CN105240161B - Liquefied natural gas is used for the device and implementation method of internal combustion engine - Google Patents
Liquefied natural gas is used for the device and implementation method of internal combustion engine Download PDFInfo
- Publication number
- CN105240161B CN105240161B CN201510727788.0A CN201510727788A CN105240161B CN 105240161 B CN105240161 B CN 105240161B CN 201510727788 A CN201510727788 A CN 201510727788A CN 105240161 B CN105240161 B CN 105240161B
- Authority
- CN
- China
- Prior art keywords
- natural gas
- liquefied natural
- internal combustion
- combustion engine
- liquid pump
- 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.)
- Active
Links
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention discloses the device and implementation method that a kind of liquefied natural gas is used for internal combustion engine, it includes LNG tank, high-voltage electricity liquid pump, electricity connects gross pressure table, relay switch and check-valves, the LNG tank is connected with the high-voltage electricity liquid pump, the high-voltage electricity liquid pump is connected with the check-valves, the check-valves connects injection pump again, electricity is connected on circuit between the check-valves and the injection pump and connects gross pressure table, the high-voltage electricity liquid pump and electricity connect gross pressure table and are connected respectively with power supply, the relay switch is set between power supply and the high-voltage electricity liquid pump, relay switch is used to control high-voltage electricity liquid pump.Liquefied natural gas is sprayed into engine by the present invention in the state of high pressure, low temperature and liquid, to improve the coefficient of charge of engine so that the powerful value of mixing of unit volume meets or exceeds gasoline, the powerful value of the mixing of diesel oil, so as to improve engine power.
Description
Technical field
The present invention relates to the utilization technical field of liquefied natural gas, and in particular to a kind of liquefied natural gas is fired as internal combustion engine
The method and apparatus of material.
Background technology
Natural gas is a kind of excellent automotive fuel, has the higher thermal efficiency, and cold-starting and low temperature operating
It is functional, CO discharge capacitys are few, and the discharge of solia particle is almost nil.Natural gas as a kind of low density gas, although
Some cities still remain the shortcomings that tank weights are big, and distance travelled is few by the use of compressed natural gas as automobile-used.Natural gas-
Liquefiable is liquid at 162 degrees Celsius, so that volume reduces 600 times, density also accordingly increases, but when specifically used be from
Gaseous state sucks, and makes the reduction of engine coefficient of charge, and compared with liquid fuel (such as gasoline), the mixing imposing manner value of unit volume is low,
Power drop nearly 10%.
The content of the invention
The present invention overcomes the deficiencies in the prior art, there is provided a kind of liquefied natural gas is used for device and the realization side of internal combustion engine
Method so that liquefied natural gas sprays into engine in the state of high pressure, low temperature and liquid, so as to improve engine efficiency.
In view of the above problem of the prior art, disclosed one side, the present invention use following technology according to the present invention
Scheme：
A kind of liquefied natural gas is used for the device of internal combustion engine, it includes LNG tank, high-voltage electricity liquid pump, electricity and connects always
Pressure gauge, relay switch and check-valves, the LNG tank are connected with the high-voltage electricity liquid pump, and the high pressure is electro-hydraulic
Pump is connected with the check-valves, and the check-valves connects injection pump again, connects on the circuit between the check-valves and the injection pump
Connect electricity and connect gross pressure table, the high-voltage electricity liquid pump and electricity connect gross pressure table and be connected respectively with power supply, and the relay switch is set
Between power supply and the high-voltage electricity liquid pump, relay switch is used to control high-voltage electricity liquid pump.
In order to which the present invention is better achieved, further technical solution is：
An embodiment according to the present invention, sets fuel dispensing tube, institute between the check-valves and the injection pump
State fuel dispensing tube and connect gross pressure table with the electricity and be connected.
A kind of liquefied natural gas is used for the implementation method of the device of internal combustion engine, it includes：
Liquefied natural gas in LNG tank is sent into internal combustion engine in the case of liquid by high-voltage electricity liquid pump, leads to
Cross relay switch and electricity connects the liquefied natural gas pressure of gross pressure table control input internal combustion engine.
Another according to the present invention embodiment, the feelings of liquefied natural gas in the LNG tank in liquid
After inputting fuel dispensing tube by high-voltage electricity liquid pump under condition, then input internal combustion engine.
The present invention can also be：
Another embodiment according to the present invention, the pressure of the high-voltage electricity liquid pump output are higher than the gas of liquefied natural gas
Change critical pressure.
Compared with prior art, one of beneficial effects of the present invention are：
The present invention a kind of liquefied natural gas be used for internal combustion engine device and implementation method, by liquefied natural gas high pressure,
Engine is sprayed into the state of low temperature and liquid, to improve the coefficient of charge of engine so that the mixing imposing manner value of unit volume
Gasoline, the powerful value of the mixing of diesel oil are met or exceeded, so as to improve engine power, and controls and is inhaled in a low temperature of a certain range
Enter engine, can effectively control the early combustion of natural gas.
Brief description of the drawings
, below will be to embodiment for clearer explanation present specification embodiment or technical solution of the prior art
Or attached drawing is briefly described needed in the description of the prior art, it should be apparent that, drawings in the following description are only
It is the reference to some embodiments in present specification, for those skilled in the art, what is do not made the creative labor
In the case of, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 shows the liquefied natural gas fueller structural representation according to an embodiment of the invention for diesel engine
Figure.
Fig. 2 shows that the liquefied natural gas fueller structure in accordance with another embodiment of the present invention for gasoline engine is shown
It is intended to.
Wherein, it is entitled corresponding to the reference numeral in attached drawing：
1- LNG tanks, 2- high-voltage electricity liquid pumps, 3- fuel dispensing tubes, 4- electricity connect gross pressure table, 5- relays
Device switchs, 6- check-valves.
Embodiment
The present invention is described in further detail with reference to embodiment, but the implementation of the present invention is not limited to this.
As shown in Figure 1, a kind of liquefied natural gas is used for the device of internal combustion engine, it includes LNG tank 1, high-voltage electricity
Liquid pump 2, electricity connect gross pressure table 4, relay switch 5 and check-valves 6, the LNG tank 1 and the high-voltage electricity liquid pump 2
Connection, the high-voltage electricity liquid pump 2 is connected with the check-valves 6, and the check-valves 6 connects injection pump again, the check-valves 6 with it is described
Electricity is connected on circuit between injection pump and connects gross pressure table 4, the high-voltage electricity liquid pump 2 and electricity connect gross pressure table 4 respectively with power supply
Connection, the relay switch 5 are set between power supply and the high-voltage electricity liquid pump 2, and relay switch 5 is used to control high pressure electro-hydraulic
Pump 2.
A kind of liquefied natural gas is used for the implementation method of the device of internal combustion engine, by the liquefaction day in LNG tank 1
Right gas is sent into internal combustion engine in the case of liquid by high-voltage electricity liquid pump 2, connects gross pressure table 4 by relay switch 5 and electricity and controls
The liquefied natural gas pressure of system input internal combustion engine.The pressure that high-voltage electricity liquid pump 2 exports is higher than the gasification critical pressure of liquefied natural gas
Power (>=60MPa).
As shown in Fig. 2, fuel dispensing tube 3 is also provided between check-valves 6 and the injection pump, the fuel dispensing tube 3
Gross pressure table 4 is connect with the electricity to be connected.
Liquefied natural gas in the LNG tank 1 is inputted in the case of liquid by high-voltage electricity liquid pump 2 to be fired
After oil pipe arrangement 3, then input internal combustion engine.
Liquefied natural gas fueller of the present invention so that liquefied natural gas sprays into hair in the state of high pressure, low temperature, liquid
Motivation, to improve the coefficient of charge of engine so that the mixed gas of unit volume powerful value meets or exceeds gasoline, diesel oil
Mixing imposing manner value, so that engine improves power, and controls and sucks engine under certain low temperature, can effectively control using day
The early combustion of right gas.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, identical similar portion cross-reference between each embodiment.
