CN107288764A - Automobile engine variable cycle variable displacement system - Google Patents
Automobile engine variable cycle variable displacement system Download PDFInfo
- Publication number
- CN107288764A CN107288764A CN201610246428.3A CN201610246428A CN107288764A CN 107288764 A CN107288764 A CN 107288764A CN 201610246428 A CN201610246428 A CN 201610246428A CN 107288764 A CN107288764 A CN 107288764A
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- China
- Prior art keywords
- air inlet
- stroke
- iron core
- annular groove
- spline slide
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D17/00—Controlling engines by cutting out individual cylinders; Rendering engines inoperative or idling
- F02D17/02—Cutting-out
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- 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
- F02D13/0223—Variable control of the intake valves only
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- 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
- F02D13/06—Cutting-out cylinders
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The present invention is a kind of automobile engine variable cycle variable displacement system；When vehicle gearing is travelled, as long as in driver not stepping on accelerator pedal, do not step on brake pedal, not stepping on clutch pedal in the case of, the system can in time change the cam of driving inlet valve rocker, make all cylinders of engine by original air inlet, compression, expansion, exhaust four-stroke cycle pattern change into air inlet, air-breathing, air inlet, air-breathing two-stroke cycle pattern, engine now is set to be in the minimum idling conditions of running resistance, to reduce the resistance of vehicle gearing coast.When vehicle gearing is travelled, the system can also be according to the depth of pedal of stepping on the throttle, so that it may be in time adjusted into the number of cylinders that two-stroke follows state.When automobile is in neutral idle state, the cylinder that the system is also equipped with setting section follows state into two-stroke, and the cylinder of remainder follows state in four strokes.
Description
One, technical fields
The present invention relates to a kind of automobile engine variable cycle variable displacement system, its effect is to make owning for four-stroke engine
Cylinder becomes two-stroke operation when vehicle gearing is slided, and the work discharge capacity of engine is changed into zero delivery；Slided in vehicle gearing
During row, air-breathing when each cylinder of engine can become descent of piston by air inlet, compression, expansion, the four-stroke cycle operating of row is living
The two-stroke cycle operating being vented beyond the Great Wall during row, to reduce engine running resistance during automobile slide automatically, so as to not change
Driving average fuel consumption is reduced on the premise of former car brake efficiency and reliability；Can also be in the seasonal engine one of part load engine
Partial cylinders are in that four strokes follow state and another part cylinder enters the two-stroke that lower resistance operates and follows state, to reduce engine
Work discharge capacity.
Two, background technologies
At present, the automobile engine of known variable displacement is in partial cylinders working condition, and other idle cylinders are still suffered from
Contracting stroke is rushed, when extension shelves are slided, engine is still outer to follow state in four strokes, and all cylinders all have compression stroke, done
The resistance produced into engine is larger greatly, so as to reduce coasting distance.
The pattern of common its stop section cylinder operation of modulated displacement engine has at present：
1, stop to partial cylinders fuel feeding.Shortcoming：It is stopped the cylinder of fuel feeding, piston and still needs to the compressed air in compression stroke,
Engine still produces resistance and vibration.
2. stop to partial cylinders fuel feeding and stop former valve actuating mechanism work.Shortcoming：Still suffer from compression stroke, engine operating resistance
Power is larger greatly.
The content of the invention
In order to overcome existing present automobile in the defect of above-mentioned modulated displacement engine, and overcome engine stop partial cylinders work
The many disadvantages of work, the present invention provides a kind of automobile engine variable cycle variable displacement system, and the system can make automobile enter extension
During shelves sliding state, all cylinders of engine circulation pattern capable of automatic changing, by original：Exhaust valve closing, inlet valve are opened
Intake stroke, the compression stroke that inlet and outlet door is closed, the burning that inlet and outlet door is closed splashes the stroke that rises, exhaust valve opens,
The four-stroke cycle Mode change that the exhaust stroke of IC Intake Valve Closes is constituted into：The air-breathing punching that exhaust valve closing, inlet valve are opened
Journey, the exhaust stroke that exhaust valve closing, inlet valve are opened, the intake stroke that inlet valve, exhaust valve are successively opened, exhaust valve is beaten
Open, the two-stroke cycle pattern that the exhaust stroke of IC Intake Valve Closes is constituted.The system can also be in part load engine certainly
The circulation pattern of dynamic changing section cylinder, makes a part of cylinder enter two-stroke cycle state, and another part cylinder enters four strokes
Recurrent state.
