CN109488506A - Marine V Type engine fuel oil system and Marine V h type engine h - Google Patents
Marine V Type engine fuel oil system and Marine V h type engine h Download PDFInfo
- Publication number
- CN109488506A CN109488506A CN201811116019.7A CN201811116019A CN109488506A CN 109488506 A CN109488506 A CN 109488506A CN 201811116019 A CN201811116019 A CN 201811116019A CN 109488506 A CN109488506 A CN 109488506A
- Authority
- CN
- China
- Prior art keywords
- type engine
- marine
- distribution block
- pressure
- oil
- 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.)
- Pending
Links
Classifications
-
- 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
- F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
- F02M63/0012—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
-
- 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
- F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
- F02M55/02—Conduits between injection pumps and injectors, e.g. conduits between pump and common-rail or conduits between common-rail and injectors
- F02M55/025—Common rails
-
- 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
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B2075/1804—Number of cylinders
- F02B2075/1848—Number of cylinders twelve
Abstract
The invention belongs to engine fuel oil system technical fields, and in particular to a kind of Marine V Type engine fuel oil system and the Marine V h type engine h equipped with the Marine V Type engine fuel oil system.Marine V Type engine fuel oil system of the present invention, including at least one the first distribution block, the oil inlet end connection of the first distribution block is set there are two high-pressure oil pump, the oil outlet of the first distribution block is connected by common rail pipe with the fuel injector of V-type engine two sides, and the oil inlet end of the first distribution block is additionally provided with pressure limiting valve and is passed into the check valve of the first distribution block by the high-pressure oil pump for fuel oil.By using Marine V Type engine fuel oil system of the present invention, it can still be able to guarantee the stabilization of rail pressure, improve the reliability and stability of engine in the case where a high-pressure oil pump of fuel system damages, meet ship rule and require.
Description
Technical field
The invention belongs to engine fuel oil system technical fields, and in particular to a kind of Marine V Type engine fuel oil system and
Marine V h type engine h equipped with the Marine V Type engine fuel oil system.
Background technique
Current marine engine is integrated two high-pressure oil pumps by distribution block.A high-pressure oil pump wherein
In the case where damage, it is ensured that another high-pressure oil pump can reach 70% requirement of Maximum Power Output.When two high pressures
In oil pump a high-pressure oil pump damage when, even if there are a possibility that be another high-pressure oil pump with maximum supply capability fuel feeding
Also rail pressure can not be established, cannot achieve the requirement of power.Because after two high-pressure oil pumps are attached by distribution block, if damage
When the delivery valve of oil pump afterwards is damaged, in the injection pump that high pressure oil will flow backward damage at the delivery valve of damage,
Lead to not the reliability requirement for realizing engine.And delivery valve breaks down, the probability to fail on the market is relatively high, existing
Fuel system structure there are such risks.
Summary of the invention
The purpose of the present invention is to solve at least one above-mentioned problem, which is by the following technical programs
It realizes.
The invention proposes a kind of Marine V Type engine fuel oil systems, described including at least one the first distribution block
The oil inlet end connection of first distribution block is set there are two high-pressure oil pump, and the oil outlet of the first distribution block passes through common rail pipe and V-type
The fuel injector of engine two sides is connected, and the oil inlet end of the first distribution block is additionally provided with pressure limiting valve and for enabling fuel oil
The check valve of the first distribution block is unidirectionally passed by the high-pressure oil pump.
Further, Marine V Type engine fuel oil system as described above, including two first distribution blocks and one
Second distribution block, wherein each it is described first distribution block oil inlet end be connected to set there are two the high-pressure oil pump, two institutes
The oil outlet for stating one of them the first distribution block in the first distribution block passes through the first common rail pipe in the common rail pipe
One end is connected with the fuel injector of the V-type engine side, the another one institute in two the first distribution blocks
The oil outlet for stating the first distribution block passes through one end and the V-type engine other side of the second common rail pipe in the common rail pipe
The fuel injector is connected, and the other end of the other end of first common rail pipe and second common rail pipe passes through described second
Distribution block is connected.
