WO2014139274A1 - 双通道压电喷油器 - Google Patents
双通道压电喷油器 Download PDFInfo
- Publication number
- WO2014139274A1 WO2014139274A1 PCT/CN2013/083664 CN2013083664W WO2014139274A1 WO 2014139274 A1 WO2014139274 A1 WO 2014139274A1 CN 2013083664 W CN2013083664 W CN 2013083664W WO 2014139274 A1 WO2014139274 A1 WO 2014139274A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- needle valve
- dual
- channel
- oil
- oil passage
- Prior art date
Links
- 239000000446 fuel Substances 0.000 claims abstract description 118
- 238000002347 injection Methods 0.000 claims abstract description 97
- 239000007924 injection Substances 0.000 claims abstract description 97
- 230000009471 action Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 description 26
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/0603—Injectors peculiar thereto with means directly operating the valve needle using piezoelectric or magnetostrictive operating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0694—Injectors operating with a plurality of fuels
-
- 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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
- F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
- F02M45/08—Injectors peculiar thereto
- F02M45/086—Having more than one injection-valve controlling discharge orifices
-
- 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
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/46—Valves, e.g. injectors, with concentric valve bodies
-
- 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
- F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
- F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
- F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic
-
- 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
Definitions
- the invention is applied to a dual fuel engine high pressure common rail electronically controlled fuel injection system (or a dual rail engine high pressure common rail electronically controlled fuel injection system), in particular to a dual fuel injection system of a dual fuel engine (or a dual rail engine).
- Device. Background technique
- the fuel injection system applied to the dual fuel engine is mostly a double injector system, that is, two injectors are used to realize different injection modes in three different installation modes: one injector is installed in the intake manifold The other one is mounted on the cylinder head to realize fuel injection outside the fuel tank and fuel injection in another fuel tank; both injectors are installed on the intake manifold to realize fuel injection outside the dual fuel tank; The injectors are mounted on the cylinder head to achieve fuel injection in the dual fuel tank.
- the first two of the above three fuel injection methods can be realized by modifying the existing single fuel injection engine, but there are specific restrictions on the physical properties of the fuel, that is, the fuel injected from the cylinder is required to have high volatility.
- the third type has broad development prospects because it does not require physical properties of the fuel.
- this method complicates the structure of the cylinder head, and the modification on the existing single-injection multi-valve engine becomes particularly difficult, resulting in an increase in the cost of manufacture and use. Summary of the invention
- the technical solution of the dual-channel piezoelectric fuel injector of the present invention is to include a dual-channel injector body, and the bottom end of the dual-channel injector body is sequentially connected with an upper intermediate body and a lower intermediate portion.
- the top of the dual-channel injector body is provided with two oil pipe interfaces, each of which is provided with a fuel pipe oil passage, and the two-channel fuel injector body has two bodies a laminated piezoelectric actuator and two injection oil passages respectively communicating with the two oil passages of the oil pipe; the upper intermediate body and the lower intermediate body are connected to form an intermediate connecting body; the intermediate connecting body is provided with An outer control oil passage, an outer fuel injection oil passage, an inner control oil passage and an inner fuel injection oil passage which are connected from top to bottom; an outer working stroke amplifier of the inverted control cone is provided at the top end of the outer control oil passage
- the bottom of the outer control oil passage is provided with an annular groove Controlling an oil chamber; a bottom end of the outer fuel injection passage is connected to the outer pressure chamber; a top end of the inner control oil passage is provided with an inner working stroke amplifier of an inverted tapered cavity, and the inner control oil passage is The middle part is provided with an inner control oil chamber; the lower part of the inner fuel injection
- the bottom and the bottom of the outer hole of the sleeve form a double channel; the bottom ends of the two laminated piezoelectric actuators are respectively embedded in the inner control oil passage in the intermediate connecting body and the upper port of the outer inner control oil passage;
- the layered piezoelectric actuator controls the high pressure fuel pressure in the fuel control chamber to form a pressure difference with the high pressure fuel pressure in the internal pressure chamber or the external pressure chamber to control the inner needle and the outer needle in the dual channel needle valve body
- the opening and closing of the valve controls the injection action of the inner injector and the outer injector.