The technical solution adopted by the present invention is：Become by becoming circulation on displacement control circuit and per cylinder engine：Magnet coil,
Back-moving spring, fulcrum, lever, support, the first iron core, the second iron core, spline slide cam sleeve, splined shaft, positioning bullet
The formed automobile engine variable cycle variable capacity system such as spring, place kick, the first blocker ring, second blocker ring.Spline slide
The outer surface of cam sleeve is convex provided with the first admission cam, the second admission cam, the first additional admission cam, the second additional air inlet
Wheel, additional air inlet control spiral annular groove, air inlet control spiral annular groove.Air inlet control spiral annular groove be by do not wait deep ring groove part,
Deng deep helical ring groove part, etc. deep ring groove part composition, additional air inlet control spiral annular groove be by do not wait deep ring groove part, etc. it is deep
Spiral ring groove part, etc. deep ring groove part composition.Spline slide cam sleeve hole wall provided with spline, additional air inlet positioning pit,
Air inlet positioning pit.Splined shaft and plate timing gear be coaxially connected and synchronous rotary, and splined shaft is provided with spline, and be provided with it is fixed
Position spring and the first limited location snap ring and the second limited location snap ring.Spline slide cam sleeve is arranged on splined shaft, spline and spline
Match, place kick is arranged between splined shaft and spline slide cam sleeve, and spline slide cam sleeve can be in the first limiting card
Slided between ring and the second limited location snap ring.Additional air inlet positioning pit, air inlet positioning pit, place kick, retaining spring composition positioning lock,
The first roller bearing can be driven and second roll by spline slide cam sleeve is locked in into the first admission cam and the second admission cam being in
The position of sub- bearing, or spline slide cam sleeve is locked at the first additional admission cam and the second additional admission cam
In the position of the first roller bearing and the second roller bearing can be driven, it is ensured that spline slide cam sleeve can not stop at above-mentioned two
Between position.By magnetic coil, back-moving spring, fulcrum, lever, the first iron core, the second iron core, the electromagnetic controller constituted
It is rack-mount.Become circulating controling circuit stop to electromagnetic controller power when, the first iron core is under action of reset spring
Outside additional air inlet spiral annular groove, the second iron core enters air inlet control spiral annular groove under back-moving spring, fulcrum, leverage
Interior, the position of the first roller bearing and the second roller bearing, cylinder can be driven by being in the first admission cam and the second admission cam
In four-cycle operation state.Become circulating controling circuit to electromagnetic controller power when, magnetic attraction of first iron core in magnetic coil
Effect is lower to be entered in additional air inlet control spiral annular groove, and the second iron core leaves air inlet control spiral annular groove under fulcrum, leverage,
The position of the first roller bearing and the second roller bearing can be driven by being in the first additional admission cam and the second additional admission cam,
Cylinder is in two-stroke operation state.
It is an advantage of the invention that simple in construction, fuel-saving efficiency is high, can maintain the original brake safe reliability of automobile, can maintain
The original generating of automobile and efficiency of air conditioner, can make that driving and riding comfort are unaffected, and automobile slide is swift to operate, without changing
Become normal driving custom, the exhaust-driven turbo-charger exhaust-gas turbo charger of engine will not be made to occur oil starvation water shortage status during automobile slide.By
Without compression stroke in two-stroke cycle pattern, so the resistance of the race of engine is small, small, vapour now is vibrated during rotation
Car hangs coasting distance and is only slightly inferior to that traditional neutral gear is slided or stepping on clutch hangs the distance that slides of shelves, but maintain braking reliability,
Driving and the combination property such as the comfortableness taken, simplicity, the efficiency of fuel-economizing of operation are better than traditional various sliding modes
Four, are illustrated
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the spline slide cam sleeve of the present invention and the relative position relation schematic diagram of electromagnetic controller.
