CN108930645A - Multi-state Diesel Driven air compressor machine - Google Patents
Multi-state Diesel Driven air compressor machine Download PDFInfo
- Publication number
- CN108930645A CN108930645A CN201810885337.3A CN201810885337A CN108930645A CN 108930645 A CN108930645 A CN 108930645A CN 201810885337 A CN201810885337 A CN 201810885337A CN 108930645 A CN108930645 A CN 108930645A
- Authority
- CN
- China
- Prior art keywords
- controller
- air compressor
- gas tank
- engine
- compressor machine
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/04—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
Abstract
The present invention relates to air compressor machines, and system complex is controlled when to solve the problems, such as existing air compressor machine a tractor serves several purposes；A kind of diesel-driven air compressor machine of multi-state is provided, including diesel engine, pneumatics host, gas tank, controller, pressure sensor, detection gas tank pressure and connect with the controller, connect with controller human-machine exchange module for selecting determining air compressor machine operating condition, electric pushrod for controlling intake valve valve port opening is connect with controller, connect the speed probe for detecting engine speed with controller；Controller obtains corresponding gas tank pressure setting range and engine speed preset value according to the operating condition of air compressor machine and controls engine speed and intake valve aperture by control revolution speed control device and electric pushrod, is located at gas tank pressure in gas tank operating pressure setting range.In the present invention, controller controls the control of the butterfly valve opening realization gas tank pressure of the intake valve of engine speed and pneumatics host, realizes a machine multi-state according to the operating condition of selection.
Description
Technical field
The present invention relates to a kind of air compressors, more specifically to a kind of multi-state Diesel Driven air compressor machine.
Background technique
As gas equipment type in the market is more and more, to also different with atmospheric pressure and flow demand.Now
The upper diesel driven air compressor machine in most of market all only has a kind of operating pressure, meets single duty requirements, can not a tractor serves several purposes.
A small amount of air compressor machine is to control to realize two or more pressure to meet multiplexing by two or more pieces gas circuit in parallel
Condition demand.But control gas circuit is more, complete machine layout is difficult and at high cost, installation and maintenance are poor.Every kind of operating condition has specifically
Control requires, a plurality of identical gas circuit same intake valve aperture of control in parallel and same engine, mutual difficult coordination,
The problems such as control accuracy difference.
Summary of the invention
The technical problem to be solved by the present invention is to when the existing air compressor machine a tractor serves several purposes aiming at the problem that control system complex, and
A kind of multi-state Diesel Driven air compressor machine is provided, the control system of air compressor structure is simple, facilitates realization a tractor serves several purposes.
The present invention is to realize that the technical solution of its purpose is such that provide a kind of diesel-driven pneumatics of multi-state
Machine, including diesel engine, pneumatics host driven by the engine, the gas tank being connect with pneumatics host gas outlet, the pneumatics
The air inlet of host is equipped with intake valve, is equipped with revolution speed control device on engine；It is characterized by comprising controller, it is used for
Detection gas tank pressure and pressure sensor connect with the controller are connect with controller for selecting determining air compressor machine operating condition
Human-machine exchange module, connect with controller electric pushrod for controlling intake valve valve port opening, connect and be used for controller
Detect the speed probe of engine speed；The controller obtains corresponding gas tank pressure according to the operating condition of air compressor machine and sets model
It encloses with engine speed preset value and engine speed and inlet open is controlled by control revolution speed control device and electric pushrod
Degree, is located at gas tank pressure in gas tank pressure setting range.In the present invention, controller starts according to the operating condition of selection, control
The butterfly valve opening of the intake valve of machine revolving speed and pneumatics host realizes the control of gas tank pressure, realizes a machine multi-state.
Further, in the diesel-driven air compressor machine of above-mentioned multi-state, the revolution speed control device includes engine oil
Door pull rod and the throttle electric pushrod for pushing accelerator rod, the throttle electric pushrod are connect with the controller.
Further, in the diesel-driven air compressor machine of above-mentioned multi-state, the diesel engine starts for electric spraying diesel
Machine, the revolution speed control device are control unit of engine.
It further, further include the emptying being mounted on the gas tank in the diesel-driven air compressor machine of above-mentioned multi-state
Solenoid valve, the emptying magnetic valve are connect with the controller；Further, the emptying magnetic valve is normally open solenoid valve, when
Engine speed is higher than emptying magnetic valve closure cut-off when preset value.
