CN205779395U - Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device - Google Patents
Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device Download PDFInfo
- Publication number
- CN205779395U CN205779395U CN201620338866.8U CN201620338866U CN205779395U CN 205779395 U CN205779395 U CN 205779395U CN 201620338866 U CN201620338866 U CN 201620338866U CN 205779395 U CN205779395 U CN 205779395U
- Authority
- CN
- China
- Prior art keywords
- control valve
- oil
- valve
- needle
- control
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The purpose of this utility model is to provide combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device, including combustion gas compression portion, electromagnetism piezoelectricity control part, nozzle segment, inlet channel, oil-feed oil duct etc..The motion that this utility model utilizes boost electromagnetic valve to control charged piston realizes combustion gas supercharging, utilize electromagnetic valve to control fuel nozzle and realize fuel oil injection, utilize piezoelectric element to control gas nozzle and realize fuel gas injection, it is possible to realize the injection of pure fuel oil, fuel oil/non pressurized combustion gas dual fuel injection and fuel oil/pressurized combustion gases dual fuel injection three kinds mode of operation；Can quickly realize combustion gas boosting jet and the combustion gas switching without boosting jet, meet the different requirements to fuel gas injection pressure of the dual fuel engine different capacity, it is capable of the injection of pure fuel oil and the switching of dual fuel injection, fuel injection amount and fuel oil injection timing are controlled, thus improve fuel gas injection pressure and injection rate, improve dynamic property and the fuel economy of electromotor.
Description
Technical field
The utility model relates to a kind of fuel injection device, specifically dual fuel engine fuel injection dress
Put.
Background technology
Development engine replacing fuel is to solve energy shortage and problem of environmental pollution effectively one of means.Gas
Fuel has the electromotor of good development prospect substitute combustion because the advantages such as rich reserves, cheap and disposal of pollutants be low becomes
Material.Although the gas engine only with a kind of gaseous fuel discharges cleaning, but gases used fuel energy density is low, and fuel disappears
Consumption is big, uses direction limited；And use diesel oil as light fluid, when gaseous fuel uses as the dual fuel engine of main fuel
Can switch flexibly between two kinds of fuel, replacement of fuel rate is high, has preferable dynamic property, economy and emission performance.
The gas nozzle of existing in-cylinder direct-jet dual fuel engine many employings electromagnetic control type and fuel nozzle, combustion gas increases
Pressure uses high-pressure pump compressed gas to have to authorized pressure, the weak point existed: gas nozzle and fuel nozzle are independently installed
On cylinder cap, size and installation site are limited by cylinder cap；High-pressure pump structure is complicated, the transmission pipeline from pump end to gas nozzle
Long, there is certain leakage in pressurized combustion gases；Gas nozzle utilizes pressure gas jack-up needle-valve, but owing to the compressibility of gas is strong,
Being unfavorable for realizing the accurate control of needle valve movement, fuel gas injection is unstable；Additionally, during fuel gas injection, along with the fortune of needle-valve
Dynamic combustion gas to the leakage aggravation of electromagnetic valve end, causes fuel gas injection pressure and injection rate fall by the gap between needle-valve and valve body
Low, the stability of fuel gas injection there is is harmful effect, have impact on engine power performance and fuel economy.
Summary of the invention
The purpose of this utility model is that offer is capable of the injection of pure fuel oil, fuel oil/non pressurized combustion gas dual fuel injection
Combined electromagnetic oil spout with fuel oil/three kinds of mode of operations of pressurized combustion gases dual fuel injection-supercharging piezoelectricity jet fuel combination spray
Injection device.
The purpose of this utility model is achieved in that
This utility model combined electromagnetic oil spout-supercharging piezoelectricity jet hybrid fuel jet device, is characterized in that: include control
Crust of the device processed, injection apparatus shell, combustion gas compression portion, piezo jet part, electromagnetic injection part, needle-valve base, control
Crust of the device is arranged in injection apparatus shell, and needle-valve base is arranged on below injection apparatus shell by fastening nut, described
Needle-valve base includes piezoelectricity base and electromagnetic base；
Described combustion gas compression portion include pressurizer shell, supercharger control valve, boost electromagnetic valve coil, supercharging armature,
Supercharger control valve back-moving spring, supercharger control valve return spring holder, pressurization control valve base, charged piston, check valve, supercharging fills
Put shell to be arranged on above control crust of the device, pressurizer shell arranges pressurised oil oil-in, pressurised oil drain tap, air inlet
Mouthful, boost electromagnetic valve coil is arranged in pressurizer shell, and supercharging armature is positioned at below boost electromagnetic valve coil, pressurization control
The upper end of valve is stuck on supercharging armature by locating snap ring, and the lower end of supercharger control valve is through the supercharger control valve below supercharging armature
Return spring holder is pressed on pressurization control valve base, and supercharger control valve arranges sealing cone and the lower seal conical surface, supercharging control
Forming supercharger control valve oil pocket between valve return spring holder processed and pressurization control valve base, pressurised oil oil-in passes through pressurization control
The lower seal conical surface of valve connects with supercharger control valve oil pocket, supercharger control valve oil pocket by the upper sealing cone of supercharger control valve with
Pressurised oil drain tap connects, and pressurization control valve base has supercharger control valve drain tap, and charged piston is arranged on supercharger control valve
The lower section of base, forms charged piston epicoele, charged piston epicoele and supercharging control between pressurization control valve base and charged piston
Valve oil chamber processed connect, in the middle part of pressurizer shell and charged piston between formed charged piston back-moving spring chamber, charged piston is multiple
Position spring is placed on charged piston and is positioned at charged piston back-moving spring intracavity portion, pressurizer shell and charged piston lower end it
Between charged piston cavity of resorption is set, check valve is arranged in pressurizer shell, and the import of check valve is connected with air inlet, unidirectional
The outlet charged piston cavity of resorption of valve, arranges pressurized combustion gases outlet below charged piston cavity of resorption,
Described piezo jet part includes piezoelectric element, conversion piston, the second control valve, the second control valve seat, the second control
Valve return spring holder processed, gag lever post, the second needle-valve, the second needle-valve back-moving spring, piezoelectric element is arranged in control crust of the device,
Arranging metallic gasket below piezoelectric element, conversion piston upper end is stuck on metallic gasket, arranges the second control below conversion piston
Valve, the second control valve is arranged on inside the second control valve seat, and the second control valve arranges sealing cone and the lower seal conical surface,
Being cased with the second control valve back-moving spring between upper sealing cone and the lower seal conical surface, the second control valve back-moving spring lower end is supported on
On second control valve return spring holder, between the second control valve return spring holder and the second control valve seat, form control valve oil pocket,
Have the second oil-in on second control valve seat, the second control valve return spring holder has the second drain tap, the second oil-in
