CN107060942B - A kind of compact multimode formula valve-driving system - Google Patents
A kind of compact multimode formula valve-driving system Download PDFInfo
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- CN107060942B CN107060942B CN201710420445.9A CN201710420445A CN107060942B CN 107060942 B CN107060942 B CN 107060942B CN 201710420445 A CN201710420445 A CN 201710420445A CN 107060942 B CN107060942 B CN 107060942B
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Classifications
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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
- F01L13/06—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
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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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
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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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/20—Adjusting or compensating clearance
- F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
- F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
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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
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
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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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
- F01L9/11—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column
- F01L9/12—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
- F01L9/14—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
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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
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
- F01L2013/0052—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
A kind of compact multimode formula valve-driving system belongs to engine valve actuations, becomes stroke and auxiliary braking field.It includes the first camshaft for being provided with axle sleeve, the second camshaft, changeover module and the brake switch that are provided with exhaust brake cam etc..Four stroke cam of air inlet, air inlet two-stroke cam, exhaust four stroke cam, exhaust two-stroke cam and two switching slot are set on axle sleeve.Using the axial position of two changeover module control axle sleeves, two-stroke and four-stroke seamless switching are realized；One brake switch realizes driving and the switching of braking mode.The present invention realizes that the driving of four strokes, two-stroke driving, the braking of four strokes and two-stroke brake the flexible switching of four kinds of modes, reaches high power, low oil consumption, low emission and high-effective classifying braking.The configuration of the present invention is simple is compact, high reliablity, low in cost, response quickly.
Description
Technical field
The present invention relates to a kind of compact multimode formula valve-driving systems, belong to valve actuation, become stroke and auxiliary braking
Field.
Background technique
With sharply increasing for engine ownership, energy and environment problem and travel safety problem have become restriction
One of the significant problem of China's sustainable development.Because it can effectively improve engine power output, reduction oil consumption and discharge, become
Stroke technology is concerned.Engine Downsizing (Down-size) and low speed (Down-speed) have become generally acknowledged energy conservation
The development trend of emission reduction.And when engine braking, cylinder diameter is smaller, revolving speed is lower, and braking effect is poorer.In vehicle itself Brake Energy
Power constantly weakens, and vehicle safety is increasingly valued by people, and auxiliary braking system is classified as vehicle by more and more countries
Under the overall background of one of indispensable attachment, realize that two-stroke braking mode is imperative.
In view of the above-mentioned problems, proposing the multi-mode of the partition zone optimizing engine performance within the scope of driving-braking full working scope
Engine.In the case where low-speed big drives operating condition, using two-stroke drive mode, to meet the requirement of high power output；At it
He drives under operating condition, using four stroke drive modes, to meet the requirement of low oil consumption and low emission；In the small load brake work of vehicle
Under condition, using four stroke braking modes, meet requirement when vehicle underloading, lower visite or gentle slope；Work is braked in vehicle heavy load
Under condition, using two-stroke braking mode, meet requirement when vehicle heavy duty, lower long slope or abrupt slope, realizes that high-effective classifying braking is wanted
It asks.The realization key of multimode engine is that four stroke drive mode of engine, two-stroke drive mode, four strokes can be achieved
The exploitation for the multi-mode valve-driving system that braking mode and two-stroke braking mode flexibly switch.
Since the Variabale valve actuation system of existing functionization is mostly used for the engine of four stroke drive modes, Bu Nengman
The requirement of sufficient multimode engine, therefore develop a set of high reliablity, simple and compact for structure and meet multimode engine requirement
Valve-driving system it is imperative.
Summary of the invention
It is an object of the invention to: by designing a kind of compact multimode formula valve-driving system, for realizing :(a) it is
Reach engine high power, low oil consumption, low emission and high-effective classifying braking operation, need valve-driving system to realize four punchings
Journey driving, two-stroke braking, the braking of four strokes and two-stroke drive four kinds of modes.(b) it is wanted to meet vehicle to responsiveness
It asks, especially guarantee power output is not interrupted, and to accomplish seamless switching between four stroke drive modes and two-stroke drive mode.
(c) in order to further improve the performance of engine, and early investment is reduced as far as possible, need the present invention and existing changeable air valve
Technology is mutually compatible with, it can uses existing variable valve actuator for air after directing or through fine tuning.(d) in order to expand application range,
It needs to provide different alternatives for different type of machines.(d) in order to meet the market demand, valve-driving system is needed to realize
Simple and compact for structure, reliable operation, low in cost etc.；In order to improve the versatility and replaceability of components, need each group
Part is using standard component or is designed to standalone module.
The technical scheme adopted by the invention is that: this compact multimode formula valve-driving system include exhaust valve assemblies and
Intake valve assembly, the first camshaft for being provided with axle sleeve, the second camshaft for being provided with exhaust brake cam, rocker arm, rocker arm branch
Point, air inlet side air valve bridge, changeover module, brake switch and brake switch reset spring.It is rushed on axle sleeve at least provided with air inlet four
Journey cam, air inlet two-stroke cam, exhaust four stroke cam, exhaust two-stroke cam, the first switching slot and the second switching slot.It shakes
Arm includes at least intake rocker and exhaust master rocker.Rocker arm pivot includes at least intake rocker fulcrum and exhaust master rocker fulcrum.