Compared with prior art, the present invention having the advantage that
The present invention with it is automatically controlled replace gas control, simplified control circuit, optimization complete machine layout, be easy installation and maintenance, save cost,
High reliablity, and select that multi-state, a tractor serves several purposes can be achieved by human-computer interaction module.Cylinder is replaced with electric pushrod, is passed through
Software program setting various parameters value goes control electric pushrod movement, not by gas pressure limit, intake valve and diesel engine
Revolving speed can separate independent control, and freedom degree big-movement is easy to coordinate, and system is easy matching.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of intake valve of the present invention.
Fig. 2 is control system of air compressor block diagram of the invention
Parts title and serial number in figure:
Butterfly valve 2, electric pushrod 3, human-computer interaction module 4, electronic controller 5, pressure sensor 6, emptying magnetic valve 7, gas
Tank 8, electric pushrod 9, pneumatics host 10, intake valve 11, throttle electric pushrod 12, accelerator rod 14, diesel engine 15, revolving speed
Sensing 16.
Specific embodiment
Illustrate specific embodiment with reference to the accompanying drawing.
As shown in Fig. 2, the air compressor machine in the present embodiment include diesel engine, pneumatics host driven by the engine, with
The gas tank of pneumatics host gas outlet connection, controller, for detect gas tank pressure and pressure sensor connected to the controller, with
Controller connection is for selecting the human-machine exchange module for determining air compressor machine operating condition, connecting with controller for controlling intake valve valve port
The electric pushrod of aperture, the emptying for connecting speed probe for detecting engine speed with controller, being mounted on gas tank
Solenoid valve；Emptying magnetic valve is connect with controller, and emptying magnetic valve is normally open solenoid valve, when engine speed is higher than preset value
The emptying magnetic valve closure cut-off.The air inlet of pneumatics host is equipped with intake valve, and revolving speed control dress is equipped on engine
It sets.Revolution speed control device include engine throttle pull rod and push accelerator rod throttle electric pushrod, throttle electric pushrod with
Controller connection.When engine is electric spraying diesel engine, then the control unit of engine on electric spraying diesel engine (ECU) is then
Serve as the role of revolution speed control device.Human-machine exchange module can be touch control display or button connected to the controller or rotation
The operating devices such as button.
As shown in Figure 1, replacing cylinder with electric pushrod in the present embodiment, pass through the flexible promotion intake valve 1 of electric pushrod 3
Butterfly valve 2 rotate to control 11 open and close of intake valve and valve port opening around fulcrum and adjust, namely control pneumatics host
Air inflow.
As shown in Fig. 2, pressure signal is transferred to electronic controller 5, electronics control by the pressure sensor 6 on gas tank 8
Device 5 processed selects different work operating conditions to be compared operation output electric signal and drives electronic push away according to 4 user of human-computer interaction module
Bar 9 and throttle electric pushrod 12 make to adjust pneumatics host outlet come the aperture and the revolving speed of diesel engine 15 for controlling intake valve 11
Match with gas consumption.Speed-regulating instruction directly can be sent to diesel engine by CAN bus for electric spraying diesel engine
15 ECU module adjusts engine speed without throttle electric pushrod 12 and accelerator rod 14.Speed probe 15 is right
Engine speed is fed back.Emptying magnetic valve 7 is normally open solenoid valve, gas when shutdown in power loss emptying gas tank.
In the present embodiment, the operating condition of air compressor machine includes idling operation and a variety of work operating conditions, and wherein idling operation is exactly
After engine start, but air compressor machine not yet supplies gas equipment, and engine keeps certain revolving speed, makes the air pressure in gas tank
It is maintained at preset range.The various parameters of air compressor machine job control have been preset in the controller, most including engine operation
High tachometer value, emptying magnetic valve movement engine speed value, air compressor machine enter the engine speed value of idling operation and right
Answer the work of the idling upper pressure limit value and idling low pressure limit value, corresponding every kind of air compressor machine work operating condition of air compressor machine idling operation
Upper pressure limit value and minimum working pressure value.After the engine started, default is chosen to be idling operation to air compressor machine, and air compressor machine enters
After idling operation, user selects to enter corresponding work regime mode by human-machine exchange module.
