CN107084051A - A kind of direct acting type fuel-metering device and its metering method - Google Patents
A kind of direct acting type fuel-metering device and its metering method Download PDFInfo
- Publication number
- CN107084051A CN107084051A CN201710437148.5A CN201710437148A CN107084051A CN 107084051 A CN107084051 A CN 107084051A CN 201710437148 A CN201710437148 A CN 201710437148A CN 107084051 A CN107084051 A CN 107084051A
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- Prior art keywords
- pipes
- fuel
- metering
- direct
- metering device
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- 238000000034 method Methods 0.000 title claims description 12
- 239000000295 fuel oil Substances 0.000 claims abstract description 29
- 239000000446 fuel Substances 0.000 claims abstract description 21
- 230000004048 modification Effects 0.000 claims abstract description 17
- 238000012986 modification Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 230000006641 stabilisation Effects 0.000 claims description 6
- 238000011105 stabilization Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000008676 import Effects 0.000 abstract description 3
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- F02C7/222—Fuel flow conduits, e.g. manifolds
-
- 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
- F02C7/232—Fuel valves; Draining valves or systems
-
- 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
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
-
- 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
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/26—Control of fuel supply
- F02C9/263—Control of fuel supply by means of fuel metering valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/20—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by detection of dynamic effects of the flow
Abstract
The invention discloses a kind of direct acting type fuel-metering device, including pipeline transport system, high temperature modification oval gear flowmeter system, equivalent valve metering system and direct-type equal differential pressure valve control system.The present invention is simple in construction, and effect is obvious, the high direct acting type fuel-metering device of reliability；Using high temperature modification oval gear flowmeter system, the precision of control is high, small by external influence factor；Using spherical equivalent valve metering system and the oil pressure and flow of direct-type equal differential pressure valve control system match control fuel oil；The oil return window aperture for relying primarily on regulation equal differential pressure valve control system is controlled to send the import of pump back to realize the effect of equal-pressure-difference by fuel pump output excess traffic using fuel flow；Due to no amplifier element, equal differential pressure valve is both measuring cell and executive component, therefore steady-state error is larger, but apparatus structure is simple, and reliability is high, in the general energy extensive use in aero-engine of precision prescribed.
Description
Technical field
The present invention relates to aero-engine fuel injection system engineering test field, specifically a kind of direct acting type fuel oil
Metering device and its metering method.
Background technology
At present in aviation field, aero-engine is generally sufficiently expensive, the research of aero-engine fuel-metering device into
For current technological improvement problem.Modern aeroengine is continued to develop, and the control performance of engine is proposed higher
It is required that.The increase of control function and the raising of control accuracy cause the requirement more and more higher to control system.During aero-engine
The margin of safety can be often operated in, if can not accurately control fuel flow that the working condition of engine may be made to exceed safe edge
Boundary, causes engine the damage even serious consequence of fatal crass.The fuel flow of control engine is phase in general
To being relatively easy to, but different zones of the aircraft in its flight envelope are flown, and the working condition of engine is also constantly occurring
Change, so the pressure of oil pump and the pressure of combustion chamber also change at any time.In this case, in-engine combustion
The inlet and outlet pressure of oil measurement device is all uncertain.How essence to engine fuel flow is kept in this case
Really control is the technical barrier that emphasis should be solved.Accordingly, it would be desirable to which a kind of apparatus structure of R ＆ D design is simple, reliability is high, energy
The aero-engine fuel-metering device that uses in aero-engine is widely used in keep the essence to engine fuel flow
Really control.
The content of the invention
It is above-mentioned to solve it is an object of the invention to provide a kind of direct acting type fuel-metering device and its metering method
The problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of direct acting type fuel-metering device, including pipeline transport system, high temperature modification oval gear flowmeter system,
Equivalent valve metering system and direct-type equal differential pressure valve control system.
It is used as further scheme of the invention：The pipeline transport system is to be connected firmly with various terminal with each system
Round tube.
It is used as further scheme of the invention：The pipeline transport system include No. one pipe, No. two pipe, No. three pipe, No. four
Pipe, No. five pipes, No. six pipes, No. seven pipes, No. eight pipes, No. nine pipes, No. ten pipes and ride on Bus No. 11 pipe.
It is used as further scheme of the invention：The high temperature modification oval gear flowmeter system includes two end connectors, outer
Shell, two vertical oval blade profile gear, two axles, four bearings and end caps mutually moved and metering display table；End connector
Installed in the both sides of shell, two axles are by installing the inside for being fixed on shell of bearing one on the other, two at the two ends of axle
Oval blade profile gear is mounted on an axle and vertically can mutually moved, and end cap and metering display are also equipped with the side of shell
Table.
It is used as further scheme of the invention：The equivalent valve metering system includes global shell, and global shell includes two
Hemispherical Shell, is provided with holes on the same line and wedge-shaped slot on global shell, is placed in global shell in a strap wrenches
Bulb equivalent valve.
It is used as further scheme of the invention：The direct-type equal differential pressure valve control system includes the piston in three holes of band
Cylinder a, hole is opened in the top side wall of piston cylinder, and a hole is opened in the sidewall bottom of piston cylinder, and another hole is opened in piston cylinder
On bottom, sealing piston, spring and threaded adjusting bar are installed in piston cylinder, sealing piston is arranged on the bottom of spring, spring
Top be connected with the bottom of threaded adjusting bar, threaded adjusting bar through piston cylinder opening at install bung upwardly extend
The end of threaded adjusting bar is provided with termination straight burr lid.
A kind of metering method using above-mentioned direct acting type fuel-metering device, comprises the following steps：
A, fuel oil enter high temperature modification oval gear flowmeter system, high temperature modification elliptic gear by a pipe through No. two pipes
Fuel metering and pressurization are output to No. five pipes by flowmeter system；
B, the fuel oil by No. five pipes, working portion enter equivalent valve metering system by No. six pipes, open equivalent and live
Fuel oil is set to pass through after the spanner of door metering system, another voltage stabilization part fuel oil then enters direct-type equal differential pressure valve through No. seven pipes
Control system；
C, working portion fuel oil enter fuel nozzle by No. nine pipes again and burnt, and another voltage stabilization part fuel oil is through ten
Number pipe, ride on Bus No. 11 pipe enter direct-type equal differential pressure valve control system；
D, two parts voltage stabilizing fuel oil entered from No. seven pipes and ride on Bus No. 11 pipe, pressure difference is formed at the two ends of sealing piston, this
Individual pressure difference causes spring to be stretched, so as to control the process of sealing piston and make the opening degree change of fuel outlet section, this is just
It is the Method And Principle of direct acting type fuel metering；
E, the fuel oil returned from the oil-out of piston cylinder return to a pipe recycling after No. four pipes and No. three pipes.
Compared with prior art, the beneficial effects of the invention are as follows：
First, simple in construction, effect is obvious, the high direct acting type fuel-metering device of reliability；
2nd, using high temperature modification oval gear flowmeter system, the precision of control is high, small by external influence factor；
3rd, using spherical equivalent valve metering system and the oil of direct-type equal differential pressure valve control system match control fuel oil
Pressure and flow；
4th, control to rely primarily on the oil return window aperture for adjusting equal differential pressure valve control system by fuel oil using fuel flow
Pump output excess traffic sends the import of pump back to realize the effect of equal-pressure-difference；Due to no amplifier element, equal differential pressure valve is both
Measuring cell is executive component again, therefore steady-state error is larger, but apparatus structure is simple, and reliability is high, general in precision prescribed
Can extensive use in aero-engine.
Brief description of the drawings
Fig. 1 is the structural representation of direct acting type fuel-metering device.
Fig. 2 is the structural representation of direct acting type fuel-metering device high temperature type oval gear flowmeter system.
Fig. 3 is the structural representation of equivalent valve metering system in direct acting type fuel-metering device.
Fig. 4 is the structural representation of direct-type equal differential pressure valve control system in direct acting type fuel-metering device.
Fig. 5 is the structural representation under the working condition of direct acting type fuel-metering device.