- the dual-channel piezoelectric fuel injector of the invention adopts a laminated piezoelectric actuator direct driving mode, thereby making the fuel injection action more rapid, improving the sensitivity of the injector, and having a solenoid valve control and a piezoelectric actuator. Indirect control of fuel injection for better fuel injection performance;
- Figure 1 is a perspective view of a two-channel piezoelectric fuel injector of the present invention
- Figure 2 is a plan view of the fuel injector shown in Figure 1;
- Figure 3 is a bottom view of the fuel injector shown in Figure 1;
- Figure 4 is a left side sectional view of the fuel injector shown in Figure 1;
- Figure 5 is a rear cross-sectional view of the fuel injector of Figure 1;
- Figure 6 is a plan view of the dual-channel needle valve body 1 shown in Figure 4;
- Figure 7 is a cross-sectional view of the dual-channel needle valve body 1 shown in Figure 4;
- Figure 8 is a cross-sectional view of the dual channel needle valve body 1 shown in Figure 5;
- Figure 9 is a cross-sectional view of the outer needle valve 3 shown in Figure 4;
- Figure 10 is a cross-sectional view of the lower intermediate body 4 shown in Figure 4;
- Figure 11 is a cross-sectional view of the lower intermediate body 4 shown in Figure 5;
- Figure 12 is a cross-sectional view of the upper intermediate body 5 shown in Figure 4;
- Figure 13 is a cross-sectional view of the upper intermediate body 5 shown in Figure 5;
- Figure 14 is a perspective view of the laminated piezoelectric actuator shown in Figure 4.
- Figure 15 is a perspective view of the dual-channel injector body 9 shown in Figure 1;
- Figure 16 is a bottom plan view of the dual-channel injector body 9 of Figure 15;
- Figure 17 is a left side sectional view of the dual-channel injector body 9 shown in Figure 15;
- Figure 18 is a rear elevational view of the dual channel injector body 9 of Figure 15.
- the two-channel piezoelectric fuel injector of the present invention mainly comprises a double-channel needle valve body 1, an inner needle valve 2, an outer needle valve 3, and a lower intermediate body. 4.
- the upper intermediate body 5 the inner channel laminated piezoelectric actuator 6, the outer channel laminated piezoelectric actuator 7, the fastening body 8 and the dual channel injector body 9.
- the dual-channel piezoelectric fuel injector of the present invention comprises a dual-channel injector body 9, and the bottom end of the dual-channel injector body 9 is sequentially connected with an upper intermediate body 5, a lower intermediate body 4 and a double-channel needle valve body 1
- the top end of the dual-channel injector body 9 is provided with two oil pipe interfaces 93, and each of the oil pipe interfaces 93 is provided with a oil pipe oil passage 98.
- the two-channel fuel injector body 9 is provided with two layers.
- the piezoelectric actuator and two injection oil passages respectively communicating with the two oil passages of the oil pipe are shown in Figs. 5 and 18. As shown in FIG.
- the positioning and connection between the two-channel injector body 9, the upper intermediate body 5, the lower intermediate body 4 and the two-channel needle valve body 1 are configured by a positioning pin and a positioning hole.
- the outer portion of the upper intermediate body 5, the lower intermediate body 4 and the double-channel needle valve body 1 are provided with a fastening sleeve 8 which is tightly coupled to the dual-channel injector body 9.
- FIG. 4 As shown in FIG. 4, FIG. 8, FIG. 10, FIG. 11, FIG. 12 and FIG. 13, the upper intermediate body 5 and the lower intermediate body 4 are connected to form an intermediate connecting body;
- the outer control oil passages 45, 55, the outer fuel injection passages 44, 54, the inner control oil passage 56 and the inner fuel injection oil passages 47, 57 are connected from the top to the bottom, and the top end of the outer control oil passage 55 is provided with a pouring
- An outer working stroke amplifier 53 of the tapered cavity, the bottom of the outer control oil passage 45 is provided with an outer control oil chamber 46 having an annular groove shape; the top end of the inner control oil passage 56 is provided with an inner portion of the inverted tapered cavity
- the working stroke amplifier 51 is provided with an inner control oil chamber 58 in the middle of the inner control oil passage, and an inner pressure chamber 49 is disposed at a lower portion of the inner fuel injection passage 47; the bottom end of the outer fuel injection passage 44 is connected To the outer pressure chamber 16.
- the two-channel needle valve body 1 is provided with a needle valve hole of a sleeve structure, and the bottom of the sleeve structure is respectively provided with an inner fuel injection for the inner hole of the sleeve to penetrate with the outside.
- an outer pressure chamber 16 is disposed at a middle portion of the outer hole of the sleeve, and the outer fuel injection passage 44 of the intermediate connector extends downward to The outer pressure chamber 16; the top of the outer hole of the sleeve communicates with the outer control oil chamber 46 of the annular groove in the bottom end of the intermediate connector, thereby forming a first space for placing the outer needle valve 3, the outer needle
- the valve 3 is provided with an outer needle valve sealing cone surface, an outer needle valve pressure cone surface and an outer needle valve inner cylindrical surface, the axial dimension of the first space is larger than the length of the outer needle valve 3;
- the top communicates with the inner control oil chamber 58 in the intermediate connector to form a second space for placing the inner needle valve 2, the inner needle valve 2 is provided with an inner needle sealing cone and an inner needle bearing pressure cone
- the axial dimension of the second space is greater than the length of the inner needle valve 2; the outer needle valve 3 and
- the outer fuel injection oil passage and the inner fuel injection oil passage are respectively connected with two injection oil passages in the two-channel injector body 9, thereby spraying from the two-channel
- the two oil passages of the oil body body 9 respectively form a double channel to the bottom of the sleeve inner hole of the double-channel needle valve body 1 and the bottom of the outer hole of the sleeve;
- the laminated piezoelectric actuator 6 is composed of a driver sealing body 61, a driver bearing body 62, and a terminal 63 connected to a control circuit.
- the bottom ends of the two laminated piezoelectric actuators 6, 7 are respectively embedded in the upper ports of the inner control oil passage 56 and the outer control oil passage 55 in the intermediate joint; through the two laminated piezoelectric actuators 6, 7 To control the high pressure fuel pressure in the fuel control chamber to form a pressure difference with the high pressure fuel pressure in the outer pressure chamber 16 or the inner pressure chamber 49 to control the inner needle and the outer needle in the two-channel needle valve body 1.
- the opening and closing of the valve controls the injection operation of the inner injector 11 and the outer injector 12.
- the inner passage oil passage formed in the present invention is: the driver seal body 61 at the lower portion of the inner channel laminated piezoelectric actuator 6, the inner working stroke amplifier 51, the inner control oil passage 56 and the inner control oil chamber 58 form an inner passage control oil passage
- the inner fuel injection passage 47, the inner fuel injection passage 54, the inner pressure chamber 49, the inner needle valve pressure taper surface, the inner needle valve sealing cone surface and the inner fuel injector 11 form an inner passage fuel injection passage. See Figure 10 to Figure 14.
- the outer passage oil passage formed in the present invention is: a driver seal body 61 at the lower portion of the outer passage laminated piezoelectric actuator 7, an outer working stroke amplifier 53, an outer control oil passage 55, an outer control oil passage 45, and an outer control oil chamber 46.
- External channel control Oil passage, external fuel injection passage 44, external fuel injection passage 57, external injection oil passage 14, external pressure chamber 16, outer needle valve pressure cone surface 32, outer needle valve sealing cone surface 31 and outer fuel injector 12 forms an outer channel fuel injection passage. See Figures 10 to 14.
- the partition structure of the above two-channel oil passage the main body partition wall 99 (shown in FIG. 15) is located on the center plane of the inner working stroke amplifier 51 and the outer working stroke amplifier 53, and is in sealing contact with the upper surface of the upper intermediate body 5 to realize the inner oil.
- the main body oil chamber 96 and the outer oil passage body oil chamber 97 are completely separated; the upper surface of the needle valve body partition wall 13 and the lower surface of the lower intermediate partition wall 43 are in sealing contact, thereby separating the oil passages of the inner and outer passages; in addition, the double passage needle valve body 1.
- the space design of the oil passage on the lower intermediate body 4 and the upper intermediate body 5 realizes the separation of the control oil passage and the fuel injection oil passage and the separation of the oil passages inside and outside the passage.
- the fixing and connecting forms of the connecting portions are as shown in FIG. 6, FIG. 10 and FIG. 11 : the positioning holes 15 and 41 are respectively provided on the contact faces of the two-channel needle valve body 1 and the lower intermediate body 4 to Positioning pin A is placed for precise positioning of the two-channel needle valve body 1 and the lower intermediate body 4; similarly, positioning holes are provided on the contact faces of the lower intermediate body 4 and the upper intermediate body 5 (the lower intermediate body 4 and The positioning hole on the upper intermediate body 5 is not shown) to place the positioning pin B for precise positioning of the lower intermediate body 4 and the upper intermediate body 5; the fastening body 8 will have a double channel needle valve body 1, a lower intermediate body 4, The upper intermediate body 5 and the dual channel injector body 9 are tightly joined together by a threaded structure.
- the outer needle valve 3 and the inner wall of the first space are gap-fitted, and are formed therebetween a moving pair
- the inner needle valve 2 and the inner wall of the second space that is, the inner surface of the inner needle guide holes 40 and 48 and the outer cylindrical surface of the inner needle valve 2 are gap-fitted, both of which A mobile pair is also formed between them. See Figure 9, Figure 10 and Figure 11.
- the working principle of the two-channel piezoelectric fuel injector of the invention is the working principle of the two-channel piezoelectric fuel injector of the invention:
- FIG. 5 As shown in FIG. 4, FIG. 5, FIG. 7, FIG. 8 and FIG. 17, two oil pipe joints 93, a fuel pipe oil passage 98, a main body partition wall 99, an upper intermediate body 5, a lower intermediate body 4, and a needle valve body are provided in the present invention.
- the partition wall 13 is formed by two sealing, non-interfering, two-channel oil passages through sealing, positioning and drilling design, and each oil passage includes a control oil passage and a fuel injection oil passage;
- the driver seals 61 of the two laminated piezoelectric actuators 6, 7 are respectively sealed with the outer and inner working stroke amplifiers of the upper intermediate body 5, and the two working-time amplifiers are
- the high pressure oil outlet is respectively connected with the top surfaces of the inner and outer needle valves to form two control oil passages;
- the shortening and extension of the laminated piezoelectric actuator is controlled by controlling the voltage value on the laminated piezoelectric actuator terminal.
- the driving sealing body moves upwards to drive the fuel pressure in the control oil chamber to decrease, so that the fuel pressure in the pressure chamber is greater than that in the control oil chamber.
- the pressure of the needle valve is moved upwards to control the fuel injection of the injector.
- the actuator sealing body is moved downward to drive the fuel pressure in the control oil chamber to rise, so that the fuel pressure in the pressure chamber is less than the pressure in the control oil chamber, and the needle valve is moved downward. Close, and then control the fuel injector to cut off the oil.
- the two working stroke amplifiers use a small amount of shortening or elongation of the two laminated piezoelectric actuators to cause a large displacement variation of the inner and outer needle valves, which in turn controls the effective opening and closing of the needle valve.
- the process of the fuel injection control of the two-channel piezoelectric fuel injector of the invention is:
- the outer channel injection action is directly controlled by controlling the shortening or elongation of the outer channel laminated piezoelectric actuator 7.
- the two-channel piezoelectric fuel injector of the invention has the same size and size as the conventional fuel injector, and eliminates the structure of the two injector mounting holes used in the direct injection of dual fuel in the cylinder, which simplifies the complexity of the cylinder head; Dual fuel (or single fuel double oil rail) injection, which can achieve multiple injections of dual fuel (or single fuel) different injection pressures, while reducing manufacturing and use costs; when spraying fuel early, using internal spray The oil nozzle is sprayed to avoid the phenomenon that the wet wall is aggravated when the common injector is sprayed early; when the two injectors simultaneously spray oil, the injection angle can be changed by mutual collision and interference between the two oil bundles, further Avoid the wet wall phenomenon in the case of early spraying; the present invention can provide good fuel injection characteristics, and can meet the needs of future dual fuel engines and dual rail engines.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/235,081 US9447761B2 (en) | 2013-03-14 | 2013-09-17 | Dual-channel piezoelectric injector |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310081487.6A CN103133205B (zh) | 2013-03-14 | 2013-03-14 | 双通道压电喷油器 |
CN201310081487.6 | 2013-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014139274A1 true WO2014139274A1 (zh) | 2014-09-18 |
Family
ID=48493520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2013/083664 WO2014139274A1 (zh) | 2013-03-14 | 2013-09-17 | 双通道压电喷油器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9447761B2 (zh) |
CN (1) | CN103133205B (zh) |
