CN105257438A - Device for gasifying fuel oil through air cylinder cover of internal combustion engine - Google Patents
Device for gasifying fuel oil through air cylinder cover of internal combustion engine Download PDFInfo
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- CN105257438A CN105257438A CN201510633723.XA CN201510633723A CN105257438A CN 105257438 A CN105257438 A CN 105257438A CN 201510633723 A CN201510633723 A CN 201510633723A CN 105257438 A CN105257438 A CN 105257438A
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- cylinder head
- valve body
- jet
- needle
- fuel oil
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Abstract
The invention discloses a device for gasifying fuel oil through an air cylinder cover of an internal combustion engine. The device comprises an air cylinder, the air cylinder cover, a piston, a needle valve body and a combustion chamber. The air cylinder cover is arranged on the air cylinder. The piston is arranged inside an inner cavity of the air cylinder. The combustion chamber is formed in the piston. The needle valve body is installed on the air cylinder cover. The bottom of the needle valve body is provided with a gasifying chamber. One to two oil supply channels are formed in the portions, on the periphery of the needle valve body, of the air cylinder cover and communicated with the gasifying chamber. The gasifying chamber is communicated with a second gas jetting channel through a gas jetting or oil spraying channel. According to the device, after the fuel oil passes through the gasifying chamber of the air cylinder cover, combustion flames in the combustion chamber radiate the air cylinder cover so that the fuel oil entering the gasifying chamber and the oil supply channels can be gasified, the gasified fuel oil gas enters the combustion chamber through the gas jetting channel and is mixed with air entering the combustion chamber in the combustion chamber for sufficient combustion, the fuel oil enters continuously, instant gasifying is achieved, the fuel gas is provided for the combustion chamber continuously, the fire behavior is even, combustion is sufficient, energy sources are saved, black smoke is avoided, the environment is prevented from being polluted, and economic benefits are increased.
Description
Technical field
The invention belongs to technical field of internal combustion engines, relate to a kind of combustion engine cylinder head gasified fossil fuel oil device.
Background technique
The power plant of aircraft, automobile, hand tractor, motorcycle, generator, diesel engine etc., traditional combustion system is injected in firing chamber by high pressure fuel injector by fuel oil, fuel oil formed fuel spray and firing chamber in air effect realize mixed combustion of spraying, this combustion manner is based on diffusive combustion form.At present, there is the situation that burner oil oil bumps against combustion chamber wall surface in the combustion system of power plant, fuel oil can form the denseer metastable mixing gas-bearing formation of one deck at the wall of firing chamber after being rebuffed to some extent.This layer of dense mixing gas-bearing formation is formed the soot in combustion system and toxic emission has material impact.Along with the raising of power plant fuel oil spurts pressure and the miniaturization of cylinder diameter, this phenomenon is said more serious.In addition, fuel oil is sprayed at circumferentially skewness, is sprayed at drop point place and piles up or produce oil film.Head space utilizes insufficient, and mixer uniform spatial distribution degree is unsatisfactory, and air utilization ratio is not high, and fuel oil combustion is incomplete, causes that fuel oil oil consumption is high, carbon smoke exhaust is large.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides one and can improve gas flow in firing chamber, improve air utilization ratio, realize fuel oil gasification and mix more uniformly, reduce fuel oil oil consumption, reduce the combustion engine cylinder head gasified fossil fuel oil device of carbon smoke exhaust.
In order to realize foregoing invention object, technological scheme of the present invention is as follows:
A kind of combustion engine cylinder head gasified fossil fuel oil device, comprise cylinder, cylinder head, piston, needle-valve body and firing chamber, arrange cylinder head above described cylinder, the inner chamber of cylinder arranges piston; The top of described piston is provided with firing chamber; Described cylinder head is provided with needle-valve body; The bottom of described needle-valve body is provided with gasification room, is provided with 1-2 road for oil duct in the cylinder head of needle-valve body periphery; Described is communicated with gasification room for oil duct, external for fuel pump; Described gasification room is communicated with the second air-jet channel with jet or oil spout road by needle-valve body.
Above-described needle-valve body be set to vertical type or inclined, the center line of the needle-valve body of described vertical type overlaps with the center line of firing chamber, and needle-valve body 5 is provided with the conical surface body of more than 2.
Being set to taper and being connected with gasification room of above-described needle-valve body termination, between needle-valve body and the cylinder head arranging jet or oil spout road and the second air-jet channel, place is respectively equipped with annular air supply chamber.
Above-described jet or oil spout road and the second air-jet channel jet or oil spout road is set to first layer, and the second air-jet channel is set to the second layer; The cylinder head that described jet or oil spout road and one end of the second air-jet channel are located at annular air supply chamber is respectively communicated with annular air supply chamber, and jet or oil spout road and the second air-jet channel the other end is located at the bottom of cylinder head and and combustion chamber respectively.
Above-described jet or oil spout road and the second air-jet channel arrange more than 1 road respectively.
The bottom of above-described cylinder head is provided with 1-2 road cylinder cap annular groove.
The upper end of above-described piston is provided with 1-2 road piston ring groove.
This combustion engine cylinder head gasified fossil fuel oil device is applicable to the power plant of aircraft, automobile, hand tractor, motorcycle, generator, diesel engine etc.
In contrast to prior art, the present invention has the following advantages and good effect:
1, the present invention first by fuel oil through gasification room, jet or oil spout road is or/and after the second air-jet channel sprays and enter combustion chambers burn, combustion flame radiation cylinder head in firing chamber is to entering gasification room and gasifying for the fuel oil of oil duct, fuel oil combustion gas after gasification enters firing chamber by jet or oil spout road and the second air-jet channel, and in firing chamber and the air mixed combustion entering firing chamber, combustion gas is fully burned, fuel oil then enters continuously, realizing instant gasification for firing chamber provides combustion gas continuously, the intensity of a fire is dispersed, sufficient combustion, energy saving, without smoke pollution environment, overcome existing fuel oil and be sprayed at circumferentially skewness, be sprayed at drop point place pile up or produce oil film, head space utilizes insufficient, mixer uniform spatial distribution degree is unsatisfactory, air utilization ratio is not high, fuel oil combustion is incomplete, causes that the thermal efficiency is low, fuel oil oil consumption is high, carbon smoke exhaust large, befouling environment, the problem that wastes energy.
2, the cylinder head of cylinder head gasified fossil fuel oil device of the present invention arranges gasification room and straight confession oil duct or inclined for oil duct fuel feeding road, the DESIGNED FEATURE of all kinds of cylinder can be adapted to, the ignition heat of head combustion chamber can be effectively utilized, to entering gasification room or/and the fuel oil for oil duct gasifies, only need a little heat just immediately can gasify rapidly to fuel oil.
3, cylinder head gasified fossil fuel of the present invention oil device can adopt conventional needle-valve, and what control fuel oil by needle-valve body enters flow, can the size of control combustion room firepower.
4, cylinder head gasified fossil fuel of the present invention oil device by jet or oil spout road is set and the second air-jet channel two-layer jet, the fuel oil oil gas of gasification can improve and air mixed effect, meet distributive ability, improve fuel oil to wet wall phenomenon and the aerial distributing homogeneity of fuel oil, make fuel oil gas combustion charge, stablize, reduce oil consumption, firing effect is good, increase efficiency, reduce discharge.
5, cylinder head gasified fossil fuel oil device of the present invention is provided with cylinder cap annular groove and piston ring groove in firing chamber, after air-flow enters firing chamber, good eddy current is formed in annular groove face, make full use of intake trubulence energy, realize the rapid mixing of oil gas and air further, oil gas is sufficiently burned, thus reduces oil consumption.
6, cylinder head gasified fossil fuel oil device of the present invention arranges gasification room or/and inclined is for oil duct, jet or oil spout road in intrinsic cylinder head, compact structure is reasonable, good to fuel oil heating effect, by various liquid organic fuel instant gasification burning, good economic benefit, social benefit and ecological benefit can be had.
Accompanying drawing explanation
Fig. 1: be the oblique oil supply structure schematic diagram of vertical type of the present invention.
Fig. 2: be vertical type direct-furnish oil structural representation of the present invention.
Fig. 3: for vertical type of the present invention is for the structural representation of oil gasification.
Fig. 4: for inclined of the present invention is for the structural representation of oil gasification.
Fig. 5: be the fumarole layout plan of the embodiment of the present invention 1.
Fig. 6: be the layout plan of the fumarole of the embodiment of the present invention 2.
Accompanying drawing identifies:
1-cylinder, 2-cylinder head, 3-piston, 4-for oil duct, 5-needle-valve body, 6-gasification room, the jet or oil spout road of 7-, 8-second air-jet channel, 9-firing chamber, 10-cylinder cap annular groove, 11-piston ring groove, 12-annular air supply chamber.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1:
A kind of combustion engine cylinder head gasified fossil fuel oil device, comprise cylinder 1, cylinder head 2, piston 3, needle-valve body 5 and firing chamber 9, arrange cylinder head 2 above described cylinder 1, the inner chamber of cylinder 1 arranges piston 3; The top of described piston 3 is provided with firing chamber 9; Described cylinder head 2 is provided with needle-valve body 5; The bottom of described needle-valve body 5 is provided with gasification room 6, is provided with 2 roads for oil duct 4 in the cylinder head 2 of needle-valve body 5 periphery, and 2 described roads are communicated with gasification room 6 for oil duct 4, external for fuel pump; Described gasification room 6 is communicated with the second air-jet channel 8 with jet or oil spout road 7 by needle-valve body 5.
Above-described needle-valve body 5 be set to vertical type, the center line of the needle-valve body 5 of described vertical type overlaps with the center line of firing chamber 9, and needle-valve body 5 is provided with the conical surface body of more than 2.
Being set to taper and being connected with gasification room 6 of above-described needle-valve body 5 termination, needle-valve body 5 and arrange jet or between oil spout road 7 and the cylinder head 2 of the second air-jet channel 8 place be respectively equipped with annular air supply chamber 12.
Above-described jet or oil spout road 7 and the second air-jet channel 8 jet or oil spout road 7 is set to first layer, and the second air-jet channel 8 is set to the second layer; The cylinder head 2 that described jet or oil spout road 7 and one end of the second air-jet channel 8 are located at annular air supply chamber 12 is respectively communicated with annular air supply chamber 12, and jet or oil spout road 7 is located at the bottom of cylinder head 2 respectively with the other end of the second air-jet channel 8 and is communicated with firing chamber 9.
Above-described jet or oil spout road 7 and the second air-jet channel 8 arrange 3 roads respectively.
The bottom of above-described cylinder head 2 is provided with 2 road cylinder cap annular grooves 10.
The upper end of above-described piston 3 is provided with 2 road piston ring grooves 11.
Embodiment 2:
A kind of combustion engine cylinder head gasified fossil fuel oil device, comprise cylinder 1, cylinder head 2, piston 3, needle-valve body 5 and firing chamber 9, arrange cylinder head 2 above described cylinder 1, the inner chamber of cylinder 1 arranges piston 3; The top of described piston 3 is provided with firing chamber 9; Described cylinder head 2 is provided with needle-valve body 5; The bottom of described needle-valve body 5 is provided with gasification room 6, is provided with 1 road for oil duct 4 in the cylinder head 2 of needle-valve body 5 periphery; Described is communicated with gasification room 6 for oil duct 4, external for fuel pump; Described gasification room 6 is communicated with the second air-jet channel 8 with jet or oil spout road 7 by needle-valve body 5.
Above-described needle-valve body 5 be set to vertical type, the center line of the needle-valve body 5 of described vertical type overlaps with the center line of firing chamber 9, and needle-valve body 5 is provided with the conical surface body of more than 2.
Being set to taper and being connected with gasification room 6 of above-described needle-valve body 5 termination, needle-valve body 5 and arrange jet or between oil spout road 7 and the cylinder head 2 of the second air-jet channel 8 place be respectively equipped with annular air supply chamber 12.
Above-described jet or oil spout road 7 and the second air-jet channel 8 jet or oil spout road 7 is set to first layer, and the second air-jet channel 8 is set to the second layer; The cylinder head 2 that described jet or oil spout road 7 and one end of the second air-jet channel 8 are located at annular air supply chamber 12 is respectively communicated with annular air supply chamber 12, and jet or oil spout road 7 is located at the bottom of cylinder head 2 respectively with the other end of the second air-jet channel 8 and is communicated with firing chamber 9.
Above-described jet or oil spout road 7 and the second air-jet channel 8 arrange 4 roads respectively.
The upper end of above-described piston 3 is provided with 2 road piston ring grooves 11.
Embodiment 3:
A kind of combustion engine cylinder head gasified fossil fuel oil device, comprise cylinder 1, cylinder head 2, piston 3, needle-valve body 5 and firing chamber 9, arrange cylinder head 2 above described cylinder 1, the inner chamber of cylinder 1 arranges piston 3; The top of described piston 3 is provided with firing chamber 9; Described cylinder head 2 is provided with needle-valve body 5; The bottom of described needle-valve body 5 is provided with gasification room 6, is provided with the confession oil duct 4 of 1 road inclined setting in the cylinder head 2 of needle-valve body 5 periphery; Described is communicated with gasification room 6 for oil duct 4, external for fuel pump; Described gasification room 6 is communicated with the second air-jet channel 8 with jet or oil spout road 7 by needle-valve body 5.
Above-described needle-valve body 5 be set to inclined, being set to taper and being connected with gasification room 6 of needle-valve body 5 termination, needle-valve body 5 and arrange jet or between oil spout road 7 and the cylinder head 2 of the second air-jet channel 8 place be respectively equipped with annular air supply chamber 12.
Above-described jet or oil spout road 7 and the second air-jet channel 8 jet or oil spout road 7 is set to first layer, and the second air-jet channel 8 is set to the second layer; The cylinder head 2 that described jet or oil spout road 7 and one end of the second air-jet channel 8 are located at annular air supply chamber 12 is respectively communicated with annular air supply chamber 12, and jet or oil spout road 7 is located at the bottom of cylinder head 2 respectively with the other end of the second air-jet channel 8 and is communicated with firing chamber 9.
Above-described jet or oil spout road 7 and the second air-jet channel 8 respectively inclined arrange 1 road.
The bottom of above-described cylinder head 2 is provided with 1 road cylinder cap annular groove 10.
The upper end of above-described piston 3 is provided with 1 road piston ring groove 11.
Embodiment 4:
A kind of combustion engine cylinder head gasified fossil fuel oil device, comprise cylinder 1, cylinder head 2, piston 3, needle-valve body 5 and firing chamber 9, arrange cylinder head 2 above described cylinder 1, the inner chamber of cylinder 1 arranges piston 3; The top of described piston 3 is provided with firing chamber 9; Described cylinder head 2 is provided with needle-valve body 5; The bottom of described needle-valve body 5 is provided with gasification room 6, is provided with 1 road inclined for oil duct 4 in the cylinder head 2 of needle-valve body 5 periphery; Described is communicated with gasification room 6 for oil duct 4, external for fuel pump; Described gasification room 6 is communicated with the second air-jet channel 8 with jet or oil spout road 7 by needle-valve body 5.
Above-described needle-valve body 5 be set to inclined, being set to taper and being connected with gasification room 6 of needle-valve body 5 termination, needle-valve body 5 and arrange inclined jet or between oil spout road 7 and the cylinder head 2 of the second air-jet channel 8 place be respectively equipped with annular air supply chamber 12.
Above-described jet or oil spout road 7 and the second air-jet channel 8 jet or oil spout road 7 is set to first layer, and the second air-jet channel 8 is set to the second layer; The cylinder head 2 that described jet or oil spout road 7 and one end of the second air-jet channel 8 are located at annular air supply chamber 12 is respectively communicated with annular air supply chamber 12, and jet or oil spout road 7 is located at the bottom of cylinder head 2 respectively with the other end of the second air-jet channel 8 and is communicated with firing chamber 9.
Above-described jet or oil spout road 7 and the second air-jet channel 8 arrange 2 roads respectively.
The bottom of above-described cylinder head 2 is provided with 1 road cylinder cap annular groove 10.
The upper end of above-described piston 3 is provided with 2 road piston ring grooves 11.
Claims (8)
1. a combustion engine cylinder head gasified fossil fuel oil device, comprise cylinder (1), cylinder head (2), piston (3), needle-valve body (5) and firing chamber (9), described cylinder (1) top arranges cylinder head (2), and the inner chamber of cylinder (1) arranges piston (3); The top of described piston (3) is provided with firing chamber (9); Described cylinder head (2) is provided with needle-valve body (5); It is characterized in that: the bottom of described needle-valve body (5) is provided with gasification room (6), be provided with 1-2 for oil duct (4) in the cylinder head (2) of needle-valve body (5) periphery; Described is communicated with gasification room (6) for oil duct (4), external for fuel pump; Described gasification room (6) by needle-valve body (5) with jet or oil spout road (7) be communicated with the second air-jet channel (8).
2. a kind of combustion engine cylinder head gasified fossil fuel oil device according to claim 1, it is characterized in that: described needle-valve body (5) be set to vertical type or inclined, the center line of the needle-valve body (5) of described vertical type overlaps with the center line of firing chamber (9), and needle-valve body (5) is provided with the conical surface body of more than 2.
3. a kind of combustion engine cylinder head gasified fossil fuel oil device according to claim 2, it is characterized in that: being set to taper and being connected with gasification room (6) of described needle-valve body (5) termination, between needle-valve body (5) and the cylinder head (2) arranging jet or oil spout road (7) and the second air-jet channel (8), place is respectively equipped with annular air supply chamber (12).
4. a kind of combustion engine cylinder head gasified fossil fuel oil device according to claim 3, it is characterized in that: described jet or oil spout road (7) and jet or oil spout road (7) of the second air-jet channel (8) are set to first layer, and the second air-jet channel (8) is set to the second layer; The cylinder head (2) that described jet or oil spout road (7) and one end of the second air-jet channel (8) are located at annular air supply chamber (12) respectively goes up and is communicated with annular air supply chamber (12), and jet or oil spout road (7) are located at the bottom of cylinder head (2) respectively with the other end of the second air-jet channel (8) and are communicated with firing chamber (9).
5. a kind of combustion engine cylinder head gasified fossil fuel oil device according to claim 4, is characterized in that: described jet or oil spout road (7) and the second air-jet channel (8) arrange more than 1 road respectively.
6. a kind of combustion engine cylinder head gasified fossil fuel oil device according to claim 4, is characterized in that: the bottom of described cylinder head (2) is provided with 1-2 road cylinder cap annular groove (10).
7. a kind of combustion engine cylinder head gasified fossil fuel oil device according to claim 1, is characterized in that: the upper end of described piston (3) is provided with 1-2 road piston ring groove (11).
8. a kind of combustion engine cylinder head gasified fossil fuel oil device according to claim 1, is characterized in that: the power plant being applicable to aircraft, automobile, hand tractor, motorcycle, generator, diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633723.XA CN105257438B (en) | 2015-09-29 | 2015-09-29 | A kind of combustion engine cylinder head vaporising fuel oil device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633723.XA CN105257438B (en) | 2015-09-29 | 2015-09-29 | A kind of combustion engine cylinder head vaporising fuel oil device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105257438A true CN105257438A (en) | 2016-01-20 |
| CN105257438B CN105257438B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510633723.XA Active CN105257438B (en) | 2015-09-29 | 2015-09-29 | A kind of combustion engine cylinder head vaporising fuel oil device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1356482A (en) * | 1920-04-06 | 1920-10-19 | Adams Victor | Vapor-heater for engines |
| US5152272A (en) * | 1990-06-26 | 1992-10-06 | Mercedes-Benz Ag | Cylinder head with an evaporation element in an air-intake channel |
| JPH06108935A (en) * | 1992-09-25 | 1994-04-19 | Kubota Corp | Intake device for multiple cylinder gasoline engine |
| CN202065042U (en) * | 2011-05-31 | 2011-12-07 | 姜忠扬 | Power device free of water cooling |
| CN102865172A (en) * | 2012-09-20 | 2013-01-09 | 金华三人科技有限公司 | Fuel spraying system for utilizing heat pipe technology to extract heat vaporized diesel oil from exhaust gas |
-
2015
- 2015-09-29 CN CN201510633723.XA patent/CN105257438B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1356482A (en) * | 1920-04-06 | 1920-10-19 | Adams Victor | Vapor-heater for engines |
| US5152272A (en) * | 1990-06-26 | 1992-10-06 | Mercedes-Benz Ag | Cylinder head with an evaporation element in an air-intake channel |
| JPH06108935A (en) * | 1992-09-25 | 1994-04-19 | Kubota Corp | Intake device for multiple cylinder gasoline engine |
| CN202065042U (en) * | 2011-05-31 | 2011-12-07 | 姜忠扬 | Power device free of water cooling |
| CN102865172A (en) * | 2012-09-20 | 2013-01-09 | 金华三人科技有限公司 | Fuel spraying system for utilizing heat pipe technology to extract heat vaporized diesel oil from exhaust gas |
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| Publication number | Publication date |
|---|---|
| CN105257438B (en) | 2018-11-27 |
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Effective date of registration: 20181017 Address after: 317523 Water Town Industrial Zone, Ze Guo Town, Ling City, Taizhou, Zhejiang Applicant after: Wenling Dongfeng Automobile Fittings Factory Address before: 530700 Haruki, Hechi, Du'an Yao Autonomous County, the Guangxi Zhuang Autonomous Region Applicant before: Wei Binghe |
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Address after: 317523 Water Town Industrial Zone, Ze Guo Town, Ling City, Taizhou, Zhejiang Patentee after: Taizhou Dongfeng Technology Co., Ltd Address before: 317523 Water Town Industrial Zone, Ze Guo Town, Ling City, Taizhou, Zhejiang Patentee before: WENLING DONGFENG AUTO PARTS FACTORY |
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