Realize connecting or disconnecting with control valve oil pocket by the upper sealing cone of control valve, the control valve oil pocket lower seal by control valve
The conical surface and the second drain tap realize connection or disconnect, and gag lever post is arranged on below the second control valve return spring holder, gag lever post
Lower end is placed on inside the second needle-valve, and the second needle-valve back-moving spring is enclosed within outside gag lever post, and the lower end of the second needle-valve back-moving spring is propped up
Support is on the second needle-valve, and the second needle-valve is arranged in the piezoelectricity base of needle-valve base, between the second needle-valve and injection apparatus shell
Form needle chamber, gag lever post and the second needle-valve and central oil passage, central oil passage connection control valve oil pocket and needle-valve are set along axis
Chamber, arranges band and pressure tank between the second needle-valve and piezoelectricity base, arrange and communicate with oil-feed oil duct in injection apparatus shell
The 4th oil-in, band and the 4th oil-in be connected, arrange inlet channel in injection apparatus shell, and pressure tank passes through air inlet
Channel connection pressurized combustion gases exports；
Described electromagnetic injection part includes electromagnetic valve coil, armature, the first control valve, the first control valve seat, the first control
Valve back-moving spring, the first control valve return spring holder, control piston, electromagnetic valve coil and armature are arranged in control crust of the device
Portion, is armature chamber at armature place, and the first control valve upper end is stuck on armature by locating snap ring, and the first control valve is through the first control
Valve return spring holder processed is also pressed on the first control valve seat, forms control between bottom and first control valve seat of the first control valve
Valve draining chamber processed, forms draining chamber, the first control valve reset bullet between the first control valve return spring holder and the first control valve seat
Spring is enclosed within the first control valve, and the top of the first control valve back-moving spring withstands on the first control valve return spring holder, the first control
The bottom of valve back-moving spring processed is stuck in the first control valve, and the first control valve arranges the lower seal conical surface, below the first control valve seat
Arranging control cavity, the upper end of control piston is arranged in control cavity and and controls to form control chamber between cavity, first
Arranging drain path and the first drain tap on control valve return spring holder, drain path connection armature chamber and draining chamber, first lets out
Hydraulic fluid port connection armature chamber, the first control valve seat arranges oil return opening and control valve drain tap, controls chamber by controlling crust of the device
In first oil-in connection oil-feed oil duct, oil return opening one end connection control chamber, the other end of oil return opening by first control
The lower sealing surface of valve realizes the connection with draining chamber or disconnection, and the bottom controlling piston connects the first needle-valve return spring holder,
First needle-valve is arranged in electromagnetic base and is positioned at below the first needle-valve return spring holder, controls to be cased with the first needle-valve on piston multiple
Position spring, forms oil holding slot, arranges the 3rd oil-in in the first needle-valve return spring holder, contain between the first needle-valve and electromagnetic base
Oil groove is by the 3rd oil-in connection oil-feed oil duct.
This utility model can also include:
1, during piezoelectric element energising, piezoelectric element extends, and the second control valve overcomes the spring of the second control valve back-moving spring
In power and control valve oil pocket, the hydraulic coupling of fuel oil moves downward, and the lower sealing surface of the second control valve is pressed in the second control valve reset bullet
On spring abutment, control valve oil pocket and the second drain tap disconnect, and control valve oil pocket and the connection of the second oil-in, fuel oil leads to from oil-feed oil duct
Crossing in the second oil-in, control valve oil pocket, central oil passage entrance needle chamber, fuel oil acts on the second needle-valve, overcomes the second pin
The spring force of valve back-moving spring is by the second needle-valve jack-up, fuel gas injection；During piezoelectric element power-off, the second control valve back-moving spring will
The upper sealing surface of the second control valve is pressed on the second control valve seat, and control valve oil pocket and the second oil-in disconnect, control valve oil pocket
Connecting with the second drain tap, the fuel oil in needle chamber leaks in the second drain tap by central oil passage, control valve oil pocket, needle-valve
Cavity pressure reduces, and the second needle-valve is pressed to needle-valve base by the second control valve back-moving spring, and combustion gas is not sprayed.
2, during electromagnetic valve coil energising, armature drive the first control valve overcome the spring force of the first control valve back-moving spring to
Upper motion, oil return opening connects with drain path, and fuel oil leaks into the first drain tap from controlling chamber by oil return opening, drain path,
Control intracavity fuel pressure to reduce, oil holding slot acts on the fuel oil on the first needle-valve, overcomes the bullet of the first needle-valve back-moving spring
First needle-valve jack-up, fuel oil are sprayed by spring force；During electromagnetic valve coil power-off, the first control valve back-moving spring is by the first control valve
Lower sealing surface is pressed on the first control valve seat, and oil return opening disconnects with drain path, and the first needle-valve is at the first needle-valve back-moving spring
Pressing to needle-valve base under effect, fuel oil does not sprays.
Advantage of the present utility model is: utilizing boost electromagnetic valve to control charged piston and realize the supercharging of combustion gas, combustion gas increases
Pressure pressure and combustion gas charging efficiency are high, can quickly realize combustion gas boosting jet and the combustion gas switching without boosting jet, meet double
The different requirements to fuel gas injection pressure of the engine fuel different capacity；Utilize electromagnetic valve to control fuel nozzle and realize fuel oil spray
Penetrating, utilize piezoelectric element to control gas nozzle and realize fuel gas injection, fuel injection motility is high, can realize pure fuel oil service pattern
With double fuel mode of operation；Gas nozzle use piezoelectric element control needle-valve motion, needle lift is adjustable, fuel gas injection amount and
Fuel gas injection rate control accuracy is high；It is fixed that fuel nozzle uses electromagnetic valve to control the motion of needle-valve, fuel injection amount and fuel oil injection
Time controlled；Gas nozzle fuel oil controls needle-valve cavity pressure and realizes the motion of needle-valve, improves combustion gas and backs down what needle-valve caused
Fuel gas injection wild effect, can preferably meet system jetting stability requirement；Charged piston and pressurizer shell it
Between use long mating band and charged piston back-moving spring chamber, it is to avoid gas leakage, improve pressurizer of gas work stablize
Property；Fuel oil at the needle chamber of gas nozzle and pintle nozzle match-ing parts is same oil, and oil pressure is equal, it is to avoid the combustion at pintle nozzle match-ing parts
Oil static leakage；Gas nozzle fuel sealing combustion gas, is conducive to avoiding combustion gas to be leaked by pintle nozzle match-ing parts, improves gas injection
Injection pressure and injection rate, improve dynamic property and the fuel economy of electromotor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is combustion gas compression portion schematic diagram of the present utility model；
Fig. 3 is that electromagnetism-piezoelectricity controls partial schematic diagram；
Fig. 4 is nozzle segment schematic diagram.
Detailed description of the invention
Illustrate below in conjunction with the accompanying drawings and this utility model be described in more detail:
In conjunction with Fig. 1～4, combined electromagnetic oil spout of the present utility model-supercharging piezoelectricity jet hybrid fuel jet device master
Combustion gas compression portion 10 to be included, electromagnetism-piezoelectricity controls part 2, nozzle segment 5, pressurizer shell 22, controls crust of the device
1, injection apparatus shell 3, inlet channel 6, oil-feed oil duct 9.Combustion gas compression portion 10 by air inlet 16, pressurized combustion gases outlet 21,
Pressurised oil oil-in 14, pressurised oil drain tap 28, charged piston 23, charged piston epicoele 15, charged piston cavity of resorption 20, supercharging are lived
Plug back-moving spring 17, charged piston back-moving spring chamber 24, boost electromagnetic valve coil 11, supercharging armature 30, supercharger control valve 12, increasing
Pressure control valve back-moving spring 29, supercharger control valve oil pocket 27, pressurization control valve base 26, supercharger control valve return spring holder 13,
Supercharger control valve drain tap 25, check valve 19, check valve back-moving spring 18 etc. form, and boost electromagnetic valve coil 11 is arranged on supercharging
In crust of the device 22, supercharging armature 30 is positioned at below boost electromagnetic valve coil 11, and the upper end of supercharger control valve 12 is by locating snap ring card
On supercharging armature 30, supercharger control valve 12 lower end is pressed in through the supercharger control valve return spring holder 13 below supercharging armature 30
On pressurization control valve base 26, check valve 19 right-hand member is connected by screw and is fixed on check valve little spring seat, and check valve resets
Spring 18 left end is stuck on one-way valve seat by check valve big spring seat, and check valve back-moving spring 18 right-hand member passes through the little bullet of check valve
Check valve 19 left end is pressed on one-way valve seat by spring abutment, between supercharger control valve return spring holder 13 and pressurization control valve base 26
Forming supercharger control valve oil pocket 27, pressurised oil oil-feed oil circuit 14 passes through the lower seal conical surface and the supercharger control valve of supercharger control valve 12
Oil pocket 27 connects, and supercharger control valve oil pocket 27 is by the upper sealing cone of supercharger control valve 12 with pressurised oil draining oil circuit 28 even
Logical, pressurization control valve base 26 has supercharger control valve drain tap 25, and charged piston 23 is installed in pressurization control valve base 26 lower end,
Charged piston epicoele 15, charged piston epicoele 15 and supercharger control valve is formed between pressurization control valve base 26 and charged piston 23
Oil pocket 27 connects, and arranges charged piston back-moving spring chamber 24 between pressurizer shell 22 and charged piston 23 outer end, and supercharging is lived
It is internal, between pressurizer shell 22 and charged piston 23 lower end that plug back-moving spring 17 is arranged on charged piston back-moving spring chamber 24
Arranging charged piston cavity of resorption 20, charged piston cavity of resorption 20 connects air inlet 16 and pressurized combustion gases outlet 21, pressurized combustion gases outlet 21
Connect with inlet channel 7.Electromagnetism-piezoelectricity controls part 2 and is made up of Electromagnetic Control part 31 and piezoelectricity control part 54, electromagnetism control
Part 31 processed mainly includes that electromagnetic valve coil 32, armature the 33, first control valve the 38, first control valve seat the 40, first control valve are multiple
Position spring the 37, first control valve return spring holder the 36, first oil-in 43, control piston 4, control chamber 42, oil return opening 41, draining
Passage the 34, first drain tap 35, control valve drain tap 39, piezoelectricity controls part 54 and mainly includes piezoelectric element 53, metallic gasket
52, conversion piston the 51, second control valve the 50, second control valve seat the 48, second control valve back-moving spring the 47, second control valve resets
Spring base the 44, second oil-in 49, control valve oil pocket the 46, second drain tap 45, electromagnetic valve coil 32 and armature 33 are arranged on control
Crust of the device 1 processed is internal, and the first control valve 38 upper end is stuck on armature 33 by locating snap ring, and the first control valve 38 lower end is pressed in first
On control valve seat 40, the first control valve back-moving spring 37 top is pressed on the first control valve return spring holder 36, the first control valve
Back-moving spring 37 bottom is stuck in the first control valve 38, and the first control valve 38 arranges the lower seal conical surface, the first control valve reset bullet
Use alignment pin location between spring abutment 36 and the first control valve seat 40, between the first control valve seat 40 and control cavity, use location
Finger setting, controls piston 4 and controls to be formed between cavity to control chamber 42, the first control valve seat 40 arrange oil return opening 41 and controls
Valve drain tap 39, the first control valve return spring holder 36 arranges drain path 34 and the first drain tap 35, the first oil-in 43
Connecting with control chamber 42, oil return opening 41, oil return opening 41 is connected with drain path 34 by the lower seal conical surface of the first control valve 38,
Drain path 34 is connected by electromagnetic valve end and the first drain tap 35, and it is internal that piezoelectric element 53 is arranged on control crust of the device 1, pressure
Arranging metallic gasket 52 below electric device 53, conversion piston 51 is stuck on metallic gasket 52, conversion piston 51 and below the
Two control valves 50 are pressed on the second control valve back-moving spring 47, and it is internal that the second control valve 50 is arranged on the second control valve seat 48, the
Two control valve back-moving spring 47 lower ends are supported on the second control valve return spring holder 44, and the second control valve 50 arranges sealing cone
Face and the lower seal conical surface, form control valve oil pocket 46 between the second control valve return spring holder 44 and the second control valve seat 48, the
Have the second oil-in 49 on two control valve seats 48, the second control valve return spring holder 44 has the second drain tap 45, second
Oil-in 49 is connected with control valve oil pocket 46 by the upper sealing cone of the second control valve 50, control valve oil pocket 46 and central oil passage
69, needle chamber 68 connects, and control valve oil pocket 46 is connected by the lower seal conical surface and second drain tap 45 of the second control valve 50.Spray
Mouth portion 5 is made up of fuel nozzle part 55, gas nozzle part 70, needle-valve body fastening nut 67, needle-valve base 60, and fuel oil sprays
Mouth portion 55 mainly includes first needle-valve the 61, first needle-valve back-moving spring the 56, first needle-valve return spring holder 57, spacing orifice plate
58, the 3rd oil-in 59, oil holding slot 62, gas nozzle part 70 mainly includes that the second needle-valve 64, gag lever post the 8, second needle-valve are multiple
Position spring 7, central oil passage 69, needle chamber 68, pressure tank the 63, the 4th oil-in 66, band 65, first needle-valve the 61, second pin
It is internal that valve 64 is arranged on needle-valve base 60, and first needle-valve the 61, second needle-valve 64 is fixed on injection by needle-valve body fastening nut 67
On crust of the device 3, using alignment pin location between needle-valve base 60 and injection apparatus shell 3, the first needle-valve back-moving spring 56 is pacified
Being contained in control piston 4 outside, the first needle-valve back-moving spring 56 is supported on the first needle-valve return spring holder 57, and the first needle-valve is multiple
Position spring base 57 is connected with the first needle-valve 61 and is arranged on spacing orifice plate 58 inside, shape between the first needle-valve 61 and needle-valve base 60
Becoming oil holding slot 62, use alignment pin location between spacing orifice plate 58 and needle-valve base 60, injection apparatus shell 3 inside arranges spacing
Bar 8, it is internal that gag lever post 8 lower end is enclosed within the second needle-valve 64, and the second needle-valve back-moving spring 7 is arranged on gag lever post 8 outer end, the second needle-valve
Back-moving spring 7 lower end is supported on the second needle-valve 64, and gag lever post 8 and the second needle-valve 64 arrange central oil passage 69, center along axis
Oil duct 69 connects control valve oil pocket 46 and needle chamber 68, forms needle chamber 68 between the second needle-valve 64 and injection apparatus shell 3, the
Form pressure tank 63 between two needle-valves 64 and needle-valve base 60, between needle-valve base 60 and the second needle-valve 64, annular sealing strip is set
65, band 65 is connected with the 4th oil-in 66.Oil-feed oil duct 8 fills along controlling crust of the device 1 radially into hybrid fuel jet
In putting, and axially downwardly entering in injection apparatus shell 3 along controlling crust of the device 1, oil-feed oil duct 9 is controlling on crust of the device 1
Separating two-way branch, a road branch enters piezoelectricity by the second oil-in 49 and controls in part 54, and a road branch enters by first
Hydraulic fluid port 43 enters and controls in chamber 42, and oil-feed oil duct 9 separates two-way branch at injection apparatus shell 3, and a road branch enters by the 3rd
Hydraulic fluid port 59 enters in oil holding slot 62, and a road branch is entered in band 65 by the 4th oil-in 66；Pressurizer shell 22 sets
Being equipped with air inlet 16, air inlet 16 is connected with inlet channel 7 by combustion gas compression portion 10, and inlet channel 7 is by controlling device
Shell 1, injection apparatus shell 3 enter in pressure tank 62.
Combined electromagnetic oil spout of the present utility model-supercharging piezoelectricity jet hybrid fuel jet device mainly includes that combustion gas increases
Laminate section 10, electromagnetism-piezoelectricity controls part 2, nozzle segment 5, pressurizer shell 22, controls outside crust of the device 1, injection apparatus
Shell 3, inlet channel 6, oil-feed oil duct 9, combustion gas compression portion 10 by air inlet 16, charged piston 23, boost electromagnetic valve coil 11,
Supercharger control valve 12, check valve 19 etc. form, and electromagnetism-piezoelectricity controls part 2 and controlled part by Electromagnetic Control part 31 and piezoelectricity
54 compositions, nozzle segment 5 is by fuel nozzle part 55, gas nozzle part 70, needle-valve body fastening nut 67, needle-valve base 60 groups
Become.Charged piston 23 is designed to that apex area is big, bottom area is little, utilize both ends of the surface product moment to realize combustion gas supercharging, supercharging control
Valve 12 processed arranges sealing cone and the lower seal conical surface, it is achieved cutting between pressurised oil inlet and outlet of fuel channel in hybrid fuel jet device
Changing, supercharger control valve 12 lower end arranges taper surface, balance pressurised oil hydraulic coupling suffered by supercharger control valve 12 lower sealing surface, supercharging
Control valve base 26 has annular plenum control valve drain tap 25, vents from supercharger control valve 12 and pressurization control valve base 26
Gap flows to the pressurised oil of supercharger control valve 12 bottom, it is to avoid pressurised oil supercharger control valve 12 is produced active force upwards thus
Reducing supercharger control valve 12 control accuracy, the first control valve 38 arranges the lower seal conical surface, controls fuel oil draining in chamber 42, the
Two control valves 50 arrange sealing cone and the lower seal conical surface, it is achieved cutting between fuel oil inlet and outlet of fuel channel in control valve oil pocket 46
Changing, drain path 34 is connected by electromagnetic valve end and the first drain tap 35, and electromagnetic valve end is full of fuel oil, can reduce electromagnetic valve armature
The shock and vibration moved up and down, thus improve the stability of dual-coil electromagnetic valve work, and during fuel oil draining, flow through electromagnetic valve end, band
Walking dual-coil electromagnetic valve heat, play the effect of cooling electromagnetic valve, control valve drain tap 39 vents from the first control valve 38 and the first control
The gap of valve seat 40 processed flows to the fuel oil of the first control valve 38 bottom, and metallic gasket 52 plays the effect of isolation, it is to avoid piezoelectricity unit
Part 53 touches piezoelectricity and controls the fuel oil that part 54 upwards leaks, and the first needle-valve 61 is pressed to needle-valve by the first needle-valve back-moving spring 56
Base 60, the second needle-valve 64 is pressed to needle-valve base 60 by the second needle-valve back-moving spring 7, between needle-valve base 60 and the second needle-valve 64
Annular sealing strip 65 is set, is connected with oil-feed oil duct 9 by the 4th oil-in 66, seal the combustion gas leaked by pintle nozzle match-ing parts,
Pressure tank 63 plays the effect of stable air pressure, thus reduces the air pressure fluctuation impact on fuel gas injection.
