CN206071767U - Engine air admittance device - Google Patents
Engine air admittance device Download PDFInfo
- Publication number
- CN206071767U CN206071767U CN201620822870.1U CN201620822870U CN206071767U CN 206071767 U CN206071767 U CN 206071767U CN 201620822870 U CN201620822870 U CN 201620822870U CN 206071767 U CN206071767 U CN 206071767U
- Authority
- CN
- China
- Prior art keywords
- valve block
- choke valve
- engine air
- admittance device
- group
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
This utility model provides a kind of engine air admittance device, and for solving cylinder head recycling property in prior art, strong and air shuttle valve piece does not have gasoline adhesional wetting problem.Engine air admittance device is mounted on a cylinder head with an air intake duct, including an inlet manifold and a throttle valve body.Inlet manifold supplies the through hole of an atomizer oil spout, group to be provided with a choke valve block, downstream connection air intake duct, upstream side connection throttle valve body with a upstream side, a downstream and one.Wherein, the group of choke valve block sets and is closely located to upstream side, and the group of through hole sets and is closely located to downstream so that choke valve block is compared with through hole upstream relative.Thereby, by the set location of change choke valve block, in addition to it can avoid choke valve block and the problem of gasoline adhesional wetting occur, can more allow engine air admittance device to be applied to many money Structure of cylinder head, effectively lift its suitability, mental and physical efforts need not be expended and invested and developed again.
Description
Technical field
This utility model is with regard to a kind of engine air admittance device, espespecially a kind of engine air admittance device suitable for locomotive.
Background technology
As environmental consciousness comes back with the influence of limited resources, the blowdown of engine and consumption indicator are by strict pollution method
Rule are limited.The locomotives of the two swing engines of wheel be day former world product volume it is maximum, but such as TaiWan, China patent announcement number the
Traditional type engine design in No. I245842 shown in Fig. 1, although engine performance can be lifted using the effect of inertia, but in gas
When stream is into combustor, vortex can not be effectively produced so that engine is limited in the consumption improvement effect of low aperture, in other words,
Save the effect on driving birds is not good of the energy.
Therefore, in order to effectively produce vortex, improve the combustion process of engine and improve engine combustion efficiency, develop one kind
Engine air admittance device with choke valve block, refers to Fig. 5 to Fig. 7, its be respectively existing engine air inlet way structure exploded view,
The schematic diagram of schematic diagram of existing choke valve block when first position and existing choke valve block when the second position.Such as Fig. 5 institutes
Show, engine air inlet way structure is mounted on the cylinder head 911 of one or four valve engines, inside this cylinder head 911 have an air intake duct 912 with
And a combustor 915, in air intake duct 912, bifurcated is formed with two air inlet pipe, and one is main air inlet pipe 913, and one is time air inlet pipe 914.
This two air inlet pipe is respectively communicated to combustor 915.A choke valve block 916 is pivoted with the air intake duct 912 of cylinder head 911, which can
It is pivoted on a first position (Fig. 6) and a second position (Fig. 7).Thereby, charge air flow structure is adjusted by choke valve block 916,
Lean burn can be promoted, and is maintained most more than a predetermined engine speed in predetermined engine speed intake swirl formed below
Big air inlet sectional area, promotes intake efficiency, uses the stability of lifting idling in different situations and improves oil consumption performance.
However, above-mentioned existing design still suffers from its own shortcomings, (1) is led to atomizer as choke valve block is arranged at combustor
Between road, the structure design of cylinder head is have impact on, the cylinder head will be caused to continue to employ original machine, need to be invested and developed again.(2)
As choke valve block is located at the downstream of atomizer, air shuttle valve piece will be caused to have gasoline adhesional wetting problem.
Utility model content
This utility model provides a kind of engine air admittance device, not strong for solving cylinder head recycling property in prior art
And air shuttle valve piece has gasoline adhesional wetting problem.By the set location for adjusting choke valve block, the choke valve block can be avoided from vapour occur
Oil adhesional wetting problem, and then lifted engine idle stability, additionally, engine air admittance device of the present utility model be applicable to it is many
Money Structure of cylinder head, the modularized design for being used are not as the configuration that prior art influences whether cylinder head, therefore effectively can carry
Its suitability is risen, mental and physical efforts need not be expended and invested and developed again.
Engine air admittance device of the present utility model be mounted on one have an air intake duct cylinder head, including an inlet manifold and
One throttle valve body.Inlet manifold supplies the through hole of an atomizer oil spout, group to be provided with a choke with a upstream side, a downstream and one
Valve block, downstream connection air intake duct.Throttle valve body group is provided with an at least throttle valve plate, throttle valve body connection upstream side.Wherein, hinder
The group of air valve plate sets and is closely located to upstream side, and the group of through hole sets and is closely located to downstream so that choke valve block is gone up relatively compared with through hole
Trip.The choke valve block used by the design, this utility model engine air admittance device, except adjustable charge air flow knot
Structure, outside increasing engine combustion efficiency, by the relativeness for changing choke valve block and atomizer, can more avoid choke valve block from going out
The problem of existing gasoline adhesional wetting, extends service life.
