CN106640449A - Self-suction electric control low pressure fuel counter for internal combustion engine - Google Patents
Self-suction electric control low pressure fuel counter for internal combustion engine Download PDFInfo
- Publication number
- CN106640449A CN106640449A CN201611226172.6A CN201611226172A CN106640449A CN 106640449 A CN106640449 A CN 106640449A CN 201611226172 A CN201611226172 A CN 201611226172A CN 106640449 A CN106640449 A CN 106640449A
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- Prior art keywords
- fuel
- pressure fuel
- low
- pressure
- electronic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/0011—Constructional details; Manufacturing or assembly of elements of fuel systems; Materials therefor
- F02M37/0023—Valves in the fuel supply and return system
- F02M37/0029—Pressure regulator in the low pressure fuel system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M37/00—Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
- F02M37/04—Feeding by means of driven pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention relates to a self-suction electric control low pressure fuel counter for an internal combustion engine. The self-suction electric control low pressure fuel counter is provided with a counter shell (40), a pressure limiting valve (41), an electric control metering valve (42) and a low pressure fuel conveying pump (44). The electric control metering valve is controlled by an electronic control unit. Fuel sucked by the low pressure fuel conveying pump (44) from an oil tank of the internal combustion engine is controlled by the pressure limiting valve (41) to be supplied to a fuel high pressure generation device of the internal combustion engine through the electric control metering valve (42) in a fixed quantity and time mode. The electric control low pressure fuel counter is an independent device, the pressure limiting valve, the electric control metering valve and the low pressure fuel conveying pump are integrated on the counter shell, the counter can be installed at the corresponding position of the internal combustion engine or installed on a fuel high pressure generation device. According to the electric control low pressure fuel counter, the design of the fuel high pressure generation device is simplified to the maximum extent, and the good hydraulic stability is provided for a fuel injection device of the internal combustion engine.
Description
Technical field
The present invention relates to the component of internal combustion engine, more particularly relates to the self-priming electronic control low-pressure fuel metering of internal combustion engine
Device.
Background technology
In existing internal-combustion engine technology, low-pressure fuel is conveyed to the pattern of high-voltage generator, a kind of (such as single cylinder bavin
Oil machine) it is that the pumping function for leaning on high-voltage generator itself is suctioned out from fuel tank；It is a kind of (such as to configure machinery synthesis pump or automatically controlled
The multi-cylinder diesel engine of combination unit pump) employ the oil transfer pump of independent single conveying function, quantity delivered places one's entire reliance upon with turning
The hydraulic performance of speed change；It is also a kind of to realize meeting the pattern of pressure store using control low-pressure fuel quantity delivered, such as altogether
Rail technology Multi-Cylinder Diesel Engine, has still followed this conventional art route of oil transfer pump of the single conveying function for employing independent, by pressure limiting
Function and quantitative control function are arranged in high-voltage generator design, cause high-voltage generator complex structure, and manufacturability is poor,
Reliability more weak, hydraulic stable is poor.Especially it is difficult to individually seal low-pressure system and hydraulic performance detection.
The content of the invention
It is an object of the invention to provide a kind of self-priming electronic control low-pressure fuel gauge for internal combustion engine, it can subtract
Change the structure complexity of fuel high pressure generating means, and individually the electronic control low-pressure fuel gauge can be sealed and liquid
Force characteristic is detected.
Thus, the present invention can adopt but be not limited to following proposal.
A kind of self-priming electronic control low-pressure fuel gauge for internal combustion engine, the electronic control low-pressure fuel gauge has meter
Measuring device housing, pressure limiting valve, electric controlled metering valve and low pressure fuel transfer pump,
The electric controlled metering valve is controlled by electronic control unit, fuel tank of the low pressure fuel transfer pump from the internal combustion engine
The fuel of sucking-off electric controlled metering valve timing described in Jing under the control of the pressure limiting valve is dosed into the fuel of the internal combustion engine
High-voltage generator,
The electronic control low-pressure fuel gauge is to be integrated with the pressure limiting valve, the electric controlled metering in the meter housing
The self-contained unit of valve and the low pressure fuel transfer pump.
Preferably, the electronic control low-pressure fuel gauge can be installed on the relevant position of the internal combustion engine.
Preferably, the low pressure fuel transfer pump is electrodynamic type low pressure fuel transfer pump.