Changeover module includes the first changeover module and the second changeover module.Intake rocker is in contact with intake rocker fulcrum, and exhaust master shakes
Arm with exhaust master rocker fulcrum be in contact, brake switch is in contact with brake switch reset spring, intake rocker directly or by
Air inlet side air valve bridge drives intake valve assembly.It is vented master rocker and drives exhaust valve group directly or by the valve train block of exhaust side
Part, or pass through air valve bridge Component driver exhaust valve assemblies.Brake switch uses the first brake switch or the second brake switch.System
When dynamic switch is using the first brake switch, the first brake switch is in contact with brake switch reset spring, and exhaust brake cam is first
The first brake switch is driven directly or by rocker arm, then directly or by rocker arm, is finally passed directly or by the valve of exhaust side
Motion block drives exhaust valve assemblies, or finally by air valve bridge Component driver exhaust valve assemblies.Brake switch is opened using the second braking
Guan Shi adds exhaust brake rocker arm, and exhaust brake rocker arm is in contact with brake switch reset spring, and the setting of the second brake switch exists
On fixing piece or on exhaust brake rocker arm, exhaust brake cam correspondingly first passes through exhaust brake rocker arm or first passes through exhaust brake
Rocker arm and the second brake switch, then exhaust valve assemblies are driven directly or by the valve train block of exhaust side, or pass through valve again
Axle assemble drives exhaust valve assemblies.Under four stroke drive modes, intake rocker is in contact with four stroke cam of air inlet, exhaust master
Rocker arm is in contact with exhaust four stroke cam, brake switch failure.Under two-stroke drive mode, intake rocker and air inlet two are rushed
Journey cam is in contact, and exhaust master rocker is in contact with exhaust two-stroke cam, brake switch failure.In four stroke braking modes
Under, intake rocker is in contact with four stroke cam of air inlet, and exhaust master rocker is in contact with exhaust four stroke cam, brake switch work
Make.Under two-stroke braking mode, intake rocker is in contact with air inlet two-stroke cam, and exhaust master rocker and exhaust two-stroke are convex
Wheel is in contact, brake switch work.When four-stoke mode switches to two-stroke mode, the work of the first changeover module.Two-stroke mould
When formula switches to four-stoke mode, the work of the second changeover module.Changeover module includes at least telescopic pin.The retracted position of pin
By electromagnetism, the control of hydraulic or gas.Changeable air valve machine is set between any two contact jaw between cam and valve assembly
Structure.
Brake switch includes hydraulic piston type brake switch and locking-type brake switch.Hydraulic piston type brake switch is at least
Including one or two hydraulic piston, slide valve valve body, slide valve returning spring, inner elements of check valve, check valve returning spring.Or it is hydraulic
Piston type brake switch further includes the composite structure of piston bushing, slide valve bush or piston bushing and slide valve bush.Locking-type system
Dynamic switch include at least one or two second lock pistons, the first clamping block, the second clamping block, braking and locking spring, with
And brake return spring.Or locking-type brake switch further includes brake switch bushing, hydraulic lash adjusting component or brake switch
Bushing and hydraulic lash adjust the composite structure of component.First brake switch is lived using two hydraulic pistons or two lockings
Plug.Second brake switch uses a hydraulic piston or a lock piston.
When exhaust master rocker directly drives exhaust valve assemblies, exhaust valve assemblies include valve actuation input terminal and valve actuation
Input terminal.Exhaust master rocker is in contact with valve actuation input terminal, and exhaust brake rocker arm or brake switch are directly or by rocker arm
It is in contact with valve actuation input terminal.
Valve train block includes driving input terminal, braking input terminal and output end.It is vented master rocker and driving input terminal phase
Contact, exhaust brake rocker arm or brake switch are in contact directly or by rocker arm with braking input terminal, and output end drives exhaust valve
Component.
Exhaust valve assemblies also include first exhaust door component and second exhaust door component, and exhaust side valve axle assemble is using the
One valve axle assemble, duaspiracle axle assemble or third valve axle assemble.First valve axle assemble includes the first air valve bridge and the
One drive rod, for the first air valve bridge by the first drive rod of boss drive, the first air valve bridge includes the first driving input terminal and first
Air valve bridge output end, the first drive rod include the first braking input terminal and the first drive rod output end, are vented master rocker and first
Driving input terminal is in contact, and brake switch or exhaust brake rocker arm are in contact with the first braking input terminal, the output of the first air valve bridge
End and the first drive rod output end are in contact with first exhaust door component and second exhaust door component respectively.Duaspiracle axle assemble
Including duaspiracle bridge and driving rocker arm reset spring, duaspiracle bridge include second braking input terminal, second driving input terminal,
The first output end of duaspiracle bridge and duaspiracle bridge second output terminal, exhaust master rocker are in contact with the second driving input terminal,
Brake switch or exhaust brake rocker arm are in contact with the second braking input terminal, the first output end of duaspiracle bridge and duaspiracle bridge
Second output terminal is in contact with first exhaust door component and second exhaust door component respectively, and driving rocker arm reset spring and exhaust are led
Rocker arm is in contact.Third valve axle assemble includes third valve bridge and the second drive rod, and third valve bridge passes through hinged and boss
The second drive rod is driven, third valve bridge includes third driving input terminal and third valve bridge output end, the second drive rod include
Third brakes input terminal and the second drive rod output end, and exhaust master rocker drives input terminal to be in contact with third, brake switch or
Exhaust brake rocker arm and third braking input terminal are in contact, and third valve bridge output end and the second drive rod output end are respectively with the
One exhaust valve assemblies and second exhaust door component are in contact.
Cam is contacted directly or by tappet and push rod with rocker arm.First brake switch directly or by tappet and push rod with
Rocker arm contact.
The beneficial effects of the present invention are: this compact multimode formula valve-driving system mainly includes be provided with axle sleeve
One camshaft, the second camshaft, changeover module and the brake switch for being provided with exhaust brake cam.Air inlet is provided on axle sleeve
Four stroke cams, air inlet two-stroke cam, exhaust four stroke cam, exhaust two-stroke cam and two switching slot.(a) it uses
First and second changeover modules control the axial position of axle sleeve, realize two-stroke and four-stroke switching；Brake switch, which is realized, to be driven
Dynamic and braking mode switching reaches high power, low oil consumption, low emission and high-effective classifying braking.(b) seamless switching between mode,
Meet requirement of the vehicle to responsiveness, this especially meets to when switching between two-stroke drive mode and four stroke drive modes
Response quickly and power output is continuously most important.(c) by adding variable valve actuator for air, can realize in each mode can
Air valve variation event finally realizes engine better high power output, low oil consumption, low within the scope of driving-braking full working scope
The effect of discharge and high-effective classifying braking；For different type of machines, electromagnetism, the hydraulic or various ways control switch groups such as pneumatic are provided
Part has a wide range of application.(d) each component uses Integrated design, and system structure is simple and compact；Each component is using standard component or is set
Standalone module, such as brake switch are counted into, the versatility and replaceability of components are improved.System structure is simple and compact, reliable
Property it is high, low in cost, practical potentiality are high in a short time, have a good application prospect.
Detailed description of the invention
The present invention is further described with embodiment with reference to the accompanying drawing.
