CN114076058A - Large-flow oil injector with central solenoid valve - Google Patents
Large-flow oil injector with central solenoid valve Download PDFInfo
- Publication number
- CN114076058A CN114076058A CN202111532523.7A CN202111532523A CN114076058A CN 114076058 A CN114076058 A CN 114076058A CN 202111532523 A CN202111532523 A CN 202111532523A CN 114076058 A CN114076058 A CN 114076058A
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- Prior art keywords
- valve
- control
- needle valve
- pressure oil
- control rod
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- 230000007704 transition Effects 0.000 claims description 17
- 239000000446 fuel Substances 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004033 diameter control Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve type
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- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
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- 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
- F02M61/18—Injection nozzles, e.g. having valve seats; Details of valve member seated ends, not otherwise provided for
- F02M61/1893—Details of valve member ends not covered by groups F02M61/1866 - F02M61/188
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
- F02M63/0014—Valves characterised by the valve actuating means
- F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
- F02M63/0017—Valves characterised by the valve actuating means electrical, e.g. using solenoid using electromagnetic operating means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a large-flow oil sprayer with a centrally-arranged electromagnetic valve, which comprises an oil sprayer body and a nozzle; the solenoid valve installation body is installed to the lower tip of sprayer body, and the solenoid valve is installed to the solenoid valve installation body, and the below of solenoid valve is equipped with control assembly, installs the needle valve idol piece in control assembly below, and on the central axis of sprayer body was arranged in to the solenoid valve, and was located the below of high pressure oil feed passageway, greatly reduced the processing degree of difficulty. According to the invention, the oil passages entering the volume cavity of the needle valve are distributed at symmetrical positions on two sides, so that the resultant force of the interference force of the needle valve on the volume cavity is 0, and the movement of the needle valve is relatively stable. The control assembly of the invention increases the guidance of the control rod, changes the stress state of the needle valve, the control rod and other moving parts, and leads the oil injection speed under low rail pressure to be increased quickly and the oil injection closing speed under high rail pressure to be accelerated. The disadvantage that the original moving couple with only one diameter is opened slowly under low rail pressure and closed slowly under high rail pressure is obviously improved.
Description
Technical Field
The invention belongs to an oil injector, and particularly relates to a large-flow oil injector with a central electromagnetic valve.
Background
In the prior art, a high-flow fuel injector with a horizontal bar power of more than 100KW is shown in fig. 1, and a solenoid valve is arranged at the lower end portion of a fuel injector assembly, specifically, at the small end face of a fuel injector body. Since the outer diameter of the fuel injector is small, for example, less than 30 mm; and the mounting hole of the electromagnetic valve and the high-pressure oil inlet channel hole need to be arranged in parallel, so that the mounting hole of the electromagnetic valve has to deviate from the central axis of the oil sprayer assembly by a certain distance.
The technical problems existing in the prior art are as follows:
1. the solenoid valve arranged eccentrically brings certain difficulty to the processing of the conical surface of the corresponding control valve seat, and increases the processing difficulty and the processing cost.
2. The eccentrically arranged oil passage hole enables the flow velocity and pressure distribution in the volume cavity where the needle valve is located to be uneven, and the needle valve is subjected to certain lateral force, so that the needle valve is unstable in motion.
Therefore, the invention relates to a large-flow oil injector arranged in the center of an electromagnetic valve, which reduces the processing difficulty and ensures the motion stability of a needle valve.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the large-flow oil sprayer with the center of the electromagnetic valve, which reduces the processing difficulty and ensures the motion stability of the needle valve.
