CN105756739B - Electromagnetic hydraulic pressure drive-type air distribution system - Google Patents
Electromagnetic hydraulic pressure drive-type air distribution system Download PDFInfo
- Publication number
- CN105756739B CN105756739B CN201610289489.8A CN201610289489A CN105756739B CN 105756739 B CN105756739 B CN 105756739B CN 201610289489 A CN201610289489 A CN 201610289489A CN 105756739 B CN105756739 B CN 105756739B
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- valve
- valve body
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- high pressure
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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
- 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
-
- 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
Abstract
It is an object of the invention to provide electromagnetic hydraulic pressure drive-type air distribution system, including high pressure oil rail, electrolyte control part, valve body, fuel tank etc..The present invention significantly reduces valve opening caused by pressure oscillation in system using high pressure oil rail and closes unstability, it is ensured that the reliability and uniformity of air distribution system work；Hydraulic circuit is opened and closed by electrolyte control part control system of switching on or off electricity control valve, and then hydraulic piston both ends hydraulic coupling is flexibly controlled, realize that valve motion is controllable using hydraulic piston and laterostigmatal pressure differential is acted on, so as to fulfill the break-make between valve and blow vent, valve timing and distribution duration angle can effectively be controlled, be conducive to the realization of flexible distribution mode under internal combustion engine difference operating mode, significantly improve valve control freedom degree, the economy and engine exhaust of fuel can further be improved, be conducive to improve the power performance of internal combustion engine.
Description
Technical field
The present invention relates to a kind of internal combustion engines, specifically Valve System of Internal Combustion Engine.
Background technology
Conventional camshaft-actuated mechanical valve valve actuating mechanism, the movement of valve pass through bent axle and camshaft and camshaft
Machine driving between each cylinder gate controls valve timing, valve opening time, duration and lift etc. in structure
It immobilizes in parameter, can only ensure that internal combustion engine performance under specific operation reaches optimal, it is frequent to be unfavorable for applying working condition variation
Internal combustion engine.Further, since using machine driving, it is prone to wear out destroying there are transmission mechanism, work noise is big and machining accuracy
It is required that the shortcomings of high and valve control accuracy is poor.The patent of Application No. 201010120223.3 discloses a kind of engine and becomes work(
Rate distribution control system, including the cam in cylinder and the camshaft as valve actuating mechanism, diesel engine fuel jetting system
The cam of system and the camshaft of injection pump, are provided with supporting block on cam, and supporting block connects inblock cylinder valve tappet and rocking arm
Contacting surface is working face, and valve actuating mechanism is conventional cam drive-type.The patent of Application No. 200610042070.9 discloses one
The Valve System of Internal Combustion Engine of kind of valve timing continuous variable, by valve assembly, hydraulic pressure cylinder assembly, hydraulic cylinder exit port control device,
The compositions such as hydraulic cylinder inlet control device and camshaft drive component, the unlatching and rise of valve are controlled by the cam ascent stage, gas
The decline of door and close moment depend on the excretion moment of liquid in hydraulic cylinder, although the system can realize change valve timing
With the purpose of valve stroke, but actuated by cams formula air distribution system is still fallen within.
The content of the invention
It is an object of the invention to provide port timing is easily controllable, distribution duration angle and valve stroke are convenient for flexible modulation
Electromagnetic hydraulic pressure drive-type air distribution system.
