CN101555850A - Outer rotor global fuel injector used for engine - Google Patents
Outer rotor global fuel injector used for engine Download PDFInfo
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- CN101555850A CN101555850A CNA2009101439000A CN200910143900A CN101555850A CN 101555850 A CN101555850 A CN 101555850A CN A2009101439000 A CNA2009101439000 A CN A2009101439000A CN 200910143900 A CN200910143900 A CN 200910143900A CN 101555850 A CN101555850 A CN 101555850A
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- Prior art keywords
- fuel injector
- engine
- housing
- outer rotor
- firing chamber
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Abstract
The invention discloses an outer rotor global fuel injector used for an engine, comprising a fuel injector (1) and a combustion chamber interface body (2). The outer rotor global fuel injector is characterized in that a rotating injection shell (3) is arranged between the fuel injector (1) and the combustion chamber interface body (2) and respectively contacted with the fuel injector (1) and the combustion chamber interface body (2) in a rotating and sealing mode; and a rotating driving structure (4) is arranged on the rotating injection shell (3) and controlled by a driving device (5). The outer rotor global fuel injector can realize mixing of fuel and air in the global area of a combustion chamber or an air cylinder and improve the combustion performance of the mixed gas, thus improving the efficiency and environmental protection of the engine.
Description
Technical field
The present invention relates to engine art.
Background technique
Engine fuel injection device and technology thereof are crucial for the efficient and the feature of environmental protection of motor, and therefore, research and product in this field also have a lot.But the fuel-injected root problem is the adjustable that how to improve fuel oil and air mixing degree and realize injection timing relation and fuel injection quantity.Fuel injection technology up to now all is to adopt fixed fuel injection technology, owing to can form the mist of oil of taper during fuel injection, between different taper mist of oils, can form and not have mist of oil or mist of oil white space seldom, obviously the air of this white space and fuel mix is bad or do not mix at all, thus the burning of mixed gas in the firing chamber influenced.Usually in order to reduce and to eliminate this white space, adopt the high atomization spraying techniques more and improve flow technique in the air cylinder, but these technology are difficult to eliminate fully white space, though I have applied for the patent of several fuel injector aspects: such as a kind of global fuel injection device for engine (number of patent application: 200910138662.4 and 200920150943.7), a kind of time-domain controllable fuel injector for engine (number of patent application: 200910142845.3 and 200920153933.9), 200910142846.8 and 200920153934.3) and a kind of motor fuel injector of inner rotor (number of patent application: 200910142847.2 and 200920153935.8) a kind of fuel injector of outer rotor for motor (number of patent application:, though these patents have overcome the shortcoming of above-mentioned conventional fixed formula fuel injection apparatus, but change bigger to the traditional fuel injector that has mature technology, manufacture process requirement is higher, therefore, need invention a kind of novel, reliably, fuel injection technology cheaply makes fuel and air can both obtain good mixing in the universe of firing chamber or cylinder, further improves the efficient and the feature of environmental protection of motor.
Summary of the invention
In order to overcome the defective of traditional fuel injector at the mixed gas white space indoor formation of engine combustion, inevitable, the invention discloses a kind of outer rotor global fuel injector, its objective is fuel (oil) and air mixing are got better.The object of the present invention is achieved like this: a kind of outer rotor global fuel injector used for engine, comprise fuel injector and interface, firing chamber body, between described fuel injector and interface, described firing chamber body, establish to rotate and spray housing, described rotation is sprayed housing and is contacted with the body rotary seal of interface, described firing chamber with described fuel injector respectively, establish rotation drive structure on described rotation injection housing, described rotation drive structure is subjected to driving device controls.
Interface, so-called firing chamber body is meant the structure that forms the interface, firing chamber, specifically is meant cylinder head, cylinder or piston head.
Spray lower part of frame in described rotation and be provided with the fuel distribution district, described fuel distribution district is communicated with the nozzle opening of fuel injector, and the outer wall in described fuel distribution district is provided with spray-hole, and described spray-hole is communicated with described fuel distribution district and engine chamber.Owing to rotate the rotation of spraying housing, the high pressure fuel of spray-hole ejection rotates, high pressure fuel can form good mixing gas in whole firing chamber (universe), the high pressure fuel that therefore can overcome conventional fuel injector spirt firing chamber can not rotate and the defective of the mixed gas white space that forms.
So-called fuel distribution district is meant in described rotation sprays the cavity that lower part of frame is provided with the nozzle opening of a coating fuel injector, and the high pressure fuel of fuel injector enters the fuel distribution district through nozzle opening, sprays into the firing chamber by spray-hole again.