The invention is realized in this way, a large-flow oil sprayer with a centrally-arranged electromagnetic valve comprises an oil sprayer body and a nozzle arranged at the lower part of the oil sprayer body; the oil sprayer body is provided with a first high-pressure oil inlet channel and a cable channel; the body is settled to the solenoid valve is installed to the lower tip of sprayer body, the solenoid valve is settled the body and is installed the solenoid valve, and the below of solenoid valve is equipped with control assembly, installs the internal needle valve idol piece of needle valve below the control assembly, needle valve idol piece includes needle valve and needle valve cover, and the needle valve cover is installed to the upper end of needle valve, the needle valve spring, its characterized in that are installed to the lower extreme of needle valve cover:
the electromagnetic valves are arranged on the central axis of the oil sprayer body and are positioned below the high-pressure oil inlet channels, and second high-pressure oil inlet channels are symmetrically arranged in the electromagnetic valve accommodating bodies on the two sides of the electromagnetic valves;
the control assembly sequentially comprises a control valve seat and a control rod matching part from top to bottom, the control rod matching part is arranged between the needle valve matching part and the electromagnetic valve, and the diameter d1 of the control rod matching part is larger than the diameter d3 of the needle valve matching part;
the control rod matching part comprises a control valve plate and a control rod arranged in the center of the control valve plate, and the center of the control rod is superposed with the center of the fuel injector body; a transition oil passage hole is formed in the center of the control valve seat, a conical ball valve is arranged at the upper end of the transition oil passage hole, a throttling hole section is arranged at the lower end of the transition oil passage hole, a pressing block is arranged at the upper end of the conical ball valve, and the upper end of the pressing block is abutted to an armature core shaft of the electromagnetic valve; a third high-pressure oil inlet channel communicated with the second high-pressure oil inlet channel is arranged on two sides of the transition oil channel hole in the control valve seat; a control cavity A is formed by the transition oil passage hole of the control valve seat and the upper end of the control rod matching part, and a throttling hole connected with a third high-pressure oil inlet channel is formed in the control valve seat;
the center of the control valve plate is provided with a center hole which is positioned on the same axis with the center of the fuel injector body, and a control rod penetrates through the center hole; the needle valve coupling part and the lower end of the control rod coupling part form a coupling cavity C; a fourth high-pressure oil inlet channel communicated with the third high-pressure oil inlet channel is arranged on two sides of the central hole of the control valve plate; the fourth high-pressure oil inlet channel is communicated with the pressure accumulation volume cavity D of the needle valve body; the first high-pressure oil inlet channel, the second high-pressure oil inlet channel, the third high-pressure oil inlet channel and the fourth high-pressure oil inlet channel are communicated to form a high-pressure oil way.
Preferably, the center hole of the control valve plate is a reducing center hole, the large-diameter end of the control valve plate is located above the center hole, the control rod is a reducing control rod, the control rod is matched with the reducing center hole, a high-pressure volume cavity B is formed at the reducing position of the center hole of the control rod matching part, and the volume cavity B is communicated with the fourth high-pressure oil inlet channel.
The invention has the advantages and technical effects that: due to the adoption of the technical scheme, the processing difficulty is greatly reduced after the center of the electromagnetic valve is arranged. According to the invention, the oil passages entering the volume cavity of the needle valve are distributed at symmetrical positions on two sides, so that the resultant force of the interference force of the needle valve on the volume cavity is 0, and the movement of the needle valve is relatively stable.
The control assembly of the invention increases the guiding of the control rod, changes the stress state of the needle valve (and the control rod) and other moving parts, and leads the oil injection speed under low rail pressure to rise faster and the oil injection closing speed under high rail pressure to be accelerated. The disadvantage that the original moving couple with only one diameter is opened slowly under low rail pressure and closed slowly under high rail pressure is obviously improved.
