CN108343515A - Temperature control throttle valve device - Google Patents
Temperature control throttle valve device Download PDFInfo
- Publication number
- CN108343515A CN108343515A CN201810208318.7A CN201810208318A CN108343515A CN 108343515 A CN108343515 A CN 108343515A CN 201810208318 A CN201810208318 A CN 201810208318A CN 108343515 A CN108343515 A CN 108343515A
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- Prior art keywords
- air
- pipeline
- throttle
- air throttle
- valve body
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/10—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot liquids, e.g. lubricants or cooling water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
- F02M35/10255—Arrangements of valves; Multi-way valves
Abstract
A kind of temperature control throttle valve device is disclosed.The temperature control throttle valve device includes：At least one air throttle；First pipeline and the second pipeline, wherein, first pipeline and second pipeline are parallel-connected to the homonymy of the air-flow direction of at least one air throttle, wherein, second pipeline is provided with heat exchanger, and the heat exchanger heats the air for flowing through second pipeline using engine coolant, engine motor oil or engine exhaust as heat source.
Description
Technical field
The present invention relates to the air inlet control fields of engine, can be to engine inlet temperature more specifically to one kind
Spend the temperature control throttle valve device controlled.
Background technology
In general, spark-ignition engine (including at least spark ignition type petrol engine and Ignition Natural Gas Engine) makes
With throttle control air input of engine by air, to control engine load.
Fig. 1 is the schematic diagram for showing existing spark-ignition engine air throttle and air inlet pipeline.As shown in Figure 1, starting
Machine air inlet enters from air cleaner 100, and air throttle 103 is connected to by pipeline 101, enters solar term from throttle inlet 102
Door 103.According to the burden requirement of engine, throttle valve body 104 rotates, and enters engine by air throttle 103 to adjust
Air mass flow.Air inlet is connect by throttle outlet 105 with the air inlet pipeline 106 of solar term passage downstream, into engine 107,
Work by combustion.Gas after burning is by gas exhaust piping 108, via ternary catalyzing unit (or other catalyst converters) 109, muffler
110 discharges.
It will be seen from figure 1 that existing air throttle implementation can control the air inflow of engine, but different
Under air inflow, the heat transfer boundary condition of air inlet is fixed (normally close to environment temperature).Therefore, in the case of low temperature Smaller load,
Fuel economy and engine emission are all unable to get effective guarantee.
Invention content
In terms of spark-ignition engine operation principle, in Smaller load, the pinking tendency of engine is extremely slight, therefore, fits
It will not cause pinking when improving Engine Inlet Temperature, can but reduce pumping loss, improve oil gas premixing, accelerated combustion speed
Degree.And in big load, intake air temperature should be relatively low, to inhibit pinking, ensures that burning is normal.
Therefore, how reliable and control engine at low cost in different load an aspect of of the present present invention aims to solve the problem that
The problem of intake air temperature.
According to an aspect of the present invention, a kind of temperature control throttle valve device is provided, device includes：At least one air throttle；
First pipeline and the second pipeline, wherein first pipeline and second pipeline are parallel-connected at least one solar term
The homonymy of the air-flow direction of door, wherein second pipeline is provided with heat exchanger, and the heat exchanger is with engine cool
Liquid, engine motor oil or engine exhaust are that heat source heats the air for flowing through second pipeline.
At least one air throttle includes the first air throttle, wherein first pipeline and second pipeline are located at
The upstream of first air throttle, wherein first air throttle has the first entrance for being connected to first pipeline, connection
To second pipeline second entrance, be connected to the outlet of engine intake manifold.
At least one air throttle includes the first air throttle, wherein first pipeline and second pipeline are located at
The downstream of first air throttle, and it is all connected to engine intake manifold, wherein first air throttle enters with air inlet
Mouth, the first outlet for being connected to first pipeline, the second outlet for being connected to second pipeline.
The control device for changing flow resistance characteristic is provided in second pipeline.
At least one air throttle includes the first air throttle and the second air throttle, wherein first piping connection arrives
One in first air throttle and second air throttle, second piping connection to first air throttle and described
Another in second air throttle.
The valve body of the valve body of first air throttle and second air throttle has fixed movement relation, and described
The valve body of the valve body of first air throttle and second air throttle drives respectively by an actuator driven or by two actuators
It is dynamic.
