CN107327348A - Automobile engine lower resistance gliding system - Google Patents
Automobile engine lower resistance gliding system Download PDFInfo
- Publication number
- CN107327348A CN107327348A CN201610292079.9A CN201610292079A CN107327348A CN 107327348 A CN107327348 A CN 107327348A CN 201610292079 A CN201610292079 A CN 201610292079A CN 107327348 A CN107327348 A CN 107327348A
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- China
- Prior art keywords
- circulation
- rocking arm
- valve
- synchronous
- piston hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0242—Variable control of the exhaust valves only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The present invention is a kind of automobile engine lower resistance gliding system；The system enters in automobile hangs after shelves slide, and change is circulated rocking arm and exhaust valve rocker and link together shakes, so that exhaust valve rocker had both obeyed the driving of exhaust cam or obeyed the driving for becoming and circulating cam.Engine is set to become two-stroke cycle by four-stroke cycle；In the case where not changing former driver behavior custom, cause engine drag drop minimum, to reduce driving oil consumption, but also do not influence the braking reliability of former car；As long as stepping on the throttle pedal or clutch riding boogie board or braking riding boogie board, engine becomes four-stroke cycle by two-stroke cycle automatically again.
Description
One, technical fields
The present invention relates to a kind of automobile engine lower resistance gliding system, its effect is that the four-stroke cycle for making engine is operated at
Become two-stroke cycle operating during automobile slide, i.e., in automobile slide, cycle of engine operating becomes air-breathing during descent of piston,
The two-stroke cycle operating being vented when piston is enterprising, to reduce engine drag during automobile slide automatically, so as to not change original
Driving oil consumption is reduced on the premise of car brake efficiency and reliability.
Two, background technologies
At present, in known motoring condition, especially truck, its sliding state accounts for automobile total run time or traveling
More than the 30% of mileage, the method for engine drag is reduced in sliding state to be had：Idling neutral gear is slided, and forced idling hangs shelves cunning
OK, close engine neutral gear to slide, close throw the engine into gear and slide, close throw the engine into gear stepping on clutch and slide.
Various sliding modes all respectively have unsatisfactory part：
Idling neutral position sliding, engine is operated under idling, and this method coasting distance is long, and oil-saving effect is preferable, but period engine is still
Though idling oil consumption, starts to need to carry out operation out of supply, terminates to need to carry out hanging shelves operation, electricity generation efficiency, efficiency of air conditioner maintains idle
Fast region.
Forced idling, which is put into gear, to be slided, and no requirement (NR) in operation, braking reliability is constant, but coasting distance is short, and fuel-economizing is not obvious.
Close engine neutral gear to slide, be that gear lever is put into neutral gear position, by engine misses, when that need not slide again
Engine is started, gear lever is linked into appropriate gear.This pattern slided can save idle oil consumption when sliding, fuel-economizing effect
It is really good.Have the disadvantage：Troublesome poeration, reduces vehicle braking reliability, does not generate electricity, without air-conditioning.
Close throw the engine into gear to slide, very important person's industry control engine is opened, guard's valve, troublesome poeration, and coasting distance is short, fuel-economizing
It is unobvious.
Close throw the engine into gear stepping on clutch pedal to slide, make reasonable match system disengagement, shift gear invariant position will start
Machine coasting with engine off, opens ignition switch therebetween, when should not slide, while traveling can be continued by lifting clutch pedal.This method section
Oily effect is good, easy to use, and shortcoming is the increase in labor intensity, and to wearing and tearing larger from release bearing containing device, increases event
Barrier rate does not generate electricity, without air-conditioning so as to increase automobilism cost during sliding.
The three, content of the invention
In order to overcome many disadvantages of the existing present automobile in sliding state, the present invention provides a kind of automobile engine lower resistance and slided
Row system, when the system can make automobile into extension shelves sliding state, automobile engine circulation pattern capable of automatic changing, by original：
Air-breathing, compression, burning splash rise, the four-stroke cycle Mode change that is vented into：Air-breathing, exhaust, air-breathing, the two-stroke of exhaust
Circulation pattern.
The technical solution adopted by the present invention is：By camshaft, first row valve rocker, second row valve rocker, become circulation rocking arm,
Retaining spring, timing piston, the first synchronous piston, the second synchronous piston, stop piston, back-moving spring, hollow rocker arm shaft,
Machine oil pipe, magnetic valve, electronic oil pump, pressure maintaining valve, change circulating controling circuit composition.