Between described rotation injection housing and interface, described firing chamber body, establish firing chamber oil lubricating cooling chamber, or (and) between described rotation injection housing and described fuel injector, establish sparger oil lubricating cooling chamber.The filler opening of described firing chamber oil lubricating cooling chamber is communicated with the main oil gallery of motor, and the oil outlet of described firing chamber oil lubricating cooling chamber is communicated with the machine oil drainback passage of motor or is communicated with the filler opening of sparger oil lubricating cooling chamber; The filler opening of described sparger oil lubricating cooling chamber is communicated with the main oil gallery of motor or is communicated with the oil outlet of described firing chamber oil lubricating cooling chamber, and the oil outlet of described sparger oil lubricating cooling chamber is communicated with the machine oil drainback passage of motor.
The described rotation at the rotary seal surface of contact place between described rotation injection housing and interface, described firing chamber body is sprayed on housing or interface, the described firing chamber body and is established lubrication channel and little cave, and described lubrication channel is communicated with oil lubricating cooling channel, described firing chamber; Or (and) the described rotation of spraying the rotary seal surface of contact place between housing and the described fuel injector in described rotation sprays on housing or the described fuel injector and establish lubrication channel and little cave, described lubrication channel is communicated with described sparger oil lubricating cooling channel.
So-called lubrication channel is meant and is arranged on rotary seal surface of contact place, does not connect the passage that rotary seal surface of contact and an end are communicated with the oil lubricating cooling chamber.
So-called little cave is meant the closed pockets that is arranged on rotary seal surface of contact place, does not connect the rotary seal surface of contact.Described little cave and described lubrication channel must be arranged on the same structural member that forms the rotary seal surface of contact simultaneously, rotate the rotary seal surface of contact place of spraying housing such as being arranged on simultaneously, perhaps be arranged on the rotary seal surface of contact place of firing chamber simultaneously, perhaps be arranged on the rotary seal surface of contact place of oil sprayer simultaneously.
Described drive unit is made as mechanical actuation device.
Described drive unit is made as electromagnetic actuator device.
Described drive unit is made as fluid drive apparatus.
Described motor is made as all kinds of internal-combustion engines and all kinds of external-combustion engine, for example petrol engine, diesel engine, jet engine, gas turbine and steam turbine, and single cylinder and multi-cylinder all can.
The present invention has following actively useful effect:
1, the present invention is to conventional engines is less, simple in structure with the change of oil sprayer, adult is cheap;
2, the present invention can realize fuel and Air mixing in the cylinder universe, has improved the combustion performance of mixed gas, thereby has improved the efficient and the feature of environmental protection of motor;
3, the present invention is applicable to any equipment that has motor.
Description of drawings
Fig. 1 is the structural representation (Mechanical Driven) of one embodiment of the invention
Fig. 2 is that schematic representation is arranged in the expansion of sealed rotational surface of contact (lubrication channel and little cave are arranged)
Fig. 3 is the structural representation (Electromagnetic Drive) of another embodiment of the present invention
Fig. 4 is the structural representation (fluid drives) of another embodiment of the present invention
Accompanying drawing number
1. interface, fuel injector 2. firing chamber body 3. rotates and sprays housing
4. rotation drive structure 5. drive units 6. fuel distribution districts
7. spray-hole 11. firing chamber oil lubricating cooling chambers
12. sparger oil lubricating cooling chamber 9. lubrication channels 10. little caves
51. mechanical actuation device 52. electromagnetic actuator devices 53. fluid drive apparatus
Embodiment
The invention will be further described below in conjunction with specific embodiment and accompanying drawing:
A kind of outer rotor global fuel injector used for engine as shown in Figure 1, comprise fuel injector 1 and interface, firing chamber body 2, between described fuel injector 1 and interface, described firing chamber body 2, establish to rotate and spray housing 3, described rotation is sprayed housing 3 and is contacted with body 2 rotary seals of interface, described firing chamber with described fuel injector 1 respectively, establish rotation drive structure 4 on described rotation injection housing 3, described rotation drive structure 4 is subjected to drive unit 5 controls.
The bottom of spraying housing 3 in described rotation is provided with fuel distribution district 6, described fuel distribution district is communicated with the nozzle opening of fuel injector 1, the outer wall in described fuel distribution district 6 is provided with spray-hole 7, and described spray-hole 7 is communicated with described fuel distribution district 6 and engine chamber.
Between described rotation injection housing 3 and interface, described firing chamber body 2, establish firing chamber oil lubricating cooling chamber 11, spray between housing 3 and the described fuel injector 1 in described rotation and establish sparger oil lubricating cooling chamber 12.
As shown in Figure 2, the described rotation at the rotary seal surface of contact place between described rotation injection housing 3 and interface, described firing chamber body 2 is sprayed on housing 3 or interface, the described firing chamber body 2 and is established lubrication channel 9 and little cave 10, and described lubrication channel 9 is communicated with described firing chamber oil lubricating cooling chamber 11; Or (and) the described rotation of spraying the rotary seal surface of contact place between housing 3 and the described fuel injector 1 in described rotation sprays on housing 3 or the described fuel injector 1 and establish lubrication channel 9 and little cave 10, described lubrication channel 9 is communicated with described sparger oil lubricating cooling chamber 12.
Outer rotor global fuel injector used for engine as shown in Figure 1, described drive unit 5 is made as mechanical actuation device 51, is driven to rotate by mechanical actuation device and sprays the housing rotation.
Outer rotor global fuel injector used for engine as shown in Figure 3, described drive unit 5 is made as electromagnetic actuator device 52, is driven to rotate by electromagnetic actuator device and sprays the housing rotation.
Outer rotor global fuel injector used for engine as shown in Figure 4, described drive unit 5 is made as fluid drive apparatus 53, drive rotation by fluid drive apparatus and spray the housing rotation, described fluid drive apparatus is fluid pressure drive device, high pressure steam drive unit, compressed air drive arrangement, engine exhaust turbine drive unit etc.
Claims (7)
1, a kind of outer rotor global fuel injector used for engine, comprise fuel injector (1) and interface, firing chamber body (2), it is characterized in that: between described fuel injector (1) and interface, described firing chamber body (2), establish to rotate and spray housing (3), housing (3) is sprayed in described rotation, and rotary seal contacts with interface, described firing chamber body (2) with described fuel injector (1) respectively, establish rotation drive structure (4) on described rotation injection housing (3), described rotation drive structure (4) is subjected to drive unit (5) control.
2, outer rotor global fuel injector used for engine as claimed in claim 1, it is characterized in that: the bottom of spraying housing (3) in described rotation is provided with fuel distribution district (6), described fuel distribution district is communicated with the nozzle opening of fuel injector (1), the outer wall in described fuel distribution district (6) is provided with spray-hole (7), and described spray-hole (7) is communicated with described fuel distribution district (6) and engine chamber.
3, outer rotor global fuel injector used for engine as claimed in claim 1, it is characterized in that: spray between housing (3) and interface, the described firing chamber body (2) in described rotation and establish firing chamber oil lubricating cooling chamber (11), or (and) between described rotation injection housing (3) and described fuel injector (1), establish sparger oil lubricating cooling chamber (12).
4, outer rotor global fuel injector used for engine as claimed in claim 1, it is characterized in that: the described rotation at the rotary seal surface of contact place between described rotation injection housing (3) and interface, described firing chamber body (2) is sprayed on housing (3) or interface, the described firing chamber body (2) and is established lubrication channel (9) and little cave (10), and described lubrication channel (9) is communicated with oil lubricating cooling channel, described firing chamber (11); Or (and) spray on the described rotation injection housing (3) at the rotary seal surface of contact place between housing (3) and the described fuel injector (1) or the described fuel injector (1) in described rotation and to establish lubrication channel (9) and little cave (10), described lubrication channel (9) is communicated with described sparger oil lubricating cooling channel (12).
5, outer rotor global fuel injector used for engine as claimed in claim 1 is characterized in that: described drive unit (5) is made as mechanical actuation device (51).
6, outer rotor global fuel injector used for engine as claimed in claim 1 is characterized in that: described drive unit (5) is made as electromagnetic actuator device (52).
7, outer rotor global fuel injector used for engine as claimed in claim 1 is characterized in that: described drive unit (5) is made as fluid drive apparatus (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101439000A CN101555850B (en) | 2009-06-02 | 2009-06-02 | Outer rotor global fuel injector used for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101439000A CN101555850B (en) | 2009-06-02 | 2009-06-02 | Outer rotor global fuel injector used for engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101555850A true CN101555850A (en) | 2009-10-14 |
| CN101555850B CN101555850B (en) | 2011-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101439000A Expired - Fee Related CN101555850B (en) | 2009-06-02 | 2009-06-02 | Outer rotor global fuel injector used for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101555850B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382913A (en) * | 2013-03-22 | 2013-11-06 | 哈尔滨工程大学 | Combined-type rotary oil spray nozzle |
| CN106837639A (en) * | 2017-04-13 | 2017-06-13 | 沈阳航空航天大学 | A kind of close collision formula dual fuel engine nozzle assembly |
-
2009
- 2009-06-02 CN CN2009101439000A patent/CN101555850B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103382913A (en) * | 2013-03-22 | 2013-11-06 | 哈尔滨工程大学 | Combined-type rotary oil spray nozzle |
| CN106837639A (en) * | 2017-04-13 | 2017-06-13 | 沈阳航空航天大学 | A kind of close collision formula dual fuel engine nozzle assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101555850B (en) | 2011-07-20 |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20140602 |