Further, Marine V Type engine fuel oil system as described above, the pressure limiting valve are electric-controlled type pressure limiting valve.
Further, Marine V Type engine fuel oil system as described above, the check valve and the pressure limiting valve are integrated in
On the first distribution block.
Further, Marine V Type engine fuel oil system as described above, the number of the check valve and the high-pressure oil pump
Amount is consistent.
Further, Marine V Type engine fuel oil system as described above, it is described first distribution block in be additionally provided with for examining
Survey the pressure sensor of the fuel pressure in the first distribution block.
Further, Marine V Type engine fuel oil system as described above, the V-type engine start for twelve cylinder V-type
Machine, the two sides of the V-type engine are equipped with six fuel injectors being connected by the common rail pipe.
The invention also provides a kind of Marine V h type engine h, the Marine V h type engine h is equipped with Marine V described above
H type engine h fuel system.
It, can be in a high pressure oil of fuel system by using Marine V Type engine fuel oil system of the present invention
It in the case where pump damage, still is able to guarantee the stabilization of rail pressure, improves the reliability and stability of engine, meet ship rule and require.
It, can be by electric-controlled type pressure limiting valve to system by using Marine V Type engine fuel oil system of the present invention
Rapid pressure release is carried out, prevents from causing pressure limiting valve to be opened due to hypertonia, complete machine is caused to enter limp-home mode.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the overall structure diagram of another embodiment of the present invention.
Respectively label is expressed as follows in attached drawing:
10: the first distribution blocks；
20: high-pressure oil pump；
30: common rail pipe, 31: the first common rail pipes, 32: the second common rail pipes；
40: fuel injector；
50: check valve；
60: pressure limiting valve；
70: the second distribution blocks.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
Fig. 1 is the overall structure diagram of the embodiment of the present invention.As shown in Figure 1, the Marine V h type engine h in the present embodiment
Fuel system, including one first distribution block 10, the oil inlet end connection of the first distribution block 10 is set there are two high-pressure oil pump 20,
The oil outlet of first distribution block 10 is connected by common rail pipe 30 with the fuel injector 40 of V-type engine two sides.First distribution block 10
Oil inlet end be additionally provided with pressure limiting valve 60 and be passed into the check valve 50 of the first distribution block 10 by high-pressure oil pump for fuel oil.
Engine in the present embodiment is twelve cylinder V-type engine, using wire-jumper type fuel system structure, V-type engine
Two sides be equipped with six fuel injectors 40 being connected by common rail pipe 30.Two high-pressure oil pumps 20 are jointly to the first distribution block 10
It is inside passed through fuel oil, and is assigned in the fuel injector 40 of engine two sides by the first distribution block 10.Wherein, check valve 50 and pressure limiting valve
60 are integrated on the first distribution block 10.Check valve 50 there are two setting, two high pressure oils are integrated on the oil inlet end of first distribution block 10
Pump 20 is passed through fuel oil into the first distribution block 10 by two check valves 50 respectively.Check valve 50 is arranged to be merely able to allow fuel oil
It is passed into the first distribution block 10 from high-pressure oil pump 20.
It can solve in the case where the damage of the delivery valve of a high-pressure oil pump 20 by the setting of check valve 50, prevent height
Pressure oil is flowed backward in the high-pressure oil pump 20 of damage, and the further damage of high-pressure oil pump 20 is caused, the effective stabilization for guaranteeing rail pressure,
Fuel system reliability of operation and stability are improved, the requirement of ship rule is met.
Further, in this embodiment pressure limiting valve 60 be electric-controlled type pressure limiting valve.It is additionally provided with and is used in first distribution block 10
The pressure sensor of fuel pressure in detection the first distribution block 10.
By the way that electric-controlled type pressure limiting valve is arranged in fuel system, when pressure sensor detects the fuel oil in the first distribution block
When system pressure is excessively high, quick pressure releasing can be carried out to fuel system by opening electric-controlled type pressure limiting valve.
