirculation control device |
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| Publication number | Publication date |
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| CN1786436A (en) | 2006-06-14 |
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