The object of the present invention is achieved like this：
Electromagnetic hydraulic pressure drive-type air distribution system of the present invention, it is characterized in that：It is described including distribution unit, high pressure oil rail, fuel tank
Distribution unit includes valve body, electrolyte control part, valve, shell；The electrolyte control part includes electromagnetic valve body, control
Valve, hydraulic piston, electromagnetic valve body and control valve are respectively positioned in valve body, and electromagnetic valve body includes valve body, coil, armature, and coil twines
It is wound in valve body, armature is located at below valve body, and control valve is connected with armature, and the upper end connection control valve of control valve resets bullet
Spring, the end of control valve resetting spring are withstood in valve body, and the middle part of control valve sets projection portion, and the width of projection portion is wider than
The width of adjoining part above and below it, the valve body portion where projection portion set projection portion chamber, are connect above projection portion
Adjacent part and valve body form oil suction chamber, and adjoining part and valve body form oil back chamber below projection portion, projection portion it is upper
Lower face respectively with valve mates, with being the first sealed seat surface at the cooperation of projection portion upper surface in valve body, valve body
In with being the second sealed seat surface at the cooperation of projection portion lower face, hydraulic piston is arranged in the valve body below control valve, liquid
The first control chamber is formed between pressure piston and valve body, the second control chamber is formed between hydraulic piston upper end and valve body,
Oil inlet pipe, the first high pressure fuel feed hole, the second high pressure fuel feed hole, low pressure oil return hole, high-low pressure through hole are set respectively in valve body,
Oil inlet pipe connects high pressure oil rail, and the first high pressure air intake hole is respectively communicated with oil suction chamber and oil inlet pipe, the second high pressure air intake hole point
The second control chamber and oil inlet pipe are not connected, and low pressure oil return hole is respectively communicated with oil back chamber and fuel tank, and high-low pressure through hole is respectively communicated with
Projection portion chamber and the first control chamber, hydraulic piston lower section connect valve, valve return springs, valve end are cased on valve
Valve seating is installed, shell is mounted below valve body, and valve seating is located at outer side；The quantity of the distribution unit is with starting
The quantity of machine cylinder is consistent.
The present invention can also include：
1st, the upper surface area of the hydraulic piston is less than its lower face area.
2nd, when control valve is depressed on the first sealed seat surface, high-low pressure through hole connects the first control chamber and low pressure oil return hole, control
When valve processed is depressed on the second sealed seat surface, high-low pressure through hole connects the first control chamber and the first high pressure fuel feed hole.
Advantage of the invention is that：The present invention is significantly reduced using high pressure oil rail since electrolyte control part switches height
Valve opening caused by caused hydraulic oil pressure fluctuation and closing unstability during pressure oil road, it is ensured that air distribution system work
Reliability and uniformity；By electrolyte control part control system of switching on or off electricity control valve displacement, realize to the break-make of high-low pressure oil circuit and
The flexible control of uninterrupted, and then flexibly control hydraulic piston both ends hydraulic coupling, using acting on hydraulic piston and valve
On pressure differential realize that valve motion is controllable, so as to fulfill the break-make between valve and blow vent, can effectively control valve timing and
Distribution duration angle is conducive to the realization of flexible distribution mode under internal combustion engine difference operating mode, significantly improves valve control freedom degree,
The economy and engine exhaust of fuel can further be improved, be conducive to improve the power performance of internal combustion engine.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the electrolyte control part schematic diagram of the present invention.
Specific embodiment
It illustrates below in conjunction with the accompanying drawings and the present invention is described in more detail：
With reference to Fig. 1~2, a kind of electromagnetic hydraulic pressure drive-type air distribution system of the present invention, it by high pressure oil rail 1, high-pressure oil pipe 2,
Electrolyte control part 3, valve body 4, spring base 5, valve return springs 6, valve 7, shell 8, blow vent 9, valve seating 10, oil return
Pipe 11, fuel tank 12, filter 13 and high-pressure oil pump 14 form.1 left end of high pressure oil rail by hydraulic oil pipe respectively with high-pressure oil pump 14,
Filter 13 is connected with fuel tank 12, multiple hydraulic oil outlets is provided on high pressure oil rail 1, the number of hydraulic oil outlet is according to internal combustion engine
The number of cylinder determines that hydraulic oil outlet is connected by high-pressure oil pipe 2 with the high pressure oil inlet being provided on valve body 4, valve
The low pressure oil return opening being provided on body 4 connects fuel tank 12 by oil return pipe 11.Electrolyte control part 3 by electrical connector 15, coil 16,
First high pressure fuel feed hole 17, the first sealed seat surface 18, the second sealed seat surface 19, the second high pressure fuel feed hole 20, high-low pressure through hole 21,