" one embodiment " for being spoken of in the present specification, " another embodiment ", " embodiment ", etc., refer to tying
Specific features, structure or the feature for closing embodiment description are included at least one embodiment of the application generality description
In.It is not necessarily to refer to same embodiment that statement of the same race, which occur, in multiple places in the description.Appoint furthermore, it is understood that combining
When one embodiment describes a specific features, structure or feature, what is advocated is this to realize with reference to other embodiment
Feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can be to master in the range of disclosure and claim
The building block and/or layout for inscribing composite configuration carry out a variety of variations and modifications.Except what is carried out to building block and/or layout
Outside variations and modifications, to those skilled in the art, other purposes also will be apparent.
Claims (5)
1. a kind of liquefied natural gas is used for the device of internal combustion engine, it is characterised in that it includes LNG tank (1), high-voltage electricity
Liquid pump (2), electricity connect gross pressure table (4), relay switch (5) and check-valves (6), the LNG tank (1) with it is described
High-voltage electricity liquid pump (2) connects, and the high-voltage electricity liquid pump (2) is connected with the check-valves (6), and the check-valves (6) connects oil spout again
Pump, being connected electricity on the circuit between the check-valves (6) and the injection pump connects gross pressure table (4), the high-voltage electricity liquid pump (2)
Gross pressure table (4) is connect with electricity to be connected with power supply respectively, the relay switch (5) sets power supply and the high-voltage electricity liquid pump (2)
Between, relay switch (5) is used to control high-voltage electricity liquid pump (2)；For by liquefied natural gas high pressure, low temperature and liquid shape
Engine is sprayed under state, to improve the coefficient of charge of engine.
2. liquefied natural gas according to claim 1 be used for internal combustion engine device, it is characterised in that the check-valves (6) with
Fuel dispensing tube (3) is set between the injection pump, and the fuel dispensing tube (3) connects gross pressure table (4) with the electricity and is connected.
3. a kind of liquefied natural gas for the device that liquefied natural gas as claimed in claim 1 is used for internal combustion engine is used for the reality of internal combustion engine
Existing method, it is characterised in that it includes：
Liquefied natural gas in LNG tank (1) is sent into internal combustion engine in the case of liquid by high-voltage electricity liquid pump (2),
The liquefied natural gas pressure of gross pressure table (4) control input internal combustion engine is connect by relay switch (5) and electricity；For the day that will liquefy
Right gas sprays into engine in the state of high pressure, low temperature and liquid, to improve the coefficient of charge of engine.
4. liquefied natural gas according to claim 3 is used for the implementation method of internal combustion engine, it is characterised in that the liquefaction day
After liquefied natural gas in right gas storage tank (1) inputs fuel dispensing tube (3) in the case of the liquid by high-voltage electricity liquid pump (2),
Internal combustion engine is inputted again.
5. the liquefied natural gas according to claim 3 or 4 is used for the implementation method of internal combustion engine, it is characterised in that the high pressure
The pressure of electro-hydraulic pump (2) output is higher than the gasification critical pressure of liquefied natural gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727788.0A CN105240161B (en) | 2015-10-30 | 2015-10-30 | Liquefied natural gas is used for the device and implementation method of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510727788.0A CN105240161B (en) | 2015-10-30 | 2015-10-30 | Liquefied natural gas is used for the device and implementation method of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240161A CN105240161A (en) | 2016-01-13 |
| CN105240161B true CN105240161B (en) | 2018-04-17 |
Family