When diesel engine 15 starts, controller 5 reads the running parameter of its storage and detects the letter of speed probe 16
Number, when engine speed value is greater than the engine speed value of emptying magnetic valve movement, controller output electric signal makes to be vented electromagnetism
Valve 7 must be electrically turn off, and pressure is begun setting up in gas tank.
After 15 starting operation of diesel engine, electronic controller 5 exports electric signal control throttle electric pushrod 12 and stretches out together
When detect the signal of speed probe 16, enter the engine speed value time control of idling operation when engine speed reaches air compressor machine
Device 5 processed stops electric signal output immediately, and throttle electric pushrod 12, which stops stretching out, is fixed on idle position, diesel oil accelerator rod 14
Engine 14 drives 10 idle running of pneumatics host.Meanwhile controller 5 exports electric signal control electric pushrod 9 and shoots out and make
Intake valve 11 fully opens and detects the signal of pressure sensor 6, is controlled electronically after pressure value reaches idling pressure IP_OFF1
Device 5 is immediately controlled electric signal and reversely exports, and control electric pushrod 9, which retracts rapidly, makes intake valve 11 restore to close, and makes pneumatics host
10 systems keep operating with idling pressure.When gas tank pressure value is lower than idling low pressure limit value, electronic controller 5 exports electricity again
Signal control electric pushrod 9 shoot out open intake valve come in by gas, when pressure rise reaches idling upper pressure limit value,
Electronic controller 5 controls electric signal and reversely exports, and control electric pushrod 9, which retracts rapidly, makes intake valve 11 restore to close, so anti-
Covering makes pneumatics host maintain essentially in unloaded idle running in idling pressure limit.
When air compressor machine is switched to load working condition by human-computer interaction module 4 by user, user during the work time
Gas equipment consumption gas consumption it is different, it is small when big when possible.Electronic controller 5 overregulates 15 revolving speed of diesel engine by adjusting
And the aperture of intake valve 11 matches to adjust pneumatics host outlet with gas consumption.
When being increased with gas consumption, gas tank pressure will reduce, when gas tank pressure is less than the minimum working pressure of the operating condition
When value, controller 5 exports electric signal control electric pushrod 9 and throttle electric pushrod 12 stretches out and opens intake valve 11 and improve diesel oil
15 revolving speed of engine increases air inflow；When gas tank pressure reaches minimum working pressure value, (gas tank pressure is more than or equal to operating pressure
Lower limit value is less than or equal to maximum working pressure value) when controller 5 stop output electric signal, electric pushrod 9 and throttle electric pushrod
12 stop stretching out, and maintain current engine speed and intake valve aperture.
When consuming reduction with gas, gas tank pressure will increase, when pressure is greater than maximum working pressure value, electronic controller
5 reversed output electric signal control electric pushrods 9 and the retraction of throttle electric pushrod 12, which turn down intake valve aperture and reduce engine, to be turned
Speed reduces air inflow；When pressure be less than maximum working pressure value (gas tank pressure be more than or equal to minimum working pressure value, be less than etc.
In maximum working pressure value) when controller stop reversed output electric signal, electric pushrod 9 and electric pushrod 12 stop retracting, dimension
Hold current revolving speed and intake valve aperture.
When rotary speed of diesel engine reaches engine operation maximum speed value, if gas tank pressure is still less than the work operating condition
Operating pressure under when being worth, the stopping of controller 5 export electric signal to throttle electric pushrod 12, and throttle electric pushrod 12 stops stretching
Out, diesel engine can only be operated with engine operation maximum speed value；When rotary speed of diesel engine as low as air compressor machine enter it is idle
When the engine speed value of fast operating condition, if gas tank pressure is still greater than the maximum working pressure value of the work operating condition, controller 5 stops
Electric signal is only reversely exported to throttle electric pushrod 12, throttle electric pushrod 12 stops retracting, and diesel engine can only be with pneumatics
Machine enters the engine speed value operating of idling operation.
When shutdown, controller 5, which reversely exports electric signal and is fully retracted to electric pushrod 9 and throttle electric pushrod 12, makes air inlet
Valve 11 is completely closed shuts down with diesel engine 15, puts when controller detects that the revolving speed of engine is lower than by speed probe
The engine speed value of empty electromagnetism valve events, controller stop output electric signal to emptying magnetic valve, and 7 power loss of emptying magnetic valve is put
Gas in air tank.
