CN104791013A - Low oxygen liquid nitrogen working medium engine - Google Patents
Low oxygen liquid nitrogen working medium engine Download PDFInfo
- Publication number
- CN104791013A CN104791013A CN201510102233.7A CN201510102233A CN104791013A CN 104791013 A CN104791013 A CN 104791013A CN 201510102233 A CN201510102233 A CN 201510102233A CN 104791013 A CN104791013 A CN 104791013A
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- CN
- China
- Prior art keywords
- liquid nitrogen
- hypoxemia
- working medium
- firing chamber
- outlet
- 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
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
- F02C1/04—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
- F02C1/04—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
- F02C1/05—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly characterised by the type or source of heat, e.g. using nuclear or solar energy
- F02C1/06—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly characterised by the type or source of heat, e.g. using nuclear or solar energy using reheated exhaust gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/08—Heating air supply before combustion, e.g. by exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/02—Hot gas positive-displacement engine plants of open-cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2254/00—Heat inputs
- F02G2254/10—Heat inputs by burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G2254/00—Heat inputs
- F02G2254/15—Heat inputs by exhaust gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The invention discloses a low oxygen liquid nitrogen working medium engine, which consists of a low oxygen liquid nitrogen storage tank, a combustion chamber, and an expansion working mechanism. Specifically, the outlet of the low oxygen liquid nitrogen storage tank is communicated with the combustion chamber, the working medium outlet of the combustion chamber is communicated with the working medium inlet of the expansion working mechanism. The low oxygen liquid nitrogen working medium engine provided by the invention adopts low oxygen liquid nitrogen as the raw material, and can effectively make use of the mass excessive liquid nitrogen in existing air separation industry. In addition, low oxygen liquid nitrogen can directly adopts the intermediate product obtained after separation of a part of liquid oxygen in the air separation process, thereby effectively reducing the air separation cost and saving energy.
Description
Technical field
The present invention relates to heat energy and dynamic field, be specifically related to a kind of hypoxemia liquid nitrogen working medium motor.
Background technique
Air separation is a huge industrial system, in this industrial system, and the product liquid oxygen of maximum flow and liquid nitrogen, and present industrial liquid oxygen amount and be that liquid nitrogen height is superfluous by the situation of amount of liquid nitrogen.If can invent a kind of can the motor of efficiency utilization liquid nitrogen, not only can energy-conserving and environment-protective, empty point industrial expansion can also be promoted.
Summary of the invention
In order to solve the problem, the technological scheme that the present invention proposes is as follows:
Scheme 1: a kind of hypoxemia liquid nitrogen working medium motor, comprise: hypoxemia liquid nitrogen storage tank, firing chamber, expansion work mechanism, wherein, the outlet of described hypoxemia liquid nitrogen storage tank and described combustion chamber, the sender property outlet of described firing chamber is communicated with the working medium entrance of described expansion work mechanism.
Scheme 2: on the basis of scheme 1, makes described hypoxemia liquid nitrogen working medium motor also comprise regenerator further; Described regenerator by the outlet of the entrance of heating fluid channel and described hypoxemia liquid nitrogen storage tank, described regenerator by the outlet of heating fluid channel and described combustion chamber, the sender property outlet of described expansion work mechanism is communicated with the entrance of the heating fluid channel of described regenerator.
Scheme 3: on the basis of scheme 1 or 2, makes described expansion work mechanism be turbine, multistage change circle hydraulic mechanism, piston type acting mechanism or lobed rotor motor further.
Scheme 4: in scheme 1 to 3 either a program basis on, make power pressure in described firing chamber further between 2MPa to 20MPa.
Scheme 5: in scheme 1 to 4 either a program basis on, make the temperature of the sender property outlet of described firing chamber further between 500K to 3000K.
Scheme 6: in scheme 1 to 5 either a program basis on, make the reserves of described hypoxemia liquid nitrogen storage tank at least can work under declared working condition 24 hours for described expansion work mechanism further.
