CN105240161A - Device with liquefied natural gas used for internal combustion engine and achieving method - Google Patents
Device with liquefied natural gas used for internal combustion engine and achieving method Download PDFInfo
- Publication number
- CN105240161A CN105240161A CN201510727788.0A CN201510727788A CN105240161A CN 105240161 A CN105240161 A CN 105240161A CN 201510727788 A CN201510727788 A CN 201510727788A CN 105240161 A CN105240161 A CN 105240161A
- Authority
- CN
- China
- Prior art keywords
- natural gas
- liquefied natural
- combustion engine
- lng
- internal
- 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.)
- Granted
Links
Abstract
The invention discloses a device with liquefied natural gas used for an internal combustion engine and an achieving method. The device comprises a liquefied natural gas storage tank, a high-voltage electro-hydraulic pump, an electric connection main pressure gauge, a relay switch and a check valve. The liquefied natural gas storage tank is connected with the high-voltage electro-hydraulic pump which is connected with the check valve. The check valve is connected with an oil injection pump. A circuit between the check valve and the oil injection pump is connected with the electric connection main pressure gauge. The high-voltage electro-hydraulic pump and the electric connection main pressure gauge are connected with a power source. The relay switch is arranged between the power source and the high-voltage electro-hydraulic pump, and the relay switch is used for controlling the high-voltage electro-hydraulic pump. According to the device with the liquefied natural gas used for the internal combustion engine, liquefied natural gas is injected into the engine in the high-voltage, low-temperature and liquid state, so that the charging coefficient of the engine is improved, the mixed momentum value reaches or exceeds the mixed momentum value of gasoline and diesel oil, and therefore the power of the engine is improved.
Description
Technical field
What the present invention relates to LNG Liquefied natural gas utilizes technical field, is specifically related to the method and apparatus of a kind of LNG Liquefied natural gas as motor fuel.
Background technique
Rock gas is a kind of excellent motor fuel, has the higher thermal efficiency, and cold-starting and low temperature running functional, CO discharge amount is few, and the discharge of solid particle is almost nil.As a kind of low density gas, although at some city compressed natural gass as automobile-used, still there is tank weights large, the shortcoming that distance travelled is few in rock gas.Rock gas liquefiable-162 degrees Celsius time is liquid, thus volume reduces 600 times, density is corresponding increase also, but be suck from gaseous state when concrete use, motor volumetric efficiency is reduced, compared with liquid fuel (as gasoline), the mixing imposing manner value of per unit volume is low, power drop nearly 10%.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the device of a kind of LNG Liquefied natural gas for internal-combustion engine and implementation method are provided, make LNG Liquefied natural gas spray into motor under the state of high pressure, low temperature and liquid, thus improve engine efficiency.
Consider the problems referred to above of prior art, according to an aspect disclosed by the invention, the present invention by the following technical solutions:
A kind of LNG Liquefied natural gas is used for the device of internal-combustion engine, it comprises liquefied natural gas (LNG) tank, high-tension electricity liquid pump, electricity connects total pressure table, relay switch and safety check, described liquefied natural gas (LNG) tank is connected with described high-tension electricity liquid pump, described high-tension electricity liquid pump is connected with described safety check, described safety check connects Injection Pump again, circuit between described safety check with described Injection Pump is connected electricity and connects total pressure table, described high-tension electricity liquid pump and electricity connect total pressure table and are connected with power supply respectively, described relay switch arranges between power supply and described high-tension electricity liquid pump, relay switch is for controlling high-tension electricity liquid pump.
In order to realize the present invention better, further technological scheme is:
According to one embodiment of the invention, arrange fuel dispensing tube between described safety check and described Injection Pump, described fuel dispensing tube and described electricity connect total pressure list catenation.
LNG Liquefied natural gas is used for an implementation method for the device of internal-combustion engine, and it comprises:
LNG Liquefied natural gas in liquefied natural gas (LNG) tank sends into internal-combustion engine when liquid state by high-tension electricity liquid pump, is connect the LNG Liquefied natural gas pressure of total pressure table control inputs internal-combustion engine by relay switch and electricity.
According to another embodiment of the invention, after the LNG Liquefied natural gas in described liquefied natural gas (LNG) tank inputs fuel dispensing tube when liquid state by high-tension electricity liquid pump, then input internal-combustion engine.