During dual fuel engine work, combustion gas is exported 21 from air inlet 16 by charged piston cavity of resorption 20, pressurized combustion gases, is entered
Gas passage 6 enters in pressure tank 63, and fuel oil enters hybrid fuel jet device from oil-feed oil duct 9, is divided into controlling crust of the device 1
Three tunnels, the second oil-in 49 of leading up to enters piezoelectricity and controls in part 54, and the first oil-in 43 of leading up to enters and controls chamber
42 and oil return opening 41 in, a road enters injection apparatus shell 3, and is divided into two-way on injection apparatus shell 3, leads up to the 3rd
Oil-in 59 enters in oil holding slot 62, and the 4th oil-in 66 of leading up to enters in band 65.
When boost electromagnetic valve coil 11 is energized, supercharging armature 30 drives supercharger control valve 12 to overcome supercharger control valve reset bullet
The spring force of spring 29 moves upward, and the upper sealing cone of supercharger control valve 12 is pressed on the upper of supercharger control valve return spring holder 13
On sealing cone, supercharger control valve oil pocket 27 no longer connects with pressurised oil drain tap 28, pressurised oil oil-in 14 and pressurization control
Valve oil chamber 27 connects, and pressurised oil enters charged piston epicoele 15 from pressurised oil oil-in 14 by supercharger control valve oil pocket 27,
Pressurised oil acts on charged piston 23 top, overcomes the spring force of charged piston back-moving spring 17 to be pressed for 23 times by charged piston, increases
Pressure piston upper chamber 15 volume increases, and charged piston cavity of resorption 20 volume reduces, and the combustion gas entering charged piston cavity of resorption 20 is compressed, combustion
Atmospheric pressure increases.When the gaseous-pressure in charged piston cavity of resorption 20 and check valve back-moving spring 18 spring force make a concerted effort be more than into
During gaseous-pressure in QI KOU 16, check valve 19 moves right, and charged piston cavity of resorption 20 no longer connects with air inlet 16, it is to avoid
Pressurized combustion gases leaks from air inlet 16, it is ensured that combustion gas charging efficiency.During boost electromagnetic valve coil 11 power-off, supercharger control valve 12
Moving downward under the effect of supercharger control valve back-moving spring 29, the lower seal conical surface of supercharger control valve 12 is pressed on pressurization control
On the lower seal conical surface of valve base 26, pressurised oil oil-in 14 no longer connects with supercharger control valve oil pocket 27, pressurization control valve oil
Chamber 27 connects with pressurised oil drain tap 28, and pressurised oil leaks into pressurised oil from charged piston epicoele 15 by supercharger control valve oil pocket 27
In drain tap 28, in charged piston epicoele 15, pressure reduces, and when pressure is reduced to certain value, charged piston back-moving spring 17 will
Charged piston 23 jack-up, when spring force the least of the gaseous-pressure in charged piston cavity of resorption 20 and check valve back-moving spring 18
During gaseous-pressure in air inlet 16, check valve 19 connects with air inlet 16 to left movement, charged piston cavity of resorption 20, and combustion gas is entered
Enter in hybrid fuel jet device.
When electromagnetic valve coil 32 is energized, armature 33 drives the first control valve 38 to overcome the bullet of the first control valve back-moving spring 37
Spring force moves upward, and oil return opening 41 connects with drain path 34, and fuel oil is fast by oil return opening 41, drain path 34 from controlling chamber 42
Speed leaks in the first drain tap 35, controls chamber 42 fuel pressure and reduces rapidly, when pressure is reduced to certain value, and oil holding slot 62
In act on the fuel oil on the conical surface of the first needle-valve 61, overcome the spring force of the first needle-valve back-moving spring 56 to be pushed up by first needle-valve 61
Rising, fuel oil starts injection.During electromagnetic valve coil 32 power-off, the first control valve back-moving spring 37 is by the lower seal of the first control valve 38
Face is pressed in the lower sealing surface of the first control valve seat 40, and oil return opening 41 no longer connects with drain path 34, now controls chamber 42
Identical with the fuel pressure in oil holding slot 62, the first needle-valve 61 presses to needle-valve base under the effect of the first needle-valve back-moving spring 56
60, fuel oil does not sprays.
When piezoelectric element 53 is energized, piezoelectric element 53 extends, and the second control valve 50 overcomes the second control valve back-moving spring 47
Spring force and control valve oil pocket 46 in the hydraulic coupling of fuel oil move downward, the lower sealing surface of the second control valve 50 is pressed on second
In the lower sealing surface of control valve return spring holder 44, control valve oil pocket 46 no longer connects with the second drain tap 45, control valve oil pocket
46 connect with the second oil-in 49, and fuel oil passes through the second oil-in 49, control valve oil pocket 46, central oil passage 69 from oil-feed oil duct 9
Entering in needle chamber 68, fuel oil acts on the second needle-valve 64 end face, overcomes the spring force of the second needle-valve back-moving spring 7 by second
Needle-valve 64 jack-up, combustion gas starts injection.During piezoelectric element 53 power-off, the second control valve back-moving spring 47 is by the second control valve 50
Upper sealing surface is pressed on the upper sealing surface of the second control valve seat 48, and control valve oil pocket 46 no longer connects with the second oil-in 49,
Control valve oil pocket 46 connects with the second drain tap 45, and the fuel oil in needle chamber 68 is let out by central oil passage 69, control valve oil pocket 46
Entering in the second drain tap 45, in needle chamber 68, pressure reduces, when pressure is reduced to certain value, and the second control valve back-moving spring 47
Second needle-valve 64 is pressed to needle-valve base 60, and combustion gas is not sprayed.
Combined electromagnetic oil spout-supercharging piezoelectricity jet hybrid fuel jet device has three kinds of mode of operations: the first is electricity
Magnet valve coil 32 is energized, and this mode of operation is pure fuel injection mode；The second is that electromagnetic valve coil 32 is initially powered up piezoelectricity again
Element 53 is initially powered up, and this mode of operation is dual injection mode, lights gas injection after the fuel oil compression ignition of fuel nozzle injection
The non pressurized combustion gas of mouth injection；The third is boost electromagnetic valve coil 11 and electromagnetic valve coil 32 is first initially powered up piezoelectric element again
53 are initially powered up, and this mode of operation is also dual injection mode, light gas nozzle after the fuel oil compression ignition of fuel nozzle injection
The pressurized combustion gases of injection.