Preferably, it is arranged at the fuel output channel of the electric controlled metering valve, is arranged at the low pressure fuel transfer pump
Fuel inlet passage, the return flow line for being arranged at the pressure limiting valve can be installed to the internal combustion engine towards the meter housing
The opposition side of side extend, the fuel output channel docks by the road with the fuel access aperture of the internal combustion engine.
Preferably, the electronic control low-pressure fuel gauge can be installed on the fuel high pressure generating means.
Preferably, the low pressure fuel transfer pump is mechanical low pressure fuel transfer pump.
Preferably, the mechanical low pressure fuel transfer pump is driven with the drive shaft of the fuel high pressure generating means.
Preferably, the fuel inlet passage for being arranged at the low pressure fuel transfer pump is, the backflow for being arranged at the pressure limiting valve
Passage extends towards the opposition side of the side that can be installed to the fuel high pressure generating means of the meter housing.
Preferably, the electric controlled metering valve is controlled by the electronic control unit of the internal combustion engine.
Preferably, the electronic control low-pressure fuel gauge includes that the fuel master extended from the low pressure fuel transfer pump is led to
Road, the pressure limiting valve and the electric controlled metering valve are parallel to the fuel main channel.
Electronic control low-pressure fuel gauge of the invention be integrated with a housing (meter housing) pressure limiting valve,
The self-contained unit of electric controlled metering valve and low pressure fuel transfer pump, thus, it is mountable to the relevant position of internal combustion engine or is installed on
Fuel high pressure generating means.So, the design of fuel high pressure generating means is simplified to greatest extent, is improved fuel high pressure and is sent out
The manufacturability and reliability of generating apparatus, there is provided good hydraulic stable, and it is independent to electronic control low-pressure fuel gage to have ready conditions
Measuring device is sealed and hydraulic performance detection, it is possible to achieve differentiated control.
Description of the drawings
Multiple embodiments of the present invention are shown in the drawings, they are described in detail in the following description.
Fig. 1 is the self-priming electricity with electrodynamic type low pressure fuel transfer pump for single cylinder diesel according to first embodiment
The schematic diagram of control low-pressure fuel meter；
Fig. 2 is the self-priming electricity with electrodynamic type low pressure fuel transfer pump for single cylinder diesel according to first embodiment
The stereogram of control low-pressure fuel meter；
Fig. 3 is the self-priming electricity of the mechanical low pressure fuel transfer pump of the band for multi-cylinder diesel engine according to second embodiment
The schematic diagram of control low-pressure fuel meter；
Fig. 4 is the self-priming electricity of the mechanical low pressure fuel transfer pump of the band for multi-cylinder diesel engine according to second embodiment
The stereogram of control low-pressure fuel meter.
Specific embodiment
The preferred embodiments of the present invention are further detailed with reference to the accompanying drawings.It will be appreciated, however, that these are said
It is bright be only it is exemplary, be not used in restriction the scope of the present invention.
Fig. 1 examples go out the self-priming electronic control low-pressure fuel gauge for single cylinder diesel according to first embodiment.Should
Electronic control low-pressure fuel gauge includes meter housing 40.The electrodynamic type low pressure fuel transfer pump being integrated on meter housing 40
44 send diesel oil from after fuel inlet passage 21a boostings from the fuel tank (not shown) of internal combustion engine (otherwise referred to as " engine ")
Enter the fuel main channel 21 in meter housing 40.
Pressure limiting valve 41 and electric controlled metering valve 42, pressure limiting valve 41 and electric controlled metering valve have been arranged in parallel on fuel main channel 21
42 fuel access aperture 22,24 is led to respectively via the first fuel branch passage 211 and the second fuel branch passage 212 with fuel master
Road 21 is communicated.
Fuel access aperture 22 and relief hole 23 are provided with the valve casing of pressure limiting valve 41.Bullet is provided with the valve casing of pressure limiting valve 41
Spring 30 and the piston 31 pressed towards fuel access aperture 22 by spring 30.When the input pressure in fuel main channel 21 exceedes pressure limiting
During the pressure limiting pressure of the setting of valve 41, piston 31 is resisted the pressure of spring 30 in the presence of oil pressure and is moved to the left, pressure limiting valve 41
Relief hole 23 is opened, and diesel oil is back to the fuel tank of engine by return flow line 21e.