Fig. 2 is the spline slide cam sleeve of the present invention along Y1, Y2 positions, the cross section perpendicular to axis direction, and electromagnetism
Controller controls spiral annular groove and the schematic diagram of direction of rotation with additional air inlet.
Fig. 3 is the spline slide cam sleeve of the present invention along Y7, Y8 positions, the cross section perpendicular to axis direction, and electromagnetism
Controller controls spiral annular groove and the schematic diagram of direction of rotation with air inlet.
Fig. 4 is the spline slide cam sleeve of the present invention along Y3, Y4 positions, the cross section perpendicular to axis direction, and air inlet
Cam and the schematic diagram of direction of rotation.
Fig. 5 be the spline slide cam sleeve of the present invention along Y5, Y6 positions, the cross section perpendicular to axis direction, and additional
Admission cam and the schematic diagram of direction of rotation.
Fig. 6 is that the present invention spends strong sliding cam axle sleeve, the section of camshaft in the axial direction, and sliding cam axle sleeve is with entering
The relative position relation schematic diagram of gas rocking arm.
Fig. 7 is the splined shaft of the present invention along Y9, Y10 positions, the schematic diagram perpendicular to the cross section of axis direction
In figure：1. become circulation change displacement control circuit, 2. electromagnetic controllers, 3. fulcrums, 4. levers, 5. supports, 6. magnetic coils,
7. back-moving spring, 8. first iron cores, 9. second iron cores, 10. spline slide cam sleeves, 11. additional air inlet control spiral annular grooves, 12.
First additional admission cam, 13. first admission cams, 14. second admission cams, 15. air inlets control spiral annular groove, 16. positioning bullets
Spring, 17. sliding cam axle sleeve hole walls, 18. first blocker rings, 19. second blocker rings, 20. splined shafts, 21. rocker arm shafts, 22. first
Inlet valve rocker, 23. second inlet valve rockers, 24. first roller bearings, 25. second roller bearings, 28. place kick, 29. air inlets are determined
Position hole, 30. additional air inlet positioning pits, 31. second additional admission cams, 32. splines, 33. splines.
Five, embodiments
Automobile engine variable cycle variable displacement system be by：Become circulation and become displacement control circuit (1), fulcrum (3), lever
(4), support (5), magnetic coil (6), back-moving spring (7), the first iron core (8), the second iron core (9), spline slide
Cam sleeve (10), retaining spring (16), the first blocker ring (18), the second blocker ring (19), splined shaft (20), rocker arm shaft (21),
Place kick (28) etc. is constituted.
By fulcrum (3), lever (4), magnetic coil (6), back-moving spring (7), the first iron core (8), the second iron core (9)
Electromagnetic controller (2) is constituted, and on support (5), one end of lever (4) connects the first iron core (8), the other end and connected
Connect the second iron core (9).
Splined shaft (20) is arranged in the hole of spline slide cam sleeve (10), and spline (33) is meshed with spline (32),
Splined shaft (20) and plate timing gear are coaxially connected and drive spline slide cam sleeve (10) synchronous rotary.
The positioning being made up of retaining spring (16), place kick (28), air inlet positioning pit (29), additional air inlet positioning pit (30)
Lock.
As shown in figure 1, on spline slide cam sleeve (10) provided with the first admission cam (13), the second air inlet convex (14),
First additional admission cam (12), the second additional admission cam (31), additional air inlet control spiral annular groove (11), air inlet control
Spiral annular groove (15)；Electromagnetic controller (2) is arranged on support (5)；Become circulating controling circuit (1) and connect electromagnetic controller (2)
Power circuit when, the first iron core (8) overcome back-moving spring (7) elastic force enter additional air inlet control spiral annular groove (11),
Second iron core (9) leaves air inlet control spiral annular groove (15) in the presence of fulcrum (3) and lever (4)；Become circulation and become discharge capacity
When controlling the power circuit of circuit (1) disconnection electromagnetic controller (2), the first iron core (8) is made in the elastic force of back-moving spring (7)
Leave additional air inlet control spiral annular groove (11) under, the second iron core (9) enter in the presence of fulcrum (3), lever (4) into
Gas control spiral annular groove (15).
