CN106499555A - Integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices - Google Patents
Integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices Download PDFInfo
- Publication number
- CN106499555A CN106499555A CN201610831935.3A CN201610831935A CN106499555A CN 106499555 A CN106499555 A CN 106499555A CN 201610831935 A CN201610831935 A CN 201610831935A CN 106499555 A CN106499555 A CN 106499555A
- Authority
- CN
- China
- Prior art keywords
- valve
- needle
- oil
- control
- fuel
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
- F02M43/04—Injectors peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/0248—Injectors
- F02M21/0251—Details of actuators therefor
- F02M21/0254—Electric actuators, e.g. solenoid or piezoelectric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
-
- 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
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention reside in providing a kind of integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices, it is made up of a fuel nozzle and two structure identical gas nozzles, realize that fuel oil sprays using solenoid valve control fuel nozzle, two gas nozzles are controlled using two piezoelectric elements and realizes fuel gas injection, fuel injection motility is high, can realize that multiple jet modes, fuel nozzle adopt the motion of solenoid valve control needle-valve, fuel injection amount and fuel oil injection timing are controllable；Gas nozzle controls the motion of needle-valve using piezoelectric element, and needle lift is adjustable, and fuel gas injection amount and fuel gas injection rate control accuracy are high；Fuel oil at the needle chamber and pintle nozzle match-ing parts of gas nozzle is same oil, oil pressure is equal, it is to avoid the fuel oil static leakage at pintle nozzle match-ing parts；Gas nozzle fuel sealing combustion gas, is conducive to avoiding combustion gas from being leaked by pintle nozzle match-ing parts, improves fuel gas injection pressure and injection rate, improves the dynamic property and fuel economy of electromotor.
Description
Technical field
The present invention relates to a kind of fuel injection device of electromotor, specifically a kind of integrated form electromagnetism-bis- piezoelectricity are mixed
Close fuel injection device.
Background technology
Development engine replacing fuel is to solve energy shortage and problem of environmental pollution effectively one of means.Gas
Fuel substitutes combustion because rich reserves, the low advantage of cheap and disposal of pollutants become the electromotor with good development prospect
Material.Although only with a kind of gas engine discharge cleaning of gaseous fuel, gases used fuel energy density is low, and fuel disappears
Consumption is big, and use direction is limited；And diesel oil is adopted as light fluid, when gaseous fuel is used as the dual fuel engine of main fuel
Can flexibly switch between two kinds of fuel, replacement of fuel rate is high, with preferable dynamic property, economy and emission performance.
Existing in-cylinder direct-jet dual fuel engine is more to realize dual fuel injection using gas nozzle and fuel nozzle, exists
Weak point have：Gas nozzle and fuel nozzle are independently mounted on cylinder cap, and size and installation site are limited by cylinder cap；Single
Gas nozzle coupling engine power is limited, it is difficult to take into account the fuel gas injection amount demand under different capacity and fuel gas injection rule control
System requires, although and two independent gas nozzles can meet electromotor power demand on a large scale, size and installation site receive cylinder cap
Limit；Gas nozzle utilizes pressure gas jack-up needle-valve, but as the compressibility of gas is strong, is unfavorable for the essence for realizing needle valve movement
Really control, fuel gas injection is unstable；Additionally, during fuel gas injection, with needle-valve motion combustion gas by needle-valve and valve body it
Between gap to the leakage aggravation of electromagnetic valve end, cause fuel gas injection pressure and injection rate to reduce, the stability to fuel gas injection
There is harmful effect, have impact on engine power performance and fuel economy.
Content of the invention
Present invention aim at providing a kind of fuel injection motility height, the fuel gas injection amount of power on a large scale is disclosure satisfy that
Demand and system jet law variability requirements, can effectively improve the integrated form of the dynamic property and fuel economy of electromotor
Electromagnetism and double piezoelectricity hybrid fuel jet devices.
