CN110242419A - Control method, device and the engine braking system of engine brake power - Google Patents
Control method, device and the engine braking system of engine brake power Download PDFInfo
- Publication number
- CN110242419A CN110242419A CN201910573689.XA CN201910573689A CN110242419A CN 110242419 A CN110242419 A CN 110242419A CN 201910573689 A CN201910573689 A CN 201910573689A CN 110242419 A CN110242419 A CN 110242419A
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- Prior art keywords
- engine
- control
- brake power
- opening angle
- engine brake
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D2041/0022—Controlling intake air for diesel engines by throttle control
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Supercharger (AREA)
Abstract
The present invention relates to technical field of engines, specifically disclose a kind of control method of engine brake power, wherein the control method of the engine brake power includes: to obtain the corresponding first opening angle angle value of electronic throttle；Obtain the corresponding second opening angle angle value of valve block of electric controlled turbocharger；First control signal is generated according to the corresponding first opening angle angle value of the electronic throttle to control the air inflow of the electronic throttle, and second control signal is generated to control the air inflow of the electric controlled turbocharger according to the corresponding second opening angle angle value of valve block of the electric controlled turbocharger.The invention also discloses a kind of control device of engine brake power and engine braking systems.The control method of engine brake power provided by the invention increases braking efficiency by controlling air input of engine by air to the greatest extent, promotes engine braking effect.
Description
Technical field
The present invention relates to technical field of engines more particularly to a kind of control methods of engine brake power, engine
The engine braking system of the control device of braking power and the control device including the engine brake power.
Background technique
With the sustainable development of China's transport service, more and more carriers stream past in an endless flow around the clock on highway,
Therefore the requirement of the driving safety especially braking technology of automobile is higher and higher, especially for the traction engine of cargo transport,
When mountain area, mining area area or the uneven road traveling of topography, it is desirable to provide more reliable braking technology solution and production
Product.It is not obtained in terms of braking using electronic throttle and the engine of automatically controlled exhaust gas by-pass valve turbocharger at present maximum
Braking power, the prior art are all to realize engine braking function by different mechanical devices, do not consider braking system in vehicle
In practical application, do not obtain best braking ability.
Therefore, how to realize that the automatic control to the braking power of engine is urgently to be resolved as those skilled in the art
Technical problem.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art, a kind of engine brake power is provided
Control method, device and engine braking system, to solve the problems of the prior art.
As the first aspect of the invention, a kind of control method of engine brake power is provided, wherein start mechanism
Dynamic system includes electronic throttle and electric controlled turbocharger, and the control method of the engine brake power includes:
Obtain the electronic throttle pair when the valve block of electric controlled turbocharger is located at fixed aperture and engine brake power maximum
The the first opening angle angle value answered；
Obtain the automatically controlled turbine when the electronic throttle is located at the first opening angle angle value and engine brake power maximum
The corresponding second opening angle angle value of the valve block of booster；
First control signal is generated according to the corresponding first opening angle angle value of the electronic throttle to control the electronic throttle
The air inflow of door, and the second control is generated according to the corresponding second opening angle angle value of valve block of the electric controlled turbocharger and is believed
Number to control the air inflow of the electric controlled turbocharger.
As the second aspect of the invention, a kind of control device of engine brake power is provided, wherein described to start
The control device of machine braking power includes:
First obtain module, it is described first acquisition module be used for obtains electric controlled turbocharger valve block be located at fix aperture and
Electronic throttle corresponding first opening angle angle value when engine brake power maximum；
Second obtains module, obtains and is located at the first opening angle angle value and engine brake power most in the electronic throttle
The valve block corresponding second opening angle angle value of electric controlled turbocharger when big；
Control module, the control module are used to generate the first control according to the corresponding first opening angle angle value of the electronic throttle
Signal processed is to control the air inflow of the electronic throttle, and according to the valve block of the electric controlled turbocharger corresponding second
Opening angle angle value generates second control signal to control the air inflow of the electric controlled turbocharger.