Fig. 1 is multi-mode valve-driving system first scheme schematic diagram.
Fig. 2 is multi-mode valve-driving system alternative plan schematic diagram.
Fig. 3 is multi-mode valve-driving system third program schematic diagram.
Fig. 4 is multi-mode valve-driving system fourth program schematic diagram.
Fig. 5 is the 5th scheme schematic diagram of multi-mode valve-driving system.
Fig. 6 is the first air valve bridge component diagram.
Fig. 7 is duaspiracle bridge schematic diagram.
Fig. 8 is third valve axle assemble schematic diagram.
Fig. 9 is axle sleeve first scheme expanded schematic diagram.
Figure 10 is axle sleeve alternative plan expanded schematic diagram.
Figure 11 is axle sleeve third program expanded schematic diagram.
Figure 12 is hydraulic piston type the first brake switch schematic diagram.
Figure 13 is hydraulic piston type the second brake switch first scheme schematic diagram.
Figure 14 is hydraulic piston type the second brake switch alternative plan schematic diagram.
Figure 15 is hydraulic piston type the second brake switch third program schematic diagram.
Figure 16 is hydraulic piston type the second brake switch fourth program schematic diagram.
Figure 17 is locked out formula the first brake switch first scheme schematic diagram.
Figure 18 is locked out formula the first brake switch alternative plan schematic diagram.
Figure 19 is locked out formula the first brake switch third program schematic diagram.
Figure 20 is locked out formula the second brake switch first scheme schematic diagram.
Figure 21 is locked out formula the second brake switch alternative plan schematic diagram.
Figure 22 is locked out formula the second brake switch third program schematic diagram.
Figure 23 is locked out formula the second brake switch fourth program schematic diagram.
Figure 24 is locked out the 5th scheme schematic diagram of the second brake switch of formula.
Figure 25 is the 5th scheme schematic diagram of the second brake switch of hydraulic piston type.
Figure 26 is valve train block schematic diagram.
Figure 27 is exhaust valve head schematic diagram when rocker arm directly drives exhaust valve.
In figure: 101, the first camshaft；102, the second camshaft；2, axle sleeve；201, exhaust brake cam；251, air inlet four
Stroke cam；252, air inlet two-stroke cam；261, exhaust four stroke cam；262, it is vented two-stroke cam；271, it first cuts
Change slot；272, the second switching slot；301, intake rocker；302, it is vented master rocker；303, exhaust brake rocker arm；401, intake rocker
Fulcrum；402, it is vented master rocker fulcrum；403, exhaust brake rocker arm pivot；5001, input terminal is driven；5002, input terminal is braked；
5003, output end；5101, valve actuation input terminal；5102, valve actuation input terminal；501, the first valve axle assemble；511,
One air valve bridge；5111, the first driving input terminal；5112, the first air valve bridge output end；512, the first drive rod；5121, the first system
Dynamic input terminal；5122, the first drive rod output end；502, duaspiracle axle assemble；521, duaspiracle bridge；5211, the second system
Dynamic input terminal；5212, the second driving input terminal；5213, the first output end of duaspiracle bridge；5214, duaspiracle bridge second is defeated
Outlet；503, air inlet side air valve bridge；611, first exhaust door component；612, second exhaust door component；621, the first inlet valve group
Part；622, the second intake valve assembly；61, HLA spool；62, HLA nonreturn valve core；63, HLA one-way valve spring；64, HLA check valve
Spring base；65, HLA valve core reseting spring；66, HLA is limited；67, HLA low pressure chamber；68, HLA high pressure chest；69, HLA valve body；
701, the first changeover module；702, the second changeover module；703, brake switch；710, hydraulic piston；710A, the first hydraulic work
Plug；710B, the second hydraulic piston；710k, piston reset spring；711, slide valve valve body；712, slide valve returning spring；713, unidirectional
Valve core；714, check valve returning spring；715, the first sprue；716, the second sprue；717, piston bushing；718, slide valve serves as a contrast
Set；719, third sprue；7110, unidirectional oil pocket；73K, brake switch reset spring；7101, brake switch drives oil circuit；
7102, brake switch draining oil circuit；7103, brake switch controls oil circuit；731, piston is driven；731A, the first driving piston；
731B, the second driving piston；732A, the first clamping block；732B, the second clamping block；733, braking and locking spring；734, driving is multiple
Position spring；735, fulcrum component bushing is driven；801, the first fixing piece；802, the second fixing piece；811, the first oil circuit；812,
Two oil circuits；9, variable valve actuator for air.
Specific embodiment
The present invention relates to a kind of compact multimode formula valve-driving systems, it includes exhaust valve assemblies and intake valve assembly.