When the heat exchanger heats the air for flowing through second pipeline as heat source using engine coolant, institute
It states heat exchanger to be arranged in engine cylinder body or be arranged in the water jacket of engine cylinder cover, or is arranged as independent heat exchanger
Except engine cylinder body；When the heat exchanger adds the air for flowing through second pipeline using engine motor oil as heat source
When hot, the heat exchanger is arranged in oil pan or is arranged in machine oil bypass line；When the heat exchanger is with engine
Exhaust is heat source when being heated to the air for flowing through second pipeline, the heat exchanger be arranged after primary catalyst or
It is arranged between pre- catalyst converter and primary catalyst.
The both ends of the valve body of first air throttle are respectively arranged with the first obstructive component and the second obstructive component, wherein
When the valve body is in horizontality, first obstructive component and second obstructive component and first air throttle
Two side walls constitute sealing relationship, and to prevent air by first air throttle, and first obstructive component also hinders
Fill in the second entrance, wherein as the valve body rotates, degree of congestion of first obstructive component to the second entrance
It is gradually reduced, and when the valve body rotates more than predetermined threshold angle, first obstructive component and second obstruction
Component and the sealing relationship of the two side walls of first air throttle release.
The valve body further includes：Optionally, from the center of the valve body along the direction for the valve body being in predetermined angular
Extended extended element and third obstructive component in the end of the extended element is set, wherein when the valve body rotates
At 90 degree, the third obstructive component blocks the second entrance.
First piping connection is to first air throttle, second piping connection to second air throttle,
In, when the valve body of second air throttle turns to 90 degree from horizontality, the valve body of first air throttle remains stationary as；
When the valve body of second air throttle is from when turning to 180 degree for 90 degree, the valve body of first air throttle is rotated from horizontality
To 90 degree.
Description of the drawings
By the description referring to the following drawings, those skilled in the art are better understood with structure of the present invention
Think, wherein unless otherwise stated, running through each attached drawing, identical reference label indicates identical component, wherein：
Fig. 1 is the schematic diagram for showing existing spark-ignition engine air throttle and air inlet pipeline；
Fig. 2 is the schematic diagram for showing temperature control throttle valve device according to an embodiment of the invention；
Fig. 3 is the schematic diagram for showing temperature control throttle valve device according to another embodiment of the present invention；
Fig. 4 is the schematic diagram for the working condition for showing temperature control throttle valve device according to an embodiment of the invention；
Fig. 5 is the schematic diagram for the working condition for showing temperature control throttle valve device according to another embodiment of the present invention；
Fig. 6 shows the exemplary signal of the change flow resistance characteristic of temperature control throttle valve device according to an embodiment of the invention
Figure.
Specific implementation mode
Hereinafter with reference to attached drawing, the present invention is more fully described, exemplary implementation the invention is shown in the accompanying drawings
Example.However, the present invention can be implemented in many different forms, and it should not be construed as limited to the reality proposed herein
Apply example.On the contrary, thesing embodiments are provided so that the disclosure will be thorough and complete, and the scope of the present invention is fully communicated
To those skilled in the art.
According to an embodiment of the invention, the engine of the temperature control throttle valve device of the present invention can be applied to include, but are not limited to：
The engine of natural inflow form, the engine with supercharger of turbocharging or other forms, spark-ignition engine, compression ignition engine
Deng
Fig. 2 is the schematic diagram for showing temperature control throttle valve device according to an embodiment of the invention.
With reference to Fig. 2, temperature control throttle valve device includes air throttle 203, the first pipeline 201 and the second pipeline 211, wherein the
One pipeline 201 and the second pipeline 211 are parallel-connected to the homonymy of the air-flow direction of air throttle 203.In fig. 2, the first pipe
Road 201 and the second pipeline 211 are located at the upstream of air throttle 203 in parallel.Second pipeline 211 is provided with heat exchanger 212.Heat exchanger
212 can carry out the air for flowing through the second pipeline 211 using engine coolant, engine motor oil or engine exhaust as heat source
Heating.It is connected to the first entrance 202 of the first pipeline 201 in addition, air throttle 203 has, is connected to the second of the second pipeline 211
Entrance 213, the outlet 205 for being connected to engine intake manifold 206.Optionally, may be provided in the second pipeline 211 for changing
The control device of flow resistance characteristic, will be described in detail later.