As the third aspect of the invention, a kind of engine braking system is provided, wherein the engine braking system
It include: the control device of electronic throttle, electric controlled turbocharger and previously described engine brake power, the electronics section
Valve and the electric controlled turbocharger are electrically connected with the control device of the engine brake power, the electronic throttle
Engine can be connected to by air inlet pipe, the electric controlled turbocharger can be connected with the engine by exhaust pipe；
The control device of the engine brake power is used to generate the according to the corresponding first opening angle angle value of electronic throttle
One controls signal and generates the second control letter for the corresponding second opening angle angle value of valve block according to electric controlled turbocharger
Number；
The electronic throttle is used to adjust the air inflow of the air inlet pipe according to the first control signal；
The electric controlled turbocharger is used to adjust the admission pressure of the engine according to the second control signal.
Preferably, the electronic throttle includes throttle position sensor and air throttle, the throttle position sensing
Device is electrically connected with the air throttle, the throttle position sensor and the air throttle with the engine brake power
Control device electrical connection, the air throttle are located at the entrance of the air inlet pipe, and the throttle position sensor for examining in real time
The opening angle of the air throttle is surveyed, and the opening angle of the air throttle is sent to the control of the engine brake power
Device, and the air throttle can be opened into maximum opening angle under the control of the first control signal.
Preferably, the electric controlled turbocharger includes exhaust driven gas turbine, exhaust pipe, exhaust bypass channel and valve block, described
One end of exhaust pipe is connect with the exhaust driven gas turbine, and the other end of the exhaust pipe is connected with the engine, by the exhaust
Circulation passage is arranged on the interface channel of the exhaust driven gas turbine and the exhaust pipe, and the valve block setting is logical in the exhaust bypass
In road, the valve block is electrically connected with the control device of the engine brake power, and the valve block can be in second control
It is closed under the control of signal.
Preferably, the control device of the engine brake power includes ECU.
The control method of engine brake power provided by the invention is switched to braking operation by working normally in engine
When, the opening angle of electronic throttle is adjusted to maximum by control device, inlet flow area is maximum, and charge flow rate is most
Greatly.Meanwhile the opening angle of valve block is adjusted to close in electric controlled turbocharger, that is, closes the bypass passageways of exhaust, exhaust is complete
Portion flows through turbine, and admission pressure is adjusted to maximum.In charge flow rate and admission pressure maximum simultaneously, engine braking operation
When, air inflow is maximum in cylinder, at this time the not lasting combustion powered source of engine, and the air inlet in cylinder is by compression stroke mistake
Journey compression, the kinetic energy of consumption of engine, i.e. engine do negative work to the air in cylinder, therefore promote engine brake power,
Enhance the braking effect of engine.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of the control method of engine brake power provided by the invention.
Fig. 2 is the schematic diagram of engine braking system provided by the invention.
Fig. 3 is the flow chart of engine brake power provided by the invention control.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As the first aspect of the invention, provide a kind of control method of engine brake power, wherein such as Fig. 1 and
Shown in Fig. 2, engine braking system includes electronic throttle 2 and electric controlled turbocharger 3, the control of the engine brake power
Method processed includes:
S110, the electronics section when the valve block of electric controlled turbocharger 3 is located at fixed aperture and engine brake power maximum is obtained
The corresponding first opening angle angle value of valve 2；
It should be noted that as shown in Fig. 2, the electric controlled turbocharger 3 includes exhaust driven gas turbine and connect with exhaust driven gas turbine
Exhaust bypass channel 5, the exhaust bypass channel are provided on the interface channel of exhaust pipe 4, the exhaust driven gas turbine and exhaust pipe 4
Valve block 6 is provided on 5.
S120, acquisition is located at the first opening angle angle value in the electronic throttle 2 and engine brake power is maximum
When electric controlled turbocharger 3 the corresponding second opening angle angle value of valve block 6；
S130, first control signal is generated to control the electricity according to the corresponding first opening angle angle value of the electronic throttle 2
The air inflow of sub- air throttle 2, and generated according to the corresponding second opening angle angle value of valve block 6 of the electric controlled turbocharger 3
Second control signal is to control the air inflow of the electric controlled turbocharger 3.
The control method of engine brake power provided by the invention braking power according to needed for engine controls electronics section
The opening angle of valve adjustments air throttle, meanwhile, the opening angle of the valve block on exhaust bypass channel is controlled, and then adjust air inlet
The size of amount increases the done negative work of compression stroke, achievees the purpose that adjust engine brake power.