The choke valve block can also include an at least pore.Thereby, by the design of pore or passage, local can be allowed highly concentrated
The oil gas of degree passes through, and further strengthens venturi effect, improves oil consumption performance of the engine in low aperture.
The pore is circular pore.
The choke area of the choke valve block is equal to the caliber sectional area of the inlet manifold.
The choke area of the choke valve block is equal to half caliber sectional area of the inlet manifold.
It is outlined above that to be all exemplary in nature be to further illustrate Shen of the present utility model with ensuing detailed description
Please the scope of the claims.And about other purposes of the present utility model and advantage, will be illustrated by follow-up explanation and diagram.
Description of the drawings
The top view of the cylinder head and engine air admittance device of one preferred embodiment of Fig. 1 systems this utility model.
The A-A sectional views of the cylinder head and engine air admittance device of one preferred embodiment of Fig. 2 systems this utility model.
The side view of the choke valve block of the engine air admittance device of one preferred embodiment of Fig. 3 A systems this utility model.
The side view of another choke valve block of the engine air admittance device of one preferred embodiment of Fig. 3 B systems this utility model.
Fig. 4 systems use the comparison diagram of the locomotive oil consumption correspondence speed of this utility model and existing engine air admittance device.
The exploded view of the existing engine air inlet way structure of Fig. 5 systems.
Schematic diagram of the existing choke valve block of Fig. 6 systems when first position.
Schematic diagram of the existing choke valve block of Fig. 7 systems when the second position.
【Symbol description】
1 engine air admittance device, 11 cylinder head
12 air intake duct, 2 inlet manifold
21 upstream side, 22 downstream
23 through hole, 3 throttle valve body
31 throttle valve plate, 4 choke valve block
40 choke valve block, 401 pore
911 cylinder head, 912 air intake duct
913 air inlet pipe of main air inlet pipe 914 times
915 combustor, 916 choke valve block
Specific embodiment
This utility model is understood and is realized for the ease of persons skilled in the art, describes this practicality in conjunction with accompanying drawing new
The embodiment of type.
Fig. 1 and Fig. 2 is referred to, which is respectively the cylinder head and engine air admittance device of one preferred embodiment of this utility model
Top view and A-A sectional views.Show an engine air admittance device 1 being connected with the air intake duct 12 of cylinder head 11, the engine in figure
Air intake installation 1 includes an inlet manifold 2 and throttle valve body 3, and there is inlet manifold 2 upstream side 21, a downstream 22 and to supply
The through hole 23 of one atomizer oil spout, the connection of upstream side 21 throttle valve body 3, the connection of downstream 22 air intake duct 12.In the present embodiment,
Throttle valve body 3 has a throttle valve plate 31, to the suitable air inflow for adjusting engine idle.Additionally, rotate by one arranging
In the choke valve block 4 of inlet manifold 2 so that the scope of this utility model selecting type ground adjustment masking air intake duct 12, in difference
Engine throttle aperture under, can produce or not produce vortex gas flow, the oil gas changed under different situations mixes effect.
Then, Fig. 3 A and 3B can be referred in the lump, which is respectively the engine air admittance device of one preferred embodiment of this utility model
Choke valve block side view and the side view of another choke valve block.In the present embodiment, as shown in Fig. 2 and Fig. 3 A, air shuttle valve
4 selecting type of piece ground shaded portions air intake duct 12 makes overall air intake duct 12 unimpeded, or, if air intake duct 12 is two air intake ducts
During separate style, choke valve block 4 can make the one standard-sized sheet or fully closed of air intake duct in response to different demands.Additionally, as shown in Figure 3 B,
Engine air admittance device of the present utility model can also use the choke valve block 40 for offering a pore 401, the resistance of the choke valve block 40
Gas area coordinates the caliber sectional area of inlet manifold 2, and offers to produce a pore 401 of vortex, can also be plural gas
Hole, uses the oil consumption performance for improving engine throttle in the case of low aperture.
Furthermore, characteristic of the present utility model is：The group of choke valve block 4 sets the upstream side 21 for being closely located to inlet manifold 2,
The group of through hole 23 sets the downstream 22 for being closely located to inlet manifold 2 so that choke valve block 4 is compared with 23 upstream relative of through hole.By institute
State design, the group of choke valve block 4 sets combustor and while the spray of atomizer away from aligned through holes 23 that position will be far from engine
Oil place, therefore choke valve block 4 is the problems such as will not produce gasoline again and bedew, prolongation service life.
