CN108266274B - Engine, atomizer and its oil collecting ring - Google Patents
Engine, atomizer and its oil collecting ring Download PDFInfo
- Publication number
- CN108266274B CN108266274B CN201611263039.8A CN201611263039A CN108266274B CN 108266274 B CN108266274 B CN 108266274B CN 201611263039 A CN201611263039 A CN 201611263039A CN 108266274 B CN108266274 B CN 108266274B
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- fuel
- oil
- rod
- collecting ring
- fuel pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/22—Fuel supply systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The present invention provides the oil collecting ring in a kind of engine nozzle, including shell and oil circuit component.The shell has annular bottom surface and outer wall and inner wall, has at least one nozzle holes on the bottom surface.The oil circuit component is arranged between the outer wall and the inner wall, including the first fuel pipe, the second fuel pipe and at least one oil spout bar assembly.The oil spout bar assembly includes being connected to first fuel pipe and to the body of rod that the bottom surface extends, and positioned at the rod end and extends the spout outside the nozzle holes.Second fuel pipe includes the second fuel pipe main body and at least one bending section extended to the bottom surface direction, and at least part of the bending section abuts the body of rod.The present invention due to using the technology described above, is allowed to compared with existing fuel nozzle, has good cooling results, and the feature that fuel oil deposits, the probability of coking is low occurs.
Description
Technical field
It is especially a kind of to have heat anti-suitable for aircraft the present invention relates to a kind of engine, atomizer and its oil collecting ring
The atomizer and its oil collecting ring of protection structure.
Background technique
With the development of high-performance, high pressure ratio aero-engine, coolant is done with fuel oil to cool down the need of engine device
It asks and increases rapidly, so that fuel oil temperature of the fuel oil before entering oil collecting ring is increased up to 100~140 DEG C.Simultaneously with engine pressure
Ratio constantly increases to improve cycle efficieny, and combustion chamber inlet air temperature also further increases.The level-one of thrust ratio 10 is started
Machine combustion chamber inlet air temperature reaches 800K or more, so that oil temperature, oil pipe wall temperature are continuously improved in oil collecting ring, causes nozzle
Interior fuel oil heavy deposition, coking, are attached on inner wall, and meeting local stoppages spout when serious stops atomizer cone to be formed, leads to oil spray
Change quality sharply to deteriorate.Fuel-oil atmozation is bad and atomization quality is unstable will lead to combustion chamber ignition connection flame difficulty and irregular
Property and efficiency of combustion reduction, the unstable of fuel concentration field sometimes will lead to the distribution of combustor exit fuel gas temperature not
Stablize and deteriorate, the burn of burner inner liner and nozzle ring and rotor blade is caused when serious.Therefore, it is necessary to take nozzle
Provision for thermal insulation, to reduce heat transfer of the external heat source to fuel oil, to avoid generating coking because fuel oil temperature is excessively high.
The existing engine device that coolant is done with fuel oil, uses ring structure, that is, is arranged two in the shell of annular
A concentric oil circuit, using one of them as working connection, another then cools down working connection, can obtain certain cooling effect
Fruit.However, cooling means in the prior art still cannot thoroughly solve the problems, such as that fuel oil temperature is excessively high.Near oil collecting ring still very
It is easy to happen fuel oil deposition, coking.Therefore, being equipped with the oil collecting ring of traditional cooling device, fuel-oil atmozation still often occur bad
And the situation that atomization quality is unstable.Therefore very it is necessary to propose that one kind can thoroughly solve the problems, such as that fuel oil temperature is excessively high,
Oil collecting ring with novel cooling device.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of good cooling results, reduction generation fuel oil deposition, coking are general
The oil collecting ring of rate.
The present invention is in order to solve the above technical problems, provide a kind of oil collecting ring, including shell and oil circuit component.Shell tool
There are annular bottom surface and outer wall and inner wall, there are at least one nozzle holes on the bottom surface.Oil circuit component setting in the outer wall and
Between the inner wall, including the first fuel pipe, the second fuel pipe and at least one flowline.The flowline includes and this
The body of rod first fuel pipe connection and extended to the bottom surface, and positioned at the rod end and extend the spray outside the nozzle holes
Mouthful.Second fuel pipe includes the second fuel pipe main body and at least one bending section extended to the bottom surface direction, this is curved
At least part of pars convoluta abuts the body of rod.