When engine is in power output, the exhaust cam in camshaft makes exhaust valve exist by driving exhaust valve rocker to shake
Opened during instroke, cylinder exhaust；Change circulation actuated by cams in camshaft becomes circulation rocking arm and makees invalid freely to shake.
When automobile enters extension shelves sliding state and needs to reduce engine running resistance, as long as driver's not accelerator pedal, clutch
Device pedal, brake pedal, engine are to be automatically stopped fuel oil supply, become circulating controling circuit and make electronic oil pump pump out machine in good time
Oil, to promote timing piston so as to promote the first synchronous piston, the second synchronous piston, makes first row valve rocker, second exhaust
After door rocking arm and change circulation rocking arm are connected, both made exhaust valve in engine original exhaust punching with the exhaust cam driving in camshaft
Opened during journey；Also actuated by cams is circulated with the change in camshaft, exhaust valve is also kept it turned in former compression stroke, by cylinder
Outside interior air discharge cylinder, engine is made, without the air in compression cylinder, to reduce the used of consumption automobile in former compression stroke
Property kinetic energy, exhaust valve is closed when former compression stroke ends；Splash and rise after stroke starts in original, become circulation cam and drive again and becomes circulation
Rocking arm, first row valve rocker, second row valve rocker make exhauxt valve opens to reduce the negative pressure resistance of descent of piston, in original again
When expansion stroke is nearly ended, become circulation cam and disengaged with becoming circulation rocking arm.When automobile is in non-extension shelves sliding state,
Become circulating controling circuit makes electronic oil pump stop pumping out machine oil in good time, and sheds oil pressure, immediately the first synchronous piston, second same
Step piston makes change circulation rocking arm release linkage with first row valve rocker, second row valve rocker immediately in the presence of back-moving spring
Relation, engine recovers four-stroke cycle pattern again
It is an advantage of the invention that：Vehicle is not changing the reliability of the original braking of vehicle, is not changing former vehicle just when extension shelves are slided
Normal driver behavior custom, without neutral gear, without stepping on clutch in the case of, automobile can not change the efficiency of air conditioner of corresponding speed,
The electricity generation efficiency of corresponding speed is not changed, engine need not compress gas in the jar, and fuel-saving efficiency is high.
Four, are illustrated
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 be the present invention camshaft, and each cam relative bearing and corresponding direction of rotation schematic diagram；
Fig. 2 is each cam of the present invention and the corresponding relation of each rocking arm and rocking arm and rocker arm shaft partial cutaway schematic；
Fig. 3 is the second row valve rocker and valve and the relative position relation schematic diagram of exhaust cam of the present invention；
Fig. 4 is the first row valve rocker and valve and the relative position relation schematic diagram of exhaust cam of the present invention；
Fig. 5 is correspondence position relation schematic diagram of the change circulation rocking arm of the present invention with becoming circulation cam；
Fig. 6 is the control system schematic diagram of timing piston, the first synchronous piston, the second synchronous piston activity of the present invention.
In figure：1. camshaft, 2. first exhaust cams, 3. change circulation cams, 4. second exhaust cams, 5. first row valve rockers,
6. become circulation rocking arm, 7. second row valve rockers, 8. rocker arm shafts, 9. oil holes, 10. timing pistons, 11. first synchronous pistons, 12.
Hollow oil duct, 13. first positioning are floatd platform, 14. second synchronous pistons, and 15. second positioning are floatd platform, 16. oil ducts, 17. back-moving springs,
18. stop piston, 20. stop piston holes, 21. first synchronous piston holes, 23. cylinder head, 24. positioning planes, 25. second is synchronous living
Consent, 26. retaining springs, 27. magnetic valves, 28. valve core reseting springs, 29. valve elements, 30. electromagnetic valve coils, 31. become loop control
Circuit, 32. machine oil pipes, 33. electronic oil pumps, 34. pressure maintaining valves.
Five, embodiments
Automobile engine lower resistance gliding system be by camshaft (1), first row valve rocker (5), second row valve rocker (7),
Become circulation rocking arm (6), retaining spring (26), timing piston (10), the first synchronous piston (11), the second synchronous piston (14), stop
Piston (18), back-moving spring (17), rocker arm shaft (8), machine oil pipe (32), magnetic valve (27), electronic oil pump (33), pressure maintaining valve (34),
Become circulating controling circuit (31) composition.