As shown in Fig. 2 spline slide cam sleeve (10) is provided with additional air inlet control spiral annular groove (11), spline slide is convex
Axle sleeve hole wall (17) is provided with spline (32).In electromagnetic controller (2) mounting bracket (5), when magnetic coil (6) is logical
When electric, the first iron core (8) overcomes the elastic force of return spring (7) to the axis place side of flower sliding cam axle sleeve (10) immediately
To stretching, and spline slide cam sleeve (10) OA RADIALs along n direction indications rotate to the first iron core (8) axle
During line overlap position, the first iron core (8) initially enters opening for the not deep ring groove part of grade of additional air inlet control spiral annular groove (11)
Beginning position.When the OB RADIALs of spline slide cam sleeve (10) are gone to and the first iron core (8) axis weight along n direction indications
During folded position, the first iron core (8) has slipped into the start bit for waiting deep helical ring groove part of additional air inlet control spiral annular groove (11)
Put, now the piston in cylinder be in expansion stroke nearly half when position, first on spline slide cam sleeve (10)
Admission cam (13) and the second admission cam (14) also depart from the first roller bearing (24) and the second roller bearing (25)
Contact.Continue to rotate along n direction indications with the OC RADIALs for strong sliding cam axle sleeve (10) of blossoming, and to the first iron core (8)
Axis lap position is during, under the collective effect of the first iron core (8) and additional air inlet control spiral annular groove (11),
Sliding cam axle sleeve (10) is set to be moved to X-direction, when spending the OC RADIALs of strong sliding cam axle sleeve (10) along n instruction sides
To when going to the first iron core (8) axis lap position, the first iron core (8) starts to slip into additional air inlet spiral annular groove (11)
The starting position for waiting deep ring groove part, now the piston in cylinder be in position when former exhaust stroke nearly ends, and first
Additional admission cam (12) is in the second additional admission cam (31) will drive the first roller bearing (24) and second
The position of roller bearing (25), the first admission cam (13) and the second admission cam (14) are all in cannot be with driving
First roller bearing (24) and the position of the second roller bearing (25) contact.
As shown in figure 3, spline slide cam sleeve (10) is provided with air inlet control spiral annular groove (15), spline slide camshaft
Set hole wall (17) is provided with strong groove (32) is spent, and electromagnetic controller (2) is arranged on support (5).Magnetic coil (6) is powered off
When, the second iron core (9) is to spline slide cam sleeve (10) in the presence of back-moving spring (7), fulcrum (3), lever (4)
Axis where direction stretch out, and rotated in the OA RADIALs of spline slide cam sleeve (10) along n direction indications to the
During two iron cores (9) axis lap position, the second iron core (9) initially enters the deep ring of not grade of air inlet control spiral annular groove (15)
The starting position of slot part.When the OB RADIALs of spline slide cam sleeve (10) are gone to and the second iron core along n direction indications
(9) during axis lap position, the second iron core (9) has slided into the grade deep helical annular groove portion of gas exhaust inspecting spiral annular groove (15)
Point starting position, now the piston in cylinder be in former expansion stroke nearly half when position, and the first additional admission cam
(12) disengaged with the first roller bearing (24) and the second roller bearing (25) with the second additional admission cam (31).
As the OC RADIALs of spline slide cam sleeve (10) continue to rotate along n direction indications, and to the second iron core (9) axis
Lap position is close, in the presence of the second iron core (9) and air inlet control spiral annular groove (15), makes spline slide cam sleeve (10)
Moved to X1 directions, when spline slide cam sleeve (10) OC RADIALs are gone to and the second iron core (9) along n direction indications
During axis lap position, the second iron core (9) slides into the starting position for waiting deep ring groove part of air inlet spiral annular groove (15), this
When, the piston in cylinder is in position when former exhaust stroke nearly ends, the first admission cam (13) and the second admission cam (14)
The position of the first roller bearing (24) and the second roller bearing (25) will be driven by being in, and the first additional admission cam (12)
The first roller bearing (24) and the second roller bearing (25) cannot be driven by being in the second additional admission cam (31)
Position.
