CN104564211B - Optimize the device and method of internal combustion engine low-speed performance - Google Patents
Optimize the device and method of internal combustion engine low-speed performance Download PDFInfo
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- CN104564211B CN104564211B CN201310656226.2A CN201310656226A CN104564211B CN 104564211 B CN104564211 B CN 104564211B CN 201310656226 A CN201310656226 A CN 201310656226A CN 104564211 B CN104564211 B CN 104564211B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
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- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention discloses a kind of device and method of optimization internal combustion engine low-speed performance.The internal combustion engine includes multiple cylinders, air valve, air valve actuator and auxiliary drive mechanism, air valve actuator generates the main valve liter of internal combustion engine, it includes that the valve of air bleeding valve of the internal combustion engine during exhaust stroke rises or the valve liter of intake valve during induction stroke that main valve, which rises, the auxiliary valve liter of auxiliary drive mechanism generation internal combustion engine.In internal combustion engine low-speed run state:(1)Auxiliary valve liter is generated using partial-cylinder of the auxiliary drive mechanism in the multiple cylinders of internal combustion engine, and it includes the valve liter of the air bleeding valve of internal combustion engine during compression stroke or the valve liter of intake valve during compression stroke that auxiliary valve, which rises,;(2)Stop providing fuel oil to the partial-cylinder for generating auxiliary valve liter;With(3)It keeps the main valve without generating remaining cylinder that auxiliary valve rises in the multiple cylinders of internal combustion engine to rise constant and provides fuel oil for remaining cylinder.On this basis, the present invention also provides the method and apparatus for starting internal combustion engine.
Description
The present invention claims submit on October 15th, 2013 application No. is 201320637306.9, it is entitled " in optimization
The device of combustion engine low-speed performance and start internal combustion engine and device " Chinese patent application priority, entire contents are by drawing
With being incorporated among the present invention.
Technical field
The present invention relates to machinery field more particularly to internal-combustion engine technology, especially a kind of optimization internal combustion engine low-speed performance
Device and method and the method and apparatus for starting internal combustion engine.
Background technology
Internal combustion engine low-speed performance includes mainly the performances such as parking, starting and the idle running of internal combustion engine.In arctic weather,
Compression-ignited diesel engine is difficult to start.There is also operating excessive fuel consumption, shakiness, shakes when idling and parking for Heavy Duty Commercial Car internal combustion engine
The defects of dynamic and noise.It is mostly fluid pressure type mechanism that being used at present, which improves the auxiliary drive mechanism of engine performance,.In internal combustion engine
After flame-out, fluid pressure type mechanism can not stay open the air valve of internal combustion engine.Fluid(Such as machine oil)Leakage will lead to fluid pressure type
The failure of mechanism, because without normal direction fluid pressure type after internal combustion engine is flame-out(Or air-compression type)Mechanism fuel feeding, the fluid lost cannot get
Supplement, to lose hydraulic connecting or pneumatics driving, the Diesel Engine's Air Valve opened by high-pressure fluid will be in the work of spring for valve
It takes a seat under closing.
Invention content
The purpose of the present invention is to provide the device and method of optimization internal combustion engine low-speed performance, solve internal combustion in the prior art
Oil consumption is big when machine low-speed running, parking when vibrations and noise is big and the technical problem and hydraulic pressure of internal combustion engine cold start-up difficulty
Formula or air-compression type mechanism are the technical issues of can not stay open the air valve of internal combustion engine after internal combustion engine is flame-out.It is basic herein
On, another object of the present invention is to provide the method and apparatus for starting internal combustion engine.
The present invention this optimization internal combustion engine low-speed performance method in, the internal combustion engine include multiple cylinders, air valve,
Air valve actuator and auxiliary drive mechanism, the air valve actuator generate the main valve liter of internal combustion engine, and the main valve liter includes internal combustion
The valve of air bleeding valve of the machine during exhaust stroke rises or the valve liter of intake valve during induction stroke, the auxiliary drive machine
Structure generates the auxiliary valve liter of internal combustion engine;In internal combustion engine low-speed run state,
1) partial-cylinder using the auxiliary drive mechanism in the multiple cylinders of internal combustion engine generates auxiliary valve liter, described auxiliary
It includes the valve liter of the air bleeding valve of internal combustion engine during compression stroke or the valve liter of intake valve during compression stroke to help valve to rise,
2) stop providing fuel oil to the partial-cylinder that the generation auxiliary valve rises,
3) main valve without generating remaining cylinder that auxiliary valve rises in the multiple cylinders of internal combustion engine is kept to rise constant and be institute
It states remaining cylinder and fuel oil is provided.
Further, internal combustion engine low-speed run state includes engine idle conditions.
Further, it is zero or close to zero that engine idle conditions, which include internal combustion engine output torque,.
Further, it is zero that engine idle conditions, which include engine throttle position,.
Further, engine idle conditions include engine speed be or close to calibration idling.
Further, engine idle conditions include engine speed be or close to calibration idling.
Further, adjust to it is no generation auxiliary valve rise remaining cylinder provide amount of fuel make engine speed or
Close to calibration idling.
Further, the air bleeding valve liter or intake valve during compression stroke of the internal combustion engine during compression stroke
It includes constant valve liter to rise, and the height that the constant valve rises is between 0.5mm and 3.0mm.
Further, the auxiliary drive mechanism is integrated in the air valve actuator.
Further, the auxiliary drive mechanism and the air valve actuator are two mutually independent air valve driving machines
Structure.
Further, the auxiliary drive mechanism is solid chain mechanism, and the solid chain mechanism includes a not operation position
It sets and is mechanically connected simultaneously in the operating position Gu chain mechanism is formed with the air valve for generating auxiliary valve liter with an operating position
Open the air valve, in the off position, Gu chain mechanism and generate the air valve that auxiliary valve rises unclamp and cancel with it is described
Interaction between air valve.
Further, the solid chain mechanism includes a working piston, and the working piston is placed in a babinet,
The babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
Rocking arm, and
The valve bridge of internal combustion engine.
Further, multiple cylinders of the internal combustion engine include six cylinders, and auxiliary valve liter is generated in the multiple cylinder
And the partial-cylinder for stopping offer fuel oil includes three cylinders in six cylinders.
