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WO/1994/017343A1 |
The invention relates to a pump and refrigeration system including an evaporator (3) from which refrigerant vapour is withdrawn by an absorber (4) and absorbent is recharged by a generator (1). Further, a condenser (2) is provided betwee...
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WO/1994/014017A1 |
An absorption machine and a method for operating the machine are disclosed. The absorption machine comprises an absorber (1) with heat-exchanger assemblies and a generator (2) with heat-exchanger assemblies, the generator (2) and the abs...
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WO/1994/014018A1 |
A high-efficiency simultaneous heating and cooling device comprising a desorbing boiler (3), a separating column (1), a condenser (5), an evaporator (6), a mixing column (2) and a condenser (4). A volatile compound-enriched phase (R) is ...
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WO/1994/013752A1 |
A lye or a mixture of two or more lyes is added to the working substance system of absorption machines which work with ammonia or methylamine as working substance and with water as solvent. The admixture of lye or a lye mixture to the wa...
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WO/1994/006645A1 |
An automotive ammonia absorption refrigeration system with an exhaust powered generator (G). A coolant flow circuit is interconnected with a plurality of evaporators (U, V) for secondary coolant. Conduits (31-37) connect the secondary co...
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WO/1994/007093A1 |
A triple-effect absorption heat exchange apparatus is disclosed for transferring heat from a heat load (12) to a heat sink (14). The apparatus comprises first and second interconnected refrigerant loops. The first loop comprises a first ...
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WO/1993/024794A1 |
The invention relates to an absorption system having a regenerator (17) wherein an absorption process of the absorption of low-pressure ammonia vapor into a weak liquid solution of ammonia-water is carried out in the shell (16) of the re...
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WO/1993/021485A1 |
A regenerative absorption cycle using a super-pressure boiler to achieve a high coefficient of performance. An ammonia/water solution is boiled in high-pressure boiling conduit (66). Boiled-off high-pressure ammonia vapor is condensed (9...
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WO/1993/018355A1 |
A triple-effect absorption refrigeration system is provided with a double-condenser coupling (22) and a parallel or series circuit for feeding the refrigerant-containing absorbent solution through the high (14), medium (16) and low (18) ...
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WO/1993/018359A1 |
In this system, an absorption solution consisting of a common salt and water is circulated through the Immediate Heat Upgrading Absorption (IHUA) air handlers (1a, 1b, 1c, 1d) to upgrade heat taken from a first air mass or water and rele...
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WO/1993/013367A1 |
A compact and transportable solar cooling apparatus having no pipes, no pumps and no expansion valves and using solar heat only as a power source. Semi-permeable membranes are provided as a partition wall between a low-pressure evaporato...
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WO/1993/011393A1 |
The basic apparatus of the invention is a triple effect absorption cycle apparatus, comprising first, second and third generators (G1, G2, G3) each containing an aqueous absorption fluid and operating at successively higher temperatures;...
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WO/1993/009198A1 |
An absorbent for use in absorption refrigeration systems, air conditioning systems, heat pumps or dehumidifiers comprising a solution of potassium formate. The absorbent is relatively non-toxic and relatively non-corrosive towards metals...
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WO/1993/007229A1 |
The specification discloses a method for preparing salt solutions which exhibit desired thermodynamic properties. The method enables prediction of the value of the thermodynamic properties for single and multiple salt solutions over a wi...
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WO/1993/002328A1 |
A refrigeration and air conditioning system for use in vehicles (2) that is an absorption-refrigeration system in which the refrigerant-absorbent mixture is heated through heat pipes (12a) by the waste heat of exhaust gases from the vehi...
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WO/1992/022775A1 |
An improved regenerative absorption refrigeration cycle having a high COP and commercially practicable pumping system. The boiled-off ammonia vapor from the generator is cooled (14) in a regenerator (16), condensed (28), expanded to low ...