First control chamber 22, hydraulic piston 23, the second control chamber 24, low pressure oil return hole 25, control valve 26, armature 27 and control valve reset
Spring 28 forms.Be respectively designed on valve body 4 first high pressure fuel feed hole 17, the first sealed seat surface 18, the second sealed seat surface 19,
Second high pressure fuel feed hole 20, high-low pressure through hole 21 and low pressure oil return hole 25, the first high pressure fuel feed hole 17 on valve body 4 by being provided with
High-pressure oil duct connect and the second high pressure fuel feed hole 20 and be connected with the high-pressure oil passage on valve body 4 with high pressure oil inlet, it is low
It pushes back oilhole 25 by the low pressure drainback passage on valve body 4 with low pressure oil return opening to be connected, 23 upper end area of hydraulic piston is small
In lower end area, the upper end and lower end form the second control chamber 24 and the first control chamber 22, the first control between valve body 4 respectively
Chamber 22 processed is connected with high-low pressure through hole 21, and the second control chamber 24 is connected with the second high pressure fuel feed hole 20, is compacted in control valve 26
When on the first sealed seat surface 18, first control chamber of the connection of high-low pressure through hole 21 22 and low pressure oil return hole 25 are compressed in control valve 26
When on to the second sealed seat surface 19, high-low pressure through hole 21 connects the first control chamber 22 and the first high pressure fuel feed hole 17, and coil 16 is logical
It crosses electrical connector 15 with internal-combustion engine electronic control unit to be connected, and then controls lifting and taking a seat for control valve 26, armature 27 passes through stop
Ring is fixed on control valve 26, and is moved together therewith, and control valve 26 passes through control valve resetting spring 28 when coil 16 is not powered on
It is compacted on the second sealed seat surface 19.Hydraulic piston 23 is arranged on 7 top of valve and with the opening and closing of valve 7 and and valve
7 are synchronized with the movement, and spring base 5 is fixed on by locating snap ring on valve 7, and move together therewith, and valve return springs 6 are pressed on bullet
Between spring abutment 5 and shell 8, valve seating 10 limits the movement lift of valve 7.
Fig. 1 is the overall structure diagram of electromagnetic hydraulic pressure drive-type air distribution system of the present invention, including high pressure oil rail 1, high pressure
Oil pipe 2, electrolyte control part 3, valve body 4, spring base 5, valve return springs 6, valve 7, shell 8, blow vent 9, valve seating
10th, oil return pipe 11, fuel tank 12, filter 13 and high-pressure oil pump 14 form.1 left end of high pressure oil rail by hydraulic oil pipe respectively with high pressure
Oil pump 14, filter 13 are connected with fuel tank 12, are provided with multiple hydraulic oil outlets on high pressure oil rail 1, hydraulic oil outlet it is several
It is determined according to the number of cylinder of internal-combustion engine, as shown in Figure 1, schematic diagram when four-cylinder internal combustion engine is used for for the present invention, hydraulic oil outlet
It is connected by high-pressure oil pipe 2 with the high pressure oil inlet being provided on valve body 4, the low pressure oil return opening being provided on valve body 4 passes through
Oil return pipe 11 connects fuel tank 12.Electrical connector 15, coil 16, the first high pressure fuel feed hole 17, the sealing of the first sealed seat surface 18, second
It is seat surface 19, the second high pressure fuel feed hole 20, high-low pressure through hole 21, the first control chamber 22, hydraulic piston 23, the second control chamber 24, low
It pushes back oilhole 25, control valve 26, armature 27 and control valve resetting spring 28 and together constitutes electromagnetic hydraulic pressure drive-type air distribution system
Electrolyte control part 3, as shown in Figure 2.Be respectively designed on valve body 4 first high pressure fuel feed hole 17, the first sealed seat surface 18,
Second sealed seat surface 19, the second high pressure fuel feed hole 20, high-low pressure through hole 21 and low pressure oil return hole 25, the first high pressure fuel feed hole 17 are logical
Cross the high-pressure oil duct that is provided on valve body 4 connect the second high pressure fuel feed hole 20 and with the high-pressure oil passage and high pressure on valve body 4
Oil inlet is connected, and low pressure oil return hole 25 is connected by the low pressure drainback passage on valve body 4 with low pressure oil return opening, and hydraulic pressure is lived
23 upper end areas are filled in less than lower end area, and the upper end and lower end form the second control chamber 24 and first between valve body 4 respectively
Control chamber 22, the first control chamber 22 are connected with high-low pressure through hole 21, and the second control chamber 24 is connected with the second high pressure fuel feed hole 20,
When control valve 26 is compacted on the first sealed seat surface 18, first control chamber of the connection of high-low pressure through hole 21 22 and low pressure oil return hole 25,
When control valve 26 is compacted on the second sealed seat surface 19, high-low pressure through hole 21 connects the first control chamber 22 and the first high pressure oil inlet
Hole 17, coil 16 are connected by electrical connector 15 with internal-combustion engine electronic control unit, and then control lifting and taking a seat for control valve 26, are held in the mouth
Iron 27 is fixed on by locating snap ring on control valve 26, and is moved together therewith, and control valve 26 passes through control when coil 16 is not powered on