The object of the present invention is achieved like this：
The invention mainly comprises control section 2, nozzle segment 5, control device shell 1, injection apparatus shell 3, oil-feed oil
Road 9.Control section 2 is made up of Electromagnetic Control part 2a and the first piezoelectricity control section 2b, the second piezoelectricity control section 2c, electromagnetism
Control section 2a mainly includes that electromagnetic valve coil 11, the control valve 17 of armature 12, first, the first control valve seat 19, first control valve
The control valve return spring holder 15 of back-moving spring 16, first, the first oil-in 22, control piston 4, control chamber 21, oil return opening 20, let out
Oily passage 13, the first drain tap 14, control valve drain tap 18, the first piezoelectricity control section 2b mainly includes the first piezoelectric element
32nd, the first metallic gasket 31, first converts the control valve 29 of piston 30, second, the second control valve seat 27, second and controls valve reset bullet
The control valve return spring holder 23 of spring 26, second, the second oil-in 28, first control valve oil chamber 25, the second drain tap 24, the second pressure
Collecting of electrical controls 2c mainly includes that the second piezoelectric element 44, the second metallic gasket 33, second convert the control valve of piston the 34, the 3rd
43rd, the 3rd control valve seat 35, the 3rd control valve back-moving spring the 41, the 3rd control valve return spring holder 40, the 3rd oil-in 42, the
3 first control valve oil chambeies 36, the 3rd drain tap 37, electromagnetic valve coil 11 and armature 12 are arranged on inside control device shell 1,
First 17 upper end of control valve is stuck on armature 12 by locating snap ring, and the first 17 lower end of control valve is pressed on the first control valve seat 19, the
One control valve back-moving spring, 16 top is pressed on the first control valve return spring holder 15,16 bottom card of the first control valve back-moving spring
On the first control valve 17, the first control valve 17 arranges lower sealing cone, the first control valve return spring holder 15 and the first control
Using positioning finger setting between valve seat 19, using positioning finger setting between the first control valve seat 19 and control cavity, piston 4 is controlled
Control chamber 21 is formed between control cavity, oil return opening 20 is set on first control valve seat 19 and is controlled valve drain tap 18, first
Drain path 13 and the first drain tap 14, the first oil-in 22 and control chamber 21, oil return are set on control valve return spring holder 15
Mouth 20 is connected, and oil return opening 20 is connected with drain path 13 by the lower sealing cone of the first control valve 17, and drain path 13 passes through
Electromagnetic valve end is connected with the first drain tap 14, and the first piezoelectric element 32 is arranged on inside control device shell 1, the first piezoelectric element
First metallic gasket 31 is set below 32, and the first conversion piston 30 is stuck on the first metallic gasket 31, the first conversion piston 30 and
The second control valve 29 below is pressed on the second control valve back-moving spring 26, and the second control valve 29 is arranged on the second control valve seat
Inside 27,26 lower end of the second control valve back-moving spring is supported on the second control valve return spring holder 23, the second piezoelectricity control unit
The mounting means of the mounting means and the first piezoelectricity control section 2b of point 2c is identical, the second control valve 29 arrange upper sealing cone and
Lower sealing cone, forms first between the second control valve return spring holder 23 and the second control valve seat 27 and controls valve oil chamber 25, the
Two oil-ins 28 are connected by the second upper sealing cone for controlling valve 29 and the first control valve oil chamber 25, the first control valve oil chamber 25
Connected with the second drain tap 24 by the lower sealing cone of the second control valve 29, the upper sealing cone of the 3rd control setting of valve 43 is with
Sealing cone, the second control valve oil of formation chamber 36 between the 3rd control valve return spring holder 40 and the 3rd control valve seat 35, the 3rd
Oil-in 42 is connected by the 3rd upper sealing cone for controlling valve 43 and the second control valve oil chamber 36, and the second control valve oil chamber 36 leads to
The lower sealing cone for crossing the 3rd control valve 43 is connected with the 3rd drain tap 37.Nozzle segment 5 is fired by fuel nozzle part 34, first
Gas jets part 5b and the second gas nozzle part 5c, needle-valve base 49, needle-valve body fastening nut 56 are constituted, fuel nozzle part
34 mainly include the first needle-valve 50, the first needle-valve back-moving spring 45, the first needle-valve return spring holder 46, spacing orifice plate the 47, the 4th
Oil-in 48, oil holding slot 51, the first gas nozzle part 5b mainly include that the second needle-valve 53, the first gag lever post 8, the second needle-valve are multiple
Position spring 7, the first central oil passage 58, the first needle chamber 57, the first pressure tank 52, the first inlet channel 6, the 5th oil-in 55,