Drawings
FIG. 1 is a schematic illustration of a prior art fuel injector configuration;
FIG. 2 is a schematic structural view of example 1 of the present invention;
FIG. 3 is an enlarged view of a portion of the solenoid valve, control assembly and needle valve assembly assembled;
fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
the electromagnetic valve 4 is arranged on the central axis of the oil sprayer body 1 and is positioned below the high-pressure oil inlet channel 1-1, and second high-pressure oil inlet channels 3-1 are symmetrically arranged in the electromagnetic valve arranging bodies 3 on the two sides of the electromagnetic valve;
the control assembly 5 sequentially comprises a control valve seat 5-1 and a control rod matching part from top to bottom, the control rod matching part is arranged between the needle valve matching part and the electromagnetic valve, and the diameter d1 of the control rod matching part is larger than the diameter d3 of the needle valve matching part; the control rod matching part comprises a control valve plate 5-2 and a control rod 5-3 arranged in the center of the control valve plate, and the center of the control rod is overlapped with the center of the fuel injector body; a transition oil passage hole 5-10 is formed in the center of the control valve seat, a conical ball valve 7 is arranged at the upper end of the transition oil passage hole, a throttling hole section 5-11 is arranged at the lower end of the transition oil passage hole, a pressing block 8 is arranged at the upper end of the conical ball valve, and the upper end of the pressing block is abutted to an armature core shaft 4-3 of the electromagnetic valve; third high-pressure oil inlet channels 5-12 communicated with the second high-pressure oil inlet channels are arranged on two sides of the transition oil passage hole in the control valve seat; a transition oil passage hole of the control valve seat and the upper end of the control rod matching part form a control cavity A, and the control valve seat is provided with an orifice 5-13 connected with a third high-pressure oil inlet channel;
the center of the control valve plate 5-2 is provided with a center hole which is positioned on the same axis with the center of the fuel injector body, and a control rod 5-3 penetrates through the center hole; the needle valve coupling part and the lower end of the control rod coupling part form a coupling cavity C; a fourth high-pressure oil inlet channel 5-20 communicated with the third high-pressure oil inlet channel is arranged on two sides of the central hole of the control valve plate; the fourth high-pressure oil inlet channel is communicated with the pressure accumulation volume cavity D of the needle valve body; the first high-pressure oil inlet channel 1-1, the second high-pressure oil inlet channel 3-1, the third high-pressure oil inlet channel 5-12 and the fourth high-pressure oil inlet channel 5-20 are communicated to form a high-pressure oil path.
In this embodiment, preferably, the central hole of the control valve plate is a variable-diameter central hole, the large-diameter end of the control valve plate is located above the central hole, the control rod is a variable-diameter control rod, and the control rod is matched with the variable-diameter central hole; and a high-pressure volume cavity B is formed at the reducing position of the central hole of the control rod matching part and is communicated with a fourth high-pressure oil inlet channel.
When the electromagnetic valve 4 is electrified, the conical ball valve 7 is opened, the fuel in the control cavity A is output to a low-pressure oil way through the throttling hole sections 5-11 and 5-10 transition oil holes and the conical ball valve, and the pressure in the control cavity A is reduced at a certain speed; when the electromagnetic valve 4 is powered off, the conical ball valve is closed, fuel is input into the control cavity A through the throttling holes 5-13, and the pressure is restored to be the same as the value of the first high-pressure oil inlet channel 1-1 of the high-pressure oil path.
The needle valve 6-2 and the control rod 5-3 are considered as a whole to be subjected to stress analysis, and upward force comprises a hydraulic force F1 acting on an annular area between the diameter d3 of a needle valve coupling and the diameter d4 of a needle valve seat surface and a hydraulic force F2 acting on an annular area between the diameters d2 and d1 of two sections of the control rod; the downward force has a hydraulic force F3 acting on the circular area of the control rod diameter d1, and a needle valve spring force F4. The size of the hydraulic F3 is controlled by electrifying and powering off the electromagnetic valve, so that the opening and closing of the needle valve are controlled, and the oil injection and cut-off functions of the oil injector are realized.
Under the condition that d4 < d3 < d2 < d1 are met, the specific sizes of the diameters and the hole flow rates of the throttling holes 5-13 and the throttling hole sections 5-11 are matched, so that the specific form of the oil injection rule can be optimized.
By adopting the technical scheme, the processing difficulty is greatly reduced after the center of the electromagnetic valve is arranged. According to the invention, the oil passages entering the volume cavity of the needle valve are distributed at symmetrical positions on two sides, so that the resultant force of the interference force of the needle valve on the volume cavity is 0, and the movement of the needle valve is relatively stable.