At least one embodiment according to the present invention, the bending section are U-shaped, including a bottom edge pipeline and two sides pipe
Road.Each body of rod and at least one side pipeline abuts.
Two adjacent bodies of rod are arranged at least one embodiment according to the present invention, the bending section in a manner of interval
Between, this of the bending section is at least partially integrated with the outer wall of the body of rod.The side pipeline extends to the total of the body of rod
At the 70% of length, at 80% or at 90%.
At least one embodiment according to the present invention, first fuel pipe and the second fuel pipe main body are in same plane
It is interior, it is the circle with phase concentric.Wherein second fuel pipe is arranged on the inside or outside of the first fuel pipe, the side
At least part of pipeline is bent with extending to bottom surface direction to the direction in the axle center facing away or facing towards the oil collecting ring, is made curved
At least part of pars convoluta abuts the body of rod.
At least one embodiment according to the present invention, the side pipeline close to the side of the second fuel pipe main body with
Extend to bottom surface direction and is bent to the direction in the axle center facing away or facing towards the oil collecting ring.The side pipeline is close to the bottom edge pipeline
Side be straight line, against the body of rod and parallel with the body of rod.
At least one embodiment according to the present invention, the body of rod are parallel to the axle center of the oil collecting ring, and the spout is relative to this
The body of rod is deflected towards the axle center or away from the direction in the axle center.The spout is with respect to the range for the angle that the body of rod deflects, from
80 degree are deflected towards the axle center of the oil collecting ring and deflects 150 degree to away from the axle center, or are somebody's turn to do from the parallel body of rod direction to deviating from
Axle center deflects 100 degree.
At least one embodiment according to the present invention, first fuel pipe have two the first fuel oils being adjacently positioned defeated
Enter end, which has the second fuel oil input terminal and the second fuel oil output end.The second fuel oil input terminal and this
Two fuel oil output ends are located at close or far from the oil collecting ring the axle center side of this two the first fuel oil input terminals.
At least one embodiment according to the present invention further includes third fuel pipe, which is arranged at this
First fuel pipe deviates from the side of the bottom surface, which there is third fuel oil input terminal and third fuel oil to export
End.The third fuel oil input terminal and the third fuel oil output end are located at the two sides of this two the first fuel oil input terminals, and the third
Fuel oil input terminal is close to the second fuel oil output end position.
In order to solve at least part technical problem of the invention, the present invention also provides a kind of fuel nozzle, fuel oil sprays
Mouth includes above-mentioned oil collecting ring.
In order to solve at least part technical problem of the invention, the present invention also provides a kind of engines, including above-mentioned
Oil collecting ring, Fuel Injector Bar, cyclone and burner inner liner and casing.The oil collecting ring is arranged among the cyclone, side and the Fuel Injector Bar
Fuel oil is inputted the oil collecting ring by connection, the Fuel Injector Bar.The oil collecting ring, the cyclone are fixedly connected with the burner inner liner, the burner inner liner
It is arranged inside the casing.
The present invention due to using the technology described above, is allowed to compared with existing oil collecting ring, has good cooling results, is occurred
The feature that fuel oil deposits, the probability of coking is low.
Detailed description of the invention
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates, in which:
Fig. 1 is the appearance diagram of the oil collecting ring of one embodiment of the present of invention；
Fig. 2 is the schematic diagram of the section structure of the oil collecting ring of one embodiment of the present of invention；
Fig. 3 a is the oil circuit component structure diagram of one embodiment of the present of invention；
Fig. 3 b is the perspective view of the oil circuit inner surface of the oil circuit component of one embodiment of the present of invention；
Fig. 3 c is the side view of the oil circuit inner surface of the oil circuit component of one embodiment of the present of invention；
Fig. 3 d is the expanded schematic diagram of the oil circuit inner surface of the oil circuit component of one embodiment of the present of invention；
Fig. 4 is the schematic diagram of the spout of one embodiment of the present of invention；
Fig. 5 a is the schematic diagram of the section structure of the oil collecting ring of another embodiment of the invention；
Fig. 5 b is the structural schematic diagram of the oil circuit inner surface of the oil circuit component of another embodiment of the invention；
Fig. 5 c is the expanded schematic diagram of the oil circuit inner surface of the oil circuit component of another embodiment of the invention；
Fig. 6 is the schematic diagram of the section structure of the engine of one embodiment of the present of invention.
Specific embodiment
The embodiment of the present invention is described with detailed reference to attached drawing now.Now with detailed reference to preferred implementation of the invention
Example, its example is shown in the drawings.In the case of any possible, phase will be indicated using identical label in all the appended drawings
Same or similar part.In addition, although term used in the present invention is selected from public term, this
Some terms mentioned in description of the invention may be that applicant is judged to carry out selection as his or her, and detailed meanings are at this
Illustrate in the relevant portion of the description of text.Furthermore, it is desirable that not only by used actual terms, and be also to by each
Meaning that term is contained understands the present invention.
Illustrate the knot of oil collecting ring in a unrestricted example of the invention referring initially to Fig. 1,2,3a, 3b and 3c
Structure.In this unrestricted example, oil collecting ring 100 includes: shell 1 and oil circuit component 2.The general configuration of shell 1 such as Fig. 1
It is shown.Shell 1 has an annular bottom surface 11, outer wall 12 and inner wall 13.Wherein outer wall 12 and inner wall 13 can have identical
Axle center, the axle center are the axle center of oil collecting ring.There are one or more nozzle holes 111 on the bottom surface 11 of shell 1.
With reference to Fig. 2, oil circuit component 2 is arranged between outer wall 12 and inner wall 13.Oil circuit component 2 further comprises the first fuel oil
Pipeline 22 and the second fuel pipe 23 and at least one flowline 24.Flowline 24 further comprises the body of rod 241 and spout 242.
The body of rod 241 is connected to the first fuel pipe 22 and extends from the first fuel pipe 22 to the direction of bottom surface 11.The position of the body of rod 241
It is corresponding with the nozzle holes 111 of bottom surface 11 with quantity.Spout 242 is located at the end of the body of rod 241, and extends outside nozzle holes 111.
Fig. 3 a-d is further illustrated, in current non-limitative example, the structure of oil circuit component 2.It, can with reference to Fig. 3 a
Choosing, oil circuit component 2 further includes an oil circuit main body 21.A part all positions of first fuel pipe 22 and the second fuel pipe 23
In in the oil circuit main body 21 of the one.In other alternative-embodiments, the first fuel pipe 22 and the second fuel pipe 23 are
Independently of each other.
With reference to Fig. 3 b, in current non-limitative example, the first fuel pipe 22, the second fuel pipe 23, the body of rod
It is further detailed with the position of nozzle and connection relationship.Fig. 3 b shows the inner surface of oil circuit component 2, i.e. fuel flow
Path.As shown in Figure 3b, the second fuel pipe 23 includes the second fuel pipe main body 232 and at least one prolongs to bottom surface direction
The bending section 231 stretched.Wherein at least part of bending section 231 is close to the body of rod 241.From the angle of fuel flow route, make
Either as shown in the figure, a part of bending section 231 is parallel with the body of rod and is close to, and is also possible to its other party for the method that is close to
Formula, for example, a part of bending section 231 is interlocked with the body of rod 241, or entire bending section 231 is around body of rod 241 etc..In addition,
It is to the method for being close to 231 body of rod 241 of bending section either as shown in Figure 3a from the angle of pipe arrangement, bending section
231 at least part and at least part of the body of rod 241 be it is integrated, be also possible to other modes.For example, bending section 231
But its outer wall seperated with the body of rod 241 contacts with each other.At least part of bending section 231 and at least part of the body of rod 241 are
One is advantageous in that, reduces interface, and the high thermal conductivity increased using tube wall enhances cooling effect.