Valve resetting spring 28 is compacted on the second sealed seat surface 19.Hydraulic piston 23 be arranged on 7 top of valve and with valve 7 open and
It closes and is synchronized with the movement with valve 7, spring base 5 is fixed on by locating snap ring on valve 7, and is moved together therewith, valve return
Spring 6 is pressed between spring base 5 and shell 8, and valve seating 10 limits the movement lift of valve 7.As shown in Figure 1, this
When invention is for four-cylinder internal combustion engine, the hydraulic oil in fuel tank 12 flows through hydraulic oil pipe and flows into filter 13, and the hydraulic oil after filtering leads to
It crosses hydraulic oil pipe and flows into high-pressure oil pump 14, and certain pressure is supercharged in high-pressure oil pump 14, from the interior outflow of high-pressure oil pump 14
High pressure liquid pressure oil flow into high pressure oil rail 1 by hydraulic oil pipe, and storage of higher pressures is kept in high pressure oil rail 1, in high pressure oil rail 1
High-pressure and hydraulic oil stream flow into high pressure oil inlet in valve body 4 via the high pressure oil inlet that is provided on valve body 4 through high-pressure oil pipe 2 and lead to
Road, when electromagnetic hydraulic pressure drive-type air distribution system electrolyte control part 3 is not powered on, control valve resetting spring 28 compresses control valve 26
To the second sealed seat surface 19, at this point, high-low pressure through hole 21 is not connected with low pressure oil return hole 25, valve body 4 is flowed by high-pressure common rail 1
Interior high-pressure and hydraulic oil is two-way, the second control chamber 24 is flowed into via the second high pressure fuel feed hole 20 all the way, all the way via first
High pressure fuel feed hole 17 and high-low pressure through hole 21 flow into the first control chamber 22, since 23 upper end area of hydraulic piston is less than lower face
Product, therefore, hydraulic resultant force direction is upward suffered by hydraulic piston 23 at this time, and since valve return springs 6 are to the spring force of valve 7
Direction is also upward, so valve 7 is compacted under hydraulic coupling and spring force force action on valve seating 10, blow vent 9 and gas
Cylinder does not connect；It is received in 3 coil 16 of electromagnetic hydraulic pressure drive-type air distribution system electrolyte control part from internal-combustion engine electronic control unit
After controlling electric current, armature 27 is moved upwards by electromagnetic attracting force, while control valve 26 is pulled to move rapidly upward, control valve 26
The first sealed seat surface 18 is sealed, high-low pressure through hole 21 is disconnected with the first high pressure fuel feed hole 17, and the second sealed seat surface 19 is opened, height
Pressure through hole 21 is connected with low pressure oil return hole 25, and high-pressure and hydraulic oil stream is through high-low pressure through hole 21 and low pressure oil return in the first control chamber 22
Hole 25 flows back into fuel tank 12, and hydraulic fluid pressure declines rapidly in the first control chamber 22, and high pressure is still kept in the second control chamber 24,
Hydraulic resultant force suffered by hydraulic piston 23 is downward, and valve 7 is promoted to overcome cylinder suffered by the spring force of valve return springs 6 and valve 7
Interior pressure make a concerted effort, hydraulic piston 23 moves downwardly together with valve 7, and valve 7 leaves valve seating 10 and opens, blow vent 9 and
Cylinder connects, and opens distribution；When 3 coil 16 of electromagnetic hydraulic pressure drive-type air distribution system electrolyte control part powers off again, electromagnetism
Power disappears, and control valve 26 moves downward under the spring-force driven dual of control valve resetting spring 28 is again sealed off the second sealed seat surface
19, high-low pressure through hole 21 is disconnected with low pressure oil return hole 25, and the first sealed seat surface 18 is opened, and the first control chamber 22 is led to by high-low pressure
Hole 21 is connected with the first high pressure fuel feed hole 17, and pressure raises rapidly in the first control chamber 22, and hydraulic piston 23 drives valve 7 to exist
It is moved upwards under upward 6 spring-force driven dual of hydraulic coupling and valve return springs and is compacted to valve seating 10 and closes, complete one
Distribution cyclic process.Shown in Fig. 1, schematic diagram during four-cylinder internal combustion engine is used for for the present invention, it can be according to cylinder of internal-combustion engine number
Electrolyte control part 3, valve body 4, spring base 5, the valve return of electromagnetic hydraulic pressure drive-type air distribution system of the present invention is adjusted flexibly
The number of spring 6, valve 7, shell 8, blow vent 9 and valve seating 10 etc..The present invention using high pressure oil rail 1 significantly reduce due to
Valve 7 caused by caused hydraulic oil pressure fluctuation opens and closes unstable when electrolyte control part 3 switches high-low pressure oil circuit
Property, it is ensured that the reliability and uniformity of air distribution system work；By 3 control system of switching on or off electricity control valve of electrolyte control part 26
It moves, realizes the flexible control of the break-make and uninterrupted to high-low pressure oil circuit, can realize different distribution modes, it both can root
Valve timing is adjusted according to different operating modes, and distribution duration angle can be flexibly controlled, significantly improve 7 control freedom degree of valve, it can be into
One step improves the economy and engine exhaust of fuel, is conducive to improve the power performance of internal combustion engine.