Further, since choke valve block of the present utility model 4 is mounted in inlet manifold 2 and is close to the upstream of inlet manifold 2
Side 21, compared to traditional design only inlet manifold 2 using new design.Therefore, when engine air admittance device 1 is developed, can't be straight
The each construction package for having influence on cylinder head 11 is connect, therefore the cylinder head of original machine can be continued to use, be not necessary to develop again and investment making,
And with different demands, it is only necessary to meet demand by replacing suitable choke valve block.
Finally, Fig. 4 is referred to, using the ratio of the locomotive oil consumption correspondence speed of this utility model and existing engine air admittance device
Relatively scheme.The Jing constant speed test oil consumption performance under various speeds, as illustrated, vertical coordinate represents locomotive oil consumption (km/L), abscissa
Locomotive speed (kph) is represented, after speed is more than 20kph, oil consumption of the present utility model is showed, and averagely
Fuel economy is improved and there are about 9.3% so that the utilization rate of the fuel oil energy is substantially improved, and blowdown flow rate is also relative to reduce many.
Although depicting this utility model by embodiment, it will be appreciated by the skilled addressee that without departing from this reality
In the case of with new spirit and essence, so that it may make this utility model have many deformations and change, scope of the present utility model
It is limited to the appended claims.
Claims (5)
1. a kind of engine air admittance device, is mounted on a cylinder head with an air intake duct, including：
One inlet manifold, supplies the through hole of an atomizer oil spout, group to be provided with an air shuttle valve with a upstream side, a downstream and one
Piece, the downstream connect the air intake duct；And
One throttle valve body, group are provided with an at least throttle valve plate, and the throttle valve body connects the upstream side；
It is characterized in that：The group of the choke valve block sets and is closely located to the upstream side, and the group of the through hole sets and is closely located to the downstream,
So that the choke valve block is compared with the through hole upstream relative.
2. engine air admittance device as claimed in claim 1, it is characterised in that the choke valve block also includes an at least pore.
3. engine air admittance device as claimed in claim 2, it is characterised in that the pore is circular pore.
4. engine air admittance device as claimed in claim 1, it is characterised in that the choke area of the choke valve block is equal to this and enters
The caliber sectional area of gas manifold.
5. engine air admittance device as claimed in claim 1, it is characterised in that the choke area of the choke valve block is equal to this and enters
Half caliber sectional area of gas manifold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822870.1U CN206071767U (en) | 2016-08-01 | 2016-08-01 | Engine air admittance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620822870.1U CN206071767U (en) | 2016-08-01 | 2016-08-01 | Engine air admittance device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071767U true CN206071767U (en) | 2017-04-05 |
Family
ID=58425269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620822870.1U Active CN206071767U (en) | 2016-08-01 | 2016-08-01 | Engine air admittance device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071767U (en) |
-
2016
- 2016-08-01 CN CN201620822870.1U patent/CN206071767U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1182353A (en) | Duplex carburetor and intake system for internal combustion engines | |
| CN108869006A (en) | Small-displacement gasoline engine combustion system | |
| CN101260844A (en) | Petrol engine intake duct | |
| CN204163896U (en) | A kind of natural gas engine gas handling system | |
| CN103696868B (en) | There is high-eddy and the engine cylinder head system that rolls stream ratio | |
| CN107201957A (en) | Methanol diesel-oil mixes combustion system and the commercial car | |
| CN206071767U (en) | Engine air admittance device | |
| CN202811106U (en) | Air inlet mechanism of diesel motor | |
| CN209195569U (en) | A kind of arragement construction, engine and the automobile of air intake duct and fuel injector | |
| CN203856596U (en) | High tumble admission passage of direct injection gasoline engine | |
| CN201810431U (en) | Diesel engine intake duct | |
| CN201568152U (en) | Air-passage structure of gasoline direct injection engine | |
| CN201934229U (en) | Double-tangential air inlet passage of four-valve cylinder diesel engine | |
| CN205172722U (en) | But novel variable cross section of a section and roll a class air intake system | |
| CN205423002U (en) | Novel car air supply device | |
| CN107100756A (en) | A kind of piston for directly jetting gasoline engine channel-style combustion chamber | |
| CN206860304U (en) | A kind of piston for directly jetting gasoline engine channel-style combustion chamber | |
| CN203547912U (en) | Electronically controlled multi-point injection natural gas engine | |
| CN203130317U (en) | Engine provided with common oil and gas nozzle | |
| CN201810430U (en) | Swirl ratio variable diesel air inlet system | |
| CN202348463U (en) | Air inlet passage and cylinder cover combustion chamber of turbocharged direct injection gasoline engine | |
| CN207393347U (en) | A kind of engine EGR system applied to natural aspiration gasoline engine | |
| CN203335278U (en) | Energy-saving and environment-friendly gasoline engine | |
| CN203050938U (en) | Diesel engine air inlet connection pipe | |
| CN202300634U (en) | Fuel-saving device of automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |