序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
141 METHOD FOR LUBRICATING SCREW EXPANDERS AND SYSTEM FOR CONTROLLING LUBRICATION US12187426 2008-08-07 US20100034684A1 2010-02-11 Gabor Ast; Michael Adam Bartlett; Thomas Johannes Frey; Herbert Kopecek
A method for lubricating a screw expander includes condensing a mixture of working fluid and lubricant fed from the screw expander, through a condenser. At least a portion of the mixture of working fluid and lubricant fed from the condenser is pressurized from a first pressure to a second pressure through a pump. The method also includes separating the lubricant from the condensed working fluid of the at least portion of the mixture via a separator and feeding the lubricant to the screw expander; or separating the lubricant from the working fluid of the at least portion of the mixture via an evaporator and feeding the lubricant to the screw expander; or feeding the at least portion of the mixture of condensed working fluid and lubricant to the screw expander; or combinations thereof.
142 Expander Lubrication in Vapour Power Systems US11921836 2006-06-09 US20090188253A1 2009-07-30 Ian Kenneth Smith; Nikola Rudi Stosic; Ahmed Kovacevic
A vapour power generating system for generating power by using heat from a source of heat. The system has a closed circuit for a working fluid, and includes a heat exchanger assembly (1) for heating the fluid under pressure with heat from the source, a separator (8) for separating the vapour phase of the heated fluid from the liquid phase thereof, an expander (14) for expanding the vapour to generate power, a condenser (17) for condensing the outlet fluid from the expander (14), a feed pump (F) for returning condensed fluid from the condenser (17) to the heater and a return path for returning the liquid phase from the separator to the heater. The liquid phase of the working fluid contains a lubricant which lubricant is soluble or miscible in the liquid phase and a bearing supply path (21) is arranged to deliver liquid phase pressurised by the feed pump (F) to at least one bearing for a rotary element of the expander.
143 Method and device for generating mechanical energy US11949031 2007-12-01 US20080128188A1 2008-06-05 Lutz Giechau
A method for producing mechanical energy with a rotating thermal engine includes using a first liquid working medium and at least one further liquid working medium. The at least one further working medium has a lower boiling temperature than the first working medium. When the at least one further liquid working medium is combined with the first working medium that is enriched with thermal energy, it changes to a gaseous state or expands and produces an overpressure and performs work in such a manner that a torque is applied to a rotating part of the rotating thermal engine. A device for producing mechanical energy is also provided.
144 Hybrid two-phase turbine US878605 1992-05-05 US5385446A 1995-01-31 Lance G. Hays
A rotary separator turbine having inlet structure for mixtures of gas and liquid, rotary shaft structure comprising separator structure to receive the mixture of gas and liquid and to separate the mixture into a stream of gas and at a stream of liquid; first structure to receive the stream of gas for generating torque exerted on the shaft structure, and; second structure to receive the stream of liquid for generating torque exerted on the shaft structure; whereby the first and second structure separately operate to generate shaft power.
145 Recovery of enthalpy from hot fluids US303385 1981-09-18 US4448024A 1984-05-15 Alberto E. Molini; Clarence Zener
Enthalpy is recovered from hot industrial effluents by converting a working fluid into a foam in a flashing unit and using the foam to propel a turbine located within or at the output of the flashing unit. For liquid effluents the effluent itself serves as the working fluid. For gaseous effluents a liquid is heated by the gas and then the liquid is used as the working fluid. If the effluents contain undesirable levels of pollutants working fluid is cleaned before it is flashed. The specification discloses both impulse and reactive turbines which the foam can propel.
146 Recovery of enthalpy from hot industrial effluents US46668 1979-06-08 US4308722A 1982-01-05 Alberto E. Molini; Clarence Zener
Pollutants are removed from a hot industrial effluent after which enthalpy is recovered from the hot effluent by converting a working fluid into a foam in a flashing unit and using the foam to propel a turbine. For liquid effluents the effluent itself serves as the working fluid. For gaseous effluents the scrubbing fluid used to remove pollutants is used as the working fluid.
147 Method and apparatus for compressing vaporous or gaseous fluids isothermally US402315 1973-10-01 US4027993A 1977-06-07 Otto E. Wolff
A gaseous fluid is combined with a liquid to form a transient foam for processing the fluid as by compression, expansion, condensation, heat exchange or chemical reaction.
148 Two-phase engine US42475873 1973-12-14 US3879949A 1975-04-29 HAYS LANCE G; ELLIOTT DAVID G
A two-phase power source comprises a rotor; a nozzle having an outlet directed to discharge a two-phase jet for impingement on the rotor to rotate same, the nozzle having means to subdivide flow therein; and means to supply a heated first fluid in liquid state to the nozzle for subdivided flow therein toward said outlet and to supply a second and vaporizable fluid in liquid state to the nozzle to receive heat from the first fluid therein causing the second fluid to vaporize in the nozzle and mix with the first fluid in essentially liquid state to produce said discharging jet.
149 Turbine engine US40517064 1964-10-20 US3190072A 1965-06-22 PIERRE BERRYER
150 Heat motor US22888938 1938-09-08 US2176254A 1939-10-17 FOLDS GEORGE R
151 CONTROL SYSTEM FOR SUPERCRITICAL WORKING FLUID TURBOMACHINERY EP17181387.6 2017-07-14 EP3279641A1 2018-02-07 Moxon, Matthew