Scheme 7: a kind of hypoxemia liquid nitrogen working medium motor, comprise: hypoxemia liquid nitrogen storage tank, external combustion heater, expansion work mechanism, wherein, the outlet of described hypoxemia liquid nitrogen storage tank is communicated with described external combustion heater, and the sender property outlet of described external combustion heater is communicated with the working medium entrance of described expansion work mechanism.
Scheme 8: on the basis of scheme 7, makes described hypoxemia liquid nitrogen working medium motor also comprise regenerator further; Described regenerator by the outlet of the entrance of heating fluid channel and described hypoxemia liquid nitrogen storage tank, being communicated with described external combustion heater by the outlet of heating fluid channel of described regenerator, the sender property outlet of described expansion work mechanism is communicated with the entrance of the heating fluid channel of described regenerator.
Scheme 9: on the basis of scheme 7 or 8, makes described expansion work mechanism be turbine, multistage change circle hydraulic mechanism, piston type acting mechanism or lobed rotor motor further.
Scheme 10: in scheme 7 to 9 either a program basis on, make power pressure in described external combustion heater further between 2MPa to 20MPa.
Scheme 11: in scheme 7 to 10 either a program basis on, make the temperature of the sender property outlet of described external combustion heater further between 500K to 3000K.
Scheme 12: in scheme 7 to 11 either a program basis on, make the reserves of described hypoxemia liquid nitrogen storage tank at least can work under declared working condition 24 hours for described expansion work mechanism further.
In the present invention, certain more than numerical value A and certain below numerical value A includes: this number A.
The present inventor thinks according to thermodynamic (al) basic principle and on the observation of universe phenomenon: under the prerequisite affected not having external factor, and heat absolutely can not convert other any type of energy or material to.Only set forth in conventional heat second law under the prerequisite not having external factor to affect, heat can not absolutely be changed successfully, and this law is correct, but is unilateral.With popular language, heat can be defined as the minimum form of energy, or be the rubbish in universe referred to as this.By analysis, the present inventor also thinks: the growing process of any biology (animal, plant, microorganism, virus and bacterium) is all heat release.By analysis, the present inventor also thinks: any one process or any one circulation (are not limited to thermodynamic process, such as chemical reaction process, biochemical reaction process, photochemical reaction process, biological growth process, growing process are all included) its maximum acting ability conservation, the present inventor thinks does not have photosynthetic growing process can not improve its acting ability, that is, the acting ability of bean sprouts is the acting ability sum that impossible add its nutrient absorbed higher than the acting ability of bean or pea; Why the acting ability of one tree wood is greater than the acting ability of sapling, is because sunlight take part in by the growing process of sapling to trees with photosynthetic form.
The present inventor thinks: the basic logic of heat engine work be restrain-be heated-disperse.So-called convergence is the increase process of the density of working medium, and such as condensation, compression all belong to convergence process, and under same pressure, the working medium degree of convergence that temperature is low is large; It is exactly the endothermic process of working medium that what is called is heated; What is called disperses the process referring to that the density of working medium reduces, such as, expand or spray.Any one disperses the reduction that process all can form acting ability, and such as, the acting ability of the air of gaseous state will well below the acting ability of liquid air; The heat that methanol plus water adds moderate temperature generates carbon monoxide and hydrogen, although the carbon monoxide generated and the ignition heat of hydrogen are greater than the ignition heat about 20% of methyl alcohol, but the ratio that its acting ability is greater than the acting ability of methyl alcohol is then very little, although its reason is that this process has inhaled the heat of about 20%, the degree of divergence of resultant carbon monoxide and hydrogen is far longer than methyl alcohol.Therefore, utilizing the not high physochlaina infudibularis of temperature to add chemical reaction is the acting ability having no idea effectively to improve resultant.
The present inventor thinks: it is the process that entropy increases that distance increases, and the distance between cold & heat source also affects efficiency, high apart from little efficiency, low apart from large efficiency.