In the device of this optimization internal combustion engine low-speed performance of the present invention, the internal combustion engine includes multiple cylinders, air valve
Gentle valve actuator, the air valve actuator generate the main valve liter of internal combustion engine, and the main valve liter includes internal combustion engine in exhaust stroke
The valve of the air bleeding valve of period rises or the valve liter of intake valve during induction stroke, device are characterized in that:Described device
Including auxiliary drive mechanism;In internal combustion engine low-speed run state, described device is using the auxiliary drive mechanism in internal combustion engine
Partial-cylinder in multiple cylinders generates auxiliary valve liter, and the auxiliary valve liter includes the air bleeding valve of internal combustion engine during compression stroke
Valve rise or the valve liter of intake valve during compression stroke;Described device stops the part vapour risen to the generation auxiliary valve
Cylinder provides fuel oil, while keeping the main valve liter without generating remaining cylinder that auxiliary valve rises in the multiple cylinders of internal combustion engine constant simultaneously
Fuel oil is provided for remaining described cylinder.
Further, internal combustion engine low-speed run state includes engine idle conditions.
Further, it is zero or close to zero that engine idle conditions, which include internal combustion engine output torque,.
Further, it is zero that engine idle conditions, which include engine throttle position,.
Further, engine idle conditions include engine speed be or close to calibration idling.
Further, engine idle conditions include engine speed be or close to calibration idling.
Further, described device, which adjusts the amount of fuel that remaining cylinder risen to no generation auxiliary valve provides, makes engine
Rotating speed or close to calibration idling.
Further, the air bleeding valve liter or intake valve during compression stroke of the internal combustion engine during compression stroke
It includes constant valve liter to rise, and the height that the constant valve rises is between 0.5mm and 3.0mm.
Further, the auxiliary drive mechanism is integrated in the air valve actuator.
Further, the auxiliary drive mechanism and the air valve actuator are two mutually independent air valve driving machines
Structure.
Further, the auxiliary drive mechanism is solid chain mechanism, and the solid chain mechanism includes a not operation position
It sets and is mechanically connected simultaneously in the operating position Gu chain mechanism is formed with the air valve for generating auxiliary valve liter with an operating position
Open the air valve, in the off position, Gu chain mechanism and generate the air valve that auxiliary valve rises unclamp and cancel with it is described
Interaction between air valve.
Further, the solid chain mechanism includes a working piston, and the working piston is placed in a babinet,
The babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
Rocking arm, and
The valve bridge of internal combustion engine.
Further, multiple cylinders of the internal combustion engine include six cylinders, and auxiliary valve liter is generated in the multiple cylinder
And the partial-cylinder for stopping offer fuel oil includes three cylinders in six cylinders.
The present invention operation principle be:In the operation process of internal combustion engine, opened by the valve actuation mechanism of internal combustion engine
Diesel Engine's Air Valve generates the conventional valve liter of internal combustion engine(Main valve liter).In certain internal combustion engine low-speed run state(Such as
The idling mode of internal combustion engine), auxiliary valve is generated using partial-cylinder of the auxiliary drive mechanism in the multiple cylinders of internal combustion engine
It rises, the auxiliary valve rises the valve liter for including the air bleeding valve of internal combustion engine during compression stroke or air inlet during compression stroke
The valve liter of valve.Stop providing fuel oil to the partial-cylinder that the generation auxiliary valve rises, keeps remaining in the multiple cylinders of internal combustion engine
The main valve of cylinder rises constant and provides fuel oil for remaining described cylinder.Due to the auxiliary valve of partial-cylinder during compression stroke
It rises, cylinder drops, the piston resistance and rotation torque of internal combustion engine reduce, and can thus lower the idling of internal combustion engine, adjust
The amount of fuel that remaining cylinder risen to no generation auxiliary valve provides, reaches the new idling of internal combustion engine stable operation, the internal combustion
The new idling of machine stable operation demarcates idling less than original full cylinder of internal combustion engine, to optimize the low-speed performance of internal combustion engine.It lifts
For example, one there are six the internal combustion engines of cylinder, when original six cylinder demarcates idle running, startup auxiliary drive mechanism,
Three cylinders therein generate auxiliary valve liter, that is, during compression stroke play the holding of at least one air valve of each cylinder
It opens, deflation release, and stops providing fuel oil to three cylinders for generating auxiliary valve liter.At the same time, its of six cylinders is kept
The main valve of excess-three cylinder rises constant and provides fuel oil for its described excess-three cylinder.The rotating speed of internal combustion engine is lowered, is adjusted simultaneously
Save to it is no generation auxiliary valve rise its excess-three cylinder provide amount of fuel, reach internal combustion engine stable operation newly it is lower idle
Rotating speed.Since idle rotating speed declines, only there are three cylinder fuel consumptions in six cylinders, have reached the optimization of combustion engine energy-saving emission reduction
Target.
The present invention is compared with prior art, and effect is positive and apparent.The optimization internal combustion engine low-speed performance of the present invention
Method and mechanism novel and unique, using auxiliary drive mechanism generate internal combustion engine auxiliary valve liter, eliminate cylinder pressure, improve
The low-speed performance of internal combustion engine reduces oil consumption, reduces discharge.
The method provided by the invention for starting internal combustion engine, the internal combustion engine includes multiple cylinders, air valve, air valve actuator
And auxiliary drive mechanism, the air valve actuator generate the main valve liter of internal combustion engine, main valve liter includes that internal combustion engine is being arranged
The valve of air bleeding valve during gas stroke rises or the valve liter of intake valve during induction stroke;
1)Start engine, while using the auxiliary drive mechanism by an air valve of each cylinder of internal combustion engine extremely
It is few to stay open during compression stroke,
2)Stop providing fuel oil to all cylinders,
3)When internal-combustion engine rotational speed reaches first desired speed, auxiliary drive mechanism is deactivated, and utilize air valve actuator
So that the partial-cylinder including a cylinder is returned to main valve and rise state, while to the described part vapour for returning to main valve and rising state
Cylinder provides fuel oil.
Preferably, further include adjusting to be supplied to the amount of fuel for returning to main valve and rising the partial-cylinder of state, in holding
The rotating speed of combustion engine is the idling of internal combustion engine.
Preferably, the auxiliary drive mechanism is integrated in the air valve actuator.
Preferably, the auxiliary drive mechanism and the air valve actuator are two mutually independent air valve driving machines
Structure.