First band 54, the second gas nozzle part 5c mainly include the 3rd needle-valve 61, the second gag lever post 38, the 3rd needle-valve reset bullet
Spring 39, the second central oil passage 59, the second needle chamber 64, the second pressure tank 62, the second inlet channel 10, the 6th oil-in 63,
Two bands 60, the first needle-valve 50, the second needle-valve 53, the 3rd needle-valve 61 inside needle-valve base 49, the first needle-valve 50, the
Two needle-valves 53, the 3rd needle-valve 61 are fixed on injection apparatus shell 3 by needle-valve body fastening nut 56, needle-valve base 49 and injection
Using positioning finger setting between crust of the device 3, outside control piston 4, the first needle-valve is multiple for the first needle-valve back-moving spring 45
Position spring 45 is supported on the first needle-valve return spring holder 46, and the first needle-valve return spring holder 46 is connected and pacifies with the first needle-valve 50
It is mounted in inside spacing orifice plate 47, between the first needle-valve 50 and needle-valve base 49, forms oil holding slot 51, oil holding slot 51 and the 4th oil-feed
Mouth 48 is connected, and using positioning finger setting between spacing orifice plate 47 and needle-valve base 49, arranges the first limit inside injection apparatus shell 3
Position bar 8 and the second gag lever post 38,8 lower end of the first gag lever post are enclosed within inside the second needle-valve 53, and the second needle-valve back-moving spring 7 is arranged on
First gag lever post, 8 outer end, 7 lower end of the second needle-valve back-moving spring are supported on the second needle-valve 53, and 38 lower end of the second gag lever post is enclosed within
Inside 3rd needle-valve 61, the 3rd needle-valve back-moving spring 39 is arranged on 38 outer end of the second gag lever post, under the 3rd needle-valve back-moving spring 39
End is supported on the 3rd needle-valve 61, and the first gag lever post 8 and the second needle-valve 53 arrange the first central oil passage 58, the second needle-valve along axis
Form the first needle chamber 57 between 53 and injection apparatus shell 3, the connection of the first central oil passage 58 first controls valve oil chamber 25 and the
One needle chamber 57, forms the first pressure tank 52, the first pressure tank 52 and the first air inlet between the second needle-valve 53 and needle-valve base 49
Passage 6 is connected, and arranges annular first band 54 between needle-valve base 49 and the second needle-valve 53, and the first band 54 enters with the 5th
Hydraulic fluid port 55 is connected, and the second gag lever post 38 and the 3rd needle-valve 61 arrange the second central oil passage 59, the 3rd needle-valve 61 and injection along axis
The second needle chamber 64 is formed between crust of the device 3, and the connection of the second central oil passage 59 second controls valve oil chamber 36 and the second needle chamber
64, the second pressure tank 62 is formed between the 3rd needle-valve 61 and needle-valve base 49, the second pressure tank 62 is connected with the second inlet channel 10
Logical, annular second band 60, the second band 60 and the 6th oil-in 63 are set between needle-valve base 49 and the 3rd needle-valve 61
It is connected.Oil-feed oil duct 9 along control device shell 1 radially into hybrid fuel jet device in, and along control device shell 1 axially
It is downwardly in injection apparatus shell 3, oil-feed oil duct 9 separates three tunnel branches on control device shell 1, branch is by all the way
One oil-in 22 is entered in Electromagnetic Control part 2a, and branch enters the first piezoelectricity control section 2b by the second oil-in 28 all the way
In, branch is entered in the second piezoelectricity control section 2c by the 3rd oil-in 42 all the way, and oil-feed oil duct 9 is in injection apparatus shell 3
Three tunnel branches are separated, branch is entered in oil holding slot 51 by the 4th oil-in 48 all the way, and branch passes through the 5th oil-in 55 all the way
Enter in the first band 54, branch is entered in the second band 60 by the 6th oil-in 63 all the way；First inlet channel 6 leads to
Overspray crust of the device 3 is entered in the first pressure tank 52, and the second inlet channel 10 enters the second pressure-bearing by injection apparatus shell 3
In groove 62.
Integrated form electromagnetism-bis- piezoelectricity hybrid fuel jet devices of the present invention, by a fuel nozzle and two structure phases
Using solenoid valve control fuel nozzle, same gas nozzle composition, realizes that fuel oil sprays, controls two combustion gas using two piezoelectric elements
Nozzle realizes fuel gas injection, and fuel injection motility is high, disclosure satisfy that the fuel gas injection amount demand and system spray of power on a large scale
Rule variability requirements are penetrated, pure fuel injection mode, double fuel low discharge jet mode and double fuel big flow injection mould is realized
Multiple jet modes such as formula, the order fuel gas injection pattern of " anxious after first delaying ", meanwhile, gas nozzle utilizes fuel sealing combustion gas,
Can preferably solve the problems, such as that combustion gas is leaked by pintle nozzle match-ing parts, dynamic property and the fuel warp of electromotor can be effectively improved
Ji property.