For electric spraying diesel engine in above-mentioned specific embodiment, controller 5 is by the demand for controlling electric pushrod 12
Revolving speed sends speed-regulating instruction to the ECU module of engine by CAN bus, is turned by the ECU module of engine according to what is received
Fast demand controls engine speed.
Claims (7)
1. a kind of diesel-driven air compressor machine of multi-state, including diesel engine, pneumatics host driven by the engine and sky
The gas tank of host gas outlet connection is pressed, the air inlet of the pneumatics host is equipped with intake valve, revolving speed control is equipped on engine
Device processed；It is characterized by comprising controller, the pressure sensor for detecting gas tank pressure and being connect with the controller, with
Controller connection is for selecting the human-machine exchange module for determining air compressor machine operating condition, connecting with controller for controlling intake valve valve port
The electric pushrod of aperture connect speed probe for detecting engine speed with controller；The controller is according to pneumatics
The operating condition of machine obtain corresponding gas tank pressure setting range and engine speed preset value and by control revolution speed control device and
Electric pushrod controls engine speed and intake valve aperture, is located at gas tank pressure in gas tank pressure setting range.
2. the diesel-driven air compressor machine of multi-state according to claim 1, it is characterised in that the revolution speed control device
Throttle electric pushrod including engine throttle pull rod and promotion accelerator rod, the throttle electric pushrod and the controller connect
It connects.
3. the diesel-driven air compressor machine of multi-state according to claim 1, it is characterised in that the diesel engine is
Electric spraying diesel engine, the revolution speed control device are control unit of engine.
4. the diesel-driven air compressor machine of multi-state according to any one of claim 1 to 3, it is characterised in that further include
The emptying magnetic valve being mounted on the gas tank, the emptying magnetic valve are connect with the controller.
5. the diesel-driven air compressor machine of multi-state according to claim 4, it is characterised in that the emptying magnetic valve is
Normally open solenoid valve, the emptying magnetic valve closure cut-off when engine speed is higher than preset value.
6. the diesel-driven air compressor machine of multi-state according to any one of claim 1 to 3, it is characterised in that the sky
The operating condition of press includes idling operation and several work operating condition, is stored under the pressure of corresponding every kind of operating condition in the controller
Limit value and upper pressure limit Value Data, the controller by control revolution speed control device and electric pushrod control engine speed and
Intake valve aperture is located at gas tank pressure between the low pressure limit value and upper pressure limit value of corresponding operating condition.
7. the diesel-driven air compressor machine of multi-state according to claim 6, it is characterised in that further include be mounted on it is described
The normally opened emptying magnetic valve connecting on gas tank and with the controller is stored with the hair of emptying magnetic valve movement in the controller
Motivation revolving speed Value Data, when engine speed is higher than the engine speed value of emptying magnetic valve movement, the emptying magnetic valve is closed
Close cut-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810885337.3A CN108930645A (en) | 2018-08-06 | 2018-08-06 | Multi-state Diesel Driven air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810885337.3A CN108930645A (en) | 2018-08-06 | 2018-08-06 | Multi-state Diesel Driven air compressor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108930645A true CN108930645A (en) | 2018-12-04 |
Family
ID=64444935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810885337.3A Withdrawn CN108930645A (en) | 2018-08-06 | 2018-08-06 | Multi-state Diesel Driven air compressor machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108930645A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637057A (en) * | 2020-05-21 | 2020-09-08 | 江苏集萃智能制造技术研究所有限公司 | Control method of novel diesel-driven screw type air compressor controller |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089315A (en) * | 2000-09-07 | 2002-03-27 | Hokuetsu Kogyo Co Ltd | Rotating speed control device of compressor |