Specifically, the control method of above-mentioned engine brake power is further expalined, when in engine by normal
When work is switched to braking operation, it is maximum, i.e. opening electronic throttle 2 that first control signal, which adjusts the first opening angle angle value,
It opens angle and is adjusted to maximum, can specifically be fully opened with finger joint valve, inlet flow area is maximum at this time, and charge flow rate is maximum；
Meanwhile it is minimum that second control signal, which adjusts the second opening angle, i.e., the opening angle adjustment of valve block 6 in exhaust bypass channel 5
It is 0, can specifically refers to that valve block 6 completely closes, exhaust all flows through turbine, and admission pressure is adjusted to maximum.In charge flow rate and
When admission pressure is maximum simultaneously, when engine braking operation, air inflow reaches maximum in cylinder, so that engine is in compression stroke
Maximum consumption inertia force in the process, promotes engine to realize braking in a short time, reaches maximum braking power.
It should be noted that the maximum brake power of engine is related to the model of engine, and every engine is most
Big braking power has been set before factory, and those skilled in the art can be got by the specification of every engine
The maximum brake power of the engine.
As the second aspect of the invention, as shown in Fig. 2, a kind of control device of engine brake power is provided,
In, the control device of the engine brake power includes:
First obtains module, and the first acquisition module is used to obtain the valve block 6 in electric controlled turbocharger 3 positioned at fixed aperture
And the corresponding first opening angle angle value of electronic throttle 2 when engine brake power maximum；
Second obtains module, obtains and is located at the first opening angle angle value and engine brake power in the electronic throttle 2
The corresponding second opening angle angle value of valve block 6 of electric controlled turbocharger 3 when maximum；
Control module, the control module are used to generate the first control according to the corresponding first opening angle angle value of the electronic throttle
Signal processed is and corresponding according to the valve block 6 of the electric controlled turbocharger 3 to control the air inflow of the electronic throttle 2
Second opening angle angle value generates second control signal to control the air inflow of the electric controlled turbocharger 3.
The control device of engine brake power provided by the invention is mainly used for being in braking power most according to engine
Electronic throttle and valve block corresponding opening angle angle value when big, control module are controlled by the control signal that opening angle angle value generates
The pressure of electronic throttle charge flow rate and electric controlled turbocharger, in charge flow rate and admission pressure maximum simultaneously, cylinder
Interior air inflow is maximum, to increase the done negative work of compression stroke, increases braking power.
The third aspect of the invention provides a kind of engine braking system as shown in Figures 2 and 3, wherein the hair
Motivation braking system includes the control dress of electronic throttle 2, electric controlled turbocharger 3 and previously described engine brake power
7 are set, the electronic throttle 2 and the electric controlled turbocharger 3 are electrically connected with the control device 7 of the engine brake power
It connects, the electronic throttle 2 can be connected to engine 1 by air inlet pipe, and the electric controlled turbocharger 3 can pass through exhaust
Pipe 4 is connect with the engine 1；
The control device 7 of the engine brake power is used to be generated according to the corresponding first opening angle angle value of electronic throttle 2
First control signal and the second control is generated for the corresponding second opening angle angle value of valve block according to electric controlled turbocharger
Signal；
The electronic throttle 2 is used to adjust the air inflow of the air inlet pipe according to the first control signal；
The electric controlled turbocharger 3 is used to adjust the admission pressure of the engine 1 according to the second control signal.
When engine is switched to braking operation by working normally, the opening angle of air throttle and automatically controlled exhaust gas by-pass valve whirlpool
The opening angle for taking turns valve block in booster is middle position, and braking power is conventional value at this time.Engine braking of the invention
The opening angle of air throttle is adjusted to maximum, inlet flow when engine is switched to braking operation by working normally by system
Area is maximum, and charge flow rate is maximum.Meanwhile the opening angle of valve block in electric controlled turbocharger being adjusted and is closed, i.e. closing is arranged
The bypass passageways of gas, exhaust all flow through turbine, and admission pressure is adjusted to maximum.It is maximum simultaneously in charge flow rate and admission pressure
When, when engine braking operation, air inflow is maximum in cylinder, thus increase the done negative work of compression stroke, increase braking power.