The control assembly of the invention increases the guiding of the control rod, changes the stress state of the needle valve (and the control rod) and other moving parts, and leads the oil injection speed under low rail pressure to rise faster and the oil injection closing speed under high rail pressure to be accelerated. The disadvantage that the original moving couple with only one diameter is opened slowly under low rail pressure and closed slowly under high rail pressure is obviously improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. A large-flow oil sprayer with a centrally-arranged electromagnetic valve comprises an oil sprayer body and a nozzle arranged at the lower part of the oil sprayer body; the oil sprayer body is provided with a first high-pressure oil inlet channel and a cable channel; the body is settled to the solenoid valve is installed to the lower tip of sprayer body, the solenoid valve is settled the body and is installed the solenoid valve, and the below of solenoid valve is equipped with control assembly, installs the internal needle valve idol piece of needle valve below the control assembly, needle valve idol piece includes needle valve and needle valve cover, and the needle valve cover is installed to the upper end of needle valve, the needle valve spring, its characterized in that are installed to the lower extreme of needle valve cover:
the electromagnetic valves are arranged on the central axis of the oil sprayer body and are positioned below the high-pressure oil inlet channels, and second high-pressure oil inlet channels are symmetrically arranged in the electromagnetic valve accommodating bodies on the two sides of the electromagnetic valves;
the control assembly sequentially comprises a control valve seat and a control rod matching part from top to bottom, the control rod matching part is arranged between the needle valve matching part and the electromagnetic valve, and the diameter of the control rod matching part is larger than that of the needle valve matching part;
the control rod matching part comprises a control valve plate and a control rod arranged in the center of the control valve plate, and the center of the control rod is superposed with the center of the fuel injector body; a transition oil passage hole is formed in the center of the control valve seat, a conical ball valve is arranged at the upper end of the transition oil passage hole, a throttling hole section is arranged at the lower end of the transition oil passage hole, a pressing block is arranged at the upper end of the conical ball valve, and the upper end of the pressing block is abutted to an armature core shaft of the electromagnetic valve; a third high-pressure oil inlet channel communicated with the second high-pressure oil inlet channel is arranged on two sides of the transition oil channel hole in the control valve seat; a control cavity A is formed by the transition oil passage hole of the control valve seat and the upper end of the control rod matching part, and a throttling hole connected with a third high-pressure oil inlet channel is formed in the control valve seat;
the center of the control valve plate is provided with a center hole which is positioned on the same axis with the center of the fuel injector body, and a control rod penetrates through the center hole; the needle valve coupling part and the lower end of the control rod coupling part form a coupling cavity C; a fourth high-pressure oil inlet channel communicated with the third high-pressure oil inlet channel is arranged on two sides of the central hole of the control valve plate; the fourth high-pressure oil inlet channel is communicated with the pressure accumulation volume cavity D of the needle valve body; the first high-pressure oil inlet channel, the second high-pressure oil inlet channel, the third high-pressure oil inlet channel and the fourth high-pressure oil inlet channel are communicated to form a high-pressure oil way.