As shown in figure 1, camshaft (1) is provided with first exhaust cam (2), second exhaust cam (4) and becomes circulation cam (3),
N displays in direction of rotation become circulation cam (3) and first exhaust cam (2), the correspondence position relation of second exhaust cam (4).
As shown in Fig. 2 the effect of first exhaust cam (2) and second exhaust cam (4) is：Driven respectively in exhaust stroke
First row valve rocker (5) and second row valve rocker (7)；Becoming the effect of circulation cam (3) is：In engine original compression punching
Driving becomes circulation rocking arm (6) when journey and former expansion stroke；First row valve rocker (5), second row valve rocker (7), change circulation
Rocking arm (6) is all arranged on rocker arm shaft (8), and installation coordinates with gap is combined into；The hollow oil duct (12) of rocker arm shaft (8) is provided with
Oil hole (9) is simultaneously relative with oil duct (16) mouth in first row valve rocker (5), in the first synchronous piston hole (21)
Timing piston (10) and the first synchronous piston (11) are installed, first row valve rocker (5) positions the platform (13) that floats provided with first,
When the first synchronous piston (11) does not enter into the second synchronous piston hole (25), and change circulation rocking arm (6) is in and is not in contact with
Become in the state of circulation cam (3), first positions the positioning plane (24) that the platform (13) that floats all is and become on circulation rocking arm (6)
Contact, so that center line of the first synchronous piston hole (21) with becoming the second synchronous piston hole (25) in circulation rocking arm (6)
Overlap.Second row valve rocker (7) is positioned provided with second to float platform (15) and stops piston hole (20), in the second synchronous piston (14)
When not entering into stop piston hole (20), and change circulation rocking arm (6) is in and is not in contact with becoming in the state of circulation cam (3),
The second positioning platform (15) that floats is contacted with becoming the positioning plane (24) in circulation rocking arm (6), so that the second synchronous piston hole
(25) with stopping that the center line of piston hole (20) is overlapped, stop piston hole (20) built with stop piston (18) and reset
Spring (17).
As shown in figure 3, second row valve rocker (7) is arranged on rocker arm shaft (8), when one end is driven by second exhaust cam (4)
When lifting, then top begins to rehearse valve the other end downwards；Second row valve rocker (7) is provided with the second synchronous piston hole (20).
As shown in figure 4, first row valve rocker (5) is arranged on rocker arm shaft (8), when one end is driven by first exhaust cam (2)
When lifting, then top begins to rehearse valve the other end downwards, and second row valve rocker (5) is provided with the first synchronous piston hole (21), first
Synchronous piston hole (21) connection oil duct (16).
It is arranged on as shown in figure 5, becoming circulation rocking arm (6) on rocker arm shaft (8), when one end is lifted by circulation cam (3) driving is become
Rise when, the other end then downwards compression retaining spring (26)；When change circulation rocking arm (6) is not contacted with becoming circulation cam (3),
Retaining spring (26) in cylinder head (23) by the positioning plane (24) for becoming circulation rocking arm (6) pop up and with
Platform (15) contact that platform (13) is floatd in first positioning and the second positioning is floatd, thus realize the first synchronous piston hole (21), it is second synchronous
Piston hole (25), the center line coincidence for stopping piston hole (20).
As shown in fig. 6, machine oil pipe (32) is while connect hollow oil duct (12), A interfaces, the electronic oil pump of magnetic valve (27)
(33) oil-out；A pressure maintaining valve (34), electromagnetic valve coil (30) and electronic oil pump (33) are mounted with machine oil pipe (32)
Power circuit be turned on or off be by change circulating controling circuit (31) control.