Applicant provides a kind of novel oil collecting ring in the present invention.Oil collecting ring provided by the present invention, due to second
Fuel pipe has bending section, can be close to the body of rod even spout, thus can be located at fuel oil of the body of rod even in spout into
Row cooling.Therefore, compared with existing oil collecting ring, there are good cooling results, fuel oil deposition occurs, the probability of coking substantially reduces
The characteristics of.
But, it is notable that above-mentioned example is a non-limiting embodiment of the invention.In fact, hair
The specific structure at many positions of bright oil collecting ring can have the variation of multiplicity.Come below with some examples in these variations
A part be illustrated.
With reference to Fig. 3 b and 3c, in a unrestricted example, the shape of bending section 231 is U-shaped.Each bending section
231 include a bottom edge pipeline 2311 substantially parallel with the second fuel pipe main body 232 and two and the second fuel pipe master
The substantially vertical side pipeline 2312 of body 232.Each described body of rod 241 is abutted with a side pipeline 2312.Current
Unrestricted example in, side pipeline extends at the 70% of the total length of the body of rod, at 80% or at 90%.These
Percentage is to comprehensively consider type of fuel, fuel flow rate, body of rod internal diameter, bending section internal diameter, oil collecting ring to be averaged a variety of ginsengs such as operating condition
Repetition test obtains after number.Such setting can guarantee that the body of rod 241 cooling as far as possible of side pipeline 2312 is even spraying
Fuel oil near mouth 242 avoids fuel oil deposition, coking.Meanwhile so that bottom edge pipeline 2311 and the higher annular of temperature bottom surface
11 keep appropriately distance.At this point, bottom surface 11 wraps up the second fuel pipe 23 and wherein there is certain space, air therein is made
For heat-barrier material, it can heat up to avoid the fuel oil in the second fuel pipe 23 too fast, influence cooling effect.Especially for avoiding
It is insufficient to the fuel oil cooling in the body of rod 241 close to the fuel outlet position of the second fuel pipe 23.
With reference to Fig. 3 d, in current unrestricted example, bending section 231 is arranged in described two in a manner of interval
Between the adjacent body of rod 241.I.e., it is assumed that when being equipped with bending section between first body of rod and second body of rod, then second body of rod and third
Bending section is not set between the body of rod, and bending section is then equipped between the third body of rod and the 4th body of rod.Such setting can protected
While card cools down each body of rod, it is ensured that the total path of the second fuel pipe 23 will not be too long, to influence to cool down
Effect.
Fig. 3 b and 3c are returned to, in a unrestricted example, the first fuel pipe 22 and the second fuel pipe main body
232 are in the same plane, and are two concentric circles.The center of circle of first fuel pipe 22 and the second fuel pipe main body 232 all exists
On the axle center of oil collecting ring 100, while the second fuel pipe main body 232 is close to the first fuel pipe 22.Such be provided with is conducive to
Arrange bending section.Specifically, the inside that the first fuel pipe 22 is arranged in the second fuel pipe main body 232 has many advantageous effects
Fruit.Firstly, the inside that the first fuel pipe 22 is arranged in the second fuel pipe main body 232 can be such that spout 242 keeps in the body of rod 241
Disperse as far as possible in the case where straight line, can be mixed well with air after making fuel-oil atmozation.Secondly, the second fuel pipe main body 232 is set
Setting can make the turning point of bending section less in the inside of the first fuel pipe 22, and situation of transferring is fairly simple, and fuel oil is made to exist
In second fuel pipe flow when ratio smoothly.