As shown in figure 4, spline slide cam sleeve hole wall (17), which is provided with, spends strong groove (32), spline slide cam sleeve (10)
It is provided with the first admission cam (13).
As shown in figure 5, spline slide cam sleeve hole wall (17) spends strong sliding cam axle sleeve (10) provided with strong groove (32) is spent
It is provided with the first additional admission cam (12).
As shown in Figure 6, two annular grooves are offered on splined shaft (20) and has been respectively mounted the first blocker ring (18), the second resistance
Circular hole is additionally provided with baffle ring (19), splined shaft (20) and retaining spring (16) is installed；Spline slide cam sleeve hole wall (17)
It is additionally provided with air inlet positioning pit (29), additional air inlet positioning pit (30)；Spend strong sliding cam axle sleeve (10) and spend strong axle (20)
Between place kick (28) is installed；First inlet valve rocker (22) and the second inlet valve rocker (23) are all arranged on rocker arm shaft (21)
On, installation coordinates with gap is combined into；First roller bearing (24) is installed on the first inlet valve rocker (22)；Second inlet valve
Second roller bearing (25) is installed on rocking arm (23).By retaining spring (16), place kick (28), air inlet positioning pit (29),
Additional air inlet positioning pit (30) constitutes positioning lock；The effect of positioning lock is：Spline slide cam sleeve (10) is positioned at
One admission cam (13) and the second admission cam (14) can drive the first roller bearing (24) and the second roller bearing (25)
Position, or spline slide cam sleeve (10) is positioned at the first additional admission cam (12) and the second additional air inlet is convex
Wheel (31) can drive the position of the first roller bearing (24) and the second roller bearing (25)；Ensure to be not in spline slide
The situation that cam sleeve (10) is stopped between above-mentioned two position occurs.When the embedded air inlet positioning pit (29) of place kick (28)
When middle, the first admission cam (13) and the second admission cam (14) can drive the first roller bearing (24) and second to roll in good time
Sub- bearing (25), makes being turned on and off for the first inlet valve rocker and the second inlet valve rocker reed time controll inlet valve, now piston
In four-stroke cycle state；When automobile needs extension shelves to slide extension, the embedded additional air inlet of place kick (28) on each cylinder is determined
In position hole (29), the first additional admission cam (12) now can drive first in good time with the second additional admission cam (31)
Roller bearing (24) and the second roller bearing (25), control the first inlet valve rocker (22) and the second inlet valve rocker (23)
Corresponding inlet valve is turned on and off, and now piston is in two-stroke cycle state.
As shown in fig. 7, splined shaft (20) is provided with spline (33).
The course of work of the present invention：
1. engine is in operating condition：In the case of the deep accelerator pedal of driver, become circulation and become displacement control circuit (1)
The power circuit of the electromagnetic controller (2) of each cylinder is disconnected, the second iron core (9) of each cylinder is in air inlet control spiral annular groove (15)
Interior, place kick (28) is in air inlet positioning pit (29), spline slide cam sleeve (10) rotation synchronous with plate timing gear
Turn, piston exhaust stroke nearly at the end of, the first admission cam driving (13) and the second admission cam (14) passes through driving the
One roller bearing (24) is with the second roller bearing (25) so as to drive the first inlet valve rocker (22) and the second inlet valve rocker of driving (23)
Corresponding inlet valve is opened, and after piston compression stroke starts soon, the first admission cam (13) and the second admission cam (14)
All stop the corresponding inlet valve of the closing of the contact with the first roller bearing (24) and the second roller bearing (25), now each cylinder is all
State is followed in four strokes；And the first additional admission cam (12) is convex in company with spline slide with the second additional admission cam (31)
Axle sleeve (10) rotates, and does not drive other parts.