Fuel access aperture 24 and fuel output port 25 are provided with the valve casing of electric controlled metering valve 42.The valve of electric controlled metering valve 42
Push rod 421, piston 27 and spring 29 are provided with shell.Dip hatch 422 is provided with the skirt wall of piston 27.Spring 29 is to piston 27
Pressure so that dip hatch 422 staggers (not overlap) with fuel access aperture 24.According to the demand of real-time working condition, wear in diesel engine
Electronic control unit (not shown) modulation under force the push rod 421 for moving back and forth and piston 27 of electric controlled metering valve 42 to change
Fuel access aperture 24 and the size of the Chong Die aperture of dip hatch 422, make the diesel oil self-overlapped part Jing fuel output ports of restriction pressure
25 are supplied at regular time and quantity fuel high pressure generating means (not shown) by fuel output channel 21b.
Fig. 2 examples go out first embodiment for single cylinder diesel with the self-priming of electrodynamic type low pressure fuel transfer pump 44
The stereogram of electronic control low-pressure fuel gauge.The electronic control low-pressure fuel gauge can fasten installing hole by multiple (such as three)
46 relevant positions for being arranged on single cylinder diesel.Fuel inlet passage 21a and return flow line 21e are connected by pipeline with fuel tank；
Fuel output channel 21b is docked by the road with the fuel access aperture on diesel engine.
It is appreciated that fuel output channel 21b of electric controlled metering valve 42, is arranged at the combustion of electrodynamic type low pressure from the diagram of Fig. 2
The fuel inlet passage 21a of material conveying pump 44, the return flow line 21e of pressure limiting valve 41 prolong towards the same side of meter housing 40
Stretch, i.e. extend towards the opposition side of the side for being installed to diesel engine of meter housing 40.As such, it is possible to by meter shell
After body 40 is installed on diesel engine, each pipeline is reconnected.In addition, electric controlled metering valve 42 can have the profile of generally L-shaped, its
The connector 423 for being connected to electronic control unit is substantially vertical with the return flow line 21e of fuel inlet passage 21a, pressure limiting valve 41
Ground extends.
In addition, electrodynamic type low pressure fuel transfer pump 44 and electric controlled metering valve 42 can be parts independent of each other, Ke Yitong
Cross such as screw etc. and be installed to meter housing 40.
Fig. 3 examples go out the self-priming of the mechanical low pressure fuel transfer pump of the band for multi-cylinder diesel engine according to second embodiment
Formula electronic control low-pressure fuel gauge, Fig. 4 examples go out the self-priming electronic control low-pressure fuel gauge of second embodiment and are arranged on fuel
Stereogram on high-voltage generator.For marking identical reference with the same or analogous part of first embodiment, and
Omit corresponding description.
It is in place of second embodiment and the main difference of first embodiment：In a second embodiment, it is integrated in meter
Machinery (rotor) formula low pressure fuel transfer pump 44 on housing 40 is from the fuel tank of engine by diesel oil from fuel inlet passage 21a
The fuel main channel 21 in meter housing 40 is sent into after boosting；The self-priming electronic control low-pressure fuel gauge peace of second embodiment
It is mounted on fuel high pressure generating means, has borrowed the drive shaft 43 of fuel high pressure generating means to drive mechanical low-pressure fuel defeated
Pump 44, fuel output channel 21b is sent to process on the housing of fuel high pressure generating means.
Beneficial effects of the present invention are briefly described below.
Electronic control low-pressure fuel gauge of the invention, at least with 41, electric controlled metering valve 42 of a pressure limiting valve
And a low pressure fuel transfer pump 44.Electric controlled metering valve 42 is controlled by the electronic control unit of internal combustion engine, low pressure fuel transfer pump
44 fuel suctioned out from fuel tank Jing electric controlled meterings valves 42 under the control of pressure limiting valve 41 are supplied at regular time and quantity the fuel of internal combustion engine
High-voltage generator.The meter is that pressure limiting valve, electric controlled metering valve and low pressure fuel transfer pump are integrated with a housing
Self-contained unit, may be installed the relevant position of internal combustion engine or is installed on fuel high pressure generating means.Combustion is simplified to greatest extent
The design of material high-voltage generator, improves the manufacturability and reliability of fuel high pressure generating means, there is provided good fluid power
Stability, and low-pressure system (i.e. electronic control low-pressure fuel gauge) is sealed independence of having ready conditions and hydraulic performance is detected,
Differentiated control can be realized.