Preferably, the auxiliary drive mechanism is solid chain mechanism, and the solid chain mechanism includes a not operation
Position and an operating position, in the operating position, Gu chain mechanism forms machinery even with the air valve that auxiliary valve rises is generated
The air valve is connect and opens, in the off position, Gu chain mechanism unclamps and cancels with the air valve for generating auxiliary valve liter
With the interaction between the air valve.
Preferably, the solid chain mechanism includes a working piston, and the working piston is placed in a babinet,
The babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
The rocking arm of internal combustion engine, and
The valve bridge of internal combustion engine.
Preferably, multiple cylinders of the internal combustion engine include six cylinders, and auxiliary valve is generated in multiple cylinders
The partial-cylinder for rising and stopping offer fuel oil includes three cylinders in six cylinders.
The device provided by the invention for starting internal combustion engine, the internal combustion engine includes multiple cylinders, air valve, air valve actuator
And auxiliary drive mechanism, the air valve actuator generate the main valve liter of internal combustion engine, main valve liter includes that internal combustion engine is being arranged
The valve of air bleeding valve during gas stroke rises or the valve liter of intake valve during induction stroke, device startup are started
Machine, while at least being stayed open a valve of each cylinder during compression stroke using auxiliary drive mechanism, and stop
Fuel oil is provided to all cylinders;The device deactivates auxiliary drive machine after the rotating speed of internal combustion engine reaches the first desired speed
Structure makes the valve of the partial-cylinder including a cylinder return to main valve and rises state using air valve actuator, and to described
The partial-cylinder offer fuel oil that main valve rises state is provided.
Preferably, the device, which is adjusted, is supplied to the amount of fuel for returning to main valve and rising the partial-cylinder of state, protects
The rotating speed for holding internal combustion engine is the idling of internal combustion engine.
Preferably, the auxiliary drive mechanism is integrated in the air valve actuator.
Preferably, the auxiliary drive mechanism and the air valve actuator are two mutually independent air valve driving machines
Structure.
Preferably, the auxiliary drive mechanism is solid chain mechanism, and the solid chain mechanism includes a not operation
Position and an operating position, in the operating position, Gu chain mechanism forms machinery even with the air valve that auxiliary valve rises is generated
The air valve is connect and opens, in the off position, Gu chain mechanism unclamps and cancels with the air valve for generating auxiliary valve liter
With the interaction between the air valve.
Preferably, the solid chain mechanism includes a working piston, and the working piston is placed in a babinet,
The babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
The rocking arm of internal combustion engine, and
The valve bridge of internal combustion engine.
Preferably, multiple cylinders of the internal combustion engine include six cylinders, and auxiliary valve is generated in multiple cylinders
The partial-cylinder for rising and stopping offer fuel oil includes three cylinders in six cylinders.
The method provided by the invention for starting internal combustion engine equally has positive and apparent effect, compared with prior art,
It starts the method and mechanism novel and unique of internal combustion engine, and the auxiliary valve liter of internal combustion engine is generated using auxiliary drive mechanism, is eliminated
Cylinder pressure improves the startability of internal combustion engine.
Description of the drawings
Fig. 1 is that one embodiment of the present invention is in the schematic diagram of off position.
Fig. 2 is that one embodiment of the present invention is in the schematic diagram of operating position.
Fig. 3 is that the application one of one embodiment of the present invention is in the schematic diagram of off position.
Fig. 4 is that the application one of one embodiment of the present invention is in the schematic diagram of operating position.
Fig. 5 is that the application two of one embodiment of the present invention is in the schematic diagram of off position.
Fig. 6 is that the application two of one embodiment of the present invention is in the schematic diagram of operating position.
Fig. 7 is that second embodiment of the present invention is in the schematic diagram of off position.
Fig. 8 is that second embodiment of the present invention is in the schematic diagram of operating position.
Fig. 9 is that second embodiment of the present invention is in the vertical view of operating position.
Specific implementation mode
Scheme one, a kind of method of optimization internal combustion engine low-speed performance, the internal combustion engine includes multiple cylinders, air valve, air valve
Actuator, the air valve actuator generate the main valve liter of internal combustion engine, and the main valve liter includes internal combustion engine during exhaust stroke
The valve of air bleeding valve rises or the valve liter of intake valve during induction stroke, and the internal combustion engine further includes auxiliary drive mechanism, institute
The auxiliary valve liter that auxiliary drive mechanism generates internal combustion engine is stated, in internal combustion engine low-speed run state,
1) partial-cylinder using the auxiliary drive mechanism in the multiple cylinders of internal combustion engine generates auxiliary valve liter, described auxiliary
It includes the valve liter of the air bleeding valve of internal combustion engine during compression stroke or the valve liter of intake valve during compression stroke to help valve to rise,
2) stop providing fuel oil to the partial-cylinder that the generation auxiliary valve rises, and
3) main valve without generating remaining cylinder that auxiliary valve rises in the multiple cylinders of internal combustion engine is kept to rise constant and be institute
It states remaining cylinder and fuel oil is provided.
Scheme two, described in scheme one optimization internal combustion engine low-speed performance method on the basis of, internal combustion engine low speed operation
State includes engine idle conditions.
Scheme three, described in scheme two optimization internal combustion engine low-speed performance method on the basis of, engine idle conditions
It is zero or close to zero including internal combustion engine output torque.
Scheme four, described in scheme two or scheme three optimization internal combustion engine low-speed performance method on the basis of, internal combustion engine
Idling mode includes that engine throttle position is zero.
Scheme five, described in scheme four optimization internal combustion engine low-speed performance method on the basis of, engine idle conditions
Be including engine speed or close to calibration idling.
Scheme six, described in scheme two or scheme three optimization internal combustion engine low-speed performance method on the basis of, internal combustion engine
Idling mode include engine speed be or close to calibration idling.
On the basis of scheme seven, the method for optimization internal combustion engine low-speed performance described in scheme one, adjust to not generating
Auxiliary valve rise remaining cylinder provide amount of fuel make engine speed or close to calibration idling.
Scheme eight, described in scheme one optimization internal combustion engine low-speed performance method on the basis of, the internal combustion engine is being pressed
Air bleeding valve during contracting stroke rises or intake valve liter during compression stroke includes constant valve liter, the height that the constant valve rises
Degree is between 0.5mm and 3.0mm.
