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Patent Searching and Data


Matches 701 - 750 out of 7,543

Document Document Title
WO/1996/032531A1
Steam (preferably clean steam) having less noncondensible gases than steam produced by conventional black liquor flashing is produced from hot black liquor from a digester of a pulp mill. A heat exchanger (19) is utilized and the hot bla...  
WO/1996/029844A1
The invention concerns a heating device (10) for heating a solid or liquid medium (11). Disposed on the periphery of a rotor (15, 18) are a plurality of permanent magnets (22, 24) which generate a magnetic field in the region of which th...  
WO/1996/029845A1
The invention concerns a device (10) for heating a solid or liquid medium (11), the device having a rotating part (15, 18) with, disposed round its circumference, several permanent magnets (22, 24) which generate a magnetic field in whic...  
WO/1996/025990A1
A liquid vaporizer (100) includes a stack of coaxially aligned, thermally conductive, thin, flat disks (120) having different diameters. The larger diameter disks (140) each include at least one aperture and preferably a plurality of clo...  
WO/1996/023181A1
A hole in the earth for transferring geothermal energy from the earth around the hole to an energy carrier fluid which is introduced into the hole. According to the invention the lower ends (7, 8) of at least two substantially vertically...  
WO/1996/020377A1
The proposed method of obtaining energy involves feeding a liquid phase substance into a treatment zone where cavitation bubbles are created in the substance by producing a fluctuating pressure with constant and variable components based...  
WO/1996/011366A1
Materials of all kinds are converted and their intrinsic energy released and applied to the container walls as heat by one or more light sources in an airtight container. The heat can be used to produce stema, hot water, heating water an...  
WO/1995/033968A1
The present invention relates to a fluid heating system (10) to be used in connection with a boiler or the like and more particularly relates to a heat exchanger type device which can supply a large quantity of hot fluid such as water wi...  
WO/1995/030864A1
In a borehole (2), a pump (22) at the bottom end of a flow duct (20) is surrounded by a shroud pipe (18) which terminates at a distance (a) from the bottom (8) of the bore-hole (2). Extending radially around the outside of the shroud pip...  
WO/1995/023942A1
The application concerns a method and a device for producing heat energy by contacting water with hot oil in a reaction vessel (11), which leads to a violent reaction outputting a flame-like eruption of very hot gases, the generated heat...  
WO/1995/015466A1
The thermal extraction system and method utilizes a geothermal heat source to provide thermal energy at the surface by drilling a bore hole (12, 41, 42, 72, 102) into the geothermal heat source and equipping the bore hole with a casing (...  
WO/1995/014896A1
In the process of the invention, oil is circulated in a sub-oil installation (8) in an open circuit and thus heated owing to the movement and the heat losses from the individual components in such a way that the energy stored in the oil ...  
WO/1995/013508A1
It is disclosed a device for conversion of kinetic energy from an external source, e.g. wind or flowing water, into thermal energy, by means of internal friction in a liquid. The device comprises a pump (2) connected to a shaft (10) rece...  
WO1994021889A3  
WO/1994/027097A1
In the heating process, especially for dwellings, using a powdered or granulated mixture of plastic and a stabiliser which is fluidised in a dry mixer with air, whereby water circulating in a heating circuit flows around the outer wall o...  
WO/1994/021889A2
A first aspect of the invention provides a method of extracting fluid from a reservoir (7) of said fluid comprising the use of geothermal energy. Preferably, the method comprises the drilling of a well (1) into an area of geothermal ener...  
WO/1994/018510A1
An improved ground source heat pump system wherein the subterranean piping installation comprises modular heat exchange units. Each modular heat exchange unit (36, 38, 40) comprises a plurality of parallel secondary or branch conduits (5...  
WO/1994/018121A1
A silica product preferably obtained from geothermal water, its uses (e.g. with paper) and preparation. It has a tertiary aggregate structure (preferably of Type I, II or III as defined in EP 0396242) with an average secondary particle d...  
WO/1992/018815A1
A device for tapping and converting thermal energy. A method and a device are provided for tapping thermal energy from any source or deposit regardless of its temperature, wherein a refrigerating device for absorbing calories from withou...  
WO/1991/018205A1
The device proposed has a pipe (3) sunk into the Earth's crust and designed to convey to the surface a fluid heated by geothermal energy, possibly in vapour form. The device also has a second, outer, pipe (2) surrounding the conveyor pip...  
WO/1991/003690A1
The Hot-Weak-Rock process avoids the technical limitation of the Hot-Dry-Rock process that, from a given depth, the shear forces building up in the rock for releasing the heating area through hydro-frac cannot be overcome. The hot-weak-r...  
WO/1990/008862A1
A building (1) where steel plates (2, 8, 9) are used partly as heat transporting elements to and from the heat magazine and constant heat area of the earth and partly as load-bearing elements. The steel plates (2, 8, 9) maintain a signif...  
WO/1989/012728A1
An in-well heat exchange method for improved recovery of subterranean fluids with poor flowability. The method includes conducting a fluid from a subterranean formation (F) through a well in fluid communication therewith to the surface, ...  
WO/1989/004913A1
A steam plant which includes a steam driven turbine (237), and a condenser (254) in which the steam exhausted from the turbine is condensed, the condenser (254) being at least 200 metres above the level of the turbine (237) and preferabl...  
WO/1989/001114A1
An impeller (10) for frictionnaly heating liquid is arranged that upon rotation thereof in a liquid reservoir, liquid is forced from the exterior of the impeller (10) through passages (20) having restricted orifices (24) therein to an in...  
WO/1988/009468A1