In the present invention, according to the known technology of heat energy and dynamic field, necessary parts, unit or system etc. should be set in the place of necessity.
In the present invention, " described external combustion heater " refers to the heater heated with external combustion form comprising firing chamber.
In the present invention, so-called " multistage " refers to more than two-stage.
In the present invention, so-called " become boundary hydraulic mechanism " refers to that surface that all fluids enter the movement parts in district and fluid flow out the different volume type hydraulic mechanism in the surface of the movement parts in district, that is, so-called " becoming boundary's hydraulic mechanism " is all the volume type hydraulic mechanism being formed volume-variation by rotating motion part, such as, sliding vane pump, sliding vane mechanism (such as, sliding vane type expander), eccentric rotor mechanism (such as, eccentric rotor decompressor), liquid-ring mechanism (such as, liquid-ring decompressor), roots-type mechanism (such as, roots-type decompressor), screw-type mechanism (such as, screw type expansion machine), rotary-piston type mechanism (such as, rotary-piston type decompressor), rolling-piston-type mechanism (such as, rolling-piston-type decompressor), swing-rotor type mechanism (such as, swing-rotor type decompressor), single active chamber sliding vane mechanism (such as, single active chamber sliding vane type expander), Double working chamber slide sheet type mechanism (such as, Double working chamber slide sheet type decompressor), penetration slipping sheet formula mechanism (such as, penetration slipping sheet formula decompressor), gear fluids mechanism (such as, gear decompressor) and Zhuan Gang rolling piston mechanism is (such as, turn cylinder rolling piston expander) etc.Described Bian Jie mechanism optionally selects to comprise cylinder, slider and cylinder inner rotary body, and complements each other to form the mechanism of volume-variation by described cylinder, described slider and described cylinder inner rotary body three.
In the present invention, so-called " hypoxemia liquid nitrogen " refer to oxygen content between 3% to 15%, the liquid nitrogen liquid oxygen of nitrogen content more than 80% and the mixture of other compositions.
Beneficial effect of the present invention is as follows: hypoxemia liquid nitrogen working medium motor of the present invention adopts hypoxemia liquid nitrogen to be raw material, the excessive liquid nitrogen produced can be effectively utilized in existing air separation industries, in addition, hypoxemia liquid nitrogen can directly adopt in air separation process the intermediate product isolated after a part of liquid oxygen, can effectively reduce air separation cost, energy saving.
Accompanying drawing explanation
Fig. 1: the structural representation of embodiment 1;
Fig. 2: the structural representation of embodiment 2;
Fig. 3: the structural representation of embodiment 3;
Fig. 4: the structural representation of embodiment 4.
In figure: 1 hypoxemia liquid nitrogen storage tank, 2 firing chambers, 3 expansion work mechanisms, 4 regenerators, 5 external combustion heaters.
Embodiment
Embodiment 1
A kind of hypoxemia liquid nitrogen working medium motor, as shown in Figure 1, comprising: hypoxemia liquid nitrogen storage tank 1, firing chamber 2, expansion work mechanism 3, wherein, the outlet of described hypoxemia liquid nitrogen storage tank 1 is communicated with described firing chamber 2, and the sender property outlet of described firing chamber 2 is communicated with the working medium entrance of described expansion work mechanism 3.
Embodiment 2
A kind of hypoxemia liquid nitrogen working medium motor, as shown in Figure 2, on the basis of embodiment 1, makes described hypoxemia liquid nitrogen working medium motor also comprise regenerator 4 further; Described regenerator 4 by the outlet of the entrance of heating fluid channel and described hypoxemia liquid nitrogen storage tank 1, being communicated with described firing chamber 2 by the outlet of heating fluid channel of described regenerator 4, the sender property outlet of described expansion work mechanism 3 is communicated with the entrance of the heating fluid channel of described regenerator 4.
Embodiment 3
A kind of hypoxemia liquid nitrogen working medium motor, as shown in Figure 3, comprise: hypoxemia liquid nitrogen storage tank 1, external combustion heater 5, expansion work mechanism 3, the outlet of described hypoxemia liquid nitrogen storage tank 1 is communicated with described external combustion heater 5, and the sender property outlet of described external combustion heater 5 is communicated with the working medium entrance of described expansion work mechanism 3.
Embodiment 4
A kind of hypoxemia liquid nitrogen working medium motor, as shown in Figure 4, on the basis of embodiment 3, makes described hypoxemia liquid nitrogen working medium motor also comprise regenerator 4 further; Described regenerator 4 by the outlet of the entrance of heating fluid channel and described hypoxemia liquid nitrogen storage tank 1, being communicated with described external combustion heater 5 by the outlet of heating fluid channel of described regenerator 4, the sender property outlet of described expansion work mechanism 3 is communicated with the entrance of the heating fluid channel of described regenerator 4.
As disposable mode of execution, in above-mentioned all embodiments containing combuster 2, all can make power pressure in described firing chamber 2 further between 2MPa to 20MPa.
As disposable mode of execution, above-mentioned all containing in the embodiment of combuster 2, all can make the temperature of the sender property outlet of described firing chamber 2 further between 500K to 3000K.
As disposable mode of execution, in all embodiments containing external combustion heater 5, all can make power pressure in described external combustion heater 5 further between 2MPa to 20MPa.
As disposable mode of execution, all containing in the embodiment of external combustion heater 5, all can make the temperature of the sender property outlet of described external combustion heater 5 further between 500K to 3000K.
As disposable mode of execution, all embodiment of the present invention all can optionally make described expansion work mechanism 3 be set to turbine, multistage change circle hydraulic mechanism, piston type acting mechanism or lobed rotor motor further.As disposable mode of execution, all embodiment of the present invention all can optionally make the reserves of described hypoxemia liquid nitrogen storage tank 1 at least can work under declared working condition 24 hours for described expansion work mechanism 3 further.
Obviously, the invention is not restricted to above embodiment, according to known technology and the technological scheme disclosed in this invention of related domain, can to derive or association goes out many flexible programs, all these flexible programs, also should think protection scope of the present invention.
Claims (10)
1. a hypoxemia liquid nitrogen working medium motor, it is characterized in that: comprising: hypoxemia liquid nitrogen storage tank (1), firing chamber (2), expansion work mechanism (3), the outlet of wherein said hypoxemia liquid nitrogen storage tank (1) is communicated with described firing chamber (2), and the sender property outlet of described firing chamber (2) is communicated with the working medium entrance of described expansion work mechanism (3).
2. hypoxemia liquid nitrogen working medium motor as claimed in claim 1, is characterized in that: described hypoxemia liquid nitrogen working medium motor also comprises regenerator (4); Described regenerator (4) by the outlet of the entrance of heating fluid channel and described hypoxemia liquid nitrogen storage tank (1), being communicated with described firing chamber (2) by the outlet of heating fluid channel of described regenerator (4), the sender property outlet of described expansion work mechanism (3) is communicated with the entrance of the heating fluid channel of described regenerator (4).
3. hypoxemia liquid nitrogen working medium motor as claimed in claim 1 or 2, is characterized in that:
Described expansion work mechanism (3) is turbine, multistage change circle hydraulic mechanism, piston type do work mechanism or lobed rotor motor.
4. hypoxemia liquid nitrogen working medium motor as claimed in claim 1 or 2, is characterized in that: the power pressure in described firing chamber (2) is between 2MPa to 20MPa.
5. hypoxemia liquid nitrogen working medium motor as claimed in claim 3, is characterized in that: the power pressure in described firing chamber (2) is between 2MPa to 20MPa.
6. hypoxemia liquid nitrogen working medium motor as claimed in claim 1 or 2, is characterized in that: the temperature of the sender property outlet of described firing chamber (2) is between 500K to 3000K.
7. hypoxemia liquid nitrogen working medium motor as claimed in claim 3, is characterized in that: the temperature of the sender property outlet of described firing chamber (2) is between 500K to 3000K.
8. hypoxemia liquid nitrogen working medium motor as claimed in claim 4, is characterized in that: the temperature of the sender property outlet of described firing chamber (2) is between 500K to 3000K.
9. hypoxemia liquid nitrogen working medium motor as claimed in claim 1 or 2, is characterized in that: the reserves of described hypoxemia liquid nitrogen storage tank (1) at least can work 24 hours for described expansion work mechanism (3) under declared working condition.
10. hypoxemia liquid nitrogen working medium motor as claimed in claim 3, is characterized in that: the reserves of described hypoxemia liquid nitrogen storage tank (1) at least can work 24 hours for described expansion work mechanism (3) under declared working condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510102233.7A CN104791013A (en) | 2014-03-19 | 2015-03-09 | Low oxygen liquid nitrogen working medium engine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014101035987 | 2014-03-19 | ||
| CN201410103598 | 2014-03-19 | ||
| CN201510102233.7A CN104791013A (en) | 2014-03-19 | 2015-03-09 | Low oxygen liquid nitrogen working medium engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104791013A true CN104791013A (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510102233.7A Pending CN104791013A (en) | 2014-03-19 | 2015-03-09 | Low oxygen liquid nitrogen working medium engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104791013A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224122A (en) * | 2015-07-28 | 2016-12-14 | 熵零股份有限公司 | Process electromotor |
| CN106523180A (en) * | 2015-09-14 | 2017-03-22 | 熵零股份有限公司 | Process engine |
| WO2018158275A3 (en) * | 2017-03-01 | 2018-10-18 | Epicam Limited | A liquid air engine and a method of operating a liquid air engine, and a method of operating an engine and a method and system for liquefying air |
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| CN1843798A (en) * | 2006-04-21 | 2006-10-11 | 江苏大学 | Solar energy, compressed air or liquid nitrogen powered automobile |
| CN2856871Y (en) * | 2005-09-29 | 2007-01-10 | 黄志刚 | Integrated appts. for liquid N generating and refrigerating and heating |
| CN103133139A (en) * | 2013-01-17 | 2013-06-05 | 摩尔动力(北京)技术股份有限公司 | Engine containing oxygen-containing gas liquefied substances |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1148135A (en) * | 1995-10-13 | 1997-04-23 | 张声凯 | Method and internal circulation apparatus for low temp. liquid used as working fluid of engines |
| CN1333415A (en) * | 2001-08-29 | 2002-01-30 | 李潮赞 | Method using low-temp. liquefied gas as energy source for engine and power device thereof |
| CN2856871Y (en) * | 2005-09-29 | 2007-01-10 | 黄志刚 | Integrated appts. for liquid N generating and refrigerating and heating |
| CN1843798A (en) * | 2006-04-21 | 2006-10-11 | 江苏大学 | Solar energy, compressed air or liquid nitrogen powered automobile |
| CN103133139A (en) * | 2013-01-17 | 2013-06-05 | 摩尔动力(北京)技术股份有限公司 | Engine containing oxygen-containing gas liquefied substances |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224122A (en) * | 2015-07-28 | 2016-12-14 | 熵零股份有限公司 | Process electromotor |
| CN106523180A (en) * | 2015-09-14 | 2017-03-22 | 熵零股份有限公司 | Process engine |
| WO2018158275A3 (en) * | 2017-03-01 | 2018-10-18 | Epicam Limited | A liquid air engine and a method of operating a liquid air engine, and a method of operating an engine and a method and system for liquefying air |
| CN110691894A (en) * | 2017-03-01 | 2020-01-14 | 埃皮卡姆有限公司 | Liquid air engine and method of operating liquid air engine, and method of operating engine and method and system of liquefying air |
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Application publication date: 20150722 |