Here, when heat exchanger 212 heats the air for flowing through the second pipeline 211 using engine coolant as heat source
When, heat exchanger 212 may be provided in engine cylinder body or be arranged in the water jacket of engine cylinder cover, to save cost.However,
Heat exchanger 212 may also be arranged on except engine cylinder body, exist in the form of independent heat exchanger.When heat exchanger 212 is with engine
When machine oil is that heat source heats the air for flowing through the second pipeline 211, heat exchanger 212 may be provided in oil pan or set
It sets in machine oil bypass line.When heat exchanger 212 adds the air for flowing through the second pipeline 211 using engine exhaust as heat source
When hot, heat exchanger 212 may be provided at after primary catalyst or be arranged between pre- catalyst converter and primary catalyst.
At work, engine charge passes through air cleaner 200 first.Hereafter, air inlet is divided into two-way, passes through respectively
One pipeline (also known as conventional tube) 201 and the second pipeline (also known as heating pipeline) 211.In conventional tube 201, air inlet is not
It can specially be heated；And in heating pipeline 211, air inlet can be heated by heater 212.The air inlet of conventional tube 201
Enter air throttle 203 by the first entrance (also known as the first air inlet) 202 of air throttle 203, and heats the air inlet of pipeline 211
Enter air throttle 203 by the second entrance (also known as air inlet) 213 of air throttle.It is controlled by the position of throttle valve body 204
The air inlet of system, the room temperature air inlet entered from first entrance 202 and the heating entered from second entrance 213 is selectively from air throttle
Outlet 205 be discharged, then pass through the downstream pipe (for example, engine intake manifold 206) of air throttle 203 access engine
207, work by combustion.Gas after burning is by gas exhaust piping 208, via ternary catalyzing unit (or other catalyst converters) 209, noise reduction
Device 210 is discharged.In this way, the temperature control of engine charge can be realized.
Fig. 3 is the schematic diagram for showing temperature control throttle valve device according to another embodiment of the present invention.
With reference to Fig. 3, temperature control throttle valve device includes air throttle 303, the first pipeline 314 and the second pipeline 312, wherein the
One pipeline 305 and the second pipeline 312 are parallel-connected to the homonymy of the air-flow direction of air throttle 303.In figure 3, the first pipe
Road 314 and the second pipeline 312 are located at the downstream of air throttle 303 in parallel, and are all connected to engine intake manifold 306.The
Two pipelines 312 are provided with heat exchanger 313.Heat exchanger 313 can be with engine coolant, engine motor oil or engine exhaust
Heat source heats the air for flowing through the second pipeline 312.In addition, air throttle 303 has air inlet 302, is connected to first
The first outlet 305 of pipeline 314, the second outlet 311 for being connected to the second pipeline 312.
At work, engine charge enters from air cleaner 300, and air throttle is connected to by air inlet pipeline 301
303, enter air throttle 303 from air inlet 302.Pass through the rotation of throttle valve body 304 so that enter the gas of air throttle 303
Body enters the first pipeline 314 optionally through first outlet 305 or enters the second pipeline 312 by second outlet 306
(that is, heating pipeline), to realize the temperature control of air inlet.The air inlet of first pipeline 314 and the air inlet of the second pipeline 312 import
Inlet manifold's (for example, engine intake manifold 206), to access engine 307, work by combustion.Gas after burning passes through
Gas exhaust piping 308 is discharged via ternary catalyzing unit (or other catalyst converters) 309, muffler 310.
Fig. 4 is the schematic diagram for the working condition for showing temperature control throttle valve device according to an embodiment of the invention.
With reference to Fig. 4, air throttle 400 includes the first entrance 401 of connection conventional tube, the second entrance of connection heating pipeline
402 and outlet 403.In addition, the both ends of the valve body 404 of air throttle 400 are respectively arranged with the first obstructive component (also known as first
Valve body winglet) 405 and second obstructive component.Selectively, valve body 404 be also provided with it is optional, from the center of valve body along
In the direction of predetermined angular, (such as, but not limited to perpendicular to the direction of valve body), extended extended element and setting exist with valve body
The third obstructive component (also known as the second valve body winglet) 406 of the end of the extended element.