The low pressure fuel transfer pump of the application can be mechanical, and gear pump, impeller pump, vane pump etc. can be adopted various
Select.Low pressure fuel transfer pump can also be DYN dynamic, can adopt magnetoelectricity motor, piezoelectric motor etc..I.e. the application is to low pressure
The selectional restriction of fuel transfer pump is little, can select suitable low pressure fuel transfer pump according to actual condition.
It should be appreciated that " the electronic control low-pressure fuel gauge ", " low pressure fuel transfer pump " mentioned in the application, " fuel height
" low pressure " and " high pressure " in pressure generating apparatus " etc. has relativity.
Because the boosting of low pressure fuel transfer pump is conveyed, the diesel pressure in electronic control low-pressure fuel gauge remains above nature
Diesel pressure under state (that is, under atmospheric pressure).But, the diesel pressure in electronic control low-pressure fuel gauge is high less than fuel
Diesel pressure in pressure generating apparatus.
Those skilled in the art understand certainly, or at most can be appreciated that on the basis of the description of the present application is read above-mentioned
The implication of " low pressure " and " high pressure ".
The invention is not restricted to above-described embodiment, those skilled in the art under the teachings of the present invention, can be to above-mentioned enforcement
Example is variously modified and modification, without deviating from the scope of the present invention.One or several in same embodiment or different embodiments
Individual element or feature are likely to constitute new beneficial embodiment, i.e., different embodiments can be combined as.For example can adopt
Following modification.
(1) in the above-described embodiments, the electronic control unit worn by diesel engine controls the push rod 421 of electric controlled metering valve 42
Move back and forth with piston 27.However, the electric controlled metering valve 42 of the present invention itself can also include control unit, by the control unit
The push rod 421 and piston 27 of control electric controlled metering valve 42 is moved back and forth.The control unit can be logical with the other parts of diesel engine
Letter.
(2) in the above-described embodiments, pressure limiting valve 41 and electric controlled metering valve 42 are in parallel.However, the invention is not restricted to this, example
Such as, electric controlled metering valve 42 can be connecting with pressure limiting valve 41.For example, passage (second fuel branch of electric controlled metering valve 42 is led to
Passage 212) can be communicates directly to pressure limiting valve 41 the right side of relief hole 23 chamber, this remains able to will open into electric controlled metering valve
Diesel pressure in 42 passage is limited to the predetermined pressure limited by spring 30.
Claims (10)
1. a kind of self-priming electronic control low-pressure fuel gauge for internal combustion engine, the electronic control low-pressure fuel gauge has metering
Device housing (40), pressure limiting valve (41), electric controlled metering valve (42) and low pressure fuel transfer pump (44),
The electric controlled metering valve (42) is controlled by electronic control unit, and the low pressure fuel transfer pump (44) is from the internal combustion engine
The fuel that fuel tank is suctioned out electric controlled metering valve (42) described in Jing under the control of the pressure limiting valve (41) is supplied at regular time and quantity described
The fuel high pressure generating means of internal combustion engine,
The electronic control low-pressure fuel gauge is to be integrated with the pressure limiting valve (41), described automatically controlled in the meter housing (40)
The self-contained unit of metering valve (42) and the low pressure fuel transfer pump (44).
2. electronic control low-pressure fuel gauge according to claim 1, it is characterised in that the electronic control low-pressure fuel gauge
The relevant position of the internal combustion engine can be installed on.
3. electronic control low-pressure fuel gauge according to claim 2, it is characterised in that the low pressure fuel transfer pump (44)
For electrodynamic type low pressure fuel transfer pump.
4. electronic control low-pressure fuel gauge according to claim 2, it is characterised in that be arranged at the electric controlled metering valve
(42) fuel output channel (21b), the fuel inlet passage (21a) for being arranged at the low pressure fuel transfer pump (44), arrange
The one of the internal combustion engine can be installed to towards the meter housing (40) in the return flow line (21e) of the pressure limiting valve (41)
The opposition side of side extends, and the fuel output channel (21b) is docked by the road with the fuel access aperture of the internal combustion engine.
