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WO/1996/005473A1 |
System for conditioning the atmosphere in at least two separate rooms of a building (1). The system has heat generating means, cold generating means, or a combination thereof (9), and ventilating means (6). The heat generating means are ...
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WO/1995/033960A1 |
Air cooling apparatus has a casing (1) containing two air flow paths (12, 14) through one of which (14) cooled fresh air is supplied to a house, while the other (12) receives stale air from the house. An efficient heat exchanger (10) pre...
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WO/1995/032398A1 |
Frost protection device for the use in a heat exchanger of the cross flow type, where the exhaust air and the outside air passes through flat sheet channels in a heat exchanger cassette and where the device also comprises a supply air fa...
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WO/1995/028609A1 |
A dehumidifier unit for pre-conditioning air delivered to a multiplicity of separate refrigeration air conditioner units and especially ductless systems where the compressor-condenser unit (57-62) is separate from the fan-coil unit, and ...
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WO/1995/027177A1 |
A high level air conditioner in which a gas energy used as a principal refrigeratory (heating) cycle power simply called 8 form cycle consists of a J tube of air energy heat pump, a J tube of supercondensation and a heat pump of differen...
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WO/1995/025935A2 |
An air cooling system and method using recirculating condensate to improve the efficiency of the system, including at least one heat exchanger disposed adjacent to a central cooling unit. Incoming air is drawn through the heat exchanger ...
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WO/1995/022726A2 |
The invention relates to systems for climate equipment for heating and cooling of ventilated air. The equipment is designed to enable supply of both comfort heating and comfort cooling by wasted energy from ventilated air that is heat ex...
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WO/1995/021357A1 |
The invention concerns a device where used ventilation air is used to bring fresh outside air to the desired temperature and next to convey to the to be ventilated space. For this purpose is made use of heat regenerators (6, 7) which ser...
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WO/1995/018338A1 |
An energy recovery ventilator (ERV) for exchanging indoor air with outdoor air. The ERV (1) having a housing including first, and second input ports (11, 12) and, first and second exhaust ports (13, 14), and a heat exchanger core (60). T...
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WO/1995/014890A1 |
Ventilation apparatus for exchange of room air, which can be arranged as separate or joined units in pairs in rooms, for moving air in changing directions. A heat exchanger (20) is arranged in a duct (19) with a fan (23, 24) being arrang...
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WO/1995/014196A1 |
A heat recovery unit (1) for an air heat exchange system comprises a box-like unit shell (12), a counter-flow type heat exchanger (2), a first fan (3) for distributing outdoor air and supply air and a second fan (4) for distributing exha...
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WO/1995/004902A1 |
The invention relates to an arrangement for cooling supply air in an air-conditioning installation, comprising a heat transfer device (3) for transferring heat between supply air (A) and exhaust air (B) by means of heat transfer surfaces...
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WO/1995/002157A1 |
A method and an arrangement for controlling heat transfer in a ventilation apparatus or an air conditioning apparatus, according to which heat contained in exhaust air (B) is recovered into supply air (A) by means of a heat transfer circ...
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WO/1994/020798A1 |
This invention relates to a ventilation installation for larger buildings which is divided into several ventilation cells where the ventilation of each cell is isolated from the rest of the building. It provides a decentralised ventilati...
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WO/1994/018507A1 |
The invention relates to an apparatus in ventilation heat exchangers intended, in the ventilation of buildings, to transfer heat from the warm exhaust air to the cool incoming air, said exchanger (1) including at least one heat accumulat...
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WO/1994/014015A1 |
The regenerative heat exchanger proposed, which operates preferably on a countercurrent-flow basis, uses as its heat-storage unit or heat-exchange element a net-like structure through which the heat-releasing and heat-absorbing gas (air)...
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WO/1994/010517A1 |
A high performance, low cost, regenerator/heat exchanger matrix or bed. The bed consists of numerous stretched elastomer sheets (26) separated by spacers (28) and stacked. The resulting matrix is of the parallel plate type with high poro...