2. The large-flow oil injector arranged in the center of the electromagnetic valve according to claim 1 is characterized in that: the center hole of the control valve plate is a reducing center hole, the large-diameter end of the control valve plate is located above the control valve plate, the control rod is a reducing control rod, the control rod is matched with the reducing center hole, a high-pressure volume cavity B is formed at the reducing position of the center hole of the control rod matching part, and the volume cavity B is communicated with a fourth high-pressure oil inlet channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532523.7A CN114076058A (en) | 2021-12-15 | 2021-12-15 | Large-flow oil injector with central solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111532523.7A CN114076058A (en) | 2021-12-15 | 2021-12-15 | Large-flow oil injector with central solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114076058A true CN114076058A (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111532523.7A Pending CN114076058A (en) | 2021-12-15 | 2021-12-15 | Large-flow oil injector with central solenoid valve |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091179A (en) * | 1992-09-18 | 1994-08-24 | 罗伯特·道格拉斯·克赖耶 | The electronic fuel injection system that large compression ignition engine is used |
| US20010015417A1 (en) * | 1999-11-30 | 2001-08-23 | Mario Ricco | Electromagnetic metering valve for a fuel injector |
| JP2007023967A (en) * | 2005-07-20 | 2007-02-01 | Denso Corp | Fuel injection valve |
| CN101050745A (en) * | 2006-04-03 | 2007-10-10 | 柳州华威电控燃油喷射系统技术有限公司 | Piezoelectric ceramic electric control diesel oil injector |
| DE102006049883A1 (en) * | 2006-10-23 | 2008-04-24 | Robert Bosch Gmbh | Fuel injecting valve for internal-combustion engine, has housing with inlet connected with side of draining throttle over inlet throttle, where side is turned away from chamber that is connected with inlet over another inlet throttle |
| CN103644057A (en) * | 2013-12-30 | 2014-03-19 | 南岳电控(衡阳)工业技术有限公司 | Fuel injector capable of injecting fuel to engine quantitatively at fixed time in controllable manner |
| CN104314725A (en) * | 2014-09-25 | 2015-01-28 | 辽宁新风企业集团有限公司 | Middle hole pressure storage static leakage-free oil sprayer |
| CN204200442U (en) * | 2014-09-25 | 2015-03-11 | 辽宁新风企业集团有限公司 | A kind of mesopore pressure accumulation is without static leakage oil sprayer |
| CN106014730A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨工程大学 | Double-oil-circuit cooling electromagnetic-control oil atomizer |
| CN106089523A (en) * | 2016-08-16 | 2016-11-09 | 重庆红江机械有限责任公司 | A kind of high pressure common rail electric control fuel injector |
| CN106640453A (en) * | 2017-01-18 | 2017-05-10 | 哈尔滨工程大学 | Micro-dynamic oil-returning electric control oil sprayer with hydraulic feedback |
| CN106640454A (en) * | 2017-01-18 | 2017-05-10 | 哈尔滨工程大学 | Double-path oil feeding hole plate type electric control oil sprayer with engraved groove |
| CN206352541U (en) * | 2017-01-18 | 2017-07-25 | 哈尔滨工程大学 | A kind of On Fluctuations oil return bypass type electric-controlled fuel injector with hydraulic feedback |
| CN109184987A (en) * | 2018-07-26 | 2019-01-11 | 哈尔滨工程大学 | The variable pressure accumulation type heavy oil electric-controlled fuel injector of fuel injection characteristic |
| CN109707546A (en) * | 2018-12-29 | 2019-05-03 | 重庆红江机械有限责任公司 | A kind of oil control valve out of electric-controlled fuel injector |
| CN110017230A (en) * | 2019-04-17 | 2019-07-16 | 无锡格林鲍尔科技有限公司 | A kind of electro-hydraulic joint control rapid response type high pressure common rail injector |
| US20210079876A1 (en) * | 2017-12-07 | 2021-03-18 | Tianjin Shengoumei Engine Technology Consulting Co. Ltd | Common rail fuel injector for diesel engine |
| WO2021057018A1 (en) * | 2019-09-26 | 2021-04-01 | 重庆红江机械有限责任公司 | Electronic control common-rail-type heavy oil injector |