The course of work of the present invention：
1. automobile is in transport condition, and when not entering into extension shelves sliding state, becomes circulating controling circuit (31) and disconnect electromagnetism
Machine oil is not pumped into machine oil pipe (32) by the power circuit of valve coil (30) and electronic oil pump (33), electronic oil pump (33),
Valve element (29) is in the presence of valve core reseting spring (28) makes the A interface and B interface connected state of magnetic valve (27)
Position, now the machine oil in magnetic valve (27) and machine oil pipe (32) engine sump tank is back to by B interface, thus
There is no oil pressure to act on timing piston (10), stop that piston (18) is synchronous by second in the presence of back-moving spring (17)
Piston (14), which is intercepted, to be stopped outside piston hole (20), and at the same time, the second synchronous piston (14) is also by the first synchronous piston
(11) intercept outside the second synchronous piston hole (25)；Due to the limited length of back-moving spring (17), stop piston (18) simultaneously
The second synchronous piston hole (25) will not be entered, thus the second synchronous piston (14) will not also enter the first synchronous piston hole (21),
Now, first row valve rocker (5) and second row valve rocker (7) are in first exhaust cam (2) and second exhaust cam (4)
Driving under shake, while floaing platform (13) in the first positioning and the second positioning is floatd in the presence of platform (15), also circulate change and shake
Arm (6) is in company with shaking, so that the first synchronous piston hole (21), the second synchronous piston hole (25) and stop piston hole (20)
Center line overlap；When change follows rocking arm (6) in the case where becoming the driving of circulation cam (3), locating platform (24) is positioned with first
Float platform (13), the second locating platform (15) disengage after, make invalid shake alone, when become circulation cam (3) with change circulation shake
After arm (6) is disengaged, become circulation rocking arm (6) in the presence of retaining spring (26), keep positioning plane (24)
Platform (13) is floatd with the first positioning and the second positioning platform (15) that floats contact order and become and circulates the adjoint first row valve rocker (5) of rocking arm (6)
Shaken with second row valve rocker (7), while also making the first synchronous piston hole (21), the second synchronous piston hole (25) and stopping
The center line of piston hole (20) is overlapped.
2. when automobile, which is in, hangs shelves sliding state, and clutch pedal is not operated, brake pedal is not operated, gas pedal
It is not operated, becomes the power supply electricity that circulating controling circuit (31) connects electromagnetic valve coil (30) and electronic oil pump (33) immediately
Road, valve element (29) overcomes the elastic force of valve core reseting spring (28) in the presence of electromagnetic force, in closing magnetic valve (27)
A interfaces and B interface position, while electronic oil pump (33) by machine oil be pumped into machine oil pipe (32) and enter rocker arm shaft (8)
Hollow oil duct (12), then enter oil duct (16) through oil hole (9) and the first synchronous piston hole (21) and promote timing piston
(10), timing piston (10) promotes the first synchronous piston (11) again, and is not connect becoming circulation rocking arm (6) with becoming circulation cam (3)
The state of touching, the first synchronous piston hole (21), center line when all overlapping of the second synchronous piston hole (25) and stop piston hole (20),
First synchronous piston (11) is pushed into the second synchronous piston hole (25) while promoting the second synchronous piston (14) to be allowed to while entering
Enter to stop piston hole (20) and promote simultaneously and stop piston (18) and compression reseting spring (17), so far completed to make first row
Valve rocker (5), change circulation rocking arm (6), second row valve rocker (7) are combined together the operation of shake, now first
Exhaust valve rocker (5), change circulation rocking arm (6), second row valve rocker (7) both can be in first exhaust cam (2), second rows
Synchronously shaken under the driving of gas cam (4), complete to open the action of inlet valve in the former exhaust stroke of engine, can become circulation again
Synchronously shaken under the driving of cam (3) and open exhaust valve in the former compression stroke of engine, closed when former compression stroke ends
Close exhaust valve but it is former splash to rise the operation of exhaust valve is opened in stroke.In the former induction stroke of engine, IO Intake Valve Opens；It
Above-mentioned circulation is constantly repeated afterwards.Engine now is driven down by transmission system by automobile driving wheel and transported with minimum running resistance
Turn；It is therebetween the oil pressure stabilization in guarantee machine oil pipe (32), electronic oil pump (33) is occurred without overload phenomenon, in machine oil
When managing the oil pressure in (32) higher than setting engine oil pressure, pressure maintaining valve (34) is opened to engine sump tank draining at once.