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WO/1993/018360A1 |
A gas-flow heat exchanger comprises a sinuously wound foil strip (11) providing a stack of parallel pockets (12) each of which contains a moulded plastics skeletal insert (13). The insert (13) comprises a flat rectangular frame (14) supp...
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WO/1993/014354A1 |
An air-conditioning unit with a recuperative heat exchanger (24), preferably a plate heat exchanger, in which exhaust-air passages (23) are disposed in cross-flow relation to supply-air passages (20) over a portion of the length of the p...
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WO/1993/013364A1 |
Ventilation device with a heat exchange element, preferably for arrangement in an outer wall (13) of premises which are to be ventilated with balanced volumes of ambient air (15). The ventilation device comprises two separate ventilation...
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WO/1993/010403A1 |
Air-conditioning installation for room spaces (1), comprising a heat transfer device (4) for preheating supply air (A) by transferring heat from exhaust air (B) into the supply air; heating means including a heating source (11) for furth...
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WO/1993/007434A1 |
An air heat exchanger having both heat-exchanging and air-cleaning functions comprises a set of tubular casings (14) which are accommodated in a housing and extend between inlets and outlets of outer boundary walls (3, 4) thereof. In the...
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WO/1993/004332A1 |
A heat exchanger has a main body (10) and a drive shaft (12) in the main body (10). There is a motor (14) to drive the drive shaft (12). A rotor (18) is mounted on the drive shaft (12) and has a central hub (20). Pairs of spaced blades (...
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WO/1993/001452A1 |
To overcome the disadvantages of the conventional heat recovery units used in air conditioners, the heat recovery unit proposed uses a continuous and circulating heat-recovery band as a heat-bearing medium; this can consist of a multi-la...
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WO/1993/001451A1 |
To overcome the drawbacks of conventional single-unit air conditioners, a single-unit air conditioner is proposed in which the conditioning elements (36, 37, 38, 39, 40) are all enclosed in a single conditioning cylinder (25). This can b...
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WO/1992/019922A1 |
An air conditioning system uses heat pipes (124) in combination with a cooling coil (112) to increase either the dehumidification capacity or the efficiency and capacity of an air-conditioning system. In the dehumidification mode, the se...
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WO/1992/018814A1 |
A ventilation system for extracting warm, stale air from a building and transferring heat therefrom to incoming colder, fresher air comprises exhaust bellows (14) for extracting the stale air through a counterflow, high pressure drop hea...
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WO/1992/011494A1 |
A heat exchange process and apparatus are especially suited for use in heat recovery applications, especially in a run-around heat exchanger. The run-around heat recovery system has two liquid to gas heat echangers (10, 12), one for heat...
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WO/1991/008425A1 |
A ventilator with heat exchanger for heat recovering, in particular for recovering of heat from a flowing medium, such as a gaseous flowing medium, and transferring this heat to another colder flowing medium, such as a gaseous flowing me...
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WO/1991/002928A1 |
Heat exchange apparatus comprises first and second heat exchange units (2, 4) with spiral pathways, each unit having a central volute which contains a respective impeller (18, 24). The pathways of each unit are separated by flexible meta...
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WO/1990/015958A1 |
Evaporative air cooling apparatus is provided comprising a water container (7) and an array (5) of discrete lengths (6) of capillary material the lower ends of which depend into the water container (7). The lengths (6) of capillary mater...
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WO/1990/010828A1 |
In an air conditioning unit (10) comprising a supply air duct (12), an exhaust air duct (26), a heat exchanger (15) for transferring heat between supply air and exhaust air, and a watering device including means (20) for supplying water ...
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WO/1990/005880A1 |
A ventilation apparatus which comprises a fan (2), a heat recovery unit (3), exhaust-air and inlet-air openings (4, 5) oriented towards the room space, and air-flow baffles (34, 35). The ventilation apparatus is made up of an oblong, tal...
