| More topics under "F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems" (141,905) |
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| F25B 1 - Compression machines, plant or systems with non-reversible cycle (15,293) | | F25B 11 - Compression machines, plant, or systems, using turbines, e.g. gas turbines (650) | | F25B 13 - Compression machines, plant, or systems, with reversible cycle (6,597) | | F25B 15 - Sorption machines, plant, or systems, operating continuously, e.g. absorption type (4,771) | | F25B 17 - Sorption machines, plant, or systems, operating intermittently, e.g. absorption or adsorption type (2,270) | | F25B 19 - Machines, plant, or systems, using evaporation of a refrigerant but without recovery of the vapour (1,164) | | F25B 21 - Machines, plant, or systems, using electric or magnetic effects (7,483) | | F25B 23 - Machines, plant, or systems, with a single mode of operation not covered by groups , e.g. using selective radiation effect (994) | | F25B 25 - Machines, plant, or systems, using a combination of modes of operation covered by two or more of the groups (1,932) | | F25B 27 - Machines, plant, or systems, using particular sources of energy (5,773) | | F25B 29 - Combined heating and refrigeration systems, e.g. operating alternately or simultaneously (6,502) | | F25B 3 - Self-contained rotary compression machines, i.e. with compressor, condenser, and evaporator rotating as a single unit (205) | | F25B 30 - Heat pumps (6,899) | | F25B 31 - Compressor arrangements (3,736) | | F25B 33 - Boilers; Analysers; Rectifiers (669) | | F25B 35 - Boiler-absorbers, i.e. boilers usable for absorption or adsorption (567) | | F25B 37 - Absorbers; Adsorbers (514) | | F25B 39 - Evaporators; Condensers (13,208) | | F25B 40 - Subcoolers, desuperheaters or superheaters (3,071) | | F25B 41 - Fluid-circulation arrangements, e.g. for transferring liquid from evaporator to boiler (17,040) | | F25B 43 - Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat (5,986) | | F25B 45 - Arrangements for charging or discharging refrigerant (2,920) | | F25B 47 - Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass (3,979) | | F25B 49 - Arrangement or mounting of control or safety devices (13,159) | | F25B 5 - Compression machines, plant, or systems, with several evaporator circuits, e.g. for varying refrigerating capacity (3,892) | | F25B 6 - Compression machines, plant, or systems, with several condenser circuits (1,176) | | F25B 7 - Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit (1,593) | | F25B 9 - Compression machines, plant, or systems, in which the refrigerant is air or other gas of low boiling point (9,862) |
| Patents for F25B - Refrigeration machines, plants, or systems; Combined heating and refrigeration systems; Heat pump systems (110) |
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| 08/10/1989 | WO1989007227A1 A method and arrangement for pumping preferably refrigerants | | 07/13/1989 | WO1989006335A1 Refrigerating unit for refrigerator | | 07/21/1987 | CA1224450A1 Strainer device for rotary compressor | | 05/06/1986 | US4586345 Solar energy powered system for the production of cold | | 12/24/1985 | US4560329 Strainer device for rotary compressor | | 05/29/1985 | EP0142606A2 Strainer device for rotary compressor | | 05/29/1985 | EP0142536A1 A solar energy powered system for the production of cold | | 11/22/1984 | WO1984004581A1 A solar energy powered system for the production of cold | | 01/02/1979 | CA1045395A1 Refrigerating process and apparatus therefor | | 09/20/1977 | US4048810 Refrigerating process and apparatus therefor |
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