It further include the first camshaft 101 for being provided with axle sleeve 2, the second camshaft 102 for being provided with exhaust brake cam 201, rocker arm,
Rocker arm pivot, air inlet side air valve bridge 503, changeover module, brake switch 703 and brake switch reset spring 73K.Axle sleeve 2 up to
It is provided with four stroke cam 251 of air inlet, air inlet two-stroke cam 252, exhaust four stroke cam 261, exhaust two-stroke cam less
262, the first switching slot 271 and the second switching slot 272, rocker arm include at least intake rocker 301 and exhaust master rocker 302, rocker arm
Fulcrum includes at least intake rocker fulcrum 401 and exhaust master rocker fulcrum 402, and changeover module includes 701 He of the first changeover module
Second changeover module 702.Intake rocker 301 is in contact with intake rocker fulcrum 401, exhaust master rocker 302 and exhaust master rocker
Fulcrum 402 is in contact.Brake switch 703 uses the first brake switch or the second brake switch.Brake switch 703 uses first
When brake switch, such as Fig. 1 and Fig. 5, the first brake switch is in contact with brake switch reset spring 73K.Brake switch 703 uses
When the second brake switch, such as Fig. 2-Fig. 4, exhaust brake rocker arm 303 is added, exhaust brake rocker arm 303 and brake switch reset bullet
Spring 73K is in contact, and the second brake switch is arranged on fixing piece or on exhaust brake rocker arm 303.For only one inlet valve
The engine of component, intake rocker 301 directly drive an intake valve assembly.For starting for more than one intake valve assembly
Machine, intake rocker 301 drive multiple intake valve assemblies by air inlet side air valve bridge 503.For only one exhaust valve assemblies
Engine, exhaust master rocker 302 drive exhaust valve assemblies directly or by the valve train block of exhaust side；Brake switch 703 is adopted
When with the first brake switch, exhaust brake cam 201 is first directly or by rocker arm the first brake switch of driving, then directly or by
Rocker arm finally drives exhaust valve assemblies directly or by the valve train block of exhaust side；Brake switch 703 is opened using the second braking
Guan Shi, exhaust brake cam 201 correspondingly first pass through exhaust brake rocker arm 303 or first pass through exhaust brake rocker arm 303 and second
Brake switch, then exhaust valve assemblies are driven directly or by the valve train block of exhaust side.For more than one exhaust valve assemblies
Engine, exhaust master rocker 302 passes through the multiple exhaust valve assemblies of air valve bridge Component driver of exhaust side；Brake switch 703 is adopted
When with the first brake switch, exhaust brake cam 201 is first directly or by rocker arm the first brake switch of driving, then directly or by
Rocker arm, finally by air valve bridge Component driver exhaust valve assemblies；When brake switch 703 is using the second brake switch, exhaust brake
Cam 201 correspondingly first passes through exhaust brake rocker arm 303 or first passes through exhaust brake rocker arm 303 and the second brake switch, then leads to
Cross air valve bridge Component driver exhaust valve assemblies.Cam is contacted directly or by tappet and push rod with rocker arm or the first brake switch
It is contacted directly or by tappet and push rod with rocker arm, to adapt to different engine cam placement locations.Cam and valve assembly
Between any two contact jaw between be arranged variable valve actuator for air 9.Fig. 1-Fig. 5 is five kinds of embodiments signal of the system
Figure.
Figure 27 is exhaust valve head schematic diagram when rocker arm directly drives exhaust valve.It is vented 302 row of directly driving of master rocker
When valve assembly, exhaust valve assemblies include valve actuation input terminal 5101 and valve actuation input terminal 5102.It is vented master rocker 302
It is in contact with valve actuation input terminal 5101, exhaust brake rocker arm 303 or brake switch 703 are directly or by rocker arm and valve
Braking input terminal 5102 is in contact.
Figure 26 is valve train block schematic diagram.Valve train block includes driving input terminal 5001, braking 5002 and of input terminal
Output end 5003.Exhaust master rocker 302 is in contact with driving input terminal 5001, exhaust brake rocker arm 303 or brake switch 703
It is in contact directly or by rocker arm with braking input terminal 5002, output end 5003 drives exhaust valve assemblies.
When for air inlet side or exhaust side more than one valve, need to add valve axle assemble to drive valve assembly.Such as
Intake valve assembly may include the first intake valve assembly 621 and the second intake valve assembly 622, be driven using air inlet side air valve bridge 503
Move two inlet valves.If exhaust valve assemblies also include first exhaust door component 611 and second exhaust door component 612.Exhaust side gas
Raft of pontoons component uses the first valve axle assemble 501, duaspiracle axle assemble 502 or third valve axle assemble.Such as Fig. 6, the first gas
Raft of pontoons component 501 includes the first air valve bridge 511 and the first drive rod 512, and the first air valve bridge 511 is driven by boss drive first
Bar 512, the first air valve bridge 511 include the first driving input terminal 5111 and the first air valve bridge output end 5112, the first drive rod 512
Including the first braking input terminal 5121 and the first drive rod output end 5122, it is vented master rocker 302 and the first driving input terminal
5111 are in contact, and brake switch 703 or exhaust brake rocker arm 303 are in contact with the first braking input terminal 5121, the first air valve bridge
Output end 5112 and the first drive rod output end 5122 respectively with 612 phase of first exhaust door component 611 and second exhaust door component
Contact.Such as Fig. 7, duaspiracle axle assemble 502 includes duaspiracle bridge 521 and driving rocker arm reset spring, duaspiracle bridge 521
Input terminal 5212, the first output end of duaspiracle bridge 5213 and duaspiracle are driven including the second braking input terminal 5211, second
Bridge second output terminal 5214, exhaust master rocker 302 are in contact with the second driving input terminal 5212, brake switch 703 or exhaust system
Shake arm 303 to be in contact with the second braking input terminal 5211, the first output end of duaspiracle bridge 5213 and duaspiracle bridge second
Output end 5214 is in contact with first exhaust door component 611 and second exhaust door component 612 respectively, driving rocker arm reset spring with
Exhaust master rocker 302 is in contact.Such as Fig. 8, third valve axle assemble includes third valve bridge 531 and the second drive rod 532, third
For air valve bridge 531 by hinged and the second drive rod of boss drive 532, third valve bridge 531 includes that third drives input terminal 5311
With third valve bridge output end 5312, the second drive rod 532 includes third braking input terminal 5321 and the second drive rod output end
5322, exhaust master rocker 302 and third drive input terminal 5311 to be in contact, brake switch 703 or exhaust brake rocker arm 303 and the
Three braking input terminals 5321 are in contact, third valve bridge output end 5312 and the second drive rod output end 5322 respectively with first row
Valve assembly 611 and second exhaust door component 612 are in contact.
Under four stroke drive modes, intake rocker 301 is in contact with four stroke cam 251 of air inlet, is vented master rocker 302
It is in contact with exhaust four stroke cam 261, brake switch 703 fails.Under two-stroke drive mode, intake rocker 301 with into
Gas two-stroke cam 252 is in contact, and exhaust master rocker 302 is in contact with exhaust two-stroke cam 262, and brake switch 703 fails.