Electromagnetic hydraulic pressure drive-type air distribution system of the present invention includes high pressure oil rail, high-pressure oil pipe, electrolyte control part, valve
Body, spring base, valve return springs, valve 7, shell, blow vent, valve seating, oil return pipe, fuel tank, filter and high-pressure oil pump.Gas
The high pressure oil inlet being provided in door body is connected by high-pressure oil pipe with high pressure oil rail, and the low pressure oil return opening being provided on valve body leads to
Cross oil return pipe connection fuel tank.Be respectively designed on valve body the first high pressure fuel feed hole, the first sealed seat surface, the second sealed seat surface,
Second high pressure fuel feed hole, high-low pressure through hole and low pressure oil return hole.Hydraulic piston is arranged on valve top, and spring base passes through locating snap ring
It is fixed on valve, valve return springs are pressed between spring base and shell.
Electrolyte control part includes electrical connector, coil, the first high pressure fuel feed hole, the first sealed seat surface, the second seal receptacle
Face, the second high pressure fuel feed hole, high-low pressure through hole, the first control chamber, hydraulic piston, the second control chamber, low pressure oil return hole, control
Valve, armature and control valve resetting spring.First high pressure fuel feed hole connects the second high pressure by the high-pressure oil duct being provided on valve body
Fuel feed hole is simultaneously connected with the high-pressure oil passage on valve body with high pressure oil inlet, and low pressure oil return hole passes through the low pressure on valve body
Drainback passage is connected with low pressure oil return opening, when control valve is compacted on the first sealed seat surface, high-low pressure through hole connection first
Control chamber and low pressure oil return hole, when control valve is compacted on the second sealed seat surface, high-low pressure through hole connect the first control chamber with
First high pressure fuel feed hole, coil are connected by electrical connector with internal-combustion engine electronic control unit, and armature is fixed on control by locating snap ring
On valve, control valve is compacted to by control valve resetting spring on the second sealed seat surface when circle is not powered on, and control valve passes through control
Valve resetting spring is compacted on the second sealed seat surface.
Hydraulic piston upper end area is less than lower end area, and the upper end and lower end form the second control between valve body respectively
Chamber and the first control chamber, the first control chamber are connected with high-low pressure through hole, and the second control chamber is connected with the second high pressure fuel feed hole.It is electro-hydraulic
Control section, valve body, spring base, valve return springs, valve, shell, blow vent and the quantity of valve seating and internal combustion engine gas
Cylinder quantity is identical.