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WO/1990/004743A1 |
A system of interconnecting a plurality of users (42) of low-grade thermal energy exchange has a number of users (42) which are heat sources and a number of users (42) which are heat sinks to balance heat flux. Heat is exchanged between ...
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WO/1990/004138A1 |
A method for conditioning supply air in respect of its temperature in a recuperative heat exchanger (63) through which the supply air and exhaust air flow in heat-exchanging relation comprises supplying water to vertical walls of exhaust...
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WO/1990/001667A1 |
Apparatus for switching the flow paths of two fluids (50E, 52E) passing through a housing between passage-defining walls (30) between upper openings and lower openings (26, 28) in the end-walls of the housing can be guided for straight-t...
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WO/1989/005947A1 |
The invention relates to a method and apparatus for controlling the fresh-air, input-air, exhaust-air, waste-air and return-air flows, as well as the air pressure in the input-air duct and the air pressure in the exhaust-air duct, in an ...
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WO/1989/003317A1 |
In a casing (1) of a heater/air-cooler and additional partition (13) is mounted between the wall of the casing (1) and a main partition (2) so as to provide a section (14) to allow the passage of the heat carrier used. Heat-transferring ...
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WO/1988/008944A1 |
The invention concerns a ventilation means (10) comprising at least one fresh air intake duct (11, 110), and said ventilation means (10) comprising a means producing air flow circulation, fresh air being introduced through the intake duc...
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WO/1988/006702A1 |
In most houses there is a primarily heated room, e.g. a living room, in which a uselessly overheated amount of air will be present just underneath the ceiling. It will be unprofitable to exploit this excess heat in a ventilation and heat...
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WO/1988/004757A1 |
The indenpendent unit for heat exchange particularly for the ventilation and air conditioning of a room or premises is configured like a box (12) wherein are formed two passages (40 and 42) having an undulated shape and wherein circulate...
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WO/1988/004756A1 |
Turbomachine for conveying two media by means of two separate flow paths, in particular to convey two media of the same type having different calorific capacities and for transferring thermal energy from the hotter medium to the colder m...
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WO/1987/001436A1 |
An air conditioner wherein supply air is first passed through the supply air passages of an air-to-air heat exchanger (1) then over a first refrigerant-to-air heat exchanger (2), into the space to be air conditioned, and return air from ...
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WO/1986/007129A1 |
Supplied air is sucked into a tower (1) on top of the roof, heated by heat exchangers (8, 10) and blown into the working area of the locals. The cooled water or brine quantity (17, 19) is used for the cooling and condensation of exhaust ...
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WO/1986/006461A1 |
A ventilation system for a building (10) having a dust laden interior atmosphere and includes an air inlet (20) and an air outlet (21) opening outwardly through a peripheral wall in laterally spaced relation. An elongated duct (9) is dis...
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WO/1986/002684A1 |
A ventilated floor comprising a spacer member (4) resting on a sleeper floor (1) and forming air ducts (6) in connection with the sleeper floor (1). A load carrying layer (7) with a floor covering (8) is disposed on the spacer member (4)...
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WO/1986/002683A1 |
A method of ventilating a floor in a building, comprising the step of positively causing air to flow in a ventilation space (6) between a sleeper floor (1) and an upper floor (8). The air sucked into the ventilation space is taken at a t...
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WO/1986/002145A1 |
In order to reduce the energy requirements of a room (2) of a building (1) ventilated by a ventilation installation (11, 17), there are provided for the windows (4) and for non transparent portions of outer walls thermotransmission coeff...
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WO/1985/002668A1 |
Wind guard device for the purpose of sustaining a gentle flow of gas in a gas passageway (6, 8, 11) between a building and the atmosphere surrounding the building and of reducing the wind effect of the atmosphere on the flow of gas, in c...
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WO/1984/003756A1 |
An air-conditioning system, where incoming air (1) is led through a heat exchanger (5) and through the same heat exchanger exhaust air (2) is led in the opposite direction. The object is to use the heat exchanger for cooling the incoming...
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