A binary compression heat pump or refrigerating machine comprises a degasser (12) connected in a solution circuit to a resorber (20) through a branch line (18) with at least one incorporated solution pump (36) and a second branch line (3...  
WO/1988/007652A1
Reservoirs for liquids, essentially provided with several, or at least one means of generating energy, capable, for example, of being heated by solar radiation with a supply of thermal circulation heat, by the incineration of rubbish, wi...  
WO/1988/007507A1
A process for aerobic, fermentative hydrolysis, in particular for composting organic materials (1), is carried out in a closed container (5). Fresh air (7, 26) is fed into the organic materials (1). The warm moisture-laden outgoing air (...  
WO/1988/007161A1
The invention relates to a method for recovering latent heat from a heat transfer medium comprising a mixture of water and alcohol, which is circulated through a closed system through a heat collector and a heat exchanger for heat exchan...  
WO/1988/007159A1
An installation for the exploitation of atmospheric and terrestrial heat comprises a solid absorber (5) with storage capacity, located in the open, having a heat-withdrawal/heat-exchanger system built on grown soil for withdrawing heat f...  
WO/1988/007160A1
To produce an outgoing or incoming heat flow in a body of low thermal conductivity less than 20 W/mK (5) and of finite or quasi infinite size, a device (20) is connected thermally on at least part of its surface to a monobloc (5) having ...  
WO/1988/002461A1
A heating system of the portable, installed or other type in which the heat source is an apparatus in which a body of liquid is heated by friction produced in the liquid by a rotating body (30) immersed in the liquid and the heated liqui...  
WO/1987/007676A1
A thermodynamic cycle with a gaseous working medium which is alternately compressed and expanded, in which a working medium is used that at the higher temperature following compression experiences an increase in volume as a result of che...  
WO/1987/007000A1
The hydraulic friction heat generator (26) has a cylindrical housing (56) through which passes a motor driven drive shaft (28) along the longitudinal axis. A plurality of discs (98, 98A) are mounted on the shaft. Each disc has two or mor...  
WO/1987/002121A1
A heat-carrying fluid is circulated through an air-permeable screen for cooling said screen. Then, ice is formed on the surface of the screen due to the humidity of the air. The circulation of the fluid is interrupted periodically while ...  
WO/1987/000716A1
Method and apparatus for video holographic generation, and for generating television signals of a visual scene for viewing in three dimensions and holographic reproduction, comprises one or more conventional cameras (14). Synchronizing b...  
WO/1986/000124A1
Geothermal energy is recovered from an underground zone of relatively hot strata via a borehole into which is inserted a heat pipe system containing a working fluid, the heat pipe system comprising an assembly of two tubes (2, 3) in conc...  
WO/1985/003994A1
Method and deep well for extracting geothermal energy wherein the geothermal energy is extracted from the well depth by a heat conveying agent and transported to the surface. After extraction of the heat, the heat conveying agent is retu...  
WO/1985/002458A1
Method and equipment for the utilization of the freezing heat contained in water as a source of heat of a heat pump. The water flow to be utilized as the source of heat is evaporated in one or several stages (4) at such a low pressure th...  
WO/1985/001791A1
The invention relates to heat treating machines. It relates to a machine of the in line type which comprises a tunnel (1), displacement means (2) for conveying the articles or products to be heated from the inlet of said tunnel to its ou...  
WO/1985/000420A1
Method for tempering a liquid and device for implementing such method, wherein the heating of the liquid is carried out by acoustic waves (ultrasounds) and wherein the temperature measurement is effected by a probe immersed into the liqu...  
WO/1984/001815A1
Solar collector arranged to heat a heat-conveying fluid, said collector comprising a heat absorption wall (1) comprised of at least two panels (6, 7) inclined with respect to each other to form a dihedron and at least one conduit (4) for...  
WO/1984/000410A1
A flameless nitrogen liquid to gas converter for providing high pressure nitrogen gas to treat oil and gas wells. A diesel engine prime mover (14) drives hydraulic pumps (16, 18) and motors (20, 22) to pressurize nitrogen and actuate a c...  
WO/1984/000379A1
A line of human blood cells which have high levels of oxidative activity (such as oxygenase, oxidase, peroxidase, and hydroxylase activity). Such cells grow in suspension culture, and are useful to determine the mutagenicity of xenobioti...  
WO/1983/004299A1
In a solar collector, an absorber element (2) is enclosed between a supporting panel (3) and a transparent cover (1). The supporting panel is compression moulded of a fiber material with a thermosetting binding agent to a generally troug...  
WO/1983/003661A1
A solar heating device wherein a flexible-walled container of reinforced thermoplastic material serves as a solar fluid heater. The flexible-walled container is formed of fabric reinforced sheets of fluoroplastic material such as polytet...  
WO/1983/002149A1
The installation for heating a liquid (1) by solar power with at least one solar collector (7) is arranged so that it does not require a rotary pump and excludes the danger of heated liquid returning back to a collector (7) cooled during...  
WO/1983/001759A1
A cogeneration plant (Fig. 1) for a site having an expected daily thermal load (11, 12). In one embodiment, the plant includes a heat engine/electrical power generator set (18) and a heat storage unit (22). The engine/generator set is si...  
WO/1983/001831A1
A solar-heat absorbing device comprising two elongate, thin, flexible lengths of material (41, 42) joined together along lines (44) in a manner such as to form fluid channels (45) between the material lengths. One of the material lengths...  
WO/1983/000379A1
According to the method, the heat is collected from a pipe-work of waste waters by means of a heat pump. To obtain a high degree of efficiency and to maintain the temperature of waste waters at a relatively high level, the heat pump uses...  

Matches 701 - 750 out of 7,543