(a), (b), (c), (d) in Fig. 4 respectively illustrate the different load corresponding to engine, temperature control throttle valve device
Working condition.(a) in Fig. 4 shows that the working condition of engine idling subject throttle, (b) in Fig. 4 show that engine is small
The working condition of load subject throttle, (c) in Fig. 4 show the working condition of the big load subject throttle of engine, in Fig. 4
(d) working condition of full engine load subject throttle is shown.First, when the engine is not in operation, valve body 404 is in horizontal
State, the first obstructive component 405 and the second obstructive component and the two side walls of air throttle 400 constitute sealing relationship, to prevent sky
Gas passes through air throttle 400.Meanwhile first obstructive component 405 also block second entrance 402.Thereafter, when (a) institute in such as Fig. 4
Show, when engine enters idling mode, valve body 404 starts to rotate.As valve body 404 rotates, the first obstructive component 405 is to second
The degree of congestion of entrance 402 is gradually reduced, and the air inlet of heating begins through open second entrance 402 and enters air throttle 400, and
Enter engine intake manifold by outlet 403.At the same time, the first obstructive component 405 and the second obstructive component and air throttle
The sealing relationship that 400 two side walls are constituted is kept, in this way, the air inlet by first entrance 401 is still hindered by valve body 404
Gear.Shown in (b) in such as Fig. 4, when engine enters Smaller load state, valve body 404 is rotated further.As valve body 404 rotates,
First obstructive component 405 further declines the degree of congestion of second entrance 402, and the air inlet more and more heated passes through opening
The increasing second entrance 402 of degree enters air throttle 400.That is, the first obstructive component 405 can be used for control from
The throughput that heating pipeline is entered by second entrance 402.
On the other hand, when valve body 404 rotates more than predetermined threshold angle, the first obstructive component 405 and second blocks structure
Part and the sealing relationship of the two side walls of air throttle 400 release, and unheated air inlet can enter solar term by first entrance 401
Door 400, intake air temperature is begun to decline.Shown in (c) in such as Fig. 4, when engine enters big load condition, valve body 404 continues
Rotation.As valve body 404 rotates, more and more unheated air inlets enter air throttle 400 by first entrance 401.Especially
Ground, since first entrance 401 is much larger than second entrance 402, unheated air inlet is shared in the air inlet by outlet 403
Ratio it is increasing.As shown in (d) in Fig. 4, when engine enters full load state, valve body 404 rotates 90 degree, not
The air inlet milli of heating passes through outlet 403 without being blocked.At this point, the ratio that the air inlet of heating is shared in the air inlet by outlet 403
Rate can be ignored.On the other hand, in the case where being provided with third obstructive component 406, when valve body 404 rotates 90 degree,
Third obstructive component 406 can block second entrance 402, and the air inlet of heating will not enter air throttle 400 by second entrance 402,
To ensure that Engine Inlet Temperature is identical as Legacy Status at this time, additional pinking burden is not had.
Fig. 5 is the schematic diagram for the working condition for showing temperature control throttle valve device according to another embodiment of the present invention.
With reference to Fig. 5, temperature control throttle valve device may include the first air throttle and the second air throttle.First pipeline (conventional tube)
511 and second pipeline (heating pipeline) 512 be parallel-connected to the first air throttle and the second air throttle air-flow direction it is same
Side (upstream that the first air throttle and the second air throttle are shown as in Fig. 5), the second pipeline 512 are provided with heat exchanger (not shown).
The valve body 503 of first air throttle and the valve body 504 of the second air throttle can have fixed movement relation.That is, valve body 503
There can be specific machinery association relationship with valve body 504, so as to by an actuator driven.Selectively, 503 He of valve body
Valve body 504 can also be respectively driven by two actuators.This is specifically described referring to Fig. 5.
Similar to Fig. 4, (a), (b), (c), (d) in Fig. 5 respectively illustrate the different load corresponding to engine, temperature control
The working condition of throttle valve device.(a) in Fig. 5 shows that the working condition of engine idling subject throttle, (b) in Fig. 5 are shown
Go out the working condition of small engine load subject throttle, (c) in Fig. 5 shows the work shape of the big load subject throttle of engine
State, (d) in Fig. 5 show the working condition of full engine load subject throttle.Shown in (a) in such as Fig. 5, engine enters
When idling, valve body 504 rotates first, and valve body 503 remains stationary as.The air inlet of heating enters the second section by second entrance 502
Valve, and by the second air throttle engine inlet manifold 505, and unheated air cannot be by the by the blocking of valve body 503
One air throttle.Shown in (b) in such as Fig. 4, when engine enters Smaller load state, valve body 504 is rotated further until 90 degree, more
The air inlet for carrying out more heating passes through the second air throttle.Hereafter, as valve body 504 rotates more than 90 degree, valve body 503 starts to turn
It is dynamic.Shown in (c) in such as Fig. 4, when engine enters big load condition, as valve body 504 rotates more than 90 degree, valve body 503
Start to rotate, to which unheated air inlet enters the first air throttle by first entrance 503, and hair is entered by the first air throttle
Motivation inlet manifold 505, and the air inlet of heating less and less passes through the second air throttle.As shown in (d) in Fig. 5, hair
When motivation enters full load state, valve body 504 turns to 180 degree, blocks the second air throttle completely, to which the second air throttle closes
It closes, the air of heating no longer passes through the second air throttle by the blocking of valve body 504.Meanwhile the rotation of valve body 503 reaches 90 degree, first segment
Valve is opened completely, and unheated air inlet milli enters engine intake manifold 505 by the first air throttle without being blocked.In this way,
Ensure that completely will not be from heating pipeline air inlet in full engine load, and then ensures Engine Inlet Temperature and Legacy Status
It is identical, additional pinking burden is not had.By the way that two air throttles are arranged, the position relationship of two valve bodies obviously may be implemented most
The flexibility of big degree, to realize temperature controlled maximum flexibility.