3. when automobile switchs to non-extension shelves sliding state by extension shelves sliding state, i.e.,：Or clutch riding boogie board is operated or gas pedal
It is not operated or after brake pedal is operated, becomes circulating controling circuit (31) and then turn off electromagnetic valve coil (30) and electronic
The power circuit of lubricating oil pump (33), no machine oil is pumped into machine oil pipe (32), valve element (29) to electronic oil pump (33) immediately
The position of the A interfaces and B interface connected state that make magnetic valve (27) is in the presence of back-moving spring (28) immediately, now
Machine oil in magnetic valve (27) and machine oil pipe (32) is back to engine sump tank by B interface, also makees immediately without oil pressure
On timing piston (10), become circulation rocking arm (6) not with become circulation cam (3) contact condition, the first synchronous piston hole (21),
When the center line of second synchronous piston hole (25) and stop piston hole (20) is all overlapped, stop piston (18) in back-moving spring (17)
In the presence of the second synchronous piston (14) released stop piston hole (20), at the same time, the second synchronous piston (14) is also by the
One synchronous piston (11) releases the second synchronous piston hole (25)；Due to the limited length of back-moving spring (17), stop piston (18)
The second synchronous piston hole (25) can't be entered, thus the second synchronous piston (14) will not also enter the first synchronous piston hole (21),
Hereafter, do not contacted as long as becoming circulation rocking arm (6) with becoming circulation cam (3), first row valve rocker (5), second row valve
Rocking arm (7) shakes under respective correspondence actuated by cams, positions and floats in the presence of platform (15) in the first positioning platform (13) and second that floats,
Also change is made to circulate rocking arm (6) in company with shaking, so that the first synchronous piston hole (21), the second synchronous piston hole (25) and stop
The center line of piston hole (20) is overlapped；Rocking arm (6) is circulated in the case where becoming the driving of circulation cam (3) when becoming, locating platform (24)
Float platform (13) with the first positioning and the second positioning platform (15) that floats disengages, makees invalid shake alone, when becoming circulation cam (3)
After being disengaged with change circulation rocking arm (6), become circulation rocking arm (6) in the presence of retaining spring (26), make positioning plane (24)
Keep positioning the platform (15) that floats with the first positioning platform (13) and second that floats and contacting, so that the first synchronous piston hole (21), second
Synchronous piston hole (25) and the center line coincidence for stopping piston hole (20).
Claims (1)
1. a kind of automobile engine lower resistance gliding system, the system is shaken by cylinder head, camshaft, first row valve
Arm, second row valve rocker, become circulation rocking arm, retaining spring, timing piston, the first synchronous piston, the
Two synchronous pistons, back-moving spring, rocker arm shaft, machine oil pipe, magnetic valve, electronic oil pump, pressure maintaining valve, change
Circulating controling circuit is constituted；It is characterized in that：Camshaft provided with first exhaust cam, second exhaust cam,
Become circulation cam；Becoming circulation cam can be in the former compression stroke of automobile engine and former expansion stroke driving exhaust valve
Rocking arm opens exhaust valve；First row valve rocker positions float platform and the first synchronous piston hole provided with first, the
Two exhaust valve rockers are positioned provided with second to float platform and stops piston hole, becomes circulation rocking arm provided with locating platform
And the second synchronous piston hole, retaining spring is installed becoming between circulation rocking arm and cylinder head, retaining spring
One end heads on change circulation rocking arm, the other end and heads on cylinder head；As long as becoming circulation rocking arm not connect with becoming circulation cam
Touching will make that locating platform is kept floaing platform with the first positioning and the second positioning is floatd platform in the presence of retaining spring
Contact, so as to keep the first synchronous piston hole and the center line in the second synchronous piston hole and stop piston hole to overlap；
First synchronous piston hole has oil duct to be communicated with the oil hole on rocking arm shaft hollow oil duct, in the first synchronous piston hole
Timing piston and the first synchronous piston are installed；Stop and stop piston and back-moving spring are installed in piston hole；
The second synchronous piston is installed in second synchronous piston hole；First row valve rocker, second row valve rocker,
Become circulation rocking arm to be all arranged on rocker arm shaft, installation, which is matched somebody with somebody, is combined into gap cooperation；Rocker arm shaft is provided with hollow oil duct；
Machine oil pipe connects hollow oil duct, the A interfaces of magnetic valve, the oil-out of electronic oil pump simultaneously；On machine oil pipe
It is mounted with a pressure maintaining valve, being turned on or off for the power circuit of magnetic valve and electronic oil pump is by becoming circulation control
Circuit control processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292079.9A CN107327348A (en) | 2016-04-29 | 2016-04-29 | Automobile engine lower resistance gliding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610292079.9A CN107327348A (en) | 2016-04-29 | 2016-04-29 | Automobile engine lower resistance gliding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107327348A true CN107327348A (en) | 2017-11-07 |
Family
ID=60193008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610292079.9A Withdrawn CN107327348A (en) | 2016-04-29 | 2016-04-29 | Automobile engine lower resistance gliding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107327348A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113167142A (en) * | 2018-10-05 | 2021-07-23 | J·D·克拉詹西奇 | Improved internal combustion engine |
-
2016
- 2016-04-29 CN CN201610292079.9A patent/CN107327348A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113167142A (en) * | 2018-10-05 | 2021-07-23 | J·D·克拉詹西奇 | Improved internal combustion engine |
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Application publication date: 20171107 |