It is an advantage of the current invention that：
It is made up of a fuel nozzle and two structure identical gas nozzles, is realized using solenoid valve control fuel nozzle
Fuel oil sprays, and controls two gas nozzles using two piezoelectric elements and realizes fuel gas injection, and fuel injection motility is high, can realize many
Jet mode is planted, when such as only fuel nozzle works, pure fuel injection mode, only fuel nozzle and a gas nozzle work is can achieve
When making, double fuel low discharge jet mode is can achieve, when fuel nozzle and two gas nozzles all work, can achieve the big stream of double fuel
Amount jet mode, can realize the order fuel gas injection pattern of " anxious after first delaying " during work during two gas nozzles difference；Fuel nozzle
Using the motion of solenoid valve control needle-valve, fuel injection amount and fuel oil injection timing are controllable；Gas nozzle is using the first piezoelectricity unit
Part controls the motion of needle-valve, and needle lift is adjustable, and fuel gas injection amount and fuel gas injection rate control accuracy are high；Gas nozzle fuel oil
Control needle-valve cavity pressure realizes the motion of needle-valve, improves combustion gas and backs down fuel gas injection wild effect caused by needle-valve, can
Preferably to meet system jetting stability requirement；Fuel oil at the needle chamber and pintle nozzle match-ing parts of gas nozzle is same oil,
Oil pressure is equal, it is to avoid the fuel oil static leakage at pintle nozzle match-ing parts；Gas nozzle fuel sealing combustion gas, is conducive to avoiding combustion gas
Leaked by pintle nozzle match-ing parts, improve fuel gas injection pressure and injection rate, improve dynamic property and the fuel economy of electromotor
Property.
Description of the drawings
Fig. 1 is the overall structure diagram of integrated form electromagnetism of the present invention and double piezoelectricity hybrid fuel jet devices；
Fig. 2 is integrated form electromagnetism of the present invention and overall structure diagram shown in Fig. 1 of double piezoelectricity hybrid fuel jet devices
B-O-A to sectional view；
Fig. 3 is integrated form electromagnetism of the present invention and overall structure diagram shown in Fig. 1 of double piezoelectricity hybrid fuel jet devices
O-C to sectional view；
Fig. 4 a- Fig. 4 b are integrated form electromagnetism of the present invention and B-O- shown in Fig. 2 or Fig. 3 of double piezoelectricity hybrid fuel jet devices
A controls part-structure schematic diagram to sectional view or O-C to the piezoelectricity of sectional view；
Fig. 5 a- Fig. 5 b are integrated form electromagnetism of the present invention and B-O- shown in Fig. 2 or Fig. 3 of double piezoelectricity hybrid fuel jet devices
A is to sectional view or O-C to the nozzle segment structural representation of sectional view.
Specific embodiment
The present invention is described further with reference to legend：
The present invention integrated form electromagnetism-bis- piezoelectricity hybrid fuel jet devices mainly include control section 2, nozzle segment 5,
Control device shell 1, injection apparatus shell 3, oil-feed oil duct 9, control section 2 is by Electromagnetic Control part 2a and structure identical
One piezoelectricity control section 2b, the second piezoelectricity control section 2c are constituted, and nozzle segment 5 is by fuel nozzle part 34, the first gas injection
Mouth point 5b and the second gas nozzle part 5c, needle-valve base 49, needle-valve body fastening nut 56 are constituted.First control valve 17 is arranged
Lower sealing cone, fuel oil draining in control control chamber 21, the second control valve 29 and the 3rd control valve 43 arrange upper sealing cone and
Lower sealing cone, realizes the switching between fuel oil inlet and outlet of fuel channel in the first control valve oil chamber 25 and the second control valve oil chamber 36, lets out
Oily passage 13 is connected with the first drain tap 14 by electromagnetic valve end, and electromagnetic valve end can reduce electromagnetic valve armature upper and lower full of fuel oil
The shock and vibration of motion, so as to improve the stability of dual-coil electromagnetic valve work, and flow through electromagnetic valve end during fuel oil draining, take away double
Electromagnetic valve heat, plays a part of to cool down electromagnetic valve, and control valve drain tap 18 is vented from the first control valve 17 and the first control valve
Fuel oil of the clearance flow to the first 17 bottom of control valve between seat 19, the first metallic gasket 31 and the second metallic gasket 33 play isolation
Effect, it is to avoid the first piezoelectric element 32 and the second piezoelectric element 44 touch the fuel oil that control section 2 leaks upwards, the first sealing
With 54 and second band 60 seal the combustion gas that leaks by pintle nozzle match-ing parts, the first pressure tank 52 and the second pressure tank 62 are played surely
Determine the effect of air pressure, so as to reduce impact of the air pressure fluctuation to fuel gas injection.