Claims (3)
1. electromagnetic hydraulic pressure drive-type air distribution system, it is characterized in that：Including distribution unit, high pressure oil rail, fuel tank, the distribution unit
Including valve body, electrolyte control part, valve, shell；The electrolyte control part includes electromagnetic valve body, control valve, hydraulic pressure and lives
Plug, electromagnetic valve body and control valve are respectively positioned in valve body, and electromagnetic valve body includes valve body, coil, armature, and coil is wrapped in valve body
In, armature is located at below valve body, and control valve is connected with armature, the upper end connection control valve resetting spring of control valve, control valve
The end of resetting spring is withstood in valve body, and the middle part of control valve sets projection portion, and the width of projection portion is wider than it and connects up and down
The width of adjacent part, valve body portion where projection portion set projection portion chamber, above projection portion adjoining part with
Valve body forms oil suction chamber, and adjoining part forms oil back chamber, the upper and lower end face point of projection portion with valve body below projection portion
Not with valve mates, with being the first sealed seat surface at the cooperation of projection portion upper surface in valve body, in valve body with protrusion
It is the second sealed seat surface at the cooperation of part lower face, hydraulic piston is arranged in the valve body below control valve, under hydraulic piston
The first control chamber is formed between end and valve body, forms the second control chamber between hydraulic piston upper end and valve body, in valve body
Oil inlet pipe, the first high pressure fuel feed hole, the second high pressure fuel feed hole, low pressure oil return hole, high-low pressure through hole, oil inlet pipe are set respectively
High pressure oil rail is connected, the first high pressure fuel feed hole is respectively communicated with oil suction chamber and oil inlet pipe, and the second high pressure fuel feed hole is respectively communicated with the
Two control chambers and oil inlet pipe, low pressure oil return hole are respectively communicated with oil back chamber and fuel tank, and high-low pressure through hole is respectively communicated with projection portion
Chamber and the first control chamber, hydraulic piston lower section connect valve, and valve return springs, valve end installation valve are cased on valve
Seat, shell are mounted below valve body, and valve seating is located at outer side；The quantity of the distribution unit and engine cylinder
Quantity is consistent.
2. electromagnetic hydraulic pressure drive-type air distribution system according to claim 1, it is characterized in that：The upper surface of the hydraulic piston
Area is less than its lower face area.
3. electromagnetic hydraulic pressure drive-type air distribution system according to claim 1 or 2, it is characterized in that：It is close that control valve is depressed into first
When sealing on seat surface, high-low pressure through hole connects the first control chamber and low pressure oil return hole, high when control valve is depressed on the second sealed seat surface
Low pressure through hole connects the first control chamber and the first high pressure fuel feed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289489.8A CN105756739B (en) | 2016-05-04 | 2016-05-04 | Electromagnetic hydraulic pressure drive-type air distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289489.8A CN105756739B (en) | 2016-05-04 | 2016-05-04 | Electromagnetic hydraulic pressure drive-type air distribution system |
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| Publication Number | Publication Date |
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| CN105756739A CN105756739A (en) | 2016-07-13 |
| CN105756739B true CN105756739B (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610289489.8A Active CN105756739B (en) | 2016-05-04 | 2016-05-04 | Electromagnetic hydraulic pressure drive-type air distribution system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100689B (en) * | 2017-06-28 | 2023-04-07 | 吉林大学 | Electromagnetic control hydraulic drive type fully-variable valve mechanism |
| CN112211689B (en) * | 2020-10-14 | 2022-03-29 | 天津大学 | Control method of electro-hydraulic fully-variable valve mechanism based on distribution cam |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071733A (en) * | 1991-10-23 | 1993-05-05 | 新苏舍柴油机有限公司 | Device for hydraulically actuating outlet valve of reciprocating internal combustion engine |
| CN101865002A (en) * | 2010-05-25 | 2010-10-20 | 吉林大学 | Electrically-controlled hydraulic variable valve mechanism for internal combustion engine |
| CN103953427A (en) * | 2014-03-21 | 2014-07-30 | 哈尔滨工程大学 | Electro-hydraulic driving exhaust mechanism |
| CN205744035U (en) * | 2016-05-04 | 2016-11-30 | 哈尔滨工程大学 | Electromagnetic hydraulic pressure drive-type air distribution system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2978961B2 (en) * | 1994-12-16 | 1999-11-15 | 本田技研工業株式会社 | Electromagnetic drive valve control device for internal combustion engine |
| SE522163C2 (en) * | 2002-05-30 | 2004-01-20 | Cargine Engineering Ab | Method and device for pressure pulse generation |
-
2016
- 2016-05-04 CN CN201610289489.8A patent/CN105756739B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071733A (en) * | 1991-10-23 | 1993-05-05 | 新苏舍柴油机有限公司 | Device for hydraulically actuating outlet valve of reciprocating internal combustion engine |
| CN101865002A (en) * | 2010-05-25 | 2010-10-20 | 吉林大学 | Electrically-controlled hydraulic variable valve mechanism for internal combustion engine |
| CN103953427A (en) * | 2014-03-21 | 2014-07-30 | 哈尔滨工程大学 | Electro-hydraulic driving exhaust mechanism |
| CN205744035U (en) * | 2016-05-04 | 2016-11-30 | 哈尔滨工程大学 | Electromagnetic hydraulic pressure drive-type air distribution system |
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