In figure：1- pipeline transport systems, 2- high temperature modification oval gear flowmeters system, 3- equivalent valve metering system, 4-
The oval blade profile gear of direct-type equal differential pressure valve control system, 5- end connectors, 6- shells, 7-, 8- axles, 9- bearings, 10- end caps
And metering show table, 11- hemispherical Shells, the interior bulb equivalent valve of 12- strap wrenches, 13- terminations straight burr lid, 14- threaded adjustings bar,
Bung with threaded hole 15-, 16- springs, 17- sealing pistons, 18- piston cylinders, number pipe of 111-, 112- No. bis- pipes, 113- tri-
Number pipe, the pipe of 114- tetra-, No. five pipes of 115-, No. six pipes of 116-, No. seven pipes of 117-, No. eight pipes of 118-, 119- No. nine pipes, 1110-
No. ten pipes, 1111- ride on Bus No. 11 pipes.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to the oval tooth of Fig. 1-5, a kind of direct acting type fuel-metering device, including pipeline transport system 1, high temperature modification
Flowmeters system 2, equivalent valve metering system 3 and direct-type equal differential pressure valve control system 4.
The pipeline transport system 1 is the firm round tube that is connected with various terminal with each system.
The pipeline transport system 1 includes a pipe 111, No. two pipes 112, No. three pipes 113, No. four pipes 114, No. five pipes
115th, No. six pipes 116, No. seven pipes 117, No. eight pipes 118, No. nine pipes 119, No. ten pipes 1110 and ride on Bus No. 11 pipe 1111.
The high temperature modification oval gear flowmeter system 2 is vertically mutually moved including two end connectors 5, shell 6, two
Oval blade profile gear 7, two axles 8, four bearings 9 and end cap and metering show table 10；End connector 5 is arranged on the two of shell 6
Side, two axles 8 are by installing the inside for being fixed on shell 6 of bearing 9 one on the other, two oval blade profiles at the two ends of axle 8
Gear 7 is arranged on axle 8 and vertically can mutually moved, and end cap and metering display table 10 are also equipped with the side of shell 6.
The equivalent valve metering system 3 includes global shell, and global shell includes two hemispherical Shells 11, is provided with global shell
Holes on the same line and wedge-shaped slot, place the interior bulb equivalent valve 12 of a strap wrenches in global shell.
The direct-type equal differential pressure valve control system 4 includes the piston cylinder 18 in three holes of band, and a hole is opened in piston cylinder
18 top side wall a, hole is opened in the sidewall bottom of piston cylinder 18, and another hole is opened on the bottom of piston cylinder 18, in piston
Sealing piston 17, spring 16 and threaded adjusting bar 14 are installed, sealing piston 17 is arranged on the bottom of spring 16, spring 16 in cylinder 18
Top be connected with the bottom of threaded adjusting bar 14, threaded adjusting bar 14 through piston cylinder 18 opening at install bung 15 to
On extend in the end of threaded adjusting bar 14 termination straight burr lid 13 be installed.
A kind of metering method using above-mentioned direct acting type fuel-metering device, comprises the following steps：
A, fuel oil enter high temperature modification oval gear flowmeter system 2, high temperature modification is ellipse by a pipe 111 through No. two pipes 112
Fuel metering and pressurization are output to No. five pipes 115 by Knucle-gear flowmeter system 2；
B, the fuel oil by No. five pipes 115, working portion enter equivalent valve metering system 3 by No. six pipes 116, open
Fuel oil is set to pass through after the spanner of equivalent valve metering system 3, another voltage stabilization part fuel oil then enters direct-type through No. seven pipes 117
Equal differential pressure valve control system 4；
C, working portion fuel oil enter fuel nozzle by No. nine pipes 119 again and burnt, another voltage stabilization part fuel oil
Enter direct-type equal differential pressure valve control system 4 through No. ten pipes 1110, ride on Bus No. 11 pipe 1111；
D, two parts voltage stabilizing fuel oil entered from No. seven pipes 117 and ride on Bus No. 11 pipe 1111, in the two ends shape of sealing piston 17
Into pressure difference, this pressure difference causes spring to be stretched, so as to control the process of sealing piston 17 and make the folding of fuel outlet section
Degree change, here it is the Method And Principle of direct acting type fuel metering；
E, the fuel oil returned from the oil-out of piston cylinder 18 return to a pipe after No. four pipes 114 and No. three pipes 113
111 recycling.