During dual fuel engine work, enter the gaseous-pressure in charged piston cavity of resorption 20 relatively low, by charged piston 23
With combustion gas that the gap between pressurizer shell 22 upwards leaks is few, and live in long mating band and the supercharging of charged piston couple
Under the effect in plug back-moving spring chamber 24, the gas leakage amount of combustion gas compression portion 10 almost can be ignored；Charged piston 23 moves
During, the pressurized combustion gases of charged piston cavity of resorption 20 is upwards leaked, due to charged piston couple by charged piston 23 couple
Long mating band, combustion gas seldom can leak into charged piston back-moving spring chamber 24, decreases the leakage rate of pressurized combustion gases, and leakage
To that fraction combustion gas in charged piston back-moving spring chamber 24 pressurised oil in leaking into charged piston back-moving spring chamber 24
Will not continue under effect upwards to leak, it is to avoid the further leakage of pressurized combustion gases；Enter the fuel oil of band 65, make to be accumulated in
Combustion gas in pressure tank 63 by the clearance leakage between the second needle-valve 64 and needle-valve base 60, thus will not avoid mixing combustion
The combustion gas static leakage of material injection apparatus；During the second needle-valve 64 motion, in pressure tank 63, pintle nozzle match-ing parts is passed through in combustion gas
Upwards leak, will not leak under the fuel oil effect in band 65, at second needle-valve back-moving spring 7, directly avoid mixing
The combustion gas dynamic leakage of fuel injection device.
As shown in the above description, combined electromagnetic oil spout-supercharging piezoelectricity jet hybrid fuel jet device mainly includes combustion
Gas compression portion, electromagnetism-piezoelectricity controls part and nozzle segment, and combustion gas compression portion utilizes boost electromagnetic valve to control charged piston
Motion realize combustion gas supercharging, combustion gas boost pressure and combustion gas charging efficiency are high, can quickly realize combustion gas boosting jet and combustion
Gas, without the switching of boosting jet, meets the different requirements to fuel gas injection pressure of the dual fuel engine different capacity；Electromagnetism-piezoelectricity
Control part utilizes electromagnetic valve to control fuel nozzle and realizes fuel oil injection, utilizes piezoelectric element to control gas nozzle and realizes gas injection
Penetrating, fuel injection motility is high, it is possible to achieve pure fuel oil service pattern and double fuel mode of operation；Meanwhile, gas nozzle utilizes
Fuel sealing combustion gas, can preferably solve the problem that combustion gas is leaked by pintle nozzle match-ing parts, can be effectively improved the dynamic of electromotor
Power and fuel economy.
This utility model combined electromagnetic oil spout-supercharging piezoelectricity jet hybrid fuel jet device, including combustion gas plenum
Divide, electromagnetism-piezoelectricity controls part, nozzle segment, inlet channel, oil-feed oil duct etc..Combustion gas compression portion is by air inlet, supercharging
Piston, boost electromagnetic valve coil, supercharger control valve, check valve etc. form, electromagnetism-piezoelectricity control part by Electromagnetic Control part and
Piezoelectricity controls part composition, and nozzle segment is by fuel nozzle part, gas nozzle part, needle-valve body fastening nut, needle-valve base
Composition.Described oil-feed oil duct is along controlling crust of the device radially in hybrid fuel jet device, and along controlling crust of the device
Axially downwardly entering in injection apparatus shell, oil-feed oil duct separates two-way branch on control crust of the device, and a road branch passes through
First oil-in enters in Electromagnetic Control part, and a road branch enters piezoelectricity by the second oil-in and controls in part, oil-feed oil
Road separates two-way branch at injection apparatus shell, and a road branch is entered in oil holding slot by the 3rd oil-in, and a road branch passes through
4th oil-in enters in band；Pressurizer shell is provided with air inlet, and air inlet passes through combustion gas compression portion and air inlet
Channel connection, inlet channel is by controlling in crust of the device, injection apparatus shell entrance pressure tank.
Boost electromagnetic valve coil is arranged in pressurizer shell, and supercharging armature is positioned at below boost electromagnetic valve coil, increases
The upper end of pressure control valve is stuck on supercharging armature by locating snap ring, and supercharger control valve lower end is pressed on pressurization control valve base, unidirectional
Valve right-hand member is connected by screw and is fixed on check valve little spring seat, and check valve back-moving spring left end passes through check valve big spring seat
Being stuck on one-way valve seat, check valve left end is pressed in one-way valve seat by check valve little spring seat by check valve back-moving spring right-hand member
On.
Supercharger control valve arranges sealing cone and the lower seal conical surface, supercharger control valve return spring holder and supercharger control valve
Forming supercharger control valve oil pocket between base, pressurised oil oil-feed oil circuit passes through the lower seal conical surface and the pressurization control of supercharger control valve
Valve oil chamber connects, and supercharger control valve oil pocket is by the upper sealing cone of supercharger control valve and pressurised oil draining oil communication, supercharging
Control valve base has supercharger control valve drain tap, and charged piston, pressurization control valve base are installed in pressurization control valve base lower end
And forming charged piston epicoele between charged piston, charged piston epicoele connects with supercharger control valve oil pocket, pressurizer shell
And arranging charged piston back-moving spring chamber between charged piston outer end, charged piston back-moving spring is arranged on charged piston reset bullet
Spring intracavity portion, arranges charged piston cavity of resorption, the connection air inlet of charged piston cavity of resorption between pressurizer shell and charged piston lower end
Mouth and pressurized combustion gases export, and pressurized combustion gases outlet connects with inlet channel.
Electromagnetic Control part includes electromagnetic valve coil and the first control valve.Electromagnetic valve coil is arranged in control crust of the device
Portion, arranges armature below electromagnetic valve coil, the first control valve upper end is stuck on armature by locating snap ring, and the first control valve lower end is pressed in
On first control valve seat, the first control valve back-moving spring top is pressed on the first control valve return spring holder, and the first control valve is multiple
Position spring bottom end is stuck in the first control valve, and the first control valve arranges the lower seal conical surface, controls piston and controls shape between cavity
Becoming and control chamber, the first oil-in connects with controlling chamber, oil return opening, and oil return opening passes through the lower seal conical surface of the first control valve and lets out
Oil channel connection, drain path is connected by electromagnetic valve end and the first drain tap.
Piezoelectricity control part includes piezoelectric element and the second control valve.Piezoelectric element is arranged on inside control crust of the device,
Arranging metallic gasket below piezoelectric element, conversion piston is stuck on metallic gasket, conversion piston and the second control valve below
Being pressed on the second control valve back-moving spring, the second control valve is arranged on inside the second control valve seat, the second control valve back-moving spring
Lower end is supported on the second control valve return spring holder, and the second control valve arranges sealing cone and the lower seal conical surface, the second control
Forming control valve oil pocket between valve return spring holder processed and the second control valve seat, the second oil-in is upper close by the second control valve
The envelope conical surface connects with control valve oil pocket, and control valve oil pocket is connected by the lower seal conical surface and second drain tap of the second control valve.