The present invention can also be:
According to another embodiment of the invention, the pressure that described high-tension electricity liquid pump exports is higher than the gasification critical pressure of LNG Liquefied natural gas.
Compared with prior art, one of beneficial effect of the present invention is:
A kind of LNG Liquefied natural gas of the present invention is used for device and the implementation method of internal-combustion engine, LNG Liquefied natural gas is sprayed into motor under the state of high pressure, low temperature and liquid, to improve the volumetric efficiency of motor, the mixing of per unit volume imposing manner value is made to meet or exceed the mixing imposing manner value of gasoline, diesel oil, thus raising engine power, and control to suck motor under the low temperature of certain limit, effectively can control the pre-ignition of rock gas.
Accompanying drawing explanation
In order to clearer explanation present specification embodiment or technological scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, the accompanying drawing that the following describes is only the reference to some embodiments in present specification, for those skilled in the art, when not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows according to an embodiment of the invention for the LNG Liquefied natural gas oil supplying device structural representation of diesel engine.
Fig. 2 shows in accordance with another embodiment of the present invention for the LNG Liquefied natural gas oil supplying device structural representation of petrol engine.
Wherein, the name corresponding to the reference character in accompanying drawing is called:
1-liquefied natural gas (LNG) tank, 2-high-tension electricity liquid pump, 3-fuel dispensing tube, 4-electricity connects total pressure table, 5-relay switch, 6-safety check.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, a kind of LNG Liquefied natural gas is used for the device of internal-combustion engine, it comprises liquefied natural gas (LNG) tank 1, high-tension electricity liquid pump 2, electricity connects total pressure table 4, relay switch 5 and safety check 6, described liquefied natural gas (LNG) tank 1 is connected with described high-tension electricity liquid pump 2, described high-tension electricity liquid pump 2 is connected with described safety check 6, described safety check 6 connects Injection Pump again, described safety check 6 with the circuit between described Injection Pump be connected electricity connect total pressure table 4, described high-tension electricity liquid pump 2 and electricity connect total pressure table 4 and are connected with power supply respectively, described relay switch 5 arranges between power supply and described high-tension electricity liquid pump 2, relay switch 5 is for controlling high-tension electricity liquid pump 2.
A kind of LNG Liquefied natural gas is used for the implementation method of the device of internal-combustion engine, LNG Liquefied natural gas in liquefied natural gas (LNG) tank 1 is sent into internal-combustion engine by high-tension electricity liquid pump 2 when liquid state, is connect the LNG Liquefied natural gas pressure of total pressure table 4 control inputs internal-combustion engine by relay switch 5 and electricity.The pressure that high-tension electricity liquid pump 2 exports is higher than the gasification critical pressure (>=60MPa) of LNG Liquefied natural gas.
As shown in Figure 2, be also provided with fuel dispensing tube 3 between safety check 6 and described Injection Pump, described fuel dispensing tube 3 and described electricity connect total pressure table 4 and are connected.
After LNG Liquefied natural gas in described liquefied natural gas (LNG) tank 1 inputs fuel dispensing tube 3 when liquid state by high-tension electricity liquid pump 2, then input internal-combustion engine.
LNG Liquefied natural gas oil supplying device of the present invention, LNG Liquefied natural gas is made to spray into motor under the state of high pressure, low temperature, liquid, improve the volumetric efficiency of motor, the mixed gas of per unit volume imposing manner value is made to meet or exceed the mixing imposing manner value of gasoline, diesel oil, thus make motor improve power, and control to suck motor under certain low temperature, effectively can control the pre-ignition using rock gas.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment ", etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and mode of execution, these amendments and mode of execution will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of and claim open in the application, multiple modification and improvement can be carried out to the constituent elements of subject combination layout and/or layout.Except the modification of carrying out constituent elements and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (5)
1. a LNG Liquefied natural gas is used for the device of internal-combustion engine, it is characterized in that it comprises liquefied natural gas (LNG) tank (1), high-tension electricity liquid pump (2), electricity connects total pressure table (4), relay switch (5) and safety check (6), described liquefied natural gas (LNG) tank (1) is connected with described high-tension electricity liquid pump (2), described high-tension electricity liquid pump (2) is connected with described safety check (6), described safety check (6) connects Injection Pump again, described safety check (6) with the circuit between described Injection Pump is connected electricity and connects total pressure table (4), described high-tension electricity liquid pump (2) and electricity connect total pressure table (4) and are connected with power supply respectively, described relay switch (5) arranges between power supply and described high-tension electricity liquid pump (2), relay switch (5) is for controlling high-tension electricity liquid pump (2).