The present invention is simple in construction, and effect is obvious, the high direct acting type fuel-metering device of reliability；It is ellipse using high temperature modification
Knucle-gear flowmeter system, the precision of control is high, small by external influence factor；Using spherical equivalent valve metering system and directly
The oil pressure and flow of formula equal differential pressure valve control system match control fuel oil；Regulation is relied primarily on using fuel flow control isobaric
Fuel pump output excess traffic is sent back to the import of pump to realize the work of equal-pressure-difference by the oil return window aperture of poor valve control system
With；Due to no amplifier element, equal differential pressure valve is both measuring cell and executive component, therefore steady-state error is larger, but dress
Put simple in construction, reliability is high, in the general energy extensive use in aero-engine of precision prescribed.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
, can also be on the premise of this patent objective not be departed from formula, the knowledge that one skilled in the relevant art possesses
Make a variety of changes.
Claims (7)
1. a kind of direct acting type fuel-metering device, it is characterised in that including pipeline transport system (1), the oval tooth of high temperature modification
Flowmeters system (2), equivalent valve metering system (3) and direct-type equal differential pressure valve control system (4).
2. direct acting type fuel-metering device according to claim 1, it is characterised in that the pipeline transport system
(1) it is the firm round tube that is connected with various terminal with each system.
3. direct acting type fuel-metering device according to claim 2, it is characterised in that the pipeline transport system
(1) pipe (111), No. two pipes (112), No. three pipes (113), No. four pipes (114), No. five pipes (115), No. six pipes are included
(116), No. seven pipes (117), No. eight pipes (118), No. nine pipes (119), No. ten pipes (1110) and ride on Bus No. 11 pipe (1111).
4. direct acting type fuel-metering device according to claim 1, it is characterised in that the high temperature modification elliptic gear
Flowmeter system (2) includes two end connectors (5), shell (6), two the vertical oval blade profile gears (7) mutually moved, two
Root axle (8), four bearings (9) and end cap and metering show table (10)；End connector (5) is arranged on the both sides of shell (6), two axles
(8) by installing the inside for being fixed on shell (6) of bearing (9) one on the other, two oval blade profile teeth at the two ends of axle (8)
Wheel (7) is arranged on axle (8) and vertically can mutually moved, and end cap and metering display table are also equipped with the side of shell (6)
(10)。
5. direct acting type fuel-metering device according to claim 1, it is characterised in that the equivalent valve metering system
System (3) includes global shell, and global shell includes two hemispherical Shells (11), holes on the same line and wedge are provided with global shell
Shape groove, places the interior bulb equivalent valve (12) of a strap wrenches in global shell.
6. direct acting type fuel-metering device according to claim 1, it is characterised in that the direct-type equal-pressure-difference is lived
Accelerator control system (4) includes the piston cylinder (18) in three holes of band, and a hole is opened in the top side wall of piston cylinder (18), and a hole is opened
Sidewall bottom in piston cylinder (18), another hole is opened on the bottom of piston cylinder (18), and sealing is installed in piston cylinder (18)
Piston (17), spring (16) and threaded adjusting bar (14), sealing piston (17) are arranged on the bottom of spring (16), spring (16)
Top is connected with the bottom of threaded adjusting bar (14), bung of the threaded adjusting bar (14) through installation at the opening of piston cylinder (18)
(15) upwardly extend and termination straight burr lid (13) is installed in the end of threaded adjusting bar (14).
