CN104564430A - Integrated gas supply device of gaseous fuel engine - Google Patents
Integrated gas supply device of gaseous fuel engine Download PDFInfo
- Publication number
- CN104564430A CN104564430A CN201510028503.4A CN201510028503A CN104564430A CN 104564430 A CN104564430 A CN 104564430A CN 201510028503 A CN201510028503 A CN 201510028503A CN 104564430 A CN104564430 A CN 104564430A
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- China
- Prior art keywords
- gas injection
- intake manifold
- gas
- fuel gas
- extension tube
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- 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
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- Fuel-Injection Apparatus (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention aims at providing an integrated gas supply device of a gaseous fuel engine. The integrated gas supply device of the gaseous fuel engine comprises a cylinder and a gas injection valve. An intake main pipe and a gas channel are arranged in the cylinder, an intake opening is arranged in the upper portion of the cylinder, an intake manifold is arranged on the side of the cylinder, and the intake opening and the intake manifold are both in communication with the intake main pipe. The gas injection valve is mounted on the cylinder, a gas inlet of the gas injection valve is in communication with the gas channel through a guide opening, a gas injection extension tube is arranged behind a gas outlet of the gas injection valve, one end of the gas injection extension tube is fixed to the cylinder, the other end of the gas injection extension tube extends into the intake manifold and provided with a dispersion hole, and the number of the gas injection valve and the number of gas injection extension tube correspond to that of the intake manifold. According to the integrated gas supply device of the gaseous fuel engine, the intake main pipe and the gas channel are of an integrated structure, so that the gas supply device is simplified and the seal and safety problems of hose connection are solved; structures of the gas injection extension tube and the dispersion hole are used for ensuring that natural gas and air can be uniformly mixed.
Description
Technical field
What the present invention relates to is a kind of motor, specifically gaseous propellant engine.
Background technique
Development internal-combustion engine alternative fuel realizes one of very effective means of its energy-saving and emission-reduction, significant to the oil crisis and environmental pollution solving more and more sternness.Gaseous fuel (as rock gas, petroleum gas), has the advantages such as combustion cleaning, calorific value be large, especially its rich reserves of natural gas, because and become the first-selection of following internal-combustion engine alternative fuel.Mostly existing gaseous propellant engine is to adopt multi-point injection, the control at regular time and quantity of combustion gas can be realized, the supply of its combustion gas and air is that employing two overlaps different devices to realize respectively, namely air is supplied by suction tude, combustion gas is supplied by gas rail, but this needs very large installing space, and combustion gas and air mix even not, simultaneously because gas rail needs flexible pipe to be connected with the absolute construction of suction tude, therefore also there is sealing and the safety problem of flexible pipe connection.
The patent of publication number CN103485944A relates to a kind of dual-fuel diesel engine gas supply system, this patent is by extending into the design of each intake manifold by gas injector corresponding for each cylinder, reach compact structure, respond fast feature, and the scavenging loss in valve overlap duration can be eliminated; The patent of publication number CN201826977U relates to a kind of gas supply of dual-fuel engine device, employing be intake manifold multi-point injection; The patent of publication number CN103899423A and publication number CN103899424A relates to a kind of double fuel engine of boat and ship, its combustion gas is supplied by gas rail, can reach the effect of stable gaseous-pressure, air carrys out air feed by suction tude, and the gentle rail of suction tude two overlaps independently structure; The patent of publication number CN103821638A relates to the supply of a kind of gaseous propellant engine fuel and the embedded assembly of air inlet, its suction tude and gas distributor two overlap independently structure, but it uses two cover gas distribution pipes, has been arranged on the inside and outside of suction tude respectively; The patent of publication number CN101644215A and publication number CN101429907A relates to a kind of integrated suction manifold being provided with fuel common rail, the gentle rail of its suction tude two overlaps independently structure, combustion gas common rail and intake manifold tightened together by metallic reinforcement brackets.
Above-mentioned patent is all adopt multipoint sequential injection, and the supply of its combustion gas and air is employing two respectively overlaps different devices to realize, air feeder is complicated, required installing space is comparatively large, combustion gas and air mixing even not, simultaneously because gas rail needs flexible pipe to be connected with the absolute construction of suction tude, therefore also there is sealing and the safety problem of flexible pipe connection.
Summary of the invention
The object of the present invention is to provide to solve gaseous propellant engine air feeder complex structure, installing space is large, mixes uneven and there is the sealing of flexible pipe connection and a kind of gaseous propellant engine integral type air feeder of safety problem.