2. engine is in operating condition：In the case of the light accelerator pedal of driver, become circulation and become displacement control circuit (1)
The power circuit of the electromagnetic controller (2) of breaking part cylinder, the place kick (28) of this partial-cylinder is in air inlet positioning pit (29)
In, spline slide cam sleeve (10) and plate timing gear synchronous rotary, when piston exhaust stroke nearly ends, first
Admission cam drive (13) and the second admission cam (14) by drive the first roller bearing (24) and the second roller bearing (25) so as to
The first inlet valve rocker (22), the second inlet valve rocker (23) are driven, but after piston compression stroke starts soon, the first air inlet is convex
Wheel (13) and the second admission cam (14) all stop the contact with the first roller bearing (24) and the second roller bearing (25)；Now
This partial cylinders follows state in four strokes.Engine remainder cylinder follows state in two-stroke.
3. automobile is in extension shelves transport condition：When driver simultaneously not accelerator pedal, not stepping on clutch pedal, do not step on braking
In the case of pedal, become circulation and become the power circuit that displacement control circuit (1) connects the electromagnetic controller (2) of each cylinder immediately；
First iron core (8) in the presence of axis institute from the magnetic attraction that magnetic coil (6) is produced to spline slide cam sleeve (10)
Stretched out in direction, into additional air inlet control spiral annular groove (11)；With spline slide cam sleeve (10) and valve timing tooth
Wheel is synchronous to be continued to rotate, when going to piston and being in the position of expansion stroke nearly half, the first iron core (8) be slide into add into
The starting position for waiting deep helical ring groove part of gas spiral annular groove (11)；Again with the continuation of spline slide cam sleeve (10)
Rotation, when going to the position that piston is then ended in former row's stroke, whole process has slipped over additional air inlet control to the first iron core (8)
The grade deep helical ring groove part of spiral annular groove (11), while also promote spline slide cam sleeve (10) to be moved to X-direction,
Make place kick (28) is also synchronous to enter additional air inlet positioning pit (30), immediately the first additional air inlet from air inlet positioning pit (29)
Cam (12) is positioned to the second additional admission cam (31) can drive the first roller bearing (24) and the second roller bearing
(25) position；The first iron core (8) just controls waiting for spiral annular groove (11) to be operated in deep annular groove in additional air inlet afterwards.Again
Continue to rotate as spline slide cam sleeve (10) is synchronous with plate timing gear, more connect in piston operation to former exhaust stroke
During the position closely ended, the first additional admission cam (12) is with the second additional admission cam (31) by driving the first Roller Shaft
(24) and the second roller bearing (25) is held to drive first row valve rocker (22) and the second inlet valve rocker (23) to beat
Open corresponding inlet valve；In former intake stroke of the piston, the first additional admission cam (12) and the second additional admission cam (31)
Continue to drive the first roller bearing (24) and the second roller bearing (25) to drive the first inlet valve rocker (22) and second
Inlet valve rocker (23) opens corresponding inlet valve；When piston remains in operation to former compression stroke, the first additional admission cam
(12) the first roller bearing of driving (24) is continued through with the second additional admission cam (31) to drive the first inlet valve to shake
Arm (22) and the second inlet valve rocker (23) open corresponding inlet valve, remain in operation to former compression stroke and closely end in piston
Position when, inlet valve aperture is reduced to closing；When piston remains in operation to former expansion stroke, the first additional admission cam (12)
Continue through the first roller bearing of driving (24) and the second roller bearing (25) to drive with the second additional admission cam (31)
Dynamic first row valve rocker (22) and the second inlet valve rocker (23) open corresponding inlet valve, and former expansion punching is gone in piston
During the position of journey nearly half, the first additional admission cam (12) and the second additional admission cam (31) and the first roller bearing
(24) and the second roller bearing (25) is disengaged, IC Intake Valve Closes, when piston goes to former expansion stroke and nearly ended, row
Valve is opened；When piston is in former exhaust stroke, exhaust valve continues to open；And circulate again and again.So far, engine
Each cylinder has been completed：The induction stroke opened by exhaust valve closing, inlet valve, the compression stroke that inlet and outlet door is closed, enter,
The expansion stroke of exhaust valve closing, the four-stroke cycle state that the exhaust stroke that IC Intake Valve Closes, exhaust valve are opened is constituted enters
Arrive：The induction stroke opened by exhaust valve closing, inlet valve, the exhaust stroke that exhaust valve closing, inlet valve are opened, inlet valve,
The induction stroke that exhaust valve is successively opened, the two-stroke cycle state that the exhaust stroke that IC Intake Valve Closes, exhaust valve are opened is constituted.
