WO2007028221A2 - Electricity generation system based on nitrogen - Google Patents

Electricity generation system based on nitrogen Download PDF

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Publication number
WO2007028221A2
WO2007028221A2 PCT/BR2006/000177 BR2006000177W WO2007028221A2 WO 2007028221 A2 WO2007028221 A2 WO 2007028221A2 BR 2006000177 W BR2006000177 W BR 2006000177W WO 2007028221 A2 WO2007028221 A2 WO 2007028221A2
Authority
WO
WIPO (PCT)
Prior art keywords
electric energy
liquid nitrogen
energy generation
nitrogen
system characterized
Prior art date
Application number
PCT/BR2006/000177
Other languages
French (fr)
Other versions
WO2007028221A8 (en
Inventor
Reynaldo Sigilião Da Costa
Original Assignee
Da Costa Reynaldo Sigiliao
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Da Costa Reynaldo Sigiliao filed Critical Da Costa Reynaldo Sigiliao
Priority to US11/991,223 priority Critical patent/US20090077970A1/en
Priority to EP06790467A priority patent/EP1929197B1/en
Priority to CA2653430A priority patent/CA2653430C/en
Priority to ES06790467T priority patent/ES2401417T3/en
Publication of WO2007028221A2 publication Critical patent/WO2007028221A2/en
Publication of WO2007028221A8 publication Critical patent/WO2007028221A8/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • F17C7/02—Discharging liquefied gases
    • F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/035—High pressure, i.e. between 10 and 80 bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0302—Heat exchange with the fluid by heating
    • F17C2227/0309—Heat exchange with the fluid by heating using another fluid
    • F17C2227/0311—Air heating
    • F17C2227/0313—Air heating by forced circulation, e.g. using a fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
    • F17C2227/0344—Air cooling
    • F17C2227/0346—Air cooling by forced circulation, e.g. using a fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0337—Heat exchange with the fluid by cooling
    • F17C2227/0358—Heat exchange with the fluid by cooling by expansion
    • F17C2227/0362—Heat exchange with the fluid by cooling by expansion in a turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/03—Heat exchange with the fluid
    • F17C2227/0367—Localisation of heat exchange
    • F17C2227/0388—Localisation of heat exchange separate
    • F17C2227/0393—Localisation of heat exchange separate using a vaporiser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/05—Regasification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/07—Generating electrical power as side effect

Definitions

  • the electrical energy generation from hydrogen is one of the alternatives that is under research.
  • the distributed energy becomes even more important due to the following factors:
  • the ideal wouid be that each residence could have its local (private) generation, that is, small generators of electric energy.
  • These small domestic generators can best represent a change in the philosophy of the ' the bigger, the better 1 of the electricity generation that has prevailed in the energy sector - with the construction of huge hydro electrical plants, the coal and nuclear that, nowadays, supply great part of the world-wide electricity.
  • several technological, environmental and political forces stimulate the use of the decentralized energy concept, in small scale, clean and renewable.
  • This patent presents an alternative form of clean, renewable and distributed electric energy generation, based on Nitrogen.
  • the Nitrogen is the main element in air (about 78%), therefore a renewable source of electric energy generation.
  • the equipment herein described represents a clean and distributed form of electricity generation.
  • the Nitrogen can be stored in liquid form facilitating the transport and positioning, where the energy is necessary and, therefore its use as fuel for distributed, clean and renewable generation of electric energy.
  • the considered system is an electricity generator that uses the ambient temperature to heat up and vaporize liquid Nitrogen, which is stored at low temperature, and is pumped at high pressure through a heat exchanger.
  • the high pressure vaporized Nitrogen gas is expanded in an expander, which generates mechanical power that drives an electricity generator.
  • the present invention is composed by an electric energy generation system using liquid Nitrogen, as shown in figure 1 , where V represents the storage vessel of liquid Nitrogen, B is a pump, TC is the heat exchanger, D a control device, EXP expander and CEE electric energy converter. There is, also, a set of valves (not shown in figure) that controls the Nitrogen flow in the system. The valves are also used for the protection and the re-start of the system.
  • the Liquid Nitrogen initially stored in a pressure vessel, V 1 is pumped to the operating pressure of the system in the pump B, after which it is directed into the heat exchanger, TC.
  • the heat exchanger works in a similar form to a car radiator, however, instead of using air to cool, it uses air to heat the Nitrogen.
  • the liquid Nitrogen passes through pipes that compose the heat exchanger, where it is heated and vaporized by a stream of air at ambient temperature. After that it is expanded in an expander, EXP, generating mechanical power, which is converted into electricity by an electrical generator
  • the Nitrogen flow to the expander inlet is controlled by a device, D.
  • the considered system is modular and several of them can be connected to increase the capacity of electric energy generation (power and energy), through the combination of Nitrogen storage vessels in parallel to the heat exchanger or by the combination of some Nitrogen storage vessels and heat exchanger in parallel to the expander as shown in figure 2, and others.