2. LNG Liquefied natural gas according to claim 1 is used for the device of internal-combustion engine, it is characterized in that arranging fuel dispensing tube (3) between described safety check (6) and described Injection Pump, described fuel dispensing tube (3) and described electricity connect total pressure table (4) and are connected.
3. LNG Liquefied natural gas is used for the implementation method of LNG Liquefied natural gas for internal-combustion engine for the device of internal-combustion engine as claimed in claim 1, it is characterized in that it comprises:
LNG Liquefied natural gas in liquefied natural gas (LNG) tank (1) sends into internal-combustion engine when liquid state by high-tension electricity liquid pump (2), is connect the LNG Liquefied natural gas pressure of total pressure table (4) control inputs internal-combustion engine by relay switch (5) and electricity.
4. LNG Liquefied natural gas according to claim 3 is used for the implementation method of internal-combustion engine, it is characterized in that LNG Liquefied natural gas in described liquefied natural gas (LNG) tank (1) when liquid state by after high-tension electricity liquid pump (2) input fuel dispensing tube (3), then input internal-combustion engine.
5. the LNG Liquefied natural gas according to claim 3 or 4 is used for the implementation method of internal-combustion engine, it is characterized in that pressure that described high-tension electricity liquid pump (2) the exports gasification critical pressure higher than LNG 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 true CN105240161A (en) | 2016-01-13 |
| CN105240161B 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 (5)
| 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 |
| 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 |
-
2015
- 2015-10-30 CN CN201510727788.0A patent/CN105240161B/en active Active
Patent Citations (5)
| 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 |
| 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 |
|---|---|
| CN105240161B (en) | 2018-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201028253Y (en) | Automatic oiling device for tramcar | |
| CN103089506B (en) | Device and method achieving liquid and gas dual fuel injection | |
| CN202431377U (en) | Diesel oil/natural gas double-fuel supply system | |
| CN103277213A (en) | Automotive mixed-gas supply system | |
| CN205101139U (en) | Liquefied natural gas is used for device of internal -combustion engine | |
| CN203214180U (en) | Compressed natural gas-diesel dual-fuel engine formed by refitting marine diesel engine | |
| CN105240161A (en) | Device with liquefied natural gas used for internal combustion engine and achieving method | |
| CN201810295U (en) | Skid-mounted CO2 pumping device | |
| CN203293902U (en) | Vehicle-mounted fuel gas mixing supply device | |
| CN204163879U (en) | A kind of oil gas three uses Carburetor | |
| CN204436628U (en) | The motor that a kind of combustion efficiency is high | |
| CN104121479B (en) | LNG tank car BOG injection recovery system | |
| CN1888409A (en) | Method for changing diesel fuel vehicle to liquefied natural gas single fuel vehicle | |
| CN203822475U (en) | Dual-fuel electrical control system device of diesel engine | |
| CN202673482U (en) | Novel internal combustion engine liquefied natural gas (LNG)/ diesel hybrid power device | |
| CN206071785U (en) | A kind of engine ignition mechanism | |
| CN201835944U (en) | Oil-gas dual-use carburetor | |
| CN207261142U (en) | Combustion gas multipoint sequential injection structure | |
| TW201102487A (en) | Method of reducing fuel consumption through hydrothermal cracking | |
| CN204783379U (en) | Generating set is from ejector half oil tank device that passes through | |
| CN103867364A (en) | Non-fuel-return fuel supplying device of gasoline engine | |
| CN202065071U (en) | Start auxiliary device of methanol vehicle | |
| CN203271973U (en) | Fuel transfer system | |
| CN204327364U (en) | The diesel engine fuel injecting device of architecture advances | |
| CN201687584U (en) | Methanol automobile cold starting device |
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 |