Fig. 6 shows the exemplary signal of the change flow resistance characteristic of temperature control throttle valve device according to an embodiment of the invention
Figure.
The example for changing flow resistance characteristic shown in Fig. 6 is based on temperature control throttle valve device shown in Fig. 4.When in such as Fig. 6
(a) shown in from the directions AA from when, (b) in the second entrance (air inlet) 602 that is connected to of heating pipeline such as Fig. 6 is shown,
Wherein, the rectangle that heavy line is formed is second entrance 602.Since the valve body of this subject throttle forms partial occlusion, institute to air inlet
It can be with effective admission with a part of area of air inlet, that is, the white space not covered by shade shown in (b) in Fig. 6
Being can be with the region of effective admission, and shadow region is the region blocked by valve body (for example, second obstructive component on valve body).
605 one sliding block that can be horizontally slipped in heating pipeline of instruction.According to an embodiment of the invention, sliding block 605 can be by not
Rust steel or other wear-resistant materials are made, but not limited to this.It is slided by control slide block 605, even if as shown in (c) in Fig. 6,
The valve body of air throttle is in position identical with position shown in (a) in Fig. 6, is seen from the directions AA when (c) in such as Fig. 6 is shown
When examining, effective admission area shown in (d) in Fig. 6 also can be different from effective admission area shown in (b) in Fig. 6, to
Flow resistance suffered by gas into air throttle also can be different.In other words, by the way that sliding block is arranged in heating pipeline and controls
Sliding block slides, thus it is possible to vary heats the flow resistance characteristic of pipeline.
By applying temperature control throttle valve device according to an embodiment of the invention, the temperature control of engine may be implemented；
Inlet air heating can be provided in small engine load, reduce engine pumping work, improve air-fuel mixture, so as to improve oil consumption,
Reduce discharge；Meanwhile in full engine load, original intake air temperature can be kept, to ensure that full engine load is fired
It burns characteristic and performance is unaffected.Further, since temperature control is realized by directly controlling air, therefore temperature change is almost
Do not postpone, thermal inertia is not present, and reduce the complexity of control.
Although some embodiments have been shown and described, it will be appreciated by those skilled in the art that not departing from this
In the case of the principle of invention and spirit, can modify to these embodiments, the scope of the present invention by claim and its
Equivalent limits.
Claims (10)
1. a kind of temperature control throttle valve device, which is characterized in that the temperature control throttle valve device includes：
At least one air throttle；
First pipeline and the second pipeline,
Wherein, first pipeline and second pipeline are parallel-connected to the air-flow direction of at least one air throttle
Homonymy,
Wherein, second pipeline is provided with heat exchanger, and the heat exchanger is with engine coolant, engine motor oil or engine
Exhaust is that heat source heats the air for flowing through second pipeline.
2. temperature control throttle valve device as described in claim 1, which is characterized in that at least one air throttle includes first segment
Valve,
Wherein, first pipeline and second pipeline are located at the upstream of first air throttle,
Wherein, first air throttle, which has, is connected to the first entrance of first pipeline, is connected to second pipeline
Second entrance, the outlet for being connected to engine intake manifold.
3. temperature control throttle valve device as described in claim 1, which is characterized in that at least one air throttle includes first segment
Valve,
Wherein, first pipeline and second pipeline are located at the downstream of first air throttle, and are all connected to and start
Machine inlet manifold,
Wherein, first air throttle has air inlet, the first outlet that is connected to first pipeline, is connected to described the
The second outlet of two pipelines.
4. temperature control throttle valve device as described in claim 1, which is characterized in that be provided in second pipeline for changing
The control device of flow resistance characteristic.