In current non-limitative example, at least part of side pipeline 2312 supports or opposes with to the extension of bottom surface direction
The direction in the axle center from oil collecting ring is bent.Optionally, part (figure of the side pipeline 2312 close to the second fuel pipe main body 232
Left-hand component in 3b and 3c), the direction away from the axle center of oil collecting ring is extended to bottom surface direction (in Fig. 3 b and 3c to the right)
It is bent (being bent outwardly).Side pipeline 2312 is straight close to the side (right-hand component in Fig. 3 b and 3c) of bottom edge pipeline 2311
Line.The side pipeline 2312 of this section of straight line is parallel with the body of rod 241 and abuts the body of rod 241.That is, side pipeline 2312 and the second combustion
Oil pipe line main body 232 connect part be flared, and close to the part of spout 242 be then straight line.Due to shell 1
The bottom surface 11 of annular is the highest part of temperature in entire oil collecting ring, the shape of side pipeline 2312 in current non-limitative example
Shape enables the part in the body of rod 241 close to bottom surface 11 to be adequately cooled, and the part relatively low in temperature, then cloth
Warp architecture is set, so that the fuel oil in the second fuel pipe 23 can flow.Meanwhile warp architecture can also reduce the second fuel oil
The maximum curvature of pipeline main body 232 and 2312 junction of side pipeline so that fuel oil is in the second fuel pipe 23, flowing more
It is smooth.In addition, such arrangement can not only make between the first fuel pipe 22 and the second fuel pipe 23, the second combustion
It is sufficiently exchanged heat between oil pipe line 23 and the body of rod 241, the bottom edge pipeline 2311 of two fuel pipes 23 is also enabled partially to hinder
Heat radiation of the bottom surface 11 to the first fuel pipe 22 is kept off, the effect of certain thermal protection is also functioned to.
It is worth noting that, the second fuel pipe main body 232 also can be set in the outside on 22 tunnel of the first fuel pipe.This
When, at least part of the side pipeline 2312 with extend to 11 direction of bottom surface and to the direction in the axle center towards the oil collecting ring
Bending, to make at least part of bending section 231 against the body of rod 241.Optionally, side pipeline 2312 is close at this time
The part of second fuel pipe main body 232, as the direction bending extended to bottom surface direction towards the axle center is (i.e. inwardly curved
It is bent).Side pipeline 2312 is then similarly straight line close to the side of bottom edge pipeline 2311 at this time.
With reference to Fig. 4, according to a unrestricted example, the body of rod 241 is parallel to axle center, and spout 242 is relative to the body of rod
241, towards axle center or away from the deflection in axle center.Assuming that the angle of deflection is α, and assume that α is greater than 0 when away from axle center deflection.
Then, the angle of α can be -80 degree to changing between 150 degree.Preferably, the angle of α can be 0 degree to 100 degree.It is such
Angle makes the mixing situation of atomizing effect and fuel oil in whole air into engine interior all preferable.
Fig. 3 b is returned to, according to a unrestricted example, there are two the first fuel oil input terminals for the first fuel pipe 22 tool
221.The two first fuel oil input terminals 221 are adjacently positioned.Second fuel oil input terminal 233 of the second fuel pipe 23 and the second combustion
Oily output end 234 (symmetrical with the second fuel oil input terminal 233, to be blocked in figure by the first fuel oil input terminal 221) is located at two first
The close axle center side of fuel oil input terminal.The advantages of this arrangement are as follows since the fuel oil in the second fuel pipe 23 is playing
Temperature constantly rises when cooling effect, thus the cooling effect near the second fuel oil output end 234 is worst.It is
Two the first fuel oil input terminals 221 are arranged in one fuel pipe 22, can make the fuel oil temperature highest in the first fuel pipe 22
Point be located furthest from the positions of two the first fuel oil input terminals 221, i.e. underface in Fig. 3 b, and be not herein the second fuel oil
The highest point of 23 intermediate fuel oil temperature of pipeline, cooling effect are not worst.Therefore, such setting so that entire oil collecting ring it is cold
But effect is preferable.It is worth noting that, the second fuel pipe main body 232 also can be set in the outer of 22 tunnel of the first fuel pipe
Side.At this point, the second fuel oil input terminal 233 and the second fuel oil output end 234 of the second fuel pipe 23 are located at two the first fuel oils
The side away from axle center of input terminal 221.
Illustrate the structure of oil collecting ring in another unrestricted example of the invention provided below with reference to Fig. 5 a-c.When
The something in common of oil collecting ring and the oil collecting ring in example before in preceding unrestricted example repeats no more, difference packet
Including also has third fuel pipe 25.Third fuel pipe main body 25 be arranged in the first fuel pipe 22 away from 11 side of bottom surface
(left side in Fig. 5 a).