Scheme nine, described in scheme one optimization internal combustion engine low-speed performance method on the basis of, the auxiliary drive machine
Structure is integrated in the air valve actuator.
Scheme ten, described in scheme one optimization internal combustion engine low-speed performance method on the basis of, the auxiliary drive machine
Structure is two mutually independent valve actuation mechanisms with the air valve actuator.
Scheme 11, described in scheme one optimization internal combustion engine low-speed performance method on the basis of, the auxiliary drive
Mechanism is solid chain mechanism, and the solid chain mechanism includes an off position and an operating position, in the operative position
It sets, Gu chain mechanism is mechanically connected and opens the air valve with generating the air valve that auxiliary valve rises and formed, in the off position,
Gu chain mechanism and the air valve for generating auxiliary valve liter unclamp and cancel the interaction between the air valve.
On the basis of scheme 12, the method for optimization internal combustion engine low-speed performance described in scheme 11, the solid chain type
Mechanism includes a working piston, and the working piston is placed in a babinet, and the babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
Rocking arm, and
The valve bridge of internal combustion engine.
Scheme 13, described in scheme one optimization internal combustion engine low-speed performance method on the basis of, the internal combustion engine
Multiple cylinders include six cylinders, and auxiliary valve is generated in the multiple cylinder and rises and stops providing the partial-cylinder of fuel oil including institute
State three cylinders in six cylinders.
Scheme 14, the device for optimizing internal combustion engine low-speed performance, the internal combustion engine include that multiple cylinders, air valve and air valve cause
Dynamic device, the air valve actuator generate the main valve liter of internal combustion engine, and the main valve liter includes row of the internal combustion engine during exhaust stroke
The valve of air valve rises or the valve liter of intake valve during induction stroke, and described device includes auxiliary drive mechanism;In internal combustion engine
When low-speed run state, described device is generated auxiliary using partial-cylinder of the auxiliary drive mechanism in the multiple cylinders of internal combustion engine
Help valve liter, the auxiliary valve rise include the air bleeding valve of internal combustion engine during compression stroke valve liter or during compression stroke
The valve liter of intake valve;Described device stops providing fuel oil to the partial-cylinder that the generation auxiliary valve rises, while keeping internal combustion engine
The main valve without generating remaining cylinder that auxiliary valve rises in multiple cylinders rises constant and provides fuel oil for remaining described cylinder.
Scheme 15, described in scheme 14 optimization internal combustion engine low-speed performance device on the basis of, internal combustion engine low speed
Operating status includes engine idle conditions.
Scheme 16, described in scheme 15 optimization internal combustion engine low-speed performance device on the basis of, idling for internal combustion engine
State includes that internal combustion engine output torque is zero or close to zero.
Scheme 17, described in scheme 15 or scheme 16 optimization internal combustion engine low-speed performance device on the basis of,
Engine idle conditions include that engine throttle position is zero.
Scheme 18, described in scheme 17 optimization internal combustion engine low-speed performance device on the basis of, idling for internal combustion engine
State include engine speed be or close to calibration idling.
Scheme 19, described in scheme 15 or scheme 16 optimization internal combustion engine low-speed performance device on the basis of,
Engine idle conditions include engine speed be or close to calibration idling.
Scheme 20, described in scheme 14 optimization internal combustion engine low-speed performance device on the basis of, described device tune
Save to it is no generation auxiliary valve rise remaining cylinder provide amount of fuel make engine speed or close to calibration idling.
Scheme 21, described in scheme 14 optimization internal combustion engine low-speed performance device on the basis of, the internal combustion
The air bleeding valve of machine during compression stroke rises or intake valve liter during compression stroke includes constant valve liter, the constant valve
The height risen is between 0.5mm and 3.0mm.
Scheme 22, described in scheme 14 optimization internal combustion engine low-speed performance device on the basis of, the auxiliary
Driving mechanism is integrated in the air valve actuator.
Scheme 23, described in scheme 14 optimization internal combustion engine low-speed performance device on the basis of, the auxiliary
Driving mechanism is two mutually independent valve actuation mechanisms with the air valve actuator.
Scheme 24, described in scheme 14 optimization internal combustion engine low-speed performance device on the basis of, the auxiliary
Driving mechanism is solid chain mechanism, and the solid chain mechanism includes an off position and an operating position, in the behaviour
Make position, is mechanically connected Gu chain mechanism is formed with the air valve for generating auxiliary valve liter and opens the air valve, in the not operation
Position, Gu the air valve that chain mechanism and generation auxiliary valve rise unclamps and cancels the interaction between the air valve.
Scheme 25, described in scheme 24 optimization internal combustion engine low-speed performance device on the basis of, it is described solid
Chain mechanism includes a working piston, and the working piston is placed in a babinet, and the babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
Rocking arm, and
The valve bridge of internal combustion engine.
Scheme 26, described in scheme 14 optimization internal combustion engine low-speed performance device on the basis of, the internal combustion
Multiple cylinders of machine include six cylinders, and the partial-cylinder packet that auxiliary valve rises and stops providing fuel oil is generated in the multiple cylinder
Include three cylinders in six cylinders.
Scheme 27, a kind of method starting internal combustion engine, the internal combustion engine include multiple cylinders, air valve, air valve cause
Dynamic device and auxiliary drive mechanism, the air valve actuator generate the main valve liter of internal combustion engine, and main valve liter includes internal combustion engine
The valve of air bleeding valve during exhaust stroke rises or the valve liter of intake valve during induction stroke,
1)Start engine, while using the auxiliary drive mechanism by an air valve of each cylinder of internal combustion engine extremely
It is few to stay open during compression stroke,
2)Stop providing fuel oil to all cylinders,
3)When internal-combustion engine rotational speed reaches first desired speed, auxiliary drive mechanism is deactivated, and utilize air valve actuator
So that the partial-cylinder including a cylinder is returned to main valve and rise state, while to the described part vapour for returning to main valve and rising state
Cylinder provides fuel oil.
Scheme 28, described in scheme 27 startup internal combustion engine method on the basis of, further include adjust provide
To the amount of fuel for returning to main valve and rising the partial-cylinder of state, it is the idling of internal combustion engine to keep the rotating speed of internal combustion engine.
Scheme 29, described in scheme 27 startup internal combustion engine method on the basis of, the auxiliary drive
Mechanism is integrated in the air valve actuator.