When dual fuel engine works, combustion gas all the way is entered in the first pressure tank 52 from the first inlet channel 6, combustion gas all the way
Enter in the 6th oil-in 63 from the second inlet channel 10, fuel oil enters hybrid fuel jet device from oil-feed oil duct 9, in control
1 Fen Wei of crust of the device, tetra- tunnels, lead up to the first oil-in 22 and enter in control chamber 21 and oil return opening 20, lead up to second and enter
Hydraulic fluid port 28 is entered in the first piezoelectricity control section 2b, is led up to the 3rd oil-in 42 and is entered in the second piezoelectricity control section 2c,
Enter injection apparatus shell 3 all the way, and be divided into three tunnels on injection apparatus shell 3, lead up to the 4th oil-in 48 and enter Sheng
In oil groove 51, lead up to the 5th oil-in 55 and enter in the first band 54, lead up to the 6th oil-in 63 and enter second
In band 60.As the present invention is made up of a fuel nozzle and two structure identical gas nozzles, now summary fuel oil spray
Mouth and the course of work of one of gas nozzle.
When electromagnetic valve coil 11 is powered, armature 12 drives first to control the bullet that valve 17 overcomes the first control valve back-moving spring 16
Spring force is moved upwards, and oil return opening 20 is connected with drain path 13, and fuel oil is fast by oil return opening 20, drain path 13 from control chamber 21
Speed is leaked in the first drain tap 14, and 21 fuel pressure of control chamber reduces rapidly, when reduced pressure is to certain value, oil holding slot 51
In act on fuel oil on the conical surface of the first needle-valve 50, overcome the spring force of the first needle-valve back-moving spring 45 to push up the first needle-valve 50
Rise, fuel oil starts to spray.During 11 power-off of electromagnetic valve coil, the lower sealing that the first control valve back-moving spring 16 controls valve 17 by first
Face is pressed in the lower sealing surface of the first control valve seat 19, and oil return opening 20 is no longer connected with drain path 13, now control chamber 21
Identical with the fuel pressure in oil holding slot 51, the first needle-valve 50 presses to needle-valve base in the presence of the first needle-valve back-moving spring 45
49, fuel oil does not spray.
When first piezoelectric element 32 is powered, the first piezoelectric element 32 extends, and the second control valve 29 overcomes the second control valve multiple
In the spring force of position spring 26 and the first control valve oil chamber 25, the hydraulic coupling of fuel oil is moved downward, the lower sealing of the second control valve 29
Face is pressed in the lower sealing surface of the second control valve return spring holder 23, the first control valve oil chamber 25 no longer with the second drain tap 24
Connection, the first control valve oil chamber 25 are connected with the second oil-in 28, and fuel oil passes through the second oil-in 28, first from oil-feed oil duct 9
Control valve oil chamber 25, the first central oil passage 58 are entered in the first needle chamber 57, and fuel oil is acted on 53 end face of the second needle-valve, is overcome
Second needle-valve, 53 jack-up, combustion gas are started to spray by the spring force of the second needle-valve back-moving spring 7.During the first 32 power-off of piezoelectric element,
Second control valve back-moving spring 26 is pressed on the upper sealing surface of the second control valve 29 on the upper sealing surface of the second control valve seat 27,
First control valve oil chamber 25 is no longer connected with the second oil-in 28, and the first control valve oil chamber 25 is connected with the second drain tap 24, the
Fuel oil in one needle chamber 57 controls valve oil chamber 25 by the first central oil passage 58, first and leaks in the second drain tap 24, and first
Reduced pressure in needle chamber 57, when reduced pressure is to certain value, the second needle-valve 53 is pressed to by the second control valve back-moving spring 26
Needle-valve base 49, combustion gas is not sprayed.
Integrated form electromagnetism-bis- piezoelectricity hybrid fuel jet devices have four kinds of mode of operations：The first is 50 work of the first needle-valve
Make, the mode of operation is pure fuel injection mode；It is for second that first needle-valve 50 is started working the second needle-valve 53 or the 3rd pin again
Valve 61 is started working, and the mode of operation can achieve small-power output；The third is that the first needle-valve 50 is started working the second needle-valve again
53 and the 3rd needle-valve 61 start simultaneously at work, the mode of operation can achieve high-power output；4th kind is that the first needle-valve 50 starts
Work is started working when the second needle-valve 53 and the 3rd needle-valve 61 are differed from again, and the mode of operation can achieve the order combustion gas of " anxious after first delaying "
Jet law；Secondth, the third, four kinds of mode of operations be all dual injection mode, the fuel oil compression ignition of fuel nozzle injection
The combustion gas of gas nozzle injection is lighted afterwards.