A turbomachinery control system for controlling supercritical working fluid turbomachinery (24). The control system comprises a light emitter (44) configured to project light through working fluid (50) of the turbomachinery toward a primary light detector (48) provided within a line of sight to the emitter (44). The system further comprises one or more secondary light detectors (52a-c) spaced from the line of sight, and a controller (42) configured to determine one or both of an intensity of light detected by the primary detector relative to an intensity of light detected by the secondary detector, and a wavelength of light detected by the primary detector relative to a wavelength of light detected by the secondary detector. The controller (42) is configured to determine a proximity of the working fluid (50) to a critical point based on one or both of the determined relative intensity and the determined relative wavelength, and to control an actuator (28, 38) configured to control turbomachinery inlet or outlet conditions in accordance with the determined proximity of the working fluid (50) to the critical point.

152 SYSTEM FOR PROVIDING ENERGY FROM A GEOTHERMAL SOURCE EP15816691.8 2015-12-09 EP3230659A1 2017-10-18 BÉREGI AMNÉUS, Anna-Maria
The present specification generally relates to the field of providing energy and particularly discloses a system for providing energy from a geothermal source. The system is adapted to be efficient at low temperatures of the liquid extracted from the ground and comprises a borehole (100), a heat converting unit (200) and a power generating unit (300). The present invention also relates to a method for providing energy from a geothermal source.
153 VERFAHREN ZUR ERZEUGUNG ELEKTRISCHER ENERGIE SOWIE VERWENDUNG EINES ARBEITSMITTELS EP10713959.4 2010-04-15 EP2432975B1 2017-07-19 BOZEK, Ewa; FENZ, Michael; HIMMLER, Klaus; JOH, Ralph; LENGERT, Jörg
154 CHARGING PUMP SYSTEM FOR SUPPLYING A WORKING FLUID TO BEARINGS IN A SUPERCRITICAL WORKING FLUID CIRCUIT EP14773079 2014-03-13 EP2972044A4 2016-12-14 VERMEERSCH MICHAEL LOUIS
155 VERFAHREN UND VORRICHTUNG ZUR UMWANDLUNG DER WÄRMEENERGIE EINER NIEDERTEMPERATUR-WÄRMEQUELLE IN MECHANISCHE ENERGIE EP07822436.7 2007-11-09 EP2188499B1 2016-09-28 LENGERT, Jörg; LENGERT, Martina; RUHSLAND, Kathrin; WEINBERG, Norbert
156 DEVICE FOR ENERGY SAVING EP14755126.1 2014-07-01 EP3019717A2 2016-05-18 VAN BEVEREN, Petrus, Carolus
Device for coupling a first heat-requiring industrial process to a second cold-requiring industrial process, whereby a first circuit for energy recovery (1) from the first industrial process transfers heat to a second circuit for cold production (2) for the second industrial process, characterised in that in the first circuit for energy recovery (1) the energy carrier is two-phase and is compressed by compressor (7) that increases the pressure and temperature of the energy carrier in the first circuit for energy recovery (1) and is specifically suitable for compressing a two-phase fluid.
157 IMPROVED ORGANIC RANKINE CYCLE DECOMPRESSION HEAT ENGINE EP14749586.5 2014-02-05 EP2954177A1 2015-12-16 JOHNSON, Keith Sterling; NEWMAN, Corey Jackson
An improved heat engine that includes an organic refrigerant exhibiting a boiling point below −35° C.; a heat source having a temperature of less than 82° C.; a heat sink; a sealed, closed-loop path for the organic refrigerant, the sealed, closed-loop path having both a high-pressure zone that absorbs heat from the heat source, and a low-pressure zone that transfers heat to the heat sink; a positive-displacement decompressor providing a pressure gradient through which the organic refrigerant in the gaseous phase flows continuously from the high-pressure zone to the low-pressure zone, the positive-displacement decompressor extracting mechanical energy due to the pressure gradient; and a positive-displacement hydraulic pump, which provides continuous flow of the organic refrigerant in the liquid phase from the low-pressure zone to the high-pressure zone, the hydraulic pump and the positive-displacement decompressor maintaining a pressure differential between the two zones of between about 20 to 42 bar.
158 Device and method for electric power generation EP13166091.2 2013-04-30 EP2660433A1 2013-11-06 Vitri, Giuseppe

An electric power generation device comprising at least a first tank (2) and a second tank (3) for an operating fluid, provided respectively with a first connection means (7) having a respective opening and closing valve and a second connecting means (17) connecting the first (2) and second (3) tanks respectively to an input and an output of a motor means (5) operable by the operating fluid of the device (1); said first tank (2) is associated with a first heat exchanger means (8) powered by a respective circuit (8a, 8b) supplied on command from a first thermal fluid heated by a first heat source and is assigned to heat through the first heat exchanger means (8) the operating fluid contained in the first tank (2) yielding to it the heat taken from said first source.

Said device (1) comprise at least a first opening and closing means (4) equipped with a respective opening and closing valve and connected to the first (2) and second (3) tanks to connect and separate the inner volumes where, starting from an initial equilibrium condition of the operating fluid of the two tanks (2, 3), the valves of the at least a first opening and closing means (4) and the first connecting means (7) are in the closed condition separating the operating fluid of the tanks and is controlled the flow of the first thermal fluid, heated to a temperature higher than the equilibrium one of the operating fluid, in the first heat exchanger means (8) raising the temperature of the operating fluid in the first tank and thereby raising the pressure to values higher than the equilibrium pressure and higher than the pressure of the operating fluid of the second tank (3) until reaching a predetermined temperature or pressure value at the achievement of which it is controlled the valve opening of the first connecting means (7) allowing the operating fluid of the first tank (2) to flow in the second tank (3) through the first (7) and second (17) connecting means and through the motor means (5) actuating it for the operation of a connected electric generator (6) or other users until the pressure difference between the two tanks reaches or falls below a predetermined value at which it is stopped the first fluid flow in the first heat exchanger means (8) and controlled the opening of the first opening and closing means (4) valve until reaching the equilibrium condition of the operating fluid of the two tanks (2, 3).

159 VERFAHREN ZUR ERZEUGUNG ELEKTRISCHER ENERGIE SOWIE VERWENDUNG EINES ARBEITSMITTELS EP10713959.4 2010-04-15 EP2432975A2 2012-03-28 BOZEK, Ewa; FENZ, Michael; HIMMLER, Klaus; JOH, Ralph; LENGERT, Jörg
The invention relates to a method for generating electrical energy by means of at least one low-temperature heat source (2), according to which a VPT cyclic process (1, 10, 100) is carried out. Certain working substances are used to increase the efficiency of the VPT cyclic process.
160 INSTALLATION POUR LA PRODUCTION DE FROID, DE CHALEUR ET/OU DE TRAVAIL EP09754052.0 2009-03-30 EP2283210A2 2011-02-16 MAURAN, Sylvain; MAZET, Nathalie; NEVEU, Pierre; STITOU, Driss
The invention relates to a plant for the producing cold, heat and/or work. The plant includes: at least one modified Carnot machine comprising a first assembly that includes an evaporator Evap combined with a heat source, a condenser Cond combined with a heat sink, a device DPD for pressurizing or expanding a working fluid G T, a means for transferring said working fluid G T between the condenser Cond and DPD, and between the evaporator Evap and DPD; a second assembly that includes two transfer vessels CT and CT' that contain a transfer liquid L T and the working fluid G T in the form of liquid and/or vapor; a means for selectively transferring the working fluid G T between the condenser Cond and each of the transfer vessels CT and CT', as well as between the evaporator Evap and each of the transfer enclosures CT and CT'; and a means for selectively transferring the liquid L T between the transfer vessels CT and CT' and the compression or expansion device DPD, said means including at least one hydraulic converter.
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