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WO/1992/018817A1 |
An absorption refrigeration system (10) having an absorber (26), a generator (12), and refrigeration solution pump (52) which flows relatively dilute refrigeration solution received from the absorber (26) to the generator (12) includes a...
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WO/1992/018816A1 |
An absorption refrigeration system (10) having absorber (26) and generator elements (44) and a solution pump flowing relatively dilute refrigeration solution from a system absorber sub-atmospheric operating pressure to a system generator...
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WO/1992/010269A1 |
A process and a facility are disclosed for reducing the hydrocarbon emissions from petrol stations and filling stations of tank lorries and tankers. The gas mixture to be cleaned is cooled in a first cleaning stage in a material exchange...
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WO/1992/008083A1 |
Apparatus and process are diclosed for increasing the sorbate content of a sorbent liquid beyond the level possible at a defined absorbing temperature and pressure. Specific useful results obtainable thereby are an increase in the effici...
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WO/1992/008252A1 |
The invention relates to a process for the direct conversion of energy. In a closed reaction circuit, a chemosorptive or chemical compound is decomposed in a thermal decomposition cell into its components with the application of heat and...
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WO/1991/018249A1 |
Apparatus and process are disclosed for increasing the quantity of heat exchange possible between the temperature overlap portions of a generator and an absorber in an absorption cycle compressor or heat pump. Referring to figure 1, the ...
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WO/1991/015721A1 |
A temperature (t�hg?) of absorbent liquid when heated and condensed by a regenerator (3 or 5), that (t�r?) of cold water (21a) in the evaporator (1) at the inlet or outlet, and that (t�c?) of cooling water (22) flowing from an abso...
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WO/1991/013301A1 |
This invention introduces an absorption vapor pressure enhancement operation. In the process, a mass of solvent vapor is absorbed into an absorbing solution under a first pressure and an equivalent amount of second vapor is produced unde...
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WO/1991/012471A1 |
An improvement in absorption refrigeration and/or heating system including apparatus (157) to convert the pressure energy and/or phase change energy in the solution and/or refrigerant of the absorption system into mechanical energy with ...
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WO/1991/012474A1 |
The low boiling fraction of a binary system is evaporated by absorption of waste heat in the lower process loop of a washing condenser, and recycled to the washing condenser. The high boiling fraction condensate is used as a washing liqu...
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WO/1991/012472A1 |
A refrigeration and heating system has been made in which improved efficiencies are obtained by placing helical concentric coils of at leat two generators (80 and 81) and recuperators (86 and 85) on a common axis (232) with a heating uni...
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WO/1991/012470A1 |
An integrated three-chamber absorption refrigeration and heat pump system with improved defrost capabilities having a solution pair including a material of unusual fluid stability at higher temperatures when manipulated in an apparatus a...
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WO/1991/011237A1 |
Process involving no heat loss using evaporation, condensation and absorption for thermal separation of absorptive and non-absorptive liquid mixtures, and processes for complete conversion of heat into entropy-free useful work, and a pro...
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WO/1991/008426A1 |
Apparatus and process are disclosed for increasing the efficiency of thermally powered absorption heat pumps which use volatile absorbents. The improvement reduces rectification losses in absorption cycles having at least two generators ...
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WO/1991/000760A1 |
A cooling process and apparatus which utilizes the lower water vapor pressure above a fluid such as water-salt solutions of, for example, calcium chloride, lithium chloride, lithium bromide or mixtures thereof. Heat is then removed from ...
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WO/1990/012848A1 |
An improved absorption cycle apparatus and system using aqueous solutions of metal salts selected from the group consisting of alkali metal hydroxides, nitrites, and alkaline earth and transition metal hydroxides, halides, thiocyanates, ...
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WO/1990/012262A1 |
An absorption refrigeration system having cooling and heating modes of operation functions with a double-effect or ''split'' refrigeration cycle having approximately the same refrigerant concentration span in each cycle loop. The system ...
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WO/1990/010833A1 |
The invention concerns a reservoir with an upper section (11) with the shape of an ellipsoid of rotation. The operating level (12) of the refrigerant solution is at the height of maximum diameter. The level is therefore subject to only s...
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WO/1990/010834A1 |
The invention concerns an expeller with six pump tubes (8) positioned round the circumference of a circle. A weak refrigerant solution is conveyed through the tube by rising vapour bubbles. Heating is by means of six flame tubes (9), als...
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WO/1990/010836A1 |
The invention concerns en evaporator with four concentric tubular coils (9, 10, 11, 12) in a housing (17). Located inside the housing is a dummy tube (18). Refrigerant is passed, split into four streams, through four inlets (19, 20, 21, ...
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WO/1990/003208A1 |
A method of freezing and separation for concentrating solutions, such as waste waters of the process industry, by means of waste heat of the same process, by freezing the solution in a crystallizer (10) operating at the triple point, by ...
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WO/1989/011071A1 |
A thermal engine (10) is operable as a heat pump, refrigerator, or air conditioner. Vaporized working fluid from a first evaporator (12), which extracts heat (Qin) from elements desired to be cooled, is fed to a first region (16) of an o...
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WO/1989/005842A1 |
An absorbent solution for absorbing and desorbing useful quantities of ammonia vapor is disclosed. The absorbent has much lower vapor pressure than water, and has a wider solubility field and higher crystallization limit than any previou...
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WO/1989/005427A1 |
The installation described comprises a high-pressure enclosure (1) and a low-pressure enclosure (2) each having a toric-shaped casing with a common vertical axis. The high-pressure enclosure (1) is located above the low pressure enclosur...
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WO/1989/002302A1 |
A high efficiency open-cycle absorptive approach to compressing steam or other vapor is disclosed, especially useful for industrial evaporation via recompression. Low pressure steam from evaporator (1) is absorbed in an aqueous absorbent...
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WO/1989/002563A1 |
An open-cycle absorption apparatus for compressing steam from a low pressure to a higher useful pressure is disclosed. The apparatus is particularly useful for upgrading low-temperature jacket-cooling heat from an internal combustion eng...
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WO/1989/001119A1 |
Refrigeration is produced by an intermittent absorption cycle. The cycle is driven by solar radiation, and utilizes NH3 as refrigerant and a liquid, preferably H2O, as absorbent. Solar radiation is collected during the daytime or in gene...
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WO/1988/009906A1 |
An energy recovery pump-motor (50) including an energy recovery pump (52) and a mixed-phase motor (54) for replacing conventional valves in fluid circuits such as an absorption refrigeration system. The energy recovery pump (52) pressuri...
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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...
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WO/1988/000319A1 |
A process for transferring heat from a lower temperature material (T1) to a higher temperature material (T2) utilizes a non-azeotropic working fluid mixture and overlapping temperatures in the evaporator (desorber) tube (101) and condens...
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WO/1987/005684A1 |
An absorption refrigeration/heat pump system (20) of the four chamber multiple subsystem type in which an absorption power is employed having a desorber (23), condenser (24), and second desorber (27) combined for more effective heat tran...
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WO/1986/004517A1 |
An installation with a process part (PRT) which is supplied with primary operating energy (P3) via a heat supply part (WVT). The heat supply part (WVT) serves simultaneously also for using the heat (Qo) given off from the process. The he...
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WO/1986/002990A1 |
Cooling and heating system which operates on the absorption and phase change heat exchange principle. More particularly it relates to a continuous heat actuated, air cooled, double effect generator cycle, absorption system (Figures 2 and...
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WO/1986/002715A1 |
Novel thermal energy transfer method consisting of the steps of transferring the vapor, which is generated in a heat generator (1), of a heat medium to an absorption tank (4) so as to be absorbed by an absorbent-containing absorption liq...
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