Fuel nozzle part includes the first needle-valve and the first needle-valve back-moving spring.First needle-valve back-moving spring is arranged on control
Piston exterior, the first needle-valve back-moving spring is supported on the first needle-valve return spring holder, the first needle-valve return spring holder and first
Needle-valve is connected and is arranged on spacing hole intralaminar part, forms oil holding slot between the first needle-valve and needle-valve base, and oil holding slot and the 3rd enters
Hydraulic fluid port connects.
Gas nozzle part includes gag lever post and the second needle-valve.Gag lever post lower end is enclosed within inside the second needle-valve, the second needle-valve
Back-moving spring is arranged on 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 and injection
Form needle chamber, gag lever post and the second needle-valve between crust of the device and central oil passage, central oil passage connection control valve are set along axis
Oil pocket and needle chamber, between the second needle-valve and needle-valve base formed pressure tank, pressure tank connects with inlet channel, needle-valve base with
Arrange annular sealing strip, band and the 4th oil-in between second needle-valve to be connected.
Claims (3)
1. combined electromagnetic oil spout-supercharging piezoelectricity jet hybrid fuel jet device, is characterized in that: include control crust of the device,
Injection apparatus shell, combustion gas compression portion, piezo jet part, electromagnetic injection part, needle-valve base, control crust of the device and install
In injection apparatus shell, needle-valve base is arranged on below injection apparatus shell by fastening nut, and described needle-valve base includes
Piezoelectricity base and electromagnetic base；
Described combustion gas compression portion includes pressurizer shell, supercharger control valve, boost electromagnetic valve coil, supercharging armature, supercharging
Control valve back-moving spring, supercharger control valve return spring holder, pressurization control valve base, charged piston, check valve, outside pressurizer
Shell is arranged on above control crust of the device, and pressurizer shell arranges pressurised oil oil-in, pressurised oil drain tap, air inlet,
Boost electromagnetic valve coil is arranged in pressurizer shell, and supercharging armature is positioned at below boost electromagnetic valve coil, supercharger control valve
Upper end be stuck on supercharging armature by locating snap ring, the lower end of supercharger control valve is multiple through the supercharger control valve below supercharging armature
Position spring base is pressed on pressurization control valve base, and supercharger control valve arranges sealing cone and the lower seal conical surface, pressurization control
Forming supercharger control valve oil pocket between valve return spring holder and pressurization control valve base, pressurised oil oil-in passes through supercharger control valve
The lower seal conical surface connect with supercharger control valve oil pocket, supercharger control valve oil pocket is by the upper sealing cone of supercharger control valve and increasing
Force feed drain tap connects, and pressurization control valve base has supercharger control valve drain tap, and charged piston is arranged at the bottom of supercharger control valve
The lower section of seat, forms charged piston epicoele, charged piston epicoele and pressurization control between pressurization control valve base and charged piston
Valve oil chamber connect, in the middle part of pressurizer shell and charged piston between formed charged piston back-moving spring chamber, charged piston reset
Spring is placed on charged piston and is positioned at charged piston back-moving spring intracavity portion, between pressurizer shell and charged piston lower end
Arranging charged piston cavity of resorption, check valve is arranged in pressurizer shell, and the import of check valve is connected with air inlet, check valve
Outlet charged piston cavity of resorption, arrange below charged piston cavity of resorption pressurized combustion gases outlet,
Described piezo jet part includes piezoelectric element, conversion piston, the second control valve, the second control valve seat, the second control valve
Return spring holder, gag lever post, the second needle-valve, the second needle-valve back-moving spring, piezoelectric element is arranged in control crust of the device, piezoelectricity
Arranging metallic gasket below element, conversion piston upper end is stuck on metallic gasket, arranges the second control valve below conversion piston, the
Two control valves are arranged on inside the second control valve seat, and the second control valve arranges sealing cone and the lower seal conical surface, upper close
Being cased with the second control valve back-moving spring between the envelope conical surface and the lower seal conical surface, the second control valve back-moving spring lower end is supported on second
On control valve return spring holder, formation control valve oil pocket between the second control valve return spring holder and the second control valve seat, second
Having the second oil-in on control valve seat, the second control valve return spring holder has the second drain tap, the second oil-in passes through
The upper sealing cone of control valve realizes connecting or disconnecting with control valve oil pocket, the control valve oil pocket lower seal conical surface by control valve
Realizing connecting or disconnecting with the second drain tap, gag lever post is arranged on below the second control valve return spring holder, the lower end of gag lever post
Being placed on inside the second needle-valve, the second needle-valve back-moving spring is enclosed within outside gag lever post, and the lower end of the second needle-valve back-moving spring is supported on
On second needle-valve, the second needle-valve is arranged in the piezoelectricity base of needle-valve base, is formed between the second needle-valve and injection apparatus shell
Needle chamber, gag lever post and the second needle-valve arrange central oil passage along axis, central oil passage connection control valve oil pocket and needle chamber, and second
Band and pressure tank are set between needle-valve and piezoelectricity base, the 4th communicated with oil-feed oil duct are set in injection apparatus shell and enter
Hydraulic fluid port, band and the 4th oil-in are connected, and arrange inlet channel in injection apparatus shell, and pressure tank is connected by inlet channel
Pressurized combustion gases exports；
Described electromagnetic injection part includes that electromagnetic valve coil, armature, the first control valve, the first control valve seat, the first control valve are multiple
Position spring, the first control valve return spring holder, control piston, electromagnetic valve coil and armature are arranged on inside control crust of the device,
Being armature chamber at armature place, the first control valve upper end is stuck on armature by locating snap ring, and the first control valve is through the first control
Valve return spring holder is also pressed on the first control valve seat, is formed and control between bottom and first control valve seat of the first control valve
Valve draining chamber, forms draining chamber, the first control valve back-moving spring between the first control valve return spring holder and the first control valve seat
Being enclosed within the first control valve, the top of the first control valve back-moving spring withstands on the first control valve return spring holder, and first controls
The bottom of valve back-moving spring is stuck in the first control valve, and the first control valve arranges the lower seal conical surface, sets below the first control valve seat
Putting control cavity, the upper end of control piston is arranged in control cavity and and controls to form control chamber between cavity, the first control
Drain path and the first drain tap, drain path connection armature chamber and draining chamber, the first draining are set on valve return spring holder processed
Mouth connection armature chamber, the first control valve seat arranges oil return opening and control valve drain tap, controls chamber by controlling in crust of the device
First oil-in connection oil-feed oil duct, oil return opening one end connection control chamber, the other end of oil return opening pass through the first control valve
Lower sealing surface realize and the connection in draining chamber or disconnection, the bottom controlling piston connects the first needle-valve return spring holder, the
One needle-valve is arranged in electromagnetic base and is positioned at below the first needle-valve return spring holder, controls to be cased with the first needle-valve on piston and resets
Spring, forms oil holding slot, arranges the 3rd oil-in in the first needle-valve return spring holder, contain oil between the first needle-valve and electromagnetic base
Groove is by the 3rd oil-in connection oil-feed oil duct.