Scheme 30, described in scheme 27 startup internal combustion engine method on the basis of, the auxiliary drive machine
Structure is two mutually independent valve actuation mechanisms with the air valve actuator.
Scheme 31, described in scheme 27 startup internal combustion engine method on the basis of, the auxiliary drive
Mechanism is solid chain mechanism, and the solid chain mechanism includes an off position and an operating position, in the behaviour
Make position, is mechanically connected Gu chain mechanism is formed with the air valve for generating auxiliary valve liter and opens the air valve, in the non-behaviour
Make position, Gu the air valve that chain mechanism and generation auxiliary valve rise unclamps and cancels the interaction between the air valve.
On the basis of scheme 32, the method for startup internal combustion engine described in scheme 31, the solid chain mechanism
Including a working piston, the working piston is placed in a babinet, and the babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
The rocking arm of internal combustion engine, and
The valve bridge of internal combustion engine.
Scheme 33, described in scheme 27 startup internal combustion engine method on the basis of, the internal combustion engine
Multiple cylinders include six cylinders, auxiliary valve is generated in multiple cylinders rise and stop the partial-cylinder of offer fuel oil and include
Three cylinders in six cylinders.
Scheme 34, a kind of device starting internal combustion engine, the internal combustion engine include multiple cylinders, air valve, air valve cause
Dynamic device and auxiliary drive mechanism, the air valve actuator generate the main valve liter of internal combustion engine, and main valve liter includes internal combustion engine
The valve of air bleeding valve during exhaust stroke rises or the valve liter of intake valve during induction stroke, the device start hair
Motivation, while at least being stayed open a valve of each cylinder during compression stroke using auxiliary drive mechanism, and stop
Only fuel oil is provided to all cylinders;The device deactivates auxiliary drive after the rotating speed of internal combustion engine reaches the first desired speed
Mechanism makes the valve of the partial-cylinder including a cylinder return to main valve and rises state using air valve actuator, and to described
Return to main valve rise state partial-cylinder provide fuel oil.
Scheme 35, described in scheme 34 startup internal combustion engine device on the basis of, the device adjust
It is supplied to the amount of fuel for returning to main valve and rising the partial-cylinder of state, it is the idling of internal combustion engine to keep the rotating speed of internal combustion engine.
Scheme 36, described in scheme 34 startup internal combustion engine device on the basis of, the auxiliary drive
Mechanism is integrated in the air valve actuator.
Scheme 37, described in scheme 34 startup internal combustion engine device on the basis of, the auxiliary drive
Mechanism is two mutually independent valve actuation mechanisms with the air valve actuator.
Scheme 38, described in scheme 34 startup internal combustion engine device on the basis of, the auxiliary drive
Mechanism is solid chain mechanism, and the solid chain mechanism includes an off position and an operating position, in the behaviour
Make position, is mechanically connected Gu chain mechanism is formed with the air valve for generating auxiliary valve liter and opens the air valve, in the non-behaviour
Make position, Gu the air valve that chain mechanism and generation auxiliary valve rise unclamps and cancels the interaction between the air valve.
Scheme 39, startup internal combustion engine described in scheme 38 device on the basis of, the solid chain mechanism
Including a working piston, the working piston is placed in a babinet, and the babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
The rocking arm of internal combustion engine, and
The valve bridge of internal combustion engine.
Scheme 40, described in scheme 34 startup internal combustion engine device on the basis of, the internal combustion engine it is more
A cylinder includes six cylinders, and auxiliary valve is generated in multiple cylinders and rises and stops providing the partial-cylinder of fuel oil including institute
State three cylinders in six cylinders.
Embodiment 1:
Fig. 1 to Fig. 6 is for describing embodiment one.
Fig. 1 and Fig. 2 is that one embodiment of the present invention is in the structural representation of off position and operating position respectively
Figure, auxiliary drive mechanism 100 therein are solid chain mechanism(It is carried by mechanical linkages, opens air valve), including babinet 125,
Actuating mechanism, load carrier and valve clearance regulating mechanism.In babinet 125 containing valve clearance regulating piston hole 290 and fluid channel 214 with
168.Valve clearance regulating piston 162 is mounted in valve clearance regulating piston hole 290, there is 1102 He of valve clearance adjusting bolt in 162 top of piston
Nut 1052 is fastened, piston 162 has stop bit spring 177 and clamp-screw 179, contains in piston 162 and be mutually perpendicular to and connect below
Logical startup piston hole 260 and working piston hole 190 and drain pan(Hole)169.Load carrier includes being located at working piston hole
Working piston 160 in 190, by 178 stop bit of snap ring in hole.Actuating mechanism includes starting piston 164 and spring 156.Start and lives
Plug 164 is placed in the startup piston hole 260 in valve clearance regulating piston 162, and spring 156 is placed in the one end for starting piston 164,
Start the other end of piston 164 close to fluid channel 214.It is acted on, is started by the fluid in spring 156 or fluid channel 214
The startup piston 164 of mechanism is in off-position(Fig. 1)The operating position and(Fig. 2)Between move.Inoperative position shown in Fig. 1
It sets, starts the small cylindrical surface of piston 164(Non-working surface)Positioned at the top of working piston 160, working piston 160 can be transported upwards
It is dynamic, it generates movement and loses, auxiliary drive mechanism 100 is in off position.Operating position shown in Fig. 2 starts piston 164
Big cylindrical surface(Working face)Positioned at the top of working piston 160, working piston 160 cannot move upwards, and form mechanical connection,
Auxiliary drive mechanism 100 is in operating position.
Valve clearance regulating mechanism in Fig. 1 and Fig. 2 further includes adjusting bolt 1103 and fastening nut 1053.Work as fluid channel
When there is no pressurized fluid in 214(Such as in the assembling stage of internal combustion engine), can be set by adjusting bolt 1103 by piston 164 is started
In off-position(Fig. 1).When internal combustion engine operates, adjusting bolt 1103 should from start be exited in piston hole 260 after by solid
Tight nut 1053 fastens, and ensures that operating position can be arrived at by starting piston 164(Fig. 2).
Fig. 1 and Fig. 2 is the schematic diagram of first embodiment of the invention, and many other differentiation are likely to therefrom generate.