The fuel oil of the first band 54 when dual fuel engine works, is entered, the combustion being accumulated in the first pressure tank 52 is made
Gas will not pass through the clearance leakage between the second needle-valve 53 and needle-valve base 49, enter the fuel oil of the second band 60, make accumulation
Combustion gas in the second pressure tank 62 will not be by the clearance leakage between the 3rd needle-valve 61 and needle-valve base 49, so as to avoid
The combustion gas static leakage of hybrid fuel jet device；During the second needle-valve 53, the 3rd needle-valve 61 is moved, the first pressure tank
52nd, the combustion gas in the second pressure tank 62 is leaked upwards by pintle nozzle match-ing parts, the combustion in the first band 54, the second band 60
Will not leak at the second needle-valve back-moving spring 7, the 3rd needle-valve back-moving spring 39 under oil effect, directly avoid fuel combination spray
The combustion gas dynamic leakage of injection device.
As shown in the above description, integrated form electromagnetism-bis- piezoelectricity hybrid fuel jet devices are by a fuel nozzle and two
Structure identical gas nozzle is constituted, and is realized that fuel oil sprays using solenoid valve control fuel nozzle, is controlled using two piezoelectric elements
Fuel gas injection realized by two gas nozzles, and fuel injection motility is high, can realize multiple jet modes, meanwhile, gas nozzle profit
Fuel sealing combustion gas is used, can preferably be solved the problems, such as that combustion gas is leaked by pintle nozzle match-ing parts, electromotor can be effectively improved
Dynamic property and fuel economy.
Claims (7)
1. a kind of integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices, is characterized in that：One fuel nozzle and two structures
Identical gas nozzle is combined in injection apparatus, including control section, nozzle segment, oil-feed oil duct；Control section by
Electromagnetic Control part and the first piezoelectricity control section (2b), the second piezoelectricity control section composition, nozzle segment is by fuel nozzle portion
Divide, the first gas nozzle part and the second gas nozzle part, needle-valve body fastening nut, needle-valve base constitute, described oil-feed
Oil duct along control device shell radially into hybrid fuel jet device in, and be axially downwardly into injection along control device shell
In crust of the device, oil-feed oil duct separates three tunnel branches on control device shell, and branch enters electricity by the first oil-in all the way
In magnetic control part, branch is entered in the first piezoelectricity control section by the second oil-in all the way, and branch enters by the 3rd all the way
Hydraulic fluid port is entered in the second piezoelectricity control section, and oil-feed oil duct separates three tunnel branches in injection apparatus shell, and branch is by all the way
Four oil-ins are entered in oil holding slot, and branch is entered in the first band by the 5th oil-in all the way, and branch passes through the 6th all the way
Oil-in is entered in the second band；First inlet channel is entered in the first pressure tank by injection apparatus shell, the second air inlet
Passage (10) is entered in the second pressure tank by injection apparatus shell.
2. integrated form electromagnetism according to claim 1 and double piezoelectricity hybrid fuel jet devices, is characterized in that：Described electricity
Magnetic control part includes that electromagnetic valve coil and the first control valve, electromagnetic valve coil are arranged on control device enclosure, electromagnetic valve
Armature is set below coil, and the first control valve upper end is stuck on armature by locating snap ring, and the first control valve lower end is pressed in the first control
On valve seat, on the first control valve return spring holder, first controls valve back-moving spring bottom to the first control valve back-moving spring top side pressure
End is stuck on the first control valve, and the first control valve arranges lower sealing cone, forms control chamber between control piston and control cavity,
First oil-in is connected with control chamber, oil return opening, and oil return opening is connected with drain path by the lower sealing cone of the first control valve,
Drain path is connected with the first drain tap by electromagnetic valve end.
3. integrated form electromagnetism according to claim 1 and double piezoelectricity hybrid fuel jet devices, is characterized in that：Described
One piezoelectricity control section includes that the first piezoelectric element and the second control valve, the first piezoelectric element are arranged on control device inside the shell
Portion, arranges the first metallic gasket below the first piezoelectric element, the first conversion piston is stuck on the first metallic gasket, and the first conversion is lived
Plug and the second control valve below are pressed on the second control valve back-moving spring, and the second control valve is in the second control valve seat
Portion, the second control valve back-moving spring lower end are supported on the second control valve return spring holder, the installation of the second piezoelectricity control section
Mode is identical with the mounting means of the first piezoelectricity control section.