With reference to Fig. 5 b and 5c, optionally, there is third fuel pipe 25 third fuel oil input terminal 251 and third fuel oil to export
End 252 is located at the two sides of described two first fuel oil input terminals 221.The benefit being arranged in this way is, third fuel pipe can be into
One step enhances cooling effect.And third fuel oil input terminal 251 is arranged near the second fuel oil output end 234.In this position
The cooling effect of second fuel pipe is worst and the cooling effect of third fuel pipe is best, therefore whole cooling effect compares
It is balanced.
Illustrate a kind of optional embodiment of the engine using oil collecting ring given by the present invention below with reference to Fig. 6.
The engine includes oil collecting ring 100, Fuel Injector Bar 200, cyclone 300 and burner inner liner 400 and casing 500.
Oil collecting ring 100 is arranged among the cyclone 300.The side of oil collecting ring 100 is fixedly connected with Fuel Injector Bar 200.
Fuel Injector Bar 200 connects Fuel Injector Bar will be in oil collecting ring.That is, fuel oil is inputted the first fuel pipe 22 and the second fuel oil by Fuel Injector Bar 200
In pipeline 23, if also having third fuel pipe 25 in oil collecting ring 100, fuel oil is also inputted third fuel pipe by Fuel Injector Bar 200
Road 25.
Oil burner nozzle 100, Fuel Injector Bar 200, cyclone 300 form atomizer 600, be arranged in the front end of burner inner liner 400 and with
Burner inner liner 400 is fixedly connected.Its connection method can be, and oil collecting ring 100 connect flame cylinder 400 with burner inner liner by cyclone 300
Connection.
The fuel oil that oil collecting ring 100 sprays enters burner inner liner 400 (such as arrow institute intermediate in Fig. 5 b after capable of mixing with air
Show), the setting of burner inner liner 400 there are certain space and is open inside the casing 500, and between casing 500, so that
Air can enter the space between burner inner liner 400 and casing 500 (as shown in the arrow of the left and right sides in Fig. 5 b).
Although the present invention is described with reference to current specific embodiment, those of ordinary skill in the art
It should be appreciated that above embodiment is intended merely to illustrate the present invention, can also be done in the case where no disengaging spirit of that invention
Various equivalent change or replacement out, therefore, as long as to the variation of above-described embodiment, change in spirit of the invention
Type will all be fallen in the range of following claims.
Claims (10)
1. the oil collecting ring in a kind of engine nozzle, comprising: shell and oil circuit component；The shell is with annular bottom surface and outside
Wall and inner wall have at least one nozzle holes on the bottom surface；
The oil circuit component is arranged between the outer wall and the inner wall, including the first fuel pipe, the second fuel pipe, with
And at least one flowline；
The flowline include be connected to first fuel pipe and to the bottom surface extend the body of rod, and be located at the body of rod
End and extend the spout outside the nozzle holes；
Second fuel pipe includes bending section that the second fuel pipe main body extends at least one to the bottom surface direction,
At least part of the bending section abuts the body of rod.
2. oil collecting ring according to claim 1, it is characterised in that: the bending section be it is U-shaped, including bottom edge pipeline and
Two side pipelines；
Each body of rod is abutted with side pipeline described at least one.
3. oil collecting ring according to claim 2, it is characterised in that: the bending section is arranged in described two in a manner of interval
Between a adjacent body of rod, described at least part of the bending section and the outer wall of the body of rod are integrated；
The side pipeline extends at the 70% of the total length of the body of rod, at 80% or at 90%.
4. oil collecting ring according to claim 2, it is characterised in that: first fuel pipe and the second fuel pipe main body
In in same plane, being the circle with phase concentric, the center of circle is located on the axle center of the oil collecting ring；
Second fuel pipe is arranged on the inside or outside of the first fuel pipe, at least part of the side pipeline with
Extend to bottom surface direction to the direction bending facing away or facing towards the axle center, makes at least part of bending section against the bar
Body.