Under four stroke braking modes, intake rocker 301 is in contact with four stroke cam 251 of air inlet, exhaust master rocker 302 and exhaust four
Stroke cam 261 is in contact, and brake switch 703 works.Under two-stroke braking mode, intake rocker 301 and air inlet two-stroke
Cam 252 is in contact, and exhaust master rocker 302 is in contact with exhaust two-stroke cam 262, and brake switch 703 works.Setting braking
Switch reset spring 73K purpose be brake switch 703 fail, i.e., under drive mode, exhaust brake cam 201 always with system
Dynamic switch 703 is in contact, and avoids with the rotation of the second camshaft 102 and with the opening and closing of exhaust valve, occur components it
Between collision.Four stroke cam 251 of air inlet realizes that inlet valve is opened in intake and exhaust near top dead center, attached in back to back lower dead center
It is close to close；Exhaust four stroke cam 261 realizes that exhaust valve is opened near exhaust bottom dead center, in back to back intake and exhaust top dead centre
Nearby close；Air inlet two-stroke cam 252 realizes that inlet valve opens and closes near each lower dead center；It is real to be vented two-stroke cam 262
Existing exhaust valve opens and closes near each lower dead center；Exhaust brake cam 101 realizes that exhaust valve is opened and closed in each near top dead center.This
Invention realizes two-stroke and four-stroke seamless switching using the axial position using two changeover module control axle sleeves；One
Brake switch realizes driving and the switching of braking mode.
Changeover module includes at least telescopic pin.The retracted position of pin is controlled by electromagnetism, hydraulic or gas.In Fig. 4, cut
Change traditional plunger matching parts that component is controlled using hydraulic or gas.First changeover module 701 is connected with the first oil circuit 811, and second
Changeover module 702 is connected with the second oil circuit 812, controls the pressure state of the two oil circuits respectively using two control valves.When cutting
When changing component operation, pin stretches out；When changeover module does not work, pin keeps retracted mode.Definition: the first changeover module 701 is right
The pin answered is pin 1, and the corresponding pin of the second changeover module 702 is pin 2.
According to the public basic circle section of cam used by be switched both of which, maximum changeable section is determined.According to
Circumferential position, the direction of rotation of camshaft and the week of switching mechanism of the contact point (cam output point) of cam and subsequent parts
To position, the impulsive of switching slot is determined.When any one described condition changes, need to adjust other conditions.Therefore, in reality
In the case of border, need to determine the public basic circle section of cam, the direction of rotation of camshaft and cam output point according to practical type
Circumferential position, adjust the impulsive of switching slot and the circumferential position of switching mechanism.In the embodiment that the present invention lists, the
One camshaft 101 is rotation counterclockwise, and the second camshaft 102 is to rotate clockwise, and the circumferential position of changeover module uses two kinds
Different scheme, such as Fig. 9 and Figure 11.In addition, the first and second switching slot can be separated from each other, such as Fig. 9 and Figure 11；Pass through merging
The two, can be integrally combined, such as Figure 10 by the public direction section of the two.
When four-stoke mode switches to two-stroke mode, the first changeover module 701 work, pin 1 reaches the first switching slot
In 271, with the rotation of the first camshaft 101, pin 1 push axle sleeve 2 be moved to the left, drive intake rocker 301 cam by into
Four stroke cam 251 of gas switches to air inlet two-stroke cam 252, drives the cam of exhaust rocker arm 302 by exhaust four stroke cam
261 switch to exhaust two-stroke cam 262.When two-stroke mode switches to four-stoke mode, the work of the second changeover module 702,
Pin 2 reaches in the second switching slot 272, with the rotation of the first camshaft 101, pin 2 push axle sleeve 2 move right, drive into
The cam of gas rocker arm 301 switches to four stroke cam 251 of air inlet by air inlet two-stroke cam 252, drives the convex of exhaust rocker arm 302
Wheel switches to exhaust four stroke cam 261 by exhaust two-stroke cam 262.Note: in system schematic, being moved towards paper outside
It moves to be moved to the left, otherwise to move right.
From the foregoing, it can be seen that realizing four-stoke mode and two-stroke mode by the state for controlling each changeover module.Work as switching
Component operation after corresponding pin reaches in switching slot, is switched in a circulation between mode and is completed, this drives mould to two-stroke
Meet response quickly when switching between formula and four stroke drive modes and power output is continuously most important.
Brake switch includes hydraulic piston type brake switch and locking-type brake switch.Hydraulic piston type brake switch is at least
Bullet is replied including one or two hydraulic piston, slide valve valve body 711, slide valve returning spring 712, inner elements of check valve 713, check valve
Spring 714.The purpose that the first sprue 715 is arranged is to guarantee that inner elements of check valve 713 and check valve returning spring 714 may be mounted at cunning
In valve body 711, and form unidirectional oil pocket 7110.In Figure 12, Figure 13 and Figure 16, the slide valve of 713 outlet side of inner elements of check valve
First sprue 715 is set on valve body 711, and the first sprue is arranged on the slide valve valve body 711 of 713 entrance side of inner elements of check valve in Figure 14
715.In Fig. 1-Figure 16, the purpose of the second sprue 716 of setting be the dismounting for guaranteeing slide valve valve body 711 and slide valve returning spring 712,
It serves as the fixed spring seat of slide valve returning spring 712 and guarantees that 7102 oil circuits of brake switch draining oil circuit are unimpeded.Figure 15 is in list
Third sprue 719 is set into the brake switch of 713 entrance side of valve core control oil circuit 7103, the purpose is to take on one-way valve
Limit and guarantee brake switch control oil circuit 7103 of the core 713 in the case where check valve is in the closed position are unimpeded.Figure 25 is hydraulic
The 5th scheme schematic diagram of the second brake switch of piston type controls the oil circuit direction of oil circuit 7103 by changing brake switch, and
Inner elements of check valve 713 is limited using fixing piece or slide valve bush 718, so as to cancel third sprue 719.Pass through
Change the oil circuit direction of brake switch control oil circuit 7103, and using fixing piece or slide valve bush 718 come to inner elements of check valve
713 are limited, so as to cancel third sprue 719.Figure 12 is hydraulic piston type the first brake switch schematic diagram, for such as
Fig. 1 and multi-mode valve-driving system scheme shown in fig. 5.It has there are two hydraulic piston, i.e. the first hydraulic piston 710A and
Second hydraulic piston 710B, exhaust brake cam 201 are in contact with the second hydraulic piston 710B, the first hydraulic piston 710A and row
The braking input terminal of gas side valve axle assemble is in contact, and the first hydraulic piston 710A also connects with brake switch reset spring 73K
Touching.Figure 13-Figure 16 is four kinds of scheme schematic diagrames of the second brake switch of hydraulic piston type respectively, for as shown in figs 2-4
The case where exhaust brake rocker arm 303, it has a hydraulic piston 710, and the contact object of the output end of hydraulic piston 710 is by making
The position of dynamic switch 703 determines that brake switch reset spring 73K is in contact with exhaust brake rocker arm 303.Hydraulic piston type
Brake switch can also include the combination knot of piston bushing 717, slide valve bush 718 or piston bushing 717 and slide valve bush 718
Structure.Figure 16 is to include the case where piston bushing 717 and slide valve bush 718.Piston bushing 717 or slide valve bush 718 equally improve
The versatility and replaceability of components.
When brake switch control oil circuit 7103 is low pressure oil, slide valve returning spring 712 keeps slide valve valve body 711 to be in mistake
Position is imitated, check valve returning spring 714 keeps inner elements of check valve 713 in the closed position, at this point, brake switch drives oil circuit
7101 are connected with brake switch draining oil circuit 7102, and brake switch control oil circuit 7103 is ended, and hydraulic piston is in fail bit
It sets, i.e. the first brake switch failure.When brake switch control oil circuit 7103 is switched to high pressure oil, 712 quilt of slide valve returning spring
Compression, slide valve valve body 711 are moved to operating position, and brake switch draining oil circuit 7102 is ended, 714 quilt of check valve returning spring
Compression, brake switch control the hydraulic oil in oil circuit 7103 and are driven by brake check valve and unidirectional oil pocket 7110 and brake switch
After oil circuit 7101, hydraulic piston is pushed to run to operating position, i.e. the first brake switch work.When brake switch controls oil circuit
7103 when being switched to low pressure oil again, and slide valve returning spring 712 pushes slide valve valve body 711 to be moved to invalid position, at this point, braking
Switch driving oil circuit 7101 is connected again with brake switch draining oil circuit 7102, and brake switch control oil circuit 7103 is cut again
It only, further include living for Figure 13 under the action of valve spring, brake switch reset spring 73K and exhaust brake cam 201
The effect of reset spring 710k is filled in, operational failure position, i.e. the first brake switch fail hydraulic piston again again.For Figure 12
For, above-mentioned piston includes the first hydraulic piston 710A and the second hydraulic piston 710B, for Figure 13 to Figure 16, above-mentioned work
Plug is hydraulic piston 710.
Locking-type brake switch includes at least one or two second lock pistons, the first clamping block 732A, the second lock
Determine block 732B, braking and locking spring 733 and brake return spring 734.Figure 17-Figure 19 is locked out the braking of formula first respectively and opens
The three kinds of scheme schematic diagrames closed, for multi-mode valve-driving system scheme as shown in Figure 1 and Figure 5.It is locked there are two having
Piston, i.e. the first lock piston 731A and the second lock piston 731B, exhaust brake cam 201 and the second lock piston 731B phase
Contact, the first lock piston 731A are in contact with the braking input terminal of exhaust side valve axle assemble, and the first lock piston 731A is also
It is in contact with brake switch reset spring 73K.Figure 20-Figure 24 is locked out five kinds of scheme schematic diagrames of the second brake switch of formula, uses
In the exhaust brake rocker arm 303 as shown in figs 2-4 the case where.It has a lock piston 731, lock piston 731 it is defeated
The contact object of outlet determines by the position of brake switch 703, brake switch reset spring 73K and exhaust brake rocker arm
303 are in contact.Locking-type brake switch can also include brake switch bushing 735, hydraulic lash adjusting component or brake switch
Bushing 735 and hydraulic lash adjust the composite structure of component.Brake switch bushing 735 improves the versatility and Ke Geng of components
It is transsexual.When adding hydraulic lash adjusting component, brake switch increases under the premise of guaranteeing valve-driving system transmitting power
Automatic compensation reduces impact, mentions since processing, assembly, abrasion, cold conditions and hot temperature change etc. lead to the function of valve clearance
The service life of high each part reduces noise to improve engine operation reliability, reduces vibration.
For the first brake switch of locking-type, such as Figure 17-Figure 19.When brake switch control oil circuit 7103 is high pressure oil
When, braking and locking spring 733 is compressed, and the first clamping block 732A and the second clamping block 732B push inwardly fortune by hydraulic oil
Row, final second clamping block 732B is pulled to be in the first lock piston 731A and the second lock piston 731B simultaneously, i.e., and the
One lock piston 731A and the second lock piston 731B is locked into one, i.e. the first brake switch of locking-type works.Work as braking
When switch control oil circuit 7103 is low pressure oil, under the action of braking and locking spring 733, the first clamping block 732A and the second clamping block
732B is pushed and is run outward, and final second clamping block 732B is completely in the second lock piston 731B, the first clamping block
732A is completely in the first lock piston 731A, i.e. the movement of the first lock piston 731A and the fortune of the second lock piston 731B
Dynamic mutually indepedent, i.e., the first brake switch of locking-type fails.For the second brake switch of locking-type, such as Figure 20-Figure 24.When
When brake switch control oil circuit 7103 is high pressure oil, braking and locking spring 733 is compressed, the locking of the first clamping block 732A and second
By hydraulic oil promotion inwardly operation, final second clamping block 732B is pulled to while in lock piston 731 and outside block 732B
In shell, i.e., lock piston 731 and shell are locked into one, i.e. the second brake switch of locking-type works.When brake switch controls
When oil circuit 7103 is low pressure oil, under the action of braking and locking spring 733, the first clamping block 732A and the second clamping block 732B quilt
It pushes and runs outward, final second clamping block 732B is completely in shell, and the first clamping block 732A is completely in lock piston
In 731, i.e. the movement of lock piston 731 and the movement of shell is mutually indepedent, i.e., the second brake switch of locking-type fails.For lock
The second brake switch of fixed pattern is arranged when on exhaust brake rocker arm 303, and above-mentioned shell is exhaust brake rocker arm 303；Locking-type
Two brake switches are arranged when on fixing piece, and above-mentioned shell is fixing piece.
For the brake switch 703 being mounted in fixing piece, reduces the movement parts quantity of valve-driving system, reduces
Its quality realizes low energy consumption.In the present invention, dynamic sealing is sealed using conventional plunger couple, and static seal is using conventional hermetic circle etc.
Sealing means not only guarantee zero leakage, but also low in cost.