4. integrated form electromagnetism according to claim 1 and double piezoelectricity hybrid fuel jet devices, is characterized in that：Second control
Valve arranges upper sealing cone and lower sealing cone, forms first and control between the second control valve return spring holder and the second control valve seat
Valve oil chamber processed, upper sealing cone and first control valve oil chamber connection of second oil-in by the second control valve, the first control valve
Oil pocket is passed through the lower sealing cone of the second control valve and is connected with the second drain tap, and it is close with that the 3rd control valve arranges upper sealing cone
The envelope conical surface, forms second and controls valve oil chamber between the 3rd control valve return spring holder and the 3rd control valve seat, the 3rd oil-in leads to
Upper sealing cone and the second control valve oil chamber connection of the 3rd control valve is crossed, under the second control valve oil chamber is by the 3rd control valve
Sealing cone is connected with the 3rd drain tap.
5. integrated form electromagnetism according to claim 1 and double piezoelectricity hybrid fuel jet devices, is characterized in that：Described combustion
Oil burner nozzle part includes that the first needle-valve and the first needle-valve back-moving spring, the first needle-valve back-moving spring are arranged on control piston exterior,
First needle-valve back-moving spring is supported on the first needle-valve return spring holder, the first needle-valve return spring holder be connected with the first needle-valve and
Spacing hole intralaminar part is arranged on, oil holding slot between the first needle-valve and needle-valve base, is formed, oil holding slot is connected with the 4th oil-in.
6. integrated form electromagnetism according to claim 1 and double piezoelectricity hybrid fuel jet devices, is characterized in that：Described
One gas nozzle part includes that the first gag lever post and the second needle-valve, the first gag lever post lower end are enclosed within inside the second needle-valve, the second pin
Valve back-moving spring is arranged on the first gag lever post outer end, and the second needle-valve back-moving spring lower end is supported on the second needle-valve, the second needle-valve
The first needle chamber is formed between injection apparatus shell, and the first gag lever post and the second needle-valve arrange the first central oil passage along axis,
First central oil passage connection first controls valve oil chamber and the first needle chamber, forms the first pressure-bearing between the second needle-valve and needle-valve base
Groove, the first pressure tank are connected with the first inlet channel, arrange annular first band between needle-valve base and the second needle-valve, and first
Band is connected with the 5th oil-in.
7. integrated form electromagnetism according to claim 1 and double piezoelectricity hybrid fuel jet devices, is characterized in that：Described
Two gas nozzle parts include that the second gag lever post and the 3rd needle-valve, the second gag lever post lower end are enclosed within inside the 3rd needle-valve, the 3rd pin
Valve back-moving spring is arranged on the second gag lever post outer end, and the 3rd needle-valve back-moving spring lower end is supported on the 3rd needle-valve, the 3rd needle-valve
The second needle chamber is formed between injection apparatus shell, and the second gag lever post and the 3rd needle-valve arrange the second central oil passage along axis,
Second central oil passage connection second controls valve oil chamber and the second needle chamber, forms the second pressure-bearing between the 3rd needle-valve and needle-valve base
Groove, the second pressure tank are connected with the second inlet channel, arrange annular second band between needle-valve base and the 3rd needle-valve, and second
Band is connected with the 6th oil-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831935.3A CN106499555B (en) | 2016-09-19 | 2016-09-19 | Integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831935.3A CN106499555B (en) | 2016-09-19 | 2016-09-19 | Integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499555A true CN106499555A (en) | 2017-03-15 |
| CN106499555B CN106499555B (en) | 2018-08-31 |
Family
ID=58290267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610831935.3A Expired - Fee Related CN106499555B (en) | 2016-09-19 | 2016-09-19 | Integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106499555B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288886A (en) * | 2022-07-07 | 2022-11-04 | 重庆红江机械有限责任公司 | Micro-spraying integrated double-electromagnetic control type ammonia fuel injector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1111229A2 (en) * | 1999-12-16 | 2001-06-27 | Wärtsilä NSD Oy Ab | Fuel injection valve for reciprocating internal combustion engine |