5. oil collecting ring according to claim 4, it is characterised in that: the side pipeline is close to the second fuel pipe master
The side of body is bent with extending to bottom surface direction to the direction facing away or facing towards the axle center；
The side pipeline is straight line close to the side of the bottom edge pipeline, against the body of rod and parallel with the body of rod.
6. oil collecting ring according to claim 1, it is characterised in that: the body of rod is parallel to the axle center of the oil collecting ring, institute
Spout is stated to deflect relative to the body of rod towards the axle center or away from the direction in the axle center；
The range of the angle of the relatively described body of rod deflection of the spout is to deflect 80 degree to away from the axis from towards the axle center
The heart deflects 150 degree, or deflects 100 degree from the parallel body of rod direction to away from the axle center.
7. oil collecting ring according to claim 1, it is characterised in that: first fuel pipe has two be adjacently positioned
First fuel oil input terminal, second fuel pipe have the second fuel oil input terminal and the second fuel oil output end；
The second fuel oil input terminal and the second fuel oil output end be located at the close of described two first fuel oil input terminals or
Axle center side of the person far from the oil collecting ring.
8. oil collecting ring according to claim 7, it is characterised in that: it further include third fuel pipe, the third fuel pipe
The side that first fuel pipe deviates from the bottom surface is arranged in road, and the third fuel pipe has third fuel oil input terminal
With third fuel oil output end；
The third fuel oil input terminal and the third fuel oil output end are located at the two sides of described two first fuel oil input terminals, and
The third fuel oil input terminal is close to the second fuel oil output end position.
9. a kind of fuel nozzle, including such as the described in any item oil collecting rings of claim 1-8.
10. a kind of engine, characterized by comprising: such as oil collecting ring described in any item of the claim 1 to 8, Fuel Injector Bar, rotation
Flow device and burner inner liner and casing；
The oil collecting ring is arranged among the cyclone, and side is connect with the Fuel Injector Bar, and the Fuel Injector Bar inputs fuel oil
The oil collecting ring；
The oil collecting ring, the cyclone are fixedly connected with the burner inner liner, and the burner inner liner is arranged inside the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263039.8A CN108266274B (en) | 2016-12-30 | 2016-12-30 | Engine, atomizer and its oil collecting ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263039.8A CN108266274B (en) | 2016-12-30 | 2016-12-30 | Engine, atomizer and its oil collecting ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108266274A CN108266274A (en) | 2018-07-10 |
| CN108266274B true CN108266274B (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611263039.8A Active CN108266274B (en) | 2016-12-30 | 2016-12-30 | Engine, atomizer and its oil collecting ring |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165812B (en) * | 2020-09-11 | 2023-05-12 | 中国航发商用航空发动机有限责任公司 | Fuel nozzle, combustion chamber, gas turbine engine and vibration damping method |
| CN114543117B (en) * | 2020-11-25 | 2023-08-08 | 中国航发商用航空发动机有限责任公司 | Fuel nozzle and aeroengine |
| CN114763912B (en) * | 2021-01-12 | 2023-08-25 | 中国航发商用航空发动机有限责任公司 | Fuel nozzle, combustion chamber and gas turbine engine |
| CN115479283B (en) * | 2021-06-15 | 2023-09-26 | 中国航发商用航空发动机有限责任公司 | fuel nozzle |
| CN114151827B (en) * | 2022-02-08 | 2022-07-08 | 中国航发四川燃气涡轮研究院 | Flexible fuel manifold integrated with fuel nozzle |
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| CN104713128A (en) * | 2013-12-12 | 2015-06-17 | 中航商用航空发动机有限责任公司 | Nozzle rod part, fuel nozzle and aero-engine gas turbine |
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| CN2145913Y (en) * | 1992-12-11 | 1993-11-10 | 岳阳市颜氏燃烧器厂 | oil fuel combustion flame tube |
| US6109038A (en) * | 1998-01-21 | 2000-08-29 | Siemens Westinghouse Power Corporation | Combustor with two stage primary fuel assembly |
| CN102639939A (en) * | 2009-11-30 | 2012-08-15 | 西门子公司 | Burner assembly |
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|---|---|
| CN108266274A (en) | 2018-07-10 |
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