The object of the present invention is achieved like this:
A kind of gaseous propellant engine integral type of the present invention air feeder, it is characterized in that: comprise cylinder body, fuel gas injection valve, the intake manifold be parallel to each other gentle rail is set in cylinder body, above cylinder body, suction port is set, cylinder body side arranges intake manifold, suction port is all connected with intake manifold with intake manifold, cylinder body installs fuel gas injection valve, the fuel gas inlet of fuel gas injection valve is communicated with gas rail by targeting port, the gas outlet rear of fuel gas injection valve arranges fuel gas injection extension tube, the first end of fuel gas injection extension tube is fixed on cylinder body, second end of fuel gas injection extension tube to stretch in intake manifold and arranges disperse hole, the quantity of fuel gas injection valve and fuel gas injection extension tube is corresponding with the quantity of intake manifold.
The present invention can also comprise:
1, vertical with the air draught direction intake manifold from the gas flow direction of disperse hole ejection.
2, fuel gas injection extension tube is fixed by connecting bolt and cylinder body, and realizes sealing by seal ring and cylinder body.
Advantage of the present invention is: the gentle rail of intake manifold of the present invention adopts integral structure, simplifies air feeder, saves installing space, it also avoid sealing and the safety problem of flexible pipe connection simultaneously.Have employed the structure in fuel gas injection extension tube and disperse hole, ensure that rock gas and air mix in intake manifold.
Accompanying drawing explanation
Fig. 1 is plan view of the present invention;
Fig. 2 is worm's eye view of the present invention;
Fig. 3 is A-A view of the present invention.
Embodiment
Below in conjunction with accompanying drawing citing, the present invention is described in more detail:
Composition graphs 1 ~ 3, gaseous propellant engine is for six cylinder machines, and the fuel gas injection valve that each cylinder is installed is for one.
Mainly comprise fuel gas injection valve 1, sealing bolt 2, fuel gas injection extension tube 3, intake manifold 4, intake manifold 5, suction port 6, gas rail 7, targeting port 8, connecting bolt 9, disperse hole 10, seal ring 11; Described intake manifold 5 is gentle, and rail 7 adopts integral structure.Uniform uniform two suction ports 6 and six intake manifold 4 on intake manifold 5, air enters cylinder via suction port 6, intake manifold 5, intake manifold 4.The mounting point of fuel gas injection valve 1 and intake manifold 4 one_to_one corresponding, natural gas cylinder is that gas rail 7 supplies rock gas by sealing bolt 2 place, the rock gas ejection that fuel gas injection valve 1 will be stored in gas rail 7, imports intake manifold 4 via targeting port 8, fuel gas injection extension tube 3, disperse hole 10 by rock gas.The end of fuel gas injection extension tube 3 is uniform-distribution with several disperse holes 10, and the gas flow direction sprayed from disperse hole 10 is vertical with air draught direction.
Fuel gas injection valve 1, sealing bolt 2, fuel gas injection extension tube 3, intake manifold 4, intake manifold 5, suction port 6, gas rail 7, targeting port 8, connecting bolt 9, disperse hole 10, seal ring 11 constitute gaseous propellant engine integral type air feeder of the present invention jointly.Intake manifold 5 is gentle, and rail 7 adopts integral structure, simplifies air feeder, saves installing space, it also avoid sealing and the safety problem of flexible pipe connection simultaneously.Uniform two suction ports 6 and six intake manifold 4 on intake manifold 5, air enters cylinder via suction port 6, intake manifold 5, intake manifold 4.The mounting point of fuel gas injection valve 1 and intake manifold 4 one_to_one corresponding, natural gas cylinder is that gas rail 7 supplies rock gas by sealing bolt 2 place, the rock gas ejection that fuel gas injection valve 1 will be stored in gas rail 7, via targeting port 8, fuel gas injection extension tube 3, disperse hole 10, rock gas is imported intake manifold 4, several disperse holes 10 are evenly distributed on the end of fuel gas injection extension tube 3, the gas flow direction sprayed from disperse hole 10 is vertical with air draught direction, ensure that rock gas and air mix in intake manifold 4.Sealing bolt 2 ensure that the sealing of gas rail 7, and fuel gas injection extension tube 3 is fixed by connecting bolt 9, and the mounting point of fuel gas injection valve 1 and connecting bolt 9 has several seal rings 11 to ensure sealing.
Claims (3)
1. a gaseous propellant engine integral type air feeder, it is characterized in that: comprise cylinder body, fuel gas injection valve, the intake manifold be parallel to each other gentle rail is set in cylinder body, above cylinder body, suction port is set, cylinder body side arranges intake manifold, suction port is all connected with intake manifold with intake manifold, cylinder body installs fuel gas injection valve, the fuel gas inlet of fuel gas injection valve is communicated with gas rail by targeting port, the gas outlet rear of fuel gas injection valve arranges fuel gas injection extension tube, the first end of fuel gas injection extension tube is fixed on cylinder body, second end of fuel gas injection extension tube to stretch in intake manifold and arranges disperse hole, the quantity of fuel gas injection valve and fuel gas injection extension tube is corresponding with the quantity of intake manifold.
2. a kind of gaseous propellant engine integral type air feeder according to claim 1, is characterized in that: vertical with the air draught direction intake manifold from the gas flow direction of disperse hole ejection.
3. a kind of gaseous propellant engine integral type air feeder according to claim 1 and 2, is characterized in that: fuel gas injection extension tube is fixed by connecting bolt and cylinder body, and realizes sealing by seal ring and cylinder body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028503.4A CN104564430B (en) | 2015-01-21 | 2015-01-21 | A kind of gaseous propellant engine integral type feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510028503.4A CN104564430B (en) | 2015-01-21 | 2015-01-21 | A kind of gaseous propellant engine integral type feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564430A true CN104564430A (en) | 2015-04-29 |
| CN104564430B CN104564430B (en) | 2018-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510028503.4A Active CN104564430B (en) | 2015-01-21 | 2015-01-21 | A kind of gaseous propellant engine integral type feeder |
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| CN (1) | CN104564430B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134401A (en) * | 2015-06-08 | 2015-12-09 | 中国第一汽车股份有限公司 | Natural gas engine air cylinder cover assembly suitable for multi-point injection system |
| CN105179114A (en) * | 2015-10-15 | 2015-12-23 | 广西玉柴机器股份有限公司 | Integrated mixer of gas engine |
| CN105484864A (en) * | 2016-01-21 | 2016-04-13 | 宁波中策动力机电集团有限公司 | Air inlet structure for dual-fuel engine |
| CN106246397A (en) * | 2016-08-18 | 2016-12-21 | 安徽天利动力股份有限公司 | A kind of air cylinder head structure of band air inlet pipe |
| CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
| CN107387266A (en) * | 2017-09-07 | 2017-11-24 | 广西玉柴机器股份有限公司 | A kind of fuel gas ejecting device |
| CN107939556A (en) * | 2017-12-25 | 2018-04-20 | 潍柴动力股份有限公司 | A kind of multi-point injection natural gas engine |
| CN109386403A (en) * | 2018-09-29 | 2019-02-26 | 哈尔滨工程大学 | It is a kind of for have twin-inlet gas, dual fuel engine bivalve type fuel gas ejecting device and its control method |
| CN110318911A (en) * | 2019-06-26 | 2019-10-11 | 哈尔滨工程大学 | A kind of natural gas engine gas injection apparatus with fountain nozzle arrangements |
-
2015
- 2015-01-21 CN CN201510028503.4A patent/CN104564430B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134401A (en) * | 2015-06-08 | 2015-12-09 | 中国第一汽车股份有限公司 | Natural gas engine air cylinder cover assembly suitable for multi-point injection system |
| CN105179114A (en) * | 2015-10-15 | 2015-12-23 | 广西玉柴机器股份有限公司 | Integrated mixer of gas engine |
| CN105484864A (en) * | 2016-01-21 | 2016-04-13 | 宁波中策动力机电集团有限公司 | Air inlet structure for dual-fuel engine |
| CN105484864B (en) * | 2016-01-21 | 2019-05-31 | 宁波中策动力机电集团有限公司 | A kind of air intake structure of dual fuel engine |
| CN106246397A (en) * | 2016-08-18 | 2016-12-21 | 安徽天利动力股份有限公司 | A kind of air cylinder head structure of band air inlet pipe |
| CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
| CN107131074B (en) * | 2017-06-28 | 2023-08-01 | 哈尔滨工程大学 | Integrated annular manifold wall surface gas fuel injection mixing device with piezoelectric actuator |
| CN107387266A (en) * | 2017-09-07 | 2017-11-24 | 广西玉柴机器股份有限公司 | A kind of fuel gas ejecting device |
| CN107939556A (en) * | 2017-12-25 | 2018-04-20 | 潍柴动力股份有限公司 | A kind of multi-point injection natural gas engine |
| CN109386403A (en) * | 2018-09-29 | 2019-02-26 | 哈尔滨工程大学 | It is a kind of for have twin-inlet gas, dual fuel engine bivalve type fuel gas ejecting device and its control method |
| CN110318911A (en) * | 2019-06-26 | 2019-10-11 | 哈尔滨工程大学 | A kind of natural gas engine gas injection apparatus with fountain nozzle arrangements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564430B (en) | 2018-04-17 |
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