Hereafter, the cylinder that automobile engine is had been enter into after two stroke cycle states is by the air-breathing that is repeated continuously, exhaust event to reduce
The resistance of the race of engine and vibration, so that automobile enters the safe sliding state for hanging shelves low-resistance energy-conservation.
4. automobile be in hang shelves sliding state, if driver's brake pedal, become circulation become displacement control circuit (1) with
The power circuit of the electromagnetic controller (2) of each cylinder, back-moving spring (7) are disconnected even if being left with the first iron core (8) additional
Gas spiral annular groove (11) simultaneously makes the second iron core (9) to spline slide cam sleeve (10) by fulcrum (3), lever (4)
Direction is stretched out where axis, into air inlet control spiral annular groove (15), when spline slide cam sleeve (10) and valve timing tooth
Wheel is synchronous to be continued to rotate, and go to piston be in former expansion stroke nearly the position of half when, the first additional admission cam (12) and the
Two additional admission cams (31) disengage with the first roller bearing (24) and the second roller bearing (25), while the second iron
Core (9) has slided into the starting position for waiting deep helical ring groove part of air inlet spiral annular groove (15)；Again with spline slide cam
Axle sleeve (10) is synchronous with plate timing gear to be continued to rotate, when going to the position that piston is nearly ended in former exhaust stroke, the
Whole process has slipped over the grade deep helical ring groove part that air inlet controls spiral annular groove (15) to two iron cores (9), while also promoting spline to slide
Moving cam axle sleeve (10) is moved to X1 directions, place kick (28) is entered air inlet from additional air inlet positioning pit (30) and is determined
Position hole (29), while the first admission cam (13) is also positioned to the second admission cam (14) can drive the first roller bearing
(24) with the position of the second roller bearing (25).Subsequent spline slide cam sleeve (10) it is synchronous with plate timing gear after
Continuous rotation, when piston operation to former exhaust stroke is closer to the position ended, the first admission cam (13), the second admission cam
(14) immediately while driving the first roller bearing (24) and the second roller bearing (25) to drive the first inlet valve to shake respectively
Arm (22) and the second inlet valve rocker (23) open each self-corresponding inlet valve；At the same time, the second iron core (9) slides into
Waiting for gas control spiral annular groove (15) is operated in deep ring groove part, and so far, all cylinders of engine are all completed：Closed by exhaust valve
Close, inlet valve open induction stroke, exhaust valve closing, inlet valve open exhaust stroke, inlet valve, exhaust valve successively beat
The induction stroke opened, the two-stroke cycle state that the exhaust stroke that IC Intake Valve Closes, exhaust valve are opened is constituted is entered：Exhaust
The induction stroke that door is closed, inlet valve is opened, the compression stroke that inlet and outlet door is closed, the expansion stroke that inlet and outlet door is closed,
The four-stroke cycle state that the exhaust stroke that IC Intake Valve Closes, exhaust valve are opened is constituted.
5. automobile is in when hanging shelves sliding state, when driver or let slip the clutch or neutral gear is linked into, becomes circulation and become discharge capacity
Control circuit (1), which then turns off setting, to be needed to export the circuit of the electromagnetic controller (2) of the cylinder of power, corresponding back-moving spring
(7) even if leaving additional air inlet spiral annular groove (11) with the first iron core (8) and making the second iron by fulcrum (3), lever (4)
Direction is stretched out where core (9) to the axis of spline slide cam sleeve (10), and spiral annular groove (15) is controlled into air inlet, when
Spline slide cam sleeve (10) is synchronous with plate timing gear to be continued to rotate, and is gone to piston and is in former expansion stroke nearly half
During position, the second iron core (9) is the starting position for waiting deep helical ring groove part for sliding into air inlet spiral annular groove (15)；And with
Spline sliding cam axle sleeve (10) continuation synchronous with plate timing gear to rotate, go to piston and nearly ended in exhaust stroke
Position when, the second iron core (9) whole process slipped over air inlet control spiral annular groove (15) wait deep helical ring groove part, simultaneously
Also promote spline slide cam sleeve (10) to be moved to X1 directions, make place kick (28) from additional air inlet positioning pit (30)
Air inlet positioning pit (29) is entered, the first admission cam (13) is also positioned to the second admission cam (14) can drive first
The position of roller bearing (24) and the second roller bearing (25).Again with spline slide cam sleeve (10) and valve timing
Gear synchronous continues to rotate, when piston operation to former exhaust stroke is closer to the position ended, the first admission cam (13), the
Two admission cams (14) drive the first roller bearing (24) and the second roller bearing (25) so that the first inlet valve shakes immediately
Arm (22) and the second inlet valve rocker (23) open each self-corresponding inlet valve；At the same time, the second iron core (9) slides into
Waiting for gas control spiral annular groove (15) is operated in deep ring groove part, and so far, setting needs the cylinder for exporting power to complete：By
The induction stroke that exhaust valve closing, inlet valve are opened, the exhaust stroke that exhaust valve closing, inlet valve are opened, inlet valve, exhaust
The induction stroke that door is successively opened, the two-stroke cycle state that the exhaust stroke that IC Intake Valve Closes, exhaust valve are opened is constituted enters
Arrive：The induction stroke opened by exhaust valve closing, inlet valve, the compression stroke that inlet and outlet door is closed, inlet and outlet door is closed
Expansion stroke, the four-stroke cycle state that is constituted of exhaust stroke that IC Intake Valve Closes, exhaust valve are opened.Its remaining part of engine
Sub-cylinder is in two-stroke cycle state.
6. during engine start, become circulation and become the power supply electricity that displacement control circuit (1) then turns off the electromagnetic controller (2) of each cylinder
Road, the first iron core (8) leaves additional air inlet control spiral annular groove (11), and the second iron core (9) enters air inlet control spiral annular groove (15),
Each cylinder of engine is at four-stroke cycle pattern during ensuring to start.
Claims (1)
1. a kind of automobile engine variable cycle variable displacement system, the system becomes displacement control circuit, magnetic by becoming circulation
Coil, back-moving spring, fulcrum, lever, support, the first iron core, the second iron core, spline slide camshaft
Set, splined shaft, retaining spring, the first blocker ring, the second blocker ring, place kick etc. are constituted；Its feature exists
In：Spline slide cam sleeve outer surface provided with the first admission cam, the second admission cam, first add into
Gas cam, the second additional admission cam, additional air inlet control spiral annular groove, air inlet control spiral annular groove；Enter
Gas control spiral annular groove by do not wait deep ring groove part, etc. deep helical ring groove part, etc. deep ring groove part constitute,
Additional air inlet control spiral annular groove be by do not wait deep ring groove part, etc. deep helical ring groove part, etc. deep annular groove portion
It is grouped into；Spline slide cam sleeve hole wall is provided with additional air inlet positioning pit, air inlet positioning pit；Spline slide
Cam sleeve is arranged on splined shaft, and place kick is arranged between splined shaft and spline slide cam sleeve, flower
Retaining spring and the first limited location snap ring and the second limited location snap ring are installed, spline slide cam sleeve can on key axle
Slided between the first limited location snap ring and the second limited location snap ring；Splined shaft and plate timing gear are coaxially connected simultaneously
Synchronous rotary；By magnetic coil, back-moving spring, fulcrum, lever, the first iron core, the second iron core, constitute
Electromagnetic controller it is rack-mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246428.3A CN107288764A (en) | 2016-04-13 | 2016-04-13 | Automobile engine variable cycle variable displacement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246428.3A CN107288764A (en) | 2016-04-13 | 2016-04-13 | Automobile engine variable cycle variable displacement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107288764A true CN107288764A (en) | 2017-10-24 |
Family
ID=60093289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610246428.3A Withdrawn CN107288764A (en) | 2016-04-13 | 2016-04-13 | Automobile engine variable cycle variable displacement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107288764A (en) |
-
2016
- 2016-04-13 CN CN201610246428.3A patent/CN107288764A/en not_active Withdrawn
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Application publication date: 20171024 |