| CN113137322A (en) * | 2020-01-17 | 2021-07-20 | 湖南致用科技有限公司 | Novel high-pressure common rail oil sprayer with built-in pressure accumulation chamber |
| CN216518363U (en) * | 2021-12-15 | 2022-05-13 | 北油电控燃油喷射系统(天津)有限公司 | Large-flow oil injector with central solenoid valve |
-
2021
- 2021-12-15 CN CN202111532523.7A patent/CN114076058A/en active Pending
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091179A (en) * | 1992-09-18 | 1994-08-24 | 罗伯特·道格拉斯·克赖耶 | The electronic fuel injection system that large compression ignition engine is used |
| US20010015417A1 (en) * | 1999-11-30 | 2001-08-23 | Mario Ricco | Electromagnetic metering valve for a fuel injector |
| JP2007023967A (en) * | 2005-07-20 | 2007-02-01 | Denso Corp | Fuel injection valve |
| CN101050745A (en) * | 2006-04-03 | 2007-10-10 | 柳州华威电控燃油喷射系统技术有限公司 | Piezoelectric ceramic electric control diesel oil injector |
| DE102006049883A1 (en) * | 2006-10-23 | 2008-04-24 | Robert Bosch Gmbh | Fuel injecting valve for internal-combustion engine, has housing with inlet connected with side of draining throttle over inlet throttle, where side is turned away from chamber that is connected with inlet over another inlet throttle |
| CN103644057A (en) * | 2013-12-30 | 2014-03-19 | 南岳电控(衡阳)工业技术有限公司 | Fuel injector capable of injecting fuel to engine quantitatively at fixed time in controllable manner |
| CN104314725A (en) * | 2014-09-25 | 2015-01-28 | 辽宁新风企业集团有限公司 | Middle hole pressure storage static leakage-free oil sprayer |
| CN204200442U (en) * | 2014-09-25 | 2015-03-11 | 辽宁新风企业集团有限公司 | A kind of mesopore pressure accumulation is without static leakage oil sprayer |
| CN106014730A (en) * | 2016-05-19 | 2016-10-12 | 哈尔滨工程大学 | Double-oil-circuit cooling electromagnetic-control oil atomizer |
| CN106089523A (en) * | 2016-08-16 | 2016-11-09 | 重庆红江机械有限责任公司 | A kind of high pressure common rail electric control fuel injector |
| CN106640453A (en) * | 2017-01-18 | 2017-05-10 | 哈尔滨工程大学 | Micro-dynamic oil-returning electric control oil sprayer with hydraulic feedback |
| CN106640454A (en) * | 2017-01-18 | 2017-05-10 | 哈尔滨工程大学 | Double-path oil feeding hole plate type electric control oil sprayer with engraved groove |
| CN206352541U (en) * | 2017-01-18 | 2017-07-25 | 哈尔滨工程大学 | A kind of On Fluctuations oil return bypass type electric-controlled fuel injector with hydraulic feedback |
| US20210079876A1 (en) * | 2017-12-07 | 2021-03-18 | Tianjin Shengoumei Engine Technology Consulting Co. Ltd | Common rail fuel injector for diesel engine |
| CN109184987A (en) * | 2018-07-26 | 2019-01-11 | 哈尔滨工程大学 | The variable pressure accumulation type heavy oil electric-controlled fuel injector of fuel injection characteristic |
| CN109707546A (en) * | 2018-12-29 | 2019-05-03 | 重庆红江机械有限责任公司 | A kind of oil control valve out of electric-controlled fuel injector |
| CN110017230A (en) * | 2019-04-17 | 2019-07-16 | 无锡格林鲍尔科技有限公司 | A kind of electro-hydraulic joint control rapid response type high pressure common rail injector |
| WO2021057018A1 (en) * | 2019-09-26 | 2021-04-01 | 重庆红江机械有限责任公司 | Electronic control common-rail-type heavy oil injector |
| DE112020000639T5 (en) * | 2019-09-26 | 2021-10-21 | Chongqing Hongjiang Machinery Co. Ltd. | Electronically controlled heavy oil common rail injector |
| CN113137322A (en) * | 2020-01-17 | 2021-07-20 | 湖南致用科技有限公司 | Novel high-pressure common rail oil sprayer with built-in pressure accumulation chamber |
| CN216518363U (en) * | 2021-12-15 | 2022-05-13 | 北油电控燃油喷射系统(天津)有限公司 | Large-flow oil injector with central solenoid valve |
Non-Patent Citations (2)
| Title |
|---|
| 仇滔;刘天翔;安晓东;雷艳;代贺飞;: "高压共轨喷油器针阀开启与关闭过程规律研究", 兵工学报, no. 10, 15 October 2017 (2017-10-15), pages 200 - 205 * |
| 李孟孟;侯献军;刘博;: "电控喷油器参数对喷油规律的影响", 北京汽车, no. 04, 25 August 2016 (2016-08-25), pages 1 - 3 * |
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