5. electronic control low-pressure fuel gauge according to claim 1, it is characterised in that the electronic control low-pressure fuel gauge
The fuel high pressure generating means can be installed on.
6. electronic control low-pressure fuel gauge according to claim 5, it is characterised in that the low pressure fuel transfer pump (44)
For mechanical low pressure fuel transfer pump.
7. electronic control low-pressure fuel gauge according to claim 6, it is characterised in that with the fuel high pressure generating means
Drive shaft (43) driving the mechanical low pressure fuel transfer pump.
8. electronic control low-pressure fuel gauge according to claim 5, it is characterised in that be arranged at the low-pressure fuel conveying
The fuel inlet passage (21a) of pump (44), the return flow line (21e) of the pressure limiting valve (41) is arranged at towards the meter shell
The opposition side of the side that can be installed to the fuel high pressure generating means of body (40) extends.
9. electronic control low-pressure fuel gauge according to any one of claim 1 to 8, it is characterised in that the automatically controlled meter
Amount valve (42) is controlled by the electronic control unit of the internal combustion engine.
10. electronic control low-pressure fuel gauge according to any one of claim 1 to 8, it is characterised in that described automatically controlled low
Pressurized fuel meter includes the fuel main channel (21) extended from the low pressure fuel transfer pump (44), the pressure limiting valve (41)
The fuel main channel (21) is parallel to the electric controlled metering valve (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226172.6A CN106640449B (en) | 2016-12-27 | 2016-12-27 | For the self-priming electronic control low-pressure fuel gauge of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611226172.6A CN106640449B (en) | 2016-12-27 | 2016-12-27 | For the self-priming electronic control low-pressure fuel gauge of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640449A true CN106640449A (en) | 2017-05-10 |
| CN106640449B CN106640449B (en) | 2018-05-29 |
Family
ID=58832408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611226172.6A Active CN106640449B (en) | 2016-12-27 | 2016-12-27 | For the self-priming electronic control low-pressure fuel gauge of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640449B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11268482B2 (en) | 2020-04-21 | 2022-03-08 | Caterpillar Inc. | Fuel system having pumping and filtration fuel module and flow housing for same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227501A (en) * | 1978-01-07 | 1980-10-14 | Robert Bosch Gmbh | Fuel injection apparatus |
| US20040016830A1 (en) * | 2002-04-23 | 2004-01-29 | Robert Bosch Gmbh | Fuel injection system for an internal combustion engine |
| CN1773094A (en) * | 2004-11-08 | 2006-05-17 | 株式会社电装 | Fuel injection apparatus having common rail and subject device control system |
| CN102422009A (en) * | 2009-05-13 | 2012-04-18 | 罗伯特·博世有限公司 | Method for filling a fuel system for motor vehicles |
| CN103201496A (en) * | 2010-11-08 | 2013-07-10 | 罗伯特·博世有限公司 | Fuel injection system of an internal combustion engine |
| CN205117576U (en) * | 2015-11-13 | 2016-03-30 | 赵鹏 | Car fuel high -pressure pump |
-
2016
- 2016-12-27 CN CN201611226172.6A patent/CN106640449B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227501A (en) * | 1978-01-07 | 1980-10-14 | Robert Bosch Gmbh | Fuel injection apparatus |
| US20040016830A1 (en) * | 2002-04-23 | 2004-01-29 | Robert Bosch Gmbh | Fuel injection system for an internal combustion engine |
| CN1773094A (en) * | 2004-11-08 | 2006-05-17 | 株式会社电装 | Fuel injection apparatus having common rail and subject device control system |
| CN102422009A (en) * | 2009-05-13 | 2012-04-18 | 罗伯特·博世有限公司 | Method for filling a fuel system for motor vehicles |
| CN103201496A (en) * | 2010-11-08 | 2013-07-10 | 罗伯特·博世有限公司 | Fuel injection system of an internal combustion engine |
| CN205117576U (en) * | 2015-11-13 | 2016-03-30 | 赵鹏 | Car fuel high -pressure pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11268482B2 (en) | 2020-04-21 | 2022-03-08 | Caterpillar Inc. | Fuel system having pumping and filtration fuel module and flow housing for same |
| US11680548B2 (en) | 2020-04-21 | 2023-06-20 | Caterpillar Inc. | Fuel system having pumping and filtration fuel module and flow housing for same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640449B (en) | 2018-05-29 |
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