ID=55037941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510727788.0A Active CN105240161B (en) | 2015-10-30 | 2015-10-30 | Liquefied natural gas is used for the device and implementation method of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240161B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742785A (en) * | 2014-01-23 | 2014-04-23 | 无锡百纳容器有限公司 | Method for regulating pressure of vehicle liquefied natural gas bottle |
| CN103987944A (en) * | 2011-12-16 | 2014-08-13 | 罗伯特·博世有限公司 | FUEL SYSTEM FOR INTERNAL COMBUSTION ENGINE capable of being operated with AT LEAST TWO FUEL TYPES |
| CN104456075A (en) * | 2014-12-02 | 2015-03-25 | 上海雷尼威尔技术有限公司 | LNG (Liquefied Natural Gas) cylinder control system for vehicle |
| CN205101139U (en) * | 2015-10-30 | 2016-03-23 | 杨文清 | Liquefied natural gas is used for device of internal -combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001349256A (en) * | 2000-06-06 | 2001-12-21 | Nippon Soken Inc | Fuel supply system of internal combustion engine |
-
2015
- 2015-10-30 CN CN201510727788.0A patent/CN105240161B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987944A (en) * | 2011-12-16 | 2014-08-13 | 罗伯特·博世有限公司 | FUEL SYSTEM FOR INTERNAL COMBUSTION ENGINE capable of being operated with AT LEAST TWO FUEL TYPES |
| CN103742785A (en) * | 2014-01-23 | 2014-04-23 | 无锡百纳容器有限公司 | Method for regulating pressure of vehicle liquefied natural gas bottle |
| CN104456075A (en) * | 2014-12-02 | 2015-03-25 | 上海雷尼威尔技术有限公司 | LNG (Liquefied Natural Gas) cylinder control system for vehicle |
| CN205101139U (en) * | 2015-10-30 | 2016-03-23 | 杨文清 | Liquefied natural gas is used for device of internal -combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105240161A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103672394B (en) | A kind of without pump LNG refueling system and LNG Liquefied natural gas processing method | |
| CN204548515U (en) | A kind of aircraft zero minusg fuel feeding pressure charging system | |
| CN103836331A (en) | Vehicle-mounted gas cylinder group trailer type fueling station | |
| CN108679438A (en) | A kind of liquefied natural gas gas-liquid shared system | |
| CN105240161B (en) | Liquefied natural gas is used for the device and implementation method of internal combustion engine | |
| CN204083795U (en) | Liquid residual air reclaiming system more than a kind of natural gas tank car | |
| CN202791322U (en) | LNG (liquefied natural gas) gasification station | |
| CN202580622U (en) | Movable skid-mounted oil field associated gas pressure regulation device | |
| CN205101139U (en) | Liquefied natural gas is used for device of internal -combustion engine | |
| CN105318181A (en) | Movable liquefied natural gas (LNG) pump-free filling device | |
| CN204268064U (en) | A kind of aerating mixing dual-purpose machine that refuels | |
| CN201810295U (en) | Skid-mounted CO2 pumping device | |
| CN204164652U (en) | A kind of LCNG gas station auxiliary gas feeder and the gas station comprising it | |
| CN202914140U (en) | Heating device for aerodynamic engine | |
| CN202868303U (en) | Storage and gasification engineering output system of liquefied natural gas (LNG) accepting station | |
| CN213452859U (en) | Novel compressed hydrogen gas filling machine for automobile | |
| CN203441638U (en) | Natural-gas engine gas-supply system | |
| CN203081614U (en) | Gas supply device of liquified natural gas automobile | |
| CN204459758U (en) | Without station gas storage system piston type compressed natural gas standard station | |
| CN204127649U (en) | The box LNG dispenser pump sled of a kind of overall vacuum | |
| CN203223740U (en) | Multi-channel parallel CNG (Compressed Natural Gas) skid-mounted gas unloading device | |
| CN203902274U (en) | Single fuel supply system for compressed natural gas | |
| CN205535073U (en) | Novel cold energy cascade utilization system of LNG accepting station | |
| CN205278761U (en) | Low temperature medium liquefaction recovery system | |
| CN203271973U (en) | Fuel transfer system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230616 Address after: No. 116 Shenghe 1st Road, High tech Zone, Chengdu, Sichuan 610000, China Patentee after: Chengdu Huachu New Energy Group Co.,Ltd. Address before: 610000 Oil and Gas Transmission Company in Longdengshan Village, Huayang Town, Shuangliu County, Chengdu City, Sichuan Province Patentee before: Yang Wenqing |
|
| TR01 | Transfer of patent right |