Further, the electronic throttle 2 includes throttle position sensor and air throttle, and the throttle position passes
Sensor is electrically connected with the air throttle, the throttle position sensor and the air throttle with the engine brake power
Control device 7 be electrically connected, the air throttle is located at the entrance of the air inlet pipe, and the throttle position sensor is in real time
The opening angle of the air throttle is detected, and the opening angle of the air throttle is sent to the control of the engine brake power
Device 7 processed, and the air throttle can be opened into maximum opening angle under the control of the first control signal.
Further, the electric controlled turbocharger 3 includes exhaust driven gas turbine, exhaust pipe 4, exhaust bypass channel 5 and valve block
6, one end of the exhaust pipe is connect with the exhaust driven gas turbine, and the other end of the exhaust pipe is connected with the engine, described
Exhaust bypass channel 5 is arranged on the interface channel of the exhaust driven gas turbine and the exhaust pipe 4, and the valve block 6 is arranged described
In exhaust bypass channel 5, the valve block 6 is electrically connected with the control device 7 of the engine brake power, and the valve block 6 can
It is closed under the control of the second control signal.
Specifically, the control device 7 of the engine brake power includes ECU.
Further, the course of work of electric controlled turbocharger is explained in detail in, the engine braking system exists
Compressor is housed, the rotation of exhaust gas drive exhaust driven gas turbine, turbine and the impeller in compressor are coaxial, and then impeller in air inlet pipe
Rotation, the air that impeller force feed is sent by air cleaner pipeline are allowed to pressurization and enter cylinder.Engine braking system can lead to
The opening angle for crossing control valve block opens or closes exhaust bypass channel, controls the compression efficiency of turbocharger.When closing valve
When piece, exhaust all flows through turbine, the efficiency of electric controlled turbocharger compressed air is most strong, can make most compressed airs into
Enter cylinder.
Further, the flow chart of engine brake power as shown in Figure 3 control, engine are switched to by working normally
When braking operation, the opening angle of valve block 6 is interposition in the opening angle and electric controlled turbocharger 3 of electronic throttle 2
It sets, braking power is conventional value at this time.Engine braking system provided by the invention, in engine by working normally the system of being switched to
When starting building to make, the opening angle of electronic throttle 2 is adjusted to maximum by control device 7, inlet flow area is maximum, air inlet
Maximum flow.Meanwhile the opening angle of valve block 6 is adjusted to close in electric controlled turbocharger 3, that is, closes the bypass passageways of exhaust
5, exhaust all flows through turbine, and admission pressure is adjusted to maximum.In charge flow rate and admission pressure maximum simultaneously, start mechanism
When starting building to make, air inflow is maximum in cylinder, at this time the not lasting combustion powered source of engine, and the air inlet in cylinder is compressed
Stroke procedure compression, the kinetic energy of consumption of engine, i.e. engine do negative work to the air in cylinder, therefore promote engine braking
Power enhances the braking effect of engine.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (6)
1. a kind of control method of engine brake power, which is characterized in that engine braking system include electronic throttle and
The control method of electric controlled turbocharger, the engine brake power includes:
Obtain the electronic throttle pair when the valve block of electric controlled turbocharger is located at fixed aperture and engine brake power maximum
The the first opening angle angle value answered；
Obtain the automatically controlled turbine when the electronic throttle is located at the first opening angle angle value and engine brake power maximum
The corresponding second opening angle angle value of the valve block of booster；
First control signal is generated according to the corresponding first opening angle angle value of the electronic throttle to control the electronic throttle
The air inflow of door, and the second control is generated according to the corresponding second opening angle angle value of valve block of the electric controlled turbocharger and is believed
Number to control the air inflow of the electric controlled turbocharger.