Combined electromagnetic oil spout the most according to claim 1-supercharging piezoelectricity jet hybrid fuel jet device, its feature
Being: during piezoelectric element energising, piezoelectric element extends, and the second control valve overcomes spring force and the control of the second control valve back-moving spring
The hydraulic coupling of valve oil intracavity fuel oil processed moves downward, and the lower sealing surface of the second control valve is pressed in the second control valve return spring holder
On, control valve oil pocket and the second drain tap disconnect, and control valve oil pocket connects with the second oil-in, and fuel oil passes through the from oil-feed oil duct
Two oil-ins, control valve oil pocket, central oil passage enter in needle chamber, and fuel oil acts on the second needle-valve, overcome the second needle-valve multiple
The spring force of position spring is by the second needle-valve jack-up, fuel gas injection；During piezoelectric element power-off, the second control valve back-moving spring is by second
The upper sealing surface of control valve is pressed on the second control valve seat, and control valve oil pocket and the second oil-in disconnect, control valve oil pocket and the
Two drain tap connections, the fuel oil in needle chamber is leaked in the second drain tap by central oil passage, control valve oil pocket, and needle chamber is intrinsic pressure
Power reduces, and the second needle-valve is pressed to needle-valve base by the second control valve back-moving spring, and combustion gas is not sprayed.
Combined electromagnetic oil spout the most according to claim 1 and 2-supercharging piezoelectricity jet hybrid fuel jet device, it is special
Levy and be: during electromagnetic valve coil energising, armature drives the first control valve to overcome the spring force of the first control valve back-moving spring upwards to transport
Dynamic, oil return opening connects with drain path, and fuel oil leaks into the first drain tap from controlling chamber by oil return opening, drain path, controls
Intracavity fuel pressure reduces, and acts on the fuel oil on the first needle-valve, overcome the spring force of the first needle-valve back-moving spring in oil holding slot
By the first needle-valve jack-up, fuel oil sprays；During electromagnetic valve coil power-off, the first control valve back-moving spring is by close under the first control valve
Front cover is pressed on the first control valve seat, and oil return opening disconnects with drain path, and the first needle-valve is in the effect of the first needle-valve back-moving spring
Under press to needle-valve base, fuel oil does not sprays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620338866.8U CN205779395U (en) | 2016-04-21 | 2016-04-21 | Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620338866.8U CN205779395U (en) | 2016-04-21 | 2016-04-21 | Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779395U true CN205779395U (en) | 2016-12-07 |
Family
ID=57410985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620338866.8U Withdrawn - After Issue CN205779395U (en) | 2016-04-21 | 2016-04-21 | Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205779395U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756825A (en) * | 2016-04-21 | 2016-07-13 | 哈尔滨工程大学 | Combined electromagnetic fuel oil injection and pressurizing piezoelectric fuel gas injection mixed fuel injection device |
-
2016
- 2016-04-21 CN CN201620338866.8U patent/CN205779395U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105756825A (en) * | 2016-04-21 | 2016-07-13 | 哈尔滨工程大学 | Combined electromagnetic fuel oil injection and pressurizing piezoelectric fuel gas injection mixed fuel injection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102705120A (en) | Dual-fuel electric control monomer ejector | |
| CN105756824B (en) | Combined type piezoelectric fuel injection is pressurized electromagnetism jet hybrid fuel jet device | |
| CN105351130B (en) | It is pressurized No leakage voltage control standard fuel gas ejecting device | |
| CN202718789U (en) | Dual-fuel electric-controlled single injector | |
| CN105756821B (en) | The double piezoelectricity hybrid fuel jet devices of the non pressurized fuel oil-pressurized combustion gases of combined type | |
| CN205779392U (en) | The double supercharging electromagnetic fuel injection piezoelectricity jet hybrid fuel jet device of combination type | |
| CN205779395U (en) | Combined electromagnetic oil spout supercharging piezoelectricity jet hybrid fuel jet device | |
| CN205714518U (en) | The double piezoelectricity hybrid fuel jet device of the non pressurized fuel oil-pressurized combustion gases of combination type | |
| 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 | |
| CN205714521U (en) | Combined mechanical oil spout-supercharging piezoelectricity jet hybrid fuel jet device | |
| CN105756830A (en) | Combined mechanical fuel oil injection and pressurizing electromagnetic fuel gas injection mixed fuel injection device | |
| CN205908402U (en) | Modular oil spout of pressure boost electromagnetism jet -propelled fuel injection apparatus that mixes of non -supercharged piezoelectricity | |
| CN205779394U (en) | Combination type piezoelectric fuel injection supercharging electromagnetism jet hybrid fuel jet device | |
| CN205207029U (en) | Piezoelectric control of leakage formula fuel gas jetting device is not had in pressure boost | |
| CN105756822A (en) | Combined dual pressurizing electromagnetic fuel oil injection and piezoelectric fuel gas injection mixed fuel injection device | |
| CN205714519U (en) | Combined double-pressure electricity hybrid fuel jet device | |
| CN205714523U (en) | Combined mechanical oil spout-piezoelectricity jet hybrid fuel jet device | |
| CN205779391U (en) | The double electromagnetism hybrid fuel jet device of the non pressurized combustion gas of combination type supercharging fuel | |
| CN105781836B (en) | The double electromagnetism hybrid fuel jet devices of the non pressurized combustion gas of combined type supercharging fuel | |
| CN105756826B (en) | Combined electromagnetic oil spout is pressurized electromagnetism jet hybrid fuel jet device | |
| CN105736186B (en) | It is pressurized electromagnetism and supercharging piezoelectricity combination gas gas spraying device | |
| CN205779397U (en) | Combined press EFI electromagnetic oil jet hybrid fuel jet device | |
| CN105673257A (en) | Pressurization and non-pressurization combined type dual piezoelectric fuel gas injection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20180119 |