Therefore switching mechanism is by the axial position of control axle sleeve 2, realize two-stroke mode and four-stoke mode it
Between switching；Brake switch 703 then realizes the switching between drive mode and braking mode.Switching mechanism and brake switch
703 match realize four stroke drive modes, two-stroke drive mode, four stroke braking modes and two-stroke braking mode it
Between switching, reach high power, low oil consumption, low emission and high-effective classifying braking.Axis, which moves formula switching mode, can realize nothing between mode
Seaming and cutting are changed, and requirement of the vehicle to responsiveness is met, this especially cuts between two-stroke drive mode and four stroke drive modes
Meet response quickly when changing and power output is continuously most important.The present invention, can be at every kind also by adding variable valve actuator for air 9
Changeable air valve event is realized under mode, finally realizes engine better high power within the scope of driving-braking full working scope
The effect of output, low oil consumption, low emission and high-effective classifying braking.The components such as brake switch use Integrated design, system structure letter
Versatility and replaceability single compact and that improve components.This system is simple and compact for structure, high reliablity, at low cost
Honest and clean, low energy consumption, zero leakage, practical potentiality are high in a short time, have a good application prospect.
Claims (9)
1. a kind of compact multimode formula valve-driving system, it includes exhaust valve assemblies and intake valve assembly, it is characterized in that: it is also
Including be provided with the first camshaft (101) of axle sleeve (2), the second camshaft (102) for being provided with exhaust brake cam (201),
Rocker arm, rocker arm pivot, air inlet side air valve bridge (503), changeover module, brake switch (703) and brake switch reset spring
(73K)；At least provided with four stroke cam of air inlet (251), air inlet two-stroke cam (252), four punching of exhaust on the axle sleeve (2)
Journey cam (261), exhaust two-stroke cam (262), the first switching slot (271) and the second switching slot (272), the rocker arm is at least
Including intake rocker (301) and exhaust master rocker (302), the rocker arm pivot includes at least intake rocker fulcrum (401) and arranges
Gas master rocker fulcrum (402), the changeover module include the first changeover module (701) and the second changeover module (702)；It is described into
Gas rocker arm (301) is in contact with intake rocker fulcrum (401), and exhaust master rocker (302) connects with exhaust master rocker fulcrum (402)
Touching, intake rocker (301) drive intake valve assembly directly or by air inlet side air valve bridge (503)；It is direct to be vented master rocker (302)
Or exhaust valve assemblies are driven by valve train block, or pass through air valve bridge Component driver exhaust valve assemblies；The brake switch
(703) the first brake switch or the second brake switch are used；When the brake switch (703) uses the first brake switch, the
One brake switch is in contact with brake switch reset spring (73K), and exhaust brake cam (201) first drives directly or by rocker arm
First brake switch, then directly or by rocker arm, exhaust valve assemblies finally are driven directly or by the valve train block of exhaust side,
Or finally by air valve bridge Component driver exhaust valve assemblies；When the brake switch (703) uses the second brake switch, the row of adding
Gas brake rocker arm (303), exhaust brake rocker arm (303) are in contact with brake switch reset spring (73K), and the second brake switch is set
Set on fixing piece or exhaust brake rocker arm (303) on, exhaust brake cam (201) correspondingly first passes through exhaust brake rocker arm
(303) or exhaust brake rocker arm (303) and the second brake switch are first passed through, then is driven directly or by the valve train block of exhaust side
Dynamic exhaust valve assemblies, or pass through air valve bridge Component driver exhaust valve assemblies again；Under four stroke drive modes, intake rocker
(301) it being in contact with four stroke cam of air inlet (251), exhaust master rocker (302) is in contact with exhaust four stroke cam (261),
Brake switch (703) failure；Under two-stroke drive mode, intake rocker (301) connects with air inlet two-stroke cam (252)
Touching, exhaust master rocker (302) are in contact with exhaust two-stroke cam (262), brake switch (703) failure；It is braked in four strokes
Under mode, intake rocker (301) is in contact with four stroke cam of air inlet (251), is vented master rocker (302) and exhaust four stroke is convex
Wheel (261) is in contact, brake switch (703) work；Under two-stroke braking mode, intake rocker (301) and air inlet two-stroke
Cam (252) is in contact, and exhaust master rocker (302) is in contact with exhaust two-stroke cam (262), brake switch (703) work；
When four-stoke mode switches to two-stroke mode, the first changeover module (701) work；Two-stroke mode switches to four-stoke mode
When, the second changeover module (702) work.
2. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: the changeover module is extremely
It less include telescopic pin；The retracted position of the pin is controlled by electromagnetism, hydraulic or gas.
3. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: the brake switch packet
Include hydraulic piston type brake switch and locking-type brake switch；The hydraulic piston type brake switch includes at least one or two
Hydraulic piston, slide valve valve body (711), slide valve returning spring (712), inner elements of check valve (713), check valve returning spring (714)；
Or the hydraulic piston type brake switch further includes piston bushing (717), slide valve bush (718) or piston bushing (717) and slides
The composite structure of valve liner (718)；The locking-type brake switch includes at least one or two second lock pistons, first
Clamping block (732A), the second clamping block (732B), braking and locking spring (733) and brake return spring (734)；Or it is described
Locking-type brake switch further includes brake switch bushing (735), hydraulic lash adjusting component or brake switch bushing (735) and liquid
Press the composite structure of gap adjustment component；First brake switch uses two hydraulic pistons or two lock pistons；Institute
The second brake switch is stated using a hydraulic piston or a lock piston.
4. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: the exhaust master rocker
(302) when directly driving exhaust valve assemblies, the exhaust valve assemblies include that valve actuation input terminal (5101) and valve actuation are defeated
Enter end (5102)；Exhaust master rocker (302) is in contact with valve actuation input terminal (5101), exhaust brake rocker arm (303) or system
Dynamic switch (703) is in contact directly or by rocker arm with valve actuation input terminal (5102).
5. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: the valve train block
Including driving input terminal (5001), braking input terminal (5002) and output end (5003)；It is vented master rocker (302) and driving inputs
End (5001) is in contact, and exhaust brake rocker arm (303) or brake switch (703) are directly or by rocker arm and braking input terminal
(5002) it is in contact, output end (5003) drives exhaust valve assemblies.
6. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: the exhaust valve assemblies
It also include first exhaust door component (611) and second exhaust door component (612), the exhaust side valve axle assemble uses the first gas
Raft of pontoons component (501), duaspiracle axle assemble (502) or third valve axle assemble；The first valve axle assemble (501) includes
First air valve bridge (511) and the first drive rod (512), the first air valve bridge (511) pass through the first drive rod of boss drive (512),
First air valve bridge (511) includes the first driving input terminal (5111) and the first air valve bridge output end (5112), the first drive rod
It (512) include the first braking input terminal (5121) and the first drive rod output end (5122), exhaust master rocker (302) is driven with first
Dynamic input terminal (5111) are in contact, and brake switch (703) or exhaust brake rocker arm (303) and first brake input terminal (5121) phase
Contact, the first air valve bridge output end (5112) and the first drive rod output end (5122) respectively with first exhaust door component (611)
It is in contact with second exhaust door component (612)；The duaspiracle axle assemble (502) includes duaspiracle bridge (521) and driving
Rocker arm reset spring, duaspiracle bridge (521) include the second braking input terminal (5211), the second driving input terminal (5212), the
Two the first output ends of air valve bridge (5213) and duaspiracle bridge second output terminal (5214), exhaust master rocker (302) are driven with second
Dynamic input terminal (5212) are in contact, and brake switch (703) or exhaust brake rocker arm (303) and second brake input terminal (5211) phase
Contact, the first output end of duaspiracle bridge (5213) and duaspiracle bridge second output terminal (5214) respectively with first row valve group
Part (611) and second exhaust door component (612) are in contact, and driving rocker arm reset spring is in contact with exhaust master rocker (302)；Institute
Stating third valve axle assemble includes third valve bridge (531) and the second drive rod (532), and third valve bridge (531) passes through hinged
With the second drive rod of boss drive (532), third valve bridge (531) includes third driving input terminal (5311) and third valve bridge
Output end (5312), the second drive rod (532) include that third brakes input terminal (5321) and the second drive rod output end (5322),
Exhaust master rocker (302) is in contact with third driving input terminal (5311), brake switch (703) or exhaust brake rocker arm (303)
It is in contact with third braking input terminal (5321), third valve bridge output end (5312) and the second drive rod output end (5322) point
It is not in contact with first exhaust door component (611) and second exhaust door component (612).
7. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: the cam and valve
Variable valve actuator for air (9) are set between any two contact jaw between component.
8. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: the cam directly or
It is contacted by tappet and push rod with rocker arm.
9. a kind of compact multimode formula valve-driving system according to claim 1, it is characterized in that: first braking is opened
Pass is contacted directly or by tappet and push rod with rocker arm.
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| CN201710420445.9A CN107060942B (en) | 2017-06-07 | 2017-06-07 | A kind of compact multimode formula valve-driving system |
| PCT/CN2018/086443 WO2018223803A1 (en) | 2017-06-07 | 2018-05-11 | Compact multi-mode valve driving system |
| JP2019566934A JP7061395B2 (en) | 2017-06-07 | 2018-05-11 | Multimode valve drive system |
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| CN201710420445.9A CN107060942B (en) | 2017-06-07 | 2017-06-07 | A kind of compact multimode formula valve-driving system |
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| CN107060942A CN107060942A (en) | 2017-08-18 |
| CN107060942B true CN107060942B (en) | 2019-04-09 |
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| CN107060942B (en) * | 2017-06-07 | 2019-04-09 | 大连理工大学 | A kind of compact multimode formula valve-driving system |
| DE102017009541A1 (en) * | 2017-10-13 | 2019-04-18 | Daimler Ag | Valve drive for an internal combustion engine of a motor vehicle |
| CN107701305B (en) * | 2017-11-05 | 2019-12-27 | 南京理工大学 | Free piston engine with variable stroke |
| CN108071442B (en) * | 2017-11-29 | 2021-04-09 | 大连理工大学 | Variable-mode valve mechanism |
| WO2019228671A1 (en) * | 2018-05-31 | 2019-12-05 | Eaton Intelligent Power Limited | Primary and auxiliary variable valve actuation valvetrain |
| EP3807503A1 (en) * | 2018-06-12 | 2021-04-21 | Eaton Intelligent Power Limited | Two stroke engine braking via cylinder deactivation and late intake valve closing |
| EP3821113A1 (en) * | 2018-07-13 | 2021-05-19 | Eaton Intelligent Power Limited | Type ii valvetrains to enable variable valve actuation |
| CN109736912B (en) * | 2018-12-11 | 2021-04-02 | 大连理工大学 | Multi-mode valve mechanism and control method thereof |
| CN109488403B (en) * | 2018-12-11 | 2021-04-30 | 大连理工大学 | Multi-mode valve mechanism and control method thereof |
| CN109488404B (en) * | 2018-12-11 | 2021-07-06 | 大连理工大学 | Multi-mode valve mechanism and control method thereof |
| CN109488405B (en) * | 2018-12-11 | 2021-04-30 | 大连理工大学 | Multi-mode valve mechanism and control method thereof |
| CN109469527B (en) * | 2018-12-11 | 2021-06-08 | 大连理工大学 | Multi-mode valve mechanism and control method thereof |
| CN109915223B (en) * | 2019-03-27 | 2021-01-05 | 大连理工大学 | Compact high-reliability multi-mode valve actuating mechanism |
| CN109958494A (en) * | 2019-03-27 | 2019-07-02 | 大连理工大学 | A kind of compact high efficient multi-mode valve actuating mechanism |
| WO2020211981A1 (en) | 2019-04-17 | 2020-10-22 | Eaton Intelligent Power Limited | Rocker arm assembly with lost motion spring capsule |
| WO2020221477A1 (en) * | 2019-04-29 | 2020-11-05 | Eaton Intelligent Power Limited | Type ii paired hydraulics engine brake |
| CN111894697A (en) * | 2020-09-01 | 2020-11-06 | 大连理工大学 | High-efficient multistage arrestment mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018223803A1 (en) | 2018-12-13 |
| CN107060942A (en) | 2017-08-18 |
| JP7061395B2 (en) | 2022-04-28 |
| JP2020523513A (en) | 2020-08-06 |
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