| CN201407155Y (en) * | 2009-02-27 | 2010-02-17 | 南京昱天高新能源科技发展有限公司 | Intelligent energy-saving control device for air compressor |
| CN102847393A (en) * | 2012-09-27 | 2013-01-02 | 徐州天地重型机械制造有限公司 | Main dust collector protection device and method of drying machine |
| CN204021194U (en) * | 2014-08-06 | 2014-12-17 | 青岛北海船舶重工有限责任公司 | Command and control system is handled in life boat check |
| CN106286254A (en) * | 2016-10-08 | 2017-01-04 | 湖北特威特动力科技股份有限公司 | A kind of air compressor machine of full-automatic unmanned supervision |
| CN206000731U (en) * | 2016-08-25 | 2017-03-08 | 浙江纪超自动化技术有限公司 | Bavin moves screw-rod air compressor control panel |
| CN106523368A (en) * | 2016-08-25 | 2017-03-22 | 浙江纪超自动化技术有限公司 | Diesel driven screw type air compressor control screen and control method thereof |
-
2018
- 2018-08-06 CN CN201810885337.3A patent/CN108930645A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002089315A (en) * | 2000-09-07 | 2002-03-27 | Hokuetsu Kogyo Co Ltd | Rotating speed control device of compressor |
| CN201407155Y (en) * | 2009-02-27 | 2010-02-17 | 南京昱天高新能源科技发展有限公司 | Intelligent energy-saving control device for air compressor |
| CN102847393A (en) * | 2012-09-27 | 2013-01-02 | 徐州天地重型机械制造有限公司 | Main dust collector protection device and method of drying machine |
| CN204021194U (en) * | 2014-08-06 | 2014-12-17 | 青岛北海船舶重工有限责任公司 | Command and control system is handled in life boat check |
| CN206000731U (en) * | 2016-08-25 | 2017-03-08 | 浙江纪超自动化技术有限公司 | Bavin moves screw-rod air compressor control panel |
| CN106523368A (en) * | 2016-08-25 | 2017-03-22 | 浙江纪超自动化技术有限公司 | Diesel driven screw type air compressor control screen and control method thereof |
| CN106286254A (en) * | 2016-10-08 | 2017-01-04 | 湖北特威特动力科技股份有限公司 | A kind of air compressor machine of full-automatic unmanned supervision |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637057A (en) * | 2020-05-21 | 2020-09-08 | 江苏集萃智能制造技术研究所有限公司 | Control method of novel diesel-driven screw type air compressor controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4306703B2 (en) | Control device for an internal combustion engine with a supercharger | |
| CN1840876B (en) | Control apparatus for internal combustion engine and control method for the same | |
| CN101387236B (en) | Variable nozzle turbocharging control method and system | |
| CN106523368B (en) | Bavin moves screw-rod air compressor control flow and its control method | |
| WO2008018380A1 (en) | Control device for internal combustion engine with supercharger | |
| CN106460641B (en) | Control device for engine | |
| CN102292529A (en) | Controller of vehicle | |
| CN104632432A (en) | Gas engine electronic control device for commercial vehicle and control method of device | |
| CN108331064A (en) | A kind of hydraulic crawler excavator loaded self-adaptive intelligent controlling device and control system | |
| CN108930645A (en) | Multi-state Diesel Driven air compressor machine | |
| CN103343717B (en) | A kind of motorcycle with electronic fuel injection system idle speed control | |
| CN201858032U (en) | Electric control system for high-power low-speed diesel engine | |
| JP3094646B2 (en) | Control device for variable capacity turbocharger | |
| CN102128095B (en) | System and method for cleaning solenoid valve debris | |
| CN110529381A (en) | Bavin based on the national standard phase III moves screw-rod air compressor drive control apparatus | |
| CN110296005B (en) | Natural gas engine double-output mode control system and control method | |
| CN111734542A (en) | Switch type idling air inflow control method of motorcycle engine | |
| CN102278215A (en) | Electric-control double-fuel engine system | |
| CN203769933U (en) | Electric controlling pneumatic system used for engine supercharging adjustment | |
| CN201513348U (en) | Screw compressor air quantity proportion regulating and controlling system | |
| CN206000731U (en) | Bavin moves screw-rod air compressor control panel | |
| CN107002580A (en) | Method and apparatus for adjusting the boost charge-air pressure in internal combustion engine by Comprex supercharger | |
| CN208416725U (en) | Improve the device of natural gas engine transient response | |
| CN203383907U (en) | Electronic injection motorcycle idle control system and throttle valve adjusting mechanism | |
| KR101471306B1 (en) | apparatus for controlling Waste gate valve of turbo charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181204 |
|
| WW01 | Invention patent application withdrawn after publication |