For example, start piston 164 can have different location and shape, wherein large and small cylindrical at working face and non-work
An inclined-plane is can be merged into as face.In addition, type of drive, the direction of motion and the stop bit etc. that start piston 164 can have not
Same design.
Fig. 3 and Fig. 4 is that the application scheme one of the embodiment of the present invention one is in off position and operating position respectively
Schematic diagram.Air valve actuator 200 shown in figure includes cam 230, cam roller 235, rocking arm 210, rocker arm shaft(Or rocking arm branch
Frame)205, conventional valve clearance regulating system and valve bridge 400.Conventional valve clearance regulating system includes adjusting screw 110, fastens nut 105
With as foot pad 114.Two air valves 300 (3001 and 3002) of internal combustion engine are located at below 400 both sides of valve bridge, by the gas of internal combustion engine
Valve spring 310 (3101 and 3102) is biased on the valve seat 320 of internal combustion engine cylinders 500, prevents gas in cylinder of internal combustion engine and row
It is flowed between tracheae 600.Rocking arm 210 is mounted on rocker arm shaft 205 rock typely.One end of rocking arm 210 by idler wheel 235 with it is convex
Wheel 230 is connected, and cam 230 has conventional boss 220 on interior basic circle 225.The movement of cam 230 passes through rocking arm 210 and valve bridge
400, air-supply valve 300 is transmitted, so that them is periodically opened and closed, generates the conventional valve liter of internal combustion engine(Main valve liter).
Auxiliary drive mechanism 100 in figure is fixed on by babinet 125 on internal combustion engine, and working piston 160 is located at close to air valve
The top of the valve bridge 400 of 3001 sides(A drive pin can also be increased on air valve 3001, valve bridge 400 is passed through, with work
Piston 160 directly acts on).Auxiliary drive mechanism 100 shown in Fig. 3 is in off position(It is identical as the state of Fig. 1), bolt
1103(Assembled state)Or the pressurized fluid in fluid channel 214(Operating state)Piston 164 will be started and be placed in off-position,
Working piston 160 is located under the non-working surface for starting piston 164, unclamps with valve bridge 400, is not applied to the air valve 3001 of internal combustion engine
Add any effect(Load).The air valve 300 of internal combustion engine(3001 and 3002)Under the driving of air valve actuator 200, internal combustion is generated
The conventional valve liter of machine(Main valve liter).Pay attention to there is no mutual effect between auxiliary drive mechanism 100 at this time and air valve 300, with
The no any relationship of running of internal combustion engine.
It, can be by reducing the fluid even completely eliminated in fluid channel 214 when needing the auxiliary valve of internal combustion engine to rise
Pressure either either passes through the active force of spring 156 or synthesis from fluid channel 168 to the other end fuel feeding of startup piston
Above-mentioned different machinery or fluid means, will start piston 164 from off-position(Fig. 3)It is switched to operating position(Figure
4).The course of work risen using the generation auxiliary valve of auxiliary drive mechanism 100 can easily describe as follows.First, internal combustion engine
Air valve actuator 200 pushes down on valve bridge 400 and two air valves 300, generates the conventional valve liter of internal combustion engine(Main valve liter).Then exist
One scheduled internal-combustion engine rotational speed, by auxiliary drive mechanism 100 from off position(Fig. 3)Move on to operating position(Fig. 4), pass through
Start piston 164 and working piston 160 and formed with the air valve 3001 of valve bridge 400 and internal combustion engine and is mechanically connected, prevents to be opened
Air valve 3001 is taken a seat closing, the engine cycle except main valve liter(Especially during compression stroke)Inside stay open, it is described
The valve rise of opening is shown in Fig. 4 130, and size can be between 0.5mm and 3.0mm.
Described above is that the single cylinder of internal combustion engine generates conventional valve liter(Main valve liter)With auxiliary valve rise device and
Method.Operation for the internal combustion engine containing multiple cylinders, can be with internal combustion engine low-speed run state(Such as internal combustion engine is idle
Fast state), generate auxiliary valve liter using partial-cylinder of the auxiliary drive mechanism 100 in the multiple cylinders of internal combustion engine, and stop to
It generates the partial-cylinder that auxiliary valve rises and fuel oil is provided.At the same time, the main valve of remaining cylinder in the multiple cylinders of internal combustion engine is kept
It rises constant and provides fuel oil for remaining described cylinder.For example, the internal combustion engine of six cylinder can utilize auxiliary drive
Three cylinders therein are generated auxiliary valve liter by mechanism 100, and stop providing fuel oil to these three cylinders for generating auxiliary valve liter,
It keeps the main valve of its excess-three cylinder of internal combustion engine to rise constant simultaneously and provides fuel oil for it.Due to the air valve of wherein three cylinders
There are auxiliary valve liter, auxiliary valve liter especially during compression stroke to substantially reduce cylinder pressure and engine torque so that
Internal combustion engine is in low speed(Including idling)It is more steady when operating, also operated under idling more lower than six cylinder idling for internal combustion engine at
It is possible, optimizes the low-speed performance of internal combustion engine, reduce the consumption of fuel oil, reduce the discharge of exhaust gas.
Fig. 5 and Fig. 6 is that the application scheme two of the embodiment of the present invention one is in off position and operating position respectively
Schematic diagram.This application scheme is increased than the overhead-cam internal combustion engine in Fig. 3 and Fig. 4 and is pushed away using push-down internal combustion engine
Bar 201.In addition, auxiliary drive mechanism 100 is integrated in the rocking arm 210 of air valve actuator 200(That is, rocking arm 210 substitutes
Babinet 125).Valve clearance adjusting bolt 1102 and fastening of the adjusting of the valve clearance of auxiliary drive mechanism 100 by push rod side
Nut 1052 is realized.
Auxiliary drive mechanism 100 shown in fig. 5 is in off position(It is identical as the state of Fig. 1 and Fig. 3), bolt 1103
(Assembled state)Or the pressurized fluid in fluid channel 214(Operating state, axial hole 211 and diameter of the fluid out of rocker arm shaft 205
To hole 212, pass through the grooving 213 in rocking arm 210, incoming fluid channel 214)Piston 164 will be started and be placed in off-position, work
Make piston 160 to be located under the non-working surface for starting piston 164, be unclamped with valve bridge 400(Gap is 132;Or both between continuously
Gap, the contact of no active force), no to the air valve 3002 of internal combustion engine to apply any effect(Load).The air valve 300 of internal combustion engine
(3001 and 3002)Under the driving of air valve actuator 200, the conventional valve liter of internal combustion engine is generated(Main valve liter).Pay attention at this time auxiliary
Helping does not have mutual effect between driving mechanism 100 and air valve 300, with the no any relationship of the running of internal combustion engine.