By the setting of electric-controlled type pressure limiting valve, rapid pressure release can be carried out to system by electric-controlled type pressure limiting valve, prevent by
Cause pressure limiting valve to be opened in hypertonia, complete machine is caused to enter limp-home mode.
Fig. 2 is the overall structure diagram of another embodiment of the present invention.As shown in Fig. 2, the Marine V Type in the present embodiment is sent out
Motivation fuel system, including two first distribution blocks 10 and one second distribution block 70, wherein each the first distribution block 10
Oil inlet end, which is connected to, to be set there are two high-pressure oil pump 20, one of them the first distribution block 10 in two first distribution blocks 10 it is fuel-displaced
End is connected by one end of the first common rail pipe 31 in common rail pipe 30 with the fuel injector 40 of V-type engine side, and two first
One end that the oil outlet of the distribution block 10 of another one first distributed in block 10 passes through the second common rail pipe 32 in common rail pipe 30
It is connected with the fuel injector 40 of the V-type engine other side, and the other end of the first common rail pipe 31 and the second common rail pipe 32 is another
End is connected by the second distribution block 70.
Wherein, the first distribution block 10 is for integrating high-pressure oil pump 20, and the second distribution block 70 is for realizing engine
The balance of two sides rail pressure realizes the uniformity of each cylinder oil spout, keeps the stable operation of fuel system.
The invention also provides a kind of Marine V h type engine h, which is equipped with above-mentioned Marine V Type and starts
Machine fuel system.
By using Marine V Type engine fuel oil system of the present invention and it is equipped with the Marine V Type engine fuel system
The Marine V h type engine h of system can still be able to guarantee the steady of rail pressure in the case where a high-pressure oil pump of fuel system damages
It is fixed, the reliability and stability of engine are improved, meets ship rule and requires.
By using Marine V Type engine fuel oil system of the present invention and it is equipped with the Marine V Type engine fuel system
The Marine V h type engine h of system can be carried out rapid pressure release to system by electric-controlled type pressure limiting valve, prevent from being caused due to hypertonia
Pressure limiting valve is opened, and complete machine is caused to enter limp-home mode.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (8)
1. a kind of Marine V Type engine fuel oil system, which is characterized in that including at least one first distribution block, described first point
Oil inlet end connection with block is set there are two high-pressure oil pump, and the oil outlet of the first distribution block passes through common rail pipe and V-type engine
The fuel injector of two sides is connected, and the oil inlet end of the first distribution block is additionally provided with pressure limiting valve and for enabling fuel oil by described
High-pressure oil pump is unidirectionally passed into the check valve of the first distribution block.
2. Marine V Type engine fuel oil system according to claim 1, which is characterized in that including two described first point
With block and one second distribution block, wherein each it is described first distribution block oil inlet end be connected to set there are two the high pressure
Oil pump, oil outlets of one of them the first distribution block in two the first distribution blocks pass through the in the common rail pipe
One end of one common rail pipe is connected with the fuel injector of the V-type engine side, two it is described first distribution blocks in its
In another it is described first distribution block oil outlet started by one end of the second common rail pipe in the common rail pipe with the V-type
The fuel injector of the machine other side is connected, and the other end of the other end of first common rail pipe and second common rail pipe is logical
The second distribution block is crossed to be connected.
3. Marine V Type engine fuel oil system according to claim 1 or 2, which is characterized in that the pressure limiting valve is automatically controlled
Formula pressure limiting valve.
4. Marine V Type engine fuel oil system according to claim 1 or 2, which is characterized in that the check valve and described
Pressure limiting valve is integrated on the first distribution block.
5. Marine V Type engine fuel oil system according to claim 1 or 2, which is characterized in that the check valve and described
The quantity of high-pressure oil pump is consistent.
6. Marine V Type engine fuel oil system according to claim 1 or 2, which is characterized in that in the first distribution block
It is additionally provided with the pressure sensor for detecting the fuel pressure in the first distribution block.
7. Marine V Type engine fuel oil system according to claim 1 or 2, which is characterized in that the V-type engine is
Twelve cylinder V-type engine, the two sides of the V-type engine are equipped with six oil spouts being connected by the common rail pipe
Device.