2. a kind of control device of engine brake power, which is characterized in that the control device packet of the engine brake power
It includes:
First obtain module, it is described first acquisition module be used for obtains electric controlled turbocharger valve block be located at fix aperture and
Electronic throttle corresponding first opening angle angle value when engine brake power maximum；
Second obtains module, obtains and is located at the first opening angle angle value and engine brake power most in the electronic throttle
The valve block corresponding second opening angle angle value of electric controlled turbocharger when big；
Control module, the control module are used to generate the first control according to the corresponding first opening angle angle value of the electronic throttle
Signal processed is to control the air inflow of the electronic throttle, and according to the valve block of the electric controlled turbocharger corresponding second
Opening angle angle value generates second control signal to control the air inflow of the electric controlled turbocharger.
3. a kind of engine braking system, which is characterized in that the engine braking system includes: electronic throttle, automatically controlled whirlpool
Take turns the control device of booster and engine brake power as claimed in claim 2, the electronic throttle and the automatically controlled whirlpool
Wheel booster is electrically connected with the control device of the engine brake power, and the electronic throttle can be connected by air inlet pipe
It is connected to engine, the electric controlled turbocharger can be connected with the engine by exhaust pipe；
The control device of the engine brake power is used to generate the according to the corresponding first opening angle angle value of electronic throttle
One controls signal and generates the second control letter for the corresponding second opening angle angle value of valve block according to electric controlled turbocharger
Number；
The electronic throttle is used to adjust the air inflow of the air inlet pipe according to the first control signal；
The electric controlled turbocharger is used to adjust the admission pressure of the engine according to the second control signal.
4. engine braking system according to claim 3, which is characterized in that the electronic throttle includes air throttle position
Sensor and air throttle are set, the throttle position sensor is electrically connected with the air throttle, the throttle position sensor
It is electrically connected with the control device of the engine brake power with the air throttle, the air throttle is located at the air inlet pipe
Entrance, opening angle of the throttle position sensor for air throttle described in real-time detection, and opening the air throttle
The control device that angle is sent to the engine brake power is opened, and the air throttle can be in the first control signal
Maximum opening angle is opened under control.
5. engine braking system according to claim 3, which is characterized in that the electric controlled turbocharger includes exhaust
Turbine, exhaust pipe, exhaust bypass channel and valve block, one end of the exhaust pipe are connect with the exhaust driven gas turbine, the exhaust pipe
The other end be connected with the engine, the connection of the exhaust driven gas turbine Yu the exhaust pipe is arranged in the exhaust bypass channel
On channel, the valve block is arranged in the exhaust bypass channel, and the control of the valve block and the engine brake power fills
Electrical connection is set, the valve block can close under the control of the second control signal.
6. the engine braking system according to any one of claim 3 to 5, which is characterized in that described to start mechanism
The control device of dynamic power includes ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573689.XA CN110242419A (en) | 2019-06-28 | 2019-06-28 | Control method, device and the engine braking system of engine brake power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910573689.XA CN110242419A (en) | 2019-06-28 | 2019-06-28 | Control method, device and the engine braking system of engine brake power |
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| CN110242419A true CN110242419A (en) | 2019-09-17 |
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| CN201910573689.XA Pending CN110242419A (en) | 2019-06-28 | 2019-06-28 | Control method, device and the engine braking system of engine brake power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657036A (en) * | 2019-09-29 | 2020-01-07 | 潍柴动力股份有限公司 | Control method and device of supercharger |
| CN114645785A (en) * | 2022-05-18 | 2022-06-21 | 潍柴动力股份有限公司 | Engine braking power control method, device and equipment |
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| CN105697095A (en) * | 2014-12-15 | 2016-06-22 | 曼卡车和巴士奥地利股份公司 | Method for controlling an engine braking device and engine braking device |
| CN105697096A (en) * | 2014-12-15 | 2016-06-22 | 曼卡车和巴士奥地利股份公司 | Method for controlling an engine braking device and engine braking device |
| CN205805639U (en) * | 2016-06-07 | 2016-12-14 | 浙江大学 | A kind of electromotor two cycle compression release type brake device |
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| CN110657036B (en) * | 2019-09-29 | 2022-04-05 | 潍柴动力股份有限公司 | Control method and device of supercharger |
| CN114645785A (en) * | 2022-05-18 | 2022-06-21 | 潍柴动力股份有限公司 | Engine braking power control method, device and equipment |
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Application publication date: 20190917 |