7. a kind of metering method of direct acting type fuel-metering device as described in claim 1-6 is any, it is characterised in that
Comprise the following steps：
A, fuel oil enter high temperature modification oval gear flowmeter system (2), high temperature modification by a pipe (111) through No. two pipes (112)
Fuel metering and pressurization are output to No. five pipes (115) by oval gear flowmeter system (2)；
B, the fuel oil by No. five pipes (115), working portion enter equivalent valve metering system (3) by No. six pipes (116), beat
Fuel oil is set to pass through after the spanner for opening equivalent valve metering system (3), another voltage stabilization part fuel oil then enters through No. seven pipes (117)
Direct-type equal differential pressure valve control system (4)；
C, working portion fuel oil enter fuel nozzle by No. nine pipes (119) again and burnt, another voltage stabilization part fuel oil warp
No. ten pipes (1110), ride on Bus No. 11 pipes (1111) enter direct-type equal differential pressure valve control system (4)；
D, two parts voltage stabilizing fuel oil entered from No. seven pipes (117) and ride on Bus No. 11 pipe (1111), the two ends in sealing piston (17)
Pressure difference is formed, this pressure difference causes spring to be stretched, so as to control the process of sealing piston (17) and make fuel outlet section
Opening degree changes；
E, the fuel oil returned from the oil-out of piston cylinder (18) return to No. one after No. four pipes (114) and No. three pipes (113)
Manage (111) recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437148.5A CN107084051A (en) | 2017-06-12 | 2017-06-12 | A kind of direct acting type fuel-metering device and its metering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437148.5A CN107084051A (en) | 2017-06-12 | 2017-06-12 | A kind of direct acting type fuel-metering device and its metering method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107084051A true CN107084051A (en) | 2017-08-22 |
Family
ID=59606103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710437148.5A Pending CN107084051A (en) | 2017-06-12 | 2017-06-12 | A kind of direct acting type fuel-metering device and its metering method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107084051A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654268A (en) * | 2017-10-11 | 2019-04-19 | 中国航发西安动力控制科技有限公司 | A kind of pressure difference mechanism |
| CN112082613A (en) * | 2020-08-28 | 2020-12-15 | 武汉理工大学 | Auxiliary starting system of elliptic gear flowmeter |
| CN112146125A (en) * | 2019-06-27 | 2020-12-29 | 中国航发商用航空发动机有限责任公司 | Fuel nozzle, combustion chamber, gas turbine and method for preventing coking of fuel in fuel nozzle |
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| JP2013231406A (en) * | 2012-05-01 | 2013-11-14 | Ihi Corp | Fuel supply device of gas turbine engine |
| CN105370413A (en) * | 2014-08-25 | 2016-03-02 | 中航商用航空发动机有限责任公司 | Aircraft engine fuel oil metering system and control method thereof |
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| CN107063363A (en) * | 2017-06-12 | 2017-08-18 | 西安成立航空制造有限公司 | A kind of indirect acting type fuel-metering device and its metering method |
| CN206987966U (en) * | 2017-06-12 | 2018-02-09 | 西安成立航空制造有限公司 | A kind of direct acting type fuel-metering device |
| CN207248255U (en) * | 2017-06-12 | 2018-04-17 | 西安成立航空制造有限公司 | A kind of indirect acting type fuel-metering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB696452A (en) * | 1951-05-31 | 1953-09-02 | Hobson Ltd H M | Improvements in fuel supply systems for gas turbine engines |
| US3400535A (en) * | 1966-10-03 | 1968-09-10 | Ford Motor Co | Automotive gas turbine fuel control system |
| DE3511537A1 (en) * | 1985-03-29 | 1986-10-09 | Elco Oel- und Gasbrennerwerk AG, Vilters | Device for determining the oil consumption of an oil burner |
| US5513493A (en) * | 1985-07-12 | 1996-05-07 | Rolls-Royce Plc | Fuel control system |
| CN1104323A (en) * | 1994-04-15 | 1995-06-28 | 中国石化大庆石油化工总厂炼油厂 | High-temp. elliptic gear flow-meter |
| US5704767A (en) * | 1995-01-11 | 1998-01-06 | Micropump Corporation | Integral pump and flow meter device |
| JP2011163209A (en) * | 2010-02-09 | 2011-08-25 | Ihi Corp | Differential pressure control valve and fuel flow rate control device |
| JP2013231406A (en) * | 2012-05-01 | 2013-11-14 | Ihi Corp | Fuel supply device of gas turbine engine |
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