WO (1) | WO2014139274A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112594102A (zh) * | 2020-12-15 | 2021-04-02 | 江苏大学 | 一种实现双燃料独立喷油的发动机喷油器 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103133205B (zh) * | 2013-03-14 | 2014-11-26 | 天津大学 | 双通道压电喷油器 |
CN107201972B (zh) * | 2017-06-28 | 2023-05-30 | 哈尔滨工程大学 | 一种直通式轴向进气的外导向燃气喷射阀 |
US10900450B1 (en) * | 2019-08-05 | 2021-01-26 | Caterpillar Inc. | Fuel system, fuel injector nozzle assembly, and engine head assembly structured for ducted fuel injection |
CN112081673A (zh) * | 2020-09-11 | 2020-12-15 | 一汽解放汽车有限公司 | 一种双燃料喷射器 |
US11852113B2 (en) | 2022-02-02 | 2023-12-26 | Caterpillar Inc. | Fuel injector having spray ducts sized for optimized soot reduction |
CN114352452B (zh) * | 2022-02-18 | 2022-09-20 | 吉林大学 | 一种压力控制的带有安全保护的双路喷油器 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5775301A (en) * | 1995-06-02 | 1998-07-07 | Ganser-Hydromag Ag | Fuel injection valve for internal combustion engines |
US6367453B1 (en) * | 1999-11-10 | 2002-04-09 | Denso Corporation | Fuel injection valve |
EP1607619A2 (de) * | 2004-06-15 | 2005-12-21 | Robert Bosch GmbH | Kraftstoffeinspritzventil |
CN1766304A (zh) * | 2005-11-04 | 2006-05-03 | 吉林大学 | 双液体喷嘴 |
CN2779090Y (zh) * | 2005-03-14 | 2006-05-10 | 武汉理工大学 | 柴油/lpg双燃料喷射器 |
CN102900578A (zh) * | 2011-07-30 | 2013-01-30 | 重庆工商大学 | 压电陶瓷控制式内燃机燃料喷射器 |
CN103133205A (zh) * | 2013-03-14 | 2013-06-05 | 天津大学 | 双通道压电喷油器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1808650A1 (de) * | 1968-11-13 | 1970-06-18 | Bosch Gmbh Robert | Kraftstoffeinspritzvorrichtung |
US4185779A (en) * | 1978-01-16 | 1980-01-29 | The Bendix Corporation | Fuel injector |
GB2290834B (en) * | 1994-06-29 | 1998-02-25 | Toyota Motor Co Ltd | Inner cam type fuel injection pump having a rotor having first and second passages for fuel inlet and outlet |
JPH09151825A (ja) * | 1995-12-01 | 1997-06-10 | Zexel Corp | 燃料噴射弁 |
US6761325B2 (en) * | 1998-09-16 | 2004-07-13 | Westport Research Inc. | Dual fuel injection valve and method of operating a dual fuel injection valve |
GB9920144D0 (en) * | 1999-08-26 | 1999-10-27 | Lucas Industries Ltd | Fuel injector |
JP3744335B2 (ja) * | 2000-10-06 | 2006-02-08 | トヨタ自動車株式会社 | 内燃機関の燃料供給装置 |
DE10156657C2 (de) * | 2001-11-17 | 2003-12-04 | Daimler Chrysler Ag | Zweistoff-Injektor |
US7556017B2 (en) * | 2006-03-31 | 2009-07-07 | Caterpillar Inc. | Twin needle valve dual mode injector |
CA2633846C (en) * | 2008-06-27 | 2009-12-29 | Westport Power Inc. | Fuel injection valve and method for co-injecting a liquid and a gaseous fuel into the combustion chamber of an internal combustion engine |
FI123513B (fi) * | 2010-12-02 | 2013-06-14 | Waertsilae Finland Oy | Polttoaineen syöttöyksikkö, menetelmä sen käyttämiseksi ja polttomoottori |
EP2649293B1 (en) * | 2010-12-06 | 2015-12-02 | McAlister Technologies, LLC | Integrated fuel injector igniters configured to inject multiple fuels and/or coolants |
-
2013
- 2013-03-14 CN CN201310081487.6A patent/CN103133205B/zh active Active
- 2013-09-17 WO PCT/CN2013/083664 patent/WO2014139274A1/zh active Application Filing
- 2013-09-17 US US14/235,081 patent/US9447761B2/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5775301A (en) * | 1995-06-02 | 1998-07-07 | Ganser-Hydromag Ag | Fuel injection valve for internal combustion engines |
US6367453B1 (en) * | 1999-11-10 | 2002-04-09 | Denso Corporation | Fuel injection valve |
EP1607619A2 (de) * | 2004-06-15 | 2005-12-21 | Robert Bosch GmbH | Kraftstoffeinspritzventil |
CN2779090Y (zh) * | 2005-03-14 | 2006-05-10 | 武汉理工大学 | 柴油/lpg双燃料喷射器 |
CN1766304A (zh) * | 2005-11-04 | 2006-05-03 | 吉林大学 | 双液体喷嘴 |
CN102900578A (zh) * | 2011-07-30 | 2013-01-30 | 重庆工商大学 | 压电陶瓷控制式内燃机燃料喷射器 |
CN103133205A (zh) * | 2013-03-14 | 2013-06-05 | 天津大学 | 双通道压电喷油器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112594102A (zh) * | 2020-12-15 | 2021-04-02 | 江苏大学 | 一种实现双燃料独立喷油的发动机喷油器 |
Also Published As
Publication number | Publication date |
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CN103133205B (zh) | 2014-11-26 |
CN103133205A (zh) | 2013-06-05 |
US9447761B2 (en) | 2016-09-20 |
US20150377197A1 (en) | 2015-12-31 |
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