It, can be by reducing the fluid even completely eliminated in fluid channel 214 when needing the auxiliary valve of internal combustion engine to rise
Pressure either either passes through the active force of spring 156 or synthesis from fluid channel 168 to the other end fuel feeding of startup piston
Above-mentioned different machinery or fluid means, will start piston 164 from off-position(Fig. 5)It is switched to operating position(Figure
6).Working piston 160 is located at the big cylindrical surface for starting piston 164(Working face)Lower section, the air valve with valve bridge 400 and internal combustion engine
3001 form mechanical connection, prevent to be taken a seat closings by the air valve 3002 that air valve actuator 200 is opened, the internal combustion except main valve rises
The machine period(Especially during compression stroke)It inside stays open, the valve rise of the opening is shown in fig. 6 130, size
It can be between 0.5mm and 3.0mm.
Embodiment 2:
Fig. 7 to Fig. 9 is for describing embodiment two.
Fig. 7 and Fig. 8 is that second embodiment of the present invention is in the schematic diagram of off position and operating position respectively, this
The main distinction of embodiment and embodiment one is auxiliary drive mechanism 100 openings, one air valve of embodiment one, generates auxiliary
Valve liter, and the auxiliary drive mechanism 100 of the present embodiment opens two air valves, generates auxiliary valve liter.Here working piston 160 is
The cylindrical shape of more piece combines(It can also be the combination of multiple pistons).Rocker arm shaft(Or rocker arm support)Piston hole packet in 205
Valve piston hole 190 and big piston hole 260 are included, is connected to fluid channel 211 between two piston holes.One end of spring 156 acts on
On working piston 160, the other end is placed in above spring base 179, and spring base 179 is fixed on piston hole 260 by snap ring 178
It is interior.The valve clearance adjusting bolt 1102 and fastening nut 1052 of auxiliary drive mechanism 100 are located at a protrusion of rocking arm 210
2102。
Auxiliary drive mechanism 100 shown in Fig. 7 is in off position, fluid(Such as machine oil)Stream out of rocker arm shaft 205
Body channel(Axial hole)211 flow between two piston holes of size.On working piston 160(Circumferentia between size piston hole)
Oil pressure active force be more than spring 156 active force, working piston 160 is pressed in off position as shown in Figure 7, with rocking arm
210(Adjusting bolt 1102)It unclamps(Without active force), the air valve 300 of internal combustion engine will not be given(3001 and 3002)Apply any load
Lotus.The movement of cam 230 passes through rocking arm 210(Including valve clearance regulating system), air-supply valve 300 is transmitted, the routine of internal combustion engine is generated
Valve liter(Main valve liter).There is no any interaction between solid chain mechanism 100 and air valve 300 at this time, the running with internal combustion engine
There is no any relationship.
When needing to open auxiliary drive mechanism 100, when generating the auxiliary valve liter of internal combustion engine, fluid channel 211 can be passed through
Stream is unloaded, the oil pressure reduction between two piston holes is even completely eliminated.Working piston 160 is not acted on by oil pressure, in spring
Upwards towards operating position under the action of 156.Before working piston 160 can be switched to operating position from off position,
Air valve 300 is pushed down on and is opened by the air valve actuator 200 of internal combustion engine, and rocking arm 210 does counterclockwise on rocker arm shaft 205,
When the working piston 160 in rocker arm shaft 205 is disengaged with the adjusting bolt 1102 on rocking arm 210, it is just reached outward such as Fig. 8
Shown in operating position.During returning to its seat 320 after air valve 300 is opened completely by air valve actuator 200, rocking arm
210 do revolution clockwise on rocker arm shaft 205, are in operating position(It is stretched out in from rocker arm shaft 215)Working piston 160 behaviour
Make face 141 to rest in adjusting bolt 1102, the further revolution clockwise of rocking arm 210 is prevented, in idler wheel 235 and cam 230
Between formed gap 131(Fig. 8).Working piston 160 forms mechanical linkages by rocking arm 210 and air valve 300, and prevention is caused by air valve
Air valve 300 after dynamic device 200 is opened returns to its seat 320 and closes, and stays open an amount 130.Therefore, in addition to conventional valve liter
(Main valve liter)Except, also add a kind of normally opened auxiliary valve liter, the normally opened amount 130 of air valve by working piston 160 not operation
The distance between face 140 and operating surface 141 determine.
Fig. 9 is the further adjusting bolt above obvious rocking arm 210 for describing embodiment two vertical view
1102 and rocker arm bracket(Or rocker arm shaft)The position relationship between working piston 160 in 205.Installation and adjustment bolt 1102 and fastening
The protrusion 2102 of nut 1052 can be 210 part of the whole of rocking arm, can also be assembled into it is independent on rocking arm 210
One part.
Above description contains many specific embodiments, this should not be construed so as to limit the scope of the present, and
It is as some the specific illustrations for representing the present invention, many other differentiation are likely to therefrom generate.For example, it shows here
Optimization internal combustion engine low-speed performance method and apparatus, not only can be used for drive intake valve, it is also possible to drive air bleeding valve.Again
For example, it is also possible to the method and apparatus for starting internal combustion engine.
In addition, the working piston shown here(Or start piston)That is converted between off position and operating position cuts
The system of changing includes containing the mechanical drive system having elastic component, or the fluid pressure type driving system containing Hydraulic Elements, or contain
The drive system that the combination of the pneumatically activated system or above-mentioned drive system of pneumatic element is formed.
In addition, the babinet shown here can have different types, including:The babinet that is placed on internal combustion engine or with
The opposing stationary component of internal combustion engine has regulating piston, rocking arm and valve bridge of relative motion etc. with internal combustion engine.
In addition, the solid chain mechanism shown here can also be varied, for example start the type of piston and working piston
And form, working piston can not also act directly on valve bridge, but by a connector, act directly on internal combustion engine
On air valve.