8. a kind of Marine V h type engine h, which is characterized in that the Marine V h type engine h is equipped with any in the claims 1-7
Marine V Type engine fuel oil system described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116019.7A CN109488506A (en) | 2018-09-25 | 2018-09-25 | Marine V Type engine fuel oil system and Marine V h type engine h |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116019.7A CN109488506A (en) | 2018-09-25 | 2018-09-25 | Marine V Type engine fuel oil system and Marine V h type engine h |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488506A true CN109488506A (en) | 2019-03-19 |
Family
ID=65689875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811116019.7A Pending CN109488506A (en) | 2018-09-25 | 2018-09-25 | Marine V Type engine fuel oil system and Marine V h type engine h |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488506A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360657A (en) * | 2020-11-16 | 2021-02-12 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Distribution block for high-pressure common rail system and control method thereof |
| CN114165377A (en) * | 2021-12-17 | 2022-03-11 | 中国船舶重工集团公司第七一一研究所 | Common rail system and pressure limiting valve |
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| EP1188926A2 (en) * | 2000-09-19 | 2002-03-20 | Siemens Aktiengesellschaft | Common rail high pressure pump |
| CN102619665A (en) * | 2012-03-09 | 2012-08-01 | 无锡威孚高科技集团股份有限公司 | Electronic control pressure accumulation distribution common rail device |
| CN202690281U (en) * | 2012-06-27 | 2013-01-23 | 无锡开普动力有限公司 | Electric-control high-pressure common-rail fuel injection system for V-shaped diesel engine |
| CN203822477U (en) * | 2014-03-19 | 2014-09-10 | 潍柴动力股份有限公司 | Device for controlling multi-cylinder engine by master and slave ECUs (electronic control unit) |
| CN105927440A (en) * | 2016-05-26 | 2016-09-07 | 潍柴动力股份有限公司 | Diesel engine and high pressure common rail fuel injection system thereof |
| CN107366597A (en) * | 2017-09-15 | 2017-11-21 | 河南柴油机重工有限责任公司 | A kind of layout pattern of electronic control system in marine high-speed high-power diesel engine |
| CN108266294A (en) * | 2017-12-27 | 2018-07-10 | 潍柴动力股份有限公司 | Engine fuel oil system and engine |
-
2018
- 2018-09-25 CN CN201811116019.7A patent/CN109488506A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1188926A2 (en) * | 2000-09-19 | 2002-03-20 | Siemens Aktiengesellschaft | Common rail high pressure pump |
| CN102619665A (en) * | 2012-03-09 | 2012-08-01 | 无锡威孚高科技集团股份有限公司 | Electronic control pressure accumulation distribution common rail device |
| CN202690281U (en) * | 2012-06-27 | 2013-01-23 | 无锡开普动力有限公司 | Electric-control high-pressure common-rail fuel injection system for V-shaped diesel engine |
| CN203822477U (en) * | 2014-03-19 | 2014-09-10 | 潍柴动力股份有限公司 | Device for controlling multi-cylinder engine by master and slave ECUs (electronic control unit) |
| CN105927440A (en) * | 2016-05-26 | 2016-09-07 | 潍柴动力股份有限公司 | Diesel engine and high pressure common rail fuel injection system thereof |
| CN107366597A (en) * | 2017-09-15 | 2017-11-21 | 河南柴油机重工有限责任公司 | A kind of layout pattern of electronic control system in marine high-speed high-power diesel engine |
| CN108266294A (en) * | 2017-12-27 | 2018-07-10 | 潍柴动力股份有限公司 | Engine fuel oil system and engine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112360657A (en) * | 2020-11-16 | 2021-02-12 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Distribution block for high-pressure common rail system and control method thereof |
| CN114165377A (en) * | 2021-12-17 | 2022-03-11 | 中国船舶重工集团公司第七一一研究所 | Common rail system and pressure limiting valve |
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| PB01 | Publication | ||
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Application publication date: 20190319 |