5. temperature control throttle valve device as described in claim 1, which is characterized in that at least one air throttle includes first segment
Valve and the second air throttle,
Wherein, first piping connection is managed to one in first air throttle and second air throttle, described second
Road is connected to another in first air throttle and second air throttle.
6. temperature control throttle valve device as claimed in claim 5, which is characterized in that the valve body of first air throttle and described
The valve body of two air throttles has fixed movement relation, and the valve of the valve body of first air throttle and second air throttle
Body respectively drives by an actuator driven or by two actuators.
7. temperature control throttle valve device as described in claim 1, which is characterized in that when the heat exchanger is with engine coolant
When heat source heats the air for flowing through second pipeline, the heat exchanger is arranged in engine cylinder body or setting is being sent out
In the water jacket of motivation cylinder cap, or as the setting of independent heat exchanger except engine cylinder body；When the heat exchanger is to start
Machine machine oil is heat source when being heated to the air for flowing through second pipeline, the heat exchanger be arranged in oil pan or
It is arranged in machine oil bypass line；When the heat exchanger using engine exhaust as heat source to flow through the air of second pipeline into
When row heating, the heat exchanger is arranged after primary catalyst or is arranged between pre- catalyst converter and primary catalyst.
8. temperature control throttle valve device as claimed in claim 2, which is characterized in that the both ends of the valve body of first air throttle point
It is not provided with the first obstructive component and the second obstructive component,
Wherein, when the valve body is in horizontality, first obstructive component and second obstructive component and described the
The two side walls of one air throttle constitute sealing relationship, and to prevent air by first air throttle, and described first hinders
Plug member also blocks the second entrance,
Wherein, as the valve body rotates, first obstructive component is gradually reduced the degree of congestion of the second entrance, and
And when the valve body rotates more than predetermined threshold angle, first obstructive component and second obstructive component and described the
The sealing relationship of the two side walls of one air throttle releases.
9. temperature control throttle valve device as claimed in claim 8, which is characterized in that the valve body further includes：Optionally, from described
The center of valve body in the extended extended element in direction of predetermined angular and is arranged in the extended element along with the valve body
End third obstructive component,
Wherein, when the valve body rotates 90 degree, the third obstructive component blocks the second entrance.
10. temperature control throttle valve device as claimed in claim 5, which is characterized in that first piping connection to described first
Air throttle, second piping connection to second air throttle,
Wherein, when the valve body of second air throttle turns to 90 degree from horizontality, the valve body of first air throttle is protected
It holds motionless；When the valve body of second air throttle is from when turning to 180 degree for 90 degree, the valve body of first air throttle is from horizontal
State turns to 90 degree.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810208318.7A CN108343515A (en) | 2018-03-14 | 2018-03-14 | Temperature control throttle valve device |
| JP2019037632A JP6737918B2 (en) | 2018-03-14 | 2019-03-01 | Temperature control throttle device |
| CA3035775A CA3035775C (en) | 2018-03-14 | 2019-03-06 | Temperature control throttle device |
| US16/295,880 US11162461B2 (en) | 2018-03-14 | 2019-03-07 | Temperature control throttle device for an engine |
| KR1020190026769A KR102151868B1 (en) | 2018-03-14 | 2019-03-08 | Temperature control throttle device |
| EP19161629.1A EP3540200B1 (en) | 2018-03-14 | 2019-03-08 | Temperature control throttle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810208318.7A CN108343515A (en) | 2018-03-14 | 2018-03-14 | Temperature control throttle valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343515A true CN108343515A (en) | 2018-07-31 |
Family
ID=62958174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810208318.7A Pending CN108343515A (en) | 2018-03-14 | 2018-03-14 | Temperature control throttle valve device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108343515A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184921A (en) * | 2018-08-20 | 2019-01-11 | 李涛 | Temperature control throttle valve device |
| US11162461B2 (en) | 2018-03-14 | 2021-11-02 | Tao Li | Temperature control throttle device for an engine |
| CN114458456A (en) * | 2022-01-05 | 2022-05-10 | 东风商用车有限公司 | System for improving exhaust temperature of engine and control method |
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| US11162461B2 (en) | 2018-03-14 | 2021-11-02 | Tao Li | Temperature control throttle device for an engine |
| CN109184921A (en) * | 2018-08-20 | 2019-01-11 | 李涛 | Temperature control throttle valve device |
| CN114458456A (en) * | 2022-01-05 | 2022-05-10 | 东风商用车有限公司 | System for improving exhaust temperature of engine and control method |
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