Abstract

The present invention describes an electric energy generation system from liquid Nitrogen and its preferential use in the supply of consumers located in isolated regions of the electrical system (off grid), located in regions with high commercial losses and high insolvency and in residences on specific applications, such as efficient illumination and water heating.

Description

ELECTRICITY GENERATION SYSTEM BASED ON NITROGEN
FIELD OF THE INVENTION
The innovation herein proposed describes an electricity generation system based on Nitrogen and its use. PREVIOUS TECHNIQUES
The increasing concern about environmental issues, especially relative CO2 emission reduction associated to the expansion of the Brazilian electricity sector starts to stimulate the development and the use of alternative forms of electric energy generation in Brazil. In particular the clean and renewable generation systems are being seen as priority, nowadays. The market of wind sources, solar energy and small hydro-electric power plants is increasing fastly.
Therefore, in this context, new clean and reneweable technologies for energy generation started to be investigated in order to substitute the traditional sources.
The electrical energy generation from hydrogen is one of the alternatives that is under research.
Another important trend that is gaining strong support in the current scenario is the distributed generation, that is the power generation from small units (small scale generation) close to the consumer.
The distributed energy becomes even more important due to the following factors:
• The necessity to supply consumers isolated from the electrical system. In rural areas, the development of local independent systems can eliminate the for increasing the distribution grid;
• The occurrence of several black-out of great extension that has been verified in many countries, causing great damages and inconveniences to the consumers. The generated energy locally demands less of the transmission electrical systems, and provides high reliability and low vulnerability for the centered electrical systems that occur, for example, due to serious climatic conditions; • The increasing demand for 'green energy'. The related commitments to the climatic changes and efforts by environment conservation; • Other factors - Reduced dependence in oil importation, lower atmospheric pollution, risks reduction of nuclear security, difficulties of localization of new power plants and the transmission and distribution capacity, technological advances, new exportation markets.
The development of new technologies that can guarantee this increasing market of distributed energy is more relevant and with priority.
In a limit case, the ideal wouid be that each residence could have its local (private) generation, that is, small generators of electric energy. These small domestic generators can best represent a change in the philosophy of the ' the bigger, the better1 of the electricity generation that has prevailed in the energy sector - with the construction of huge hydro electrical plants, the coal and nuclear that, nowadays, supply great part of the world-wide electricity. In summary, several technological, environmental and political forces stimulate the use of the decentralized energy concept, in small scale, clean and renewable.
This patent presents an alternative form of clean, renewable and distributed electric energy generation, based on Nitrogen. The Nitrogen is the main element in air (about 78%), therefore a renewable source of electric energy generation. Moreover, the equipment herein described represents a clean and distributed form of electricity generation.
The Nitrogen can be stored in liquid form facilitating the transport and positioning, where the energy is necessary and, therefore its use as fuel for distributed, clean and renewable generation of electric energy.
The order of patent in Brazil Pl 0202191-9 (date 03/06/2002) describes a generator using the Nitrogen where the potential difference is generated from the super conduction of the magnetic forces generated by a big magnet. SUMMARY OF THE INVENTION
The considered system is an electricity generator that uses the ambient temperature to heat up and vaporize liquid Nitrogen, which is stored at low temperature, and is pumped at high pressure through a heat exchanger.
The high pressure vaporized Nitrogen gas is expanded in an expander, which generates mechanical power that drives an electricity generator.
DETAILED DESCRIPTION OF THE INVENTION
The present invention is composed by an electric energy generation system using liquid Nitrogen, as shown in figure 1 , where V represents the storage vessel of liquid Nitrogen, B is a pump, TC is the heat exchanger, D a control device, EXP expander and CEE electric energy converter. There is, also, a set of valves (not shown in figure) that controls the Nitrogen flow in the system. The valves are also used for the protection and the re-start of the system.
The diagram from figure 1 illustrates the basic principle of operation.
The Liquid Nitrogen, initially stored in a pressure vessel, V1 is pumped to the operating pressure of the system in the pump B, after which it is directed into the heat exchanger, TC. The heat exchanger works in a similar form to a car radiator, however, instead of using air to cool, it uses air to heat the Nitrogen.
The liquid Nitrogen passes through pipes that compose the heat exchanger, where it is heated and vaporized by a stream of air at ambient temperature. After that it is expanded in an expander, EXP, generating mechanical power, which is converted into electricity by an electrical generator
(CEE). The Nitrogen is set free to the atmosphere.
The Nitrogen flow to the expander inlet is controlled by a device, D.
The considered system is modular and several of them can be connected to increase the capacity of electric energy generation (power and energy), through the combination of Nitrogen storage vessels in parallel to the heat exchanger or by the combination of some Nitrogen storage vessels and heat exchanger in parallel to the expander as shown in figure 2, and others.
It is possible to add other components into the system in order to increase its efficiency. For example:
■ The adoption of fans to blow the air with higher efficiency, i.e., the surrounding heat at the heat exchanger. ■ The physical and geometric constitution of the heat exchanger could be enhanced aiming a better efficiency. It can be optimized using other pipe configurations by better exposition of the heat exchanger surface to the surrounding air and light, aiming at improving the surrounding heat transference to the liquid Nitrogen. ■ The Nitrogen gas at the exit of the expander can be re-used for pre-heating of the liquid Nitrogen in the heat exchanger. ■ The Nitrogen gas from the expander can still be used as working fluid in a second stage of heat transfer and expander generating more mechanical work. The number of stages used depend on the desired efficiency and required power by the system. The system has a low cost to generate a clean, renewable and distributed energy:
■ For supplying consumers located in isolated regions of the electrical system (off grid consumers).
. ■ For supplying a consumer or group of consumers located in regions of high commercial losses and high insolvency.
■ That allows the selling of energy, before its use, implementing the concept of pre paid energy in a consumer or a group of consumers located in high commercial losses regions and high insolvency. " To use in residences, in specific applications such as efficient illumination and water heating, amongst others.
■ To replace local diesel generators reducing the emissions.

Claims

1- ELECTRICITY GENERATION SYSTEM BASED ON NITROGEN characterized by the preferential diagram from figure 1.
2- SYSTEM characterized by the modularity, through the combination in parallel configuration for the increase of the electric energy generation capacity in accordance with the load necessity, showned in Figure 2.
3- -SYSTEM characterized by the use of liquid Nitrogen in the distributed electric energy generation, for attendance the consumers located in isolated regions of the electrical system (off grid consumers). 4- SYSTEM characterized by the use of liquid Nitrogen as a source of local electric energy generation, for attendance the consumer or consumers group located in high commercial losses regions and high insolvency.
5- SYSTEM characterized by the use liquid Nitrogen as a source of local electric energy generation, allowing the selling of energy before its use.
6- SYSTEM characterized by the use of liquid Nitrogen in a local basis electric energy generation in residences for application in efficient illumination and water heating, and others. 7- SYSTEM characterized by the use of liquid Nitrogen in a local electricity energy generation replacing local diesel generators.
PCT/BR2006/000177 2005-09-05 2006-09-05 Electricity generation system based on nitrogen WO2007028221A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US11/991,223 US20090077970A1 (en) 2005-09-05 2006-09-05 Electricity generation system based on nitrogen
EP06790467A EP1929197B1 (en) 2005-09-05 2006-09-05 Electricity generation system based on nitrogen
CA2653430A CA2653430C (en) 2005-09-05 2006-09-05 Electricity generation system based on nitrogen
ES06790467T ES2401417T3 (en) 2005-09-05 2006-09-05 Nitrogen-based electricity generation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0503705-0 2005-09-05
BRPI0503705-0A BRPI0503705A (en) 2005-09-05 2005-09-05 nitrogen power generation system

Publications (2)

Publication Number Publication Date
WO2007028221A2 true WO2007028221A2 (en) 2007-03-15
WO2007028221A8 WO2007028221A8 (en) 2008-11-06

Family

ID=37836174

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2006/000177 WO2007028221A2 (en) 2005-09-05 2006-09-05 Electricity generation system based on nitrogen

Country Status (7)

Country Link
US (1) US20090077970A1 (en)
EP (1) EP1929197B1 (en)
BR (1) BRPI0503705A (en)
CA (1) CA2653430C (en)
ES (1) ES2401417T3 (en)
PT (1) PT1929197E (en)
WO (1) WO2007028221A2 (en)

Cited By (3)

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WO2008101569A2 (en) * 2007-02-21 2008-08-28 Linde Ag Device for evaporating cryogens, and method for defrosting an evaporation unit having such a device
WO2013104904A1 (en) * 2012-01-13 2013-07-18 Highview Enterprises Limited Electricity generation device and method
US9705382B2 (en) 2011-01-13 2017-07-11 Highview Enterprises Limited Electricity generation device and method employing cryogenic fluid, evaporator, superheater, and expansion turbine

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WO2012024342A1 (en) * 2010-08-16 2012-02-23 Breathe Technologies, Inc. Methods, systems and devices using lox to provide ventilatory support
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US11370668B2 (en) * 2020-05-01 2022-06-28 Jgc Corporation Ammonia manufacturing apparatus and ammonia manufacturing method

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008101569A2 (en) * 2007-02-21 2008-08-28 Linde Ag Device for evaporating cryogens, and method for defrosting an evaporation unit having such a device
WO2008101569A3 (en) * 2007-02-21 2009-02-05 Linde Ag Device for evaporating cryogens, and method for defrosting an evaporation unit having such a device
US9705382B2 (en) 2011-01-13 2017-07-11 Highview Enterprises Limited Electricity generation device and method employing cryogenic fluid, evaporator, superheater, and expansion turbine
WO2013104904A1 (en) * 2012-01-13 2013-07-18 Highview Enterprises Limited Electricity generation device and method
KR20140134269A (en) * 2012-01-13 2014-11-21 하이뷰 엔터프라이지즈 리미티드 Electricity Generation Device and Method
KR101705657B1 (en) * 2012-01-13 2017-02-10 하이뷰 엔터프라이지즈 리미티드 Electricity Generation Device and Method

Also Published As

Publication number Publication date
PT1929197E (en) 2013-02-28
ES2401417T3 (en) 2013-04-19
EP1929197B1 (en) 2012-12-12
US20090077970A1 (en) 2009-03-26
EP1929197A2 (en) 2008-06-11
WO2007028221A8 (en) 2008-11-06
CA2653430A1 (en) 2007-03-15
EP1929197A4 (en) 2011-08-31
CA2653430C (en) 2015-01-06
BRPI0503705A (en) 2007-05-15

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