Therefore, the scope of the present invention should not be determined by above-mentioned specific illustration, but by affiliated claim and
Its law comparable right determines.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (16)
1. a kind of method of optimization internal combustion engine low-speed performance, the internal combustion engine includes multiple cylinders, air valve, air valve actuator, institute
The main valve liter that air valve actuator generates internal combustion engine is stated, the main valve liter includes the valve of air bleeding valve of the internal combustion engine during exhaust stroke
It rises or the valve liter of intake valve during induction stroke, it is characterised in that:The internal combustion engine further includes auxiliary drive mechanism, institute
The auxiliary valve liter that auxiliary drive mechanism generates internal combustion engine is stated, in internal combustion engine low-speed run state,
1) partial-cylinder using the auxiliary drive mechanism in the multiple cylinders of internal combustion engine generates auxiliary valve liter, the auxiliary valve
It includes the valve liter of the air bleeding valve of internal combustion engine during compression stroke or the valve liter of intake valve during compression stroke to rise,
2) stop providing fuel oil to the partial-cylinder that the generation auxiliary valve rises, and
3) keep the main valve without generating remaining cylinder that auxiliary valve rises in the multiple cylinders of internal combustion engine rise it is constant and for it is described its
Remaining cylinder provides fuel oil.
2. the method for optimization internal combustion engine low-speed performance as described in claim 1, it is characterised in that:Internal combustion engine low-speed run state
Including engine idle conditions.
3. the method for optimization internal combustion engine low-speed performance as described in claim 1, it is characterised in that:It adjusts and is assisted to no generation
Valve rise remaining cylinder provide amount of fuel make engine speed or close to calibration idling.
4. optimizing the device of internal combustion engine low-speed performance, the internal combustion engine includes multiple cylinders, the gentle valve actuator of air valve, the gas
Valve actuator generates the main valve liter of internal combustion engine, the main valve rise include air bleeding valve of the internal combustion engine during exhaust stroke valve liter or
The valve liter of the intake valve of person during induction stroke, it is characterised in that:Described device includes auxiliary drive mechanism;It is low in internal combustion engine
When fast operating status, described device generates auxiliary using partial-cylinder of the auxiliary drive mechanism in the multiple cylinders of internal combustion engine
Valve liter, the auxiliary valve rise include the air bleeding valve of internal combustion engine during compression stroke valve liter or during compression stroke into
The valve liter of air valve;Described device stops providing fuel oil to the partial-cylinder that the generation auxiliary valve rises, while keeping internal combustion engine more
The main valve without generating remaining cylinder that auxiliary valve rises in a cylinder rises constant and provides fuel oil for remaining described cylinder.
5. the device of optimization internal combustion engine low-speed performance as claimed in claim 4, it is characterised in that:Internal combustion engine low-speed run state
Including engine idle conditions.
6. the device of optimization internal combustion engine low-speed performance as claimed in claim 5, it is characterised in that:Engine idle conditions include
Internal combustion engine output torque is zero or close to zero.
7. such as the device of optimization internal combustion engine low-speed performance described in claim 5 or 6, it is characterised in that:Engine idle conditions
It is zero including engine throttle position.
8. the device of optimization internal combustion engine low-speed performance as claimed in claim 7, it is characterised in that:Engine idle conditions include
Engine speed be or close to calibration idling.
9. such as the device of optimization internal combustion engine low-speed performance described in claim 5 or 6, it is characterised in that:Engine idle conditions
Be including engine speed or close to calibration idling.
10. the device of optimization internal combustion engine low-speed performance as claimed in claim 4, it is characterised in that:Described device is adjusted to not having
Have generate auxiliary valve rise remaining cylinder provide amount of fuel make engine speed or close to calibration idling.
11. the device of optimization internal combustion engine low-speed performance as claimed in claim 4, it is characterised in that:The internal combustion engine is compressing
Air bleeding valve during stroke rises or intake valve liter during compression stroke includes constant valve liter, the height that the constant valve rises
Between 0.5mm and 3.0mm.
12. the device of optimization internal combustion engine low-speed performance as claimed in claim 4, it is characterised in that:The auxiliary drive mechanism
It is integrated in the air valve actuator.
13. the device of optimization internal combustion engine low-speed performance as claimed in claim 4, it is characterised in that:The auxiliary drive mechanism
It is two mutually independent valve actuation mechanisms with the air valve actuator.
14. the device of optimization internal combustion engine low-speed performance as claimed in claim 4, it is characterised in that:The auxiliary drive mechanism
For solid chain mechanism, the solid chain mechanism includes an off position and an operating position, in the operating position, Gu
Chain mechanism simultaneously opens the air valve with generating the air valve that auxiliary valve rises and formed to be mechanically connected, in the off position, Gu chain
Formula mechanism and the air valve for generating auxiliary valve liter unclamp and cancel the interaction between the air valve.
15. the device of optimization internal combustion engine low-speed performance as claimed in claim 14, it is characterised in that:The Gu Lianshijigoubao
A working piston is included, the working piston is placed in a babinet, and the babinet includes:
The babinet or the component opposing stationary with internal combustion engine being placed on internal combustion engine,
There can be the regulating piston of relative motion with internal combustion engine,
Rocking arm, and
The valve bridge of internal combustion engine.
16. the device of optimization internal combustion engine low-speed performance as claimed in claim 4, it is characterised in that:The internal combustion engine it is multiple
Cylinder includes six cylinders, and auxiliary valve is generated in the multiple cylinder and rises and stops providing the partial-cylinder of fuel oil including described six
Three cylinders in a cylinder.
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CN201924978U (en) * | 2010-12-21 | 2011-08-10 | 上海尤顺汽车部件有限公司 | Combined rocker arm device used for generating auxiliary air valve movement of engine |
CN102562214B (en) * | 2010-12-21 | 2014-10-29 | 上海尤顺汽车部件有限公司 | Compound rocker arm device used for producing auxiliary valve movement of engine |
CN102588030B (en) * | 2011-01-05 | 2016-08-10 | 上海尤顺汽车部件有限公司 | The auxiliary valve driving mechanism of electromotor |
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Address after: Fengxian District Shanghai Fengcheng town in 201411 Road No. 353 Patentee after: Shanghai Youshun Automobile Technology Co.,Ltd. Address before: Fengxian District Shanghai Fengcheng town in 201411 Road No. 353 Patentee before: Shanghai Universoon Autoparts Co.,Ltd. |