| US6270024B1 (en) * | 2000-01-12 | 2001-08-07 | Woodward Governor Company | Hydraulically actuated fuel injector cartridge and system for high pressure gaseous fuel injection |
| CN103237979A (en) * | 2010-12-02 | 2013-08-07 | 瓦锡兰芬兰有限公司 | A fuel injection unit, a method of operating such and an internal combustion engine |
| CN204704029U (en) * | 2015-06-28 | 2015-10-14 | 贵州华烽电器有限公司 | Combination electric controlled injection valve |
-
2016
- 2016-09-19 CN CN201610831935.3A patent/CN106499555B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1111229A2 (en) * | 1999-12-16 | 2001-06-27 | Wärtsilä NSD Oy Ab | Fuel injection valve for reciprocating internal combustion engine |
| US6270024B1 (en) * | 2000-01-12 | 2001-08-07 | Woodward Governor Company | Hydraulically actuated fuel injector cartridge and system for high pressure gaseous fuel injection |
| CN103237979A (en) * | 2010-12-02 | 2013-08-07 | 瓦锡兰芬兰有限公司 | A fuel injection unit, a method of operating such and an internal combustion engine |
| CN204704029U (en) * | 2015-06-28 | 2015-10-14 | 贵州华烽电器有限公司 | Combination electric controlled injection valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115288886A (en) * | 2022-07-07 | 2022-11-04 | 重庆红江机械有限责任公司 | Micro-spraying integrated double-electromagnetic control type ammonia fuel injector |
| CN115288886B (en) * | 2022-07-07 | 2023-09-26 | 重庆红江机械有限责任公司 | Two electromagnetic control formula ammonia fuel injector of collection micro-jetting in an organic whole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499555B (en) | 2018-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105351130B (en) | It is pressurized No leakage voltage control standard fuel gas ejecting device | |
| CN106499555A (en) | Integrated form electromagnetism and double piezoelectricity hybrid fuel jet devices | |
| CN105756832B (en) | Combined mechanical oil spout electromagnetism jet hybrid fuel jet device | |
| CN105626317B (en) | The double electromagnetism fuel gas ejecting devices of combined type | |
| CN105756821B (en) | The double piezoelectricity hybrid fuel jet devices of the non pressurized fuel oil-pressurized combustion gases of combined type | |
| CN105351115B (en) | No leakage voltage control standard fuel gas ejecting device | |
| CN206280178U (en) | Combined electromagnetic oil spout piezoelectricity jet hybrid fuel jet device | |
| CN205779392U (en) | The double supercharging electromagnetic fuel injection piezoelectricity jet hybrid fuel jet device of combination type | |
| CN205206999U (en) | There is not piezoelectric control of leakage formula fuel gas jetting device | |
| CN105756825B (en) | Combined electromagnetic oil spout is pressurized piezoelectricity jet hybrid fuel jet device | |
| CN105756820B (en) | Combined type is pressurized the non pressurized piezoelectricity jet hybrid fuel jet device of electromagnetic fuel injection | |
| CN105756829B (en) | Combined mechanical oil spout is pressurized piezoelectricity jet hybrid fuel jet device | |
| CN106523165B (en) | Mechanically and electrically magnetic mixing controls dual fuel injection device to integrated form | |
| CN205714518U (en) | The double piezoelectricity hybrid fuel jet device of the non pressurized fuel oil-pressurized combustion gases of combination type | |
| CN205908402U (en) | Modular oil spout of pressure boost electromagnetism jet -propelled fuel injection apparatus that mixes of non -supercharged piezoelectricity | |
| CN105756822B (en) | The double supercharging electromagnetic fuel injection piezoelectricity jet hybrid fuel jet devices of combined type | |
| CN205714519U (en) | Combined double-pressure electricity hybrid fuel jet device | |
| CN205779395U (en) | Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device | |
| CN205714523U (en) | Combined mechanical oil spout-piezoelectricity jet hybrid fuel jet device | |
| CN205207029U (en) | Piezoelectric control of leakage formula fuel gas jetting device is not had in pressure boost | |
| CN105756828B (en) | Combined double-pressure electricity hybrid fuel jet device | |
| CN205714521U (en) | Combined mechanical oil spout-supercharging piezoelectricity jet hybrid fuel jet device | |
| CN105756827B (en) | Combined electromagnetic oil spout piezoelectricity jet hybrid fuel jet device | |
| CN105736186B (en) | It is pressurized electromagnetism and supercharging piezoelectricity combination gas gas spraying device | |
| CN105673257B (en) | Supercharging and non pressurized combined double-pressure electricity fuel gas ejecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200924 Address after: Room 202, building 10, Longhu, Chanba 1st Road, Weiyang District, Xi'an City, Shaanxi Province Patentee after: Xi'an Jinzhong Electromechanical Engineering Co.,Ltd. Address before: 150001 Heilongjiang, Nangang District, Nantong street,, Harbin Engineering University, Department of Intellectual Property Office Patentee before: HARBIN ENGINEERING University |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |