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WO/2001/016530A2 |
The present invention refers to heat exchange devices and intended for use in ventilation and air conditioning systems where the heat carriers do not mix with one another. The invention applied comprises a casing (101) and an impeller of...
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WO/2001/011292A1 |
A ventilation arrangement for a building, comprising an exhaust air duct (11) with a fan (9), a supply air opening (22) for outdoor air (15), and an air circulation installation for circulating of air (1, 2) in the building, wherein the ...
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WO/2001/001045A1 |
The invention relates to a method of adjusting mass flow in a liquid circuit transferring energy, the liquid circuit being part of an arrangement wherein one or more devices (1) emitting energy and/or one or more devices (2) receiving en...
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WO/2000/061997A1 |
The invention relates to refrigerating or air conditioning systems comprising at least one exchanger (2, 3). The system uses a refrigerant fluid according to a thermodynamic cycle comprising at least one liquid-vapor expansion phase. Acc...
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WO/2000/046554A1 |
Ventilation unit comprizing a supply and a discharge from and the outside air, as well as a supply and a discharge for the room to be ventilated. The ventilation unit comprises at least a first heat exchanger and a cooling unit, and a se...
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WO/2000/040905A1 |
An apparatus and method for heating and ventilating a farm enclosure. The apparatus includes an energy exchange unit for preheating fresh intake air delivered to the enclosure. The unit has a first air manifold on its upper end including...
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WO/2000/034719A1 |
The invention relates to a method and an arrangement for recovering heat and moisture, wherein air to be supplied to a room (1) is preheated, whereafter heat and/or moisture from exhaust air is transferred to or from the air, and next, t...
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WO/2000/032994A1 |
The invention relates to a ventilation arrangement for buildings with heat removal from an exhaust air flow (L¿Ab?) discharged from the building and/or from a fresh air flow (L¿Zu?) supplied to the building. Said arrangement comprises ...
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WO/2000/031474A1 |
The invention relates to a supply air device in connection with a radiator, the device being connected to a supply air channel system (4, 6, 10) and intended to direct the supply air via a radiator (1) into the room, the device comprisin...
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WO/1999/067576A1 |
A method for climate control of a room (10) with walls (11) and a ceiling (12), ambient air being conducted to an internal enclosure in the room (10) as inlet air via devices (16) for control of humidity and temperature, and used air bei...
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WO/1999/060307A1 |
A heat recovery ventilator (100) includes four regenerative heat exchangers (102A-102D), two blowers (112, 114) and a rotating air switch (116) all disposed in a compact housing (122).
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WO/1999/057491A1 |
The invention concerns a method and a device for variable flow heating for controlling ventilating fresh air room by room in a building. The invention is characterised in that said method provides sequential control of the air using a ce...
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WO/1999/047865A1 |
The fresh air, outgoing air or vacuum air system is conducted via a heat exchanger (20) (duct in the ground - pipe in pipe-vacuum - counterflow - heat recuperation system with passive burglary and fire detection equipment) in order to pr...
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WO/1999/043992A1 |
The invention concerns a modular, prefabricated and integrated device for heating and ventilating the premises (1) of a building, comprising a first duct for intake of outside air (5) comprising an external air inlet orifice (15) through...
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WO/1999/035445A1 |
A ventilation unit (30), which does not require large air conduits (16) is combined with a decentralized heating or cooling system (37). The system includes at least one fresh air intake (16); a fan (21) operatively connected to the at l...
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WO/1999/018396A1 |
The invention concerns an apparatus for purifying air breathed in by human beings, said purification resulting from frequent renewal of air in premises by inputting fresh air from outside. The combination of the different parts constitut...
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WO/1999/013283A1 |
A heat exchanger (1) for exchanging heat between first and second fluids. A heat exchanger housing (2) defines an inner wall which may be of circular cross section in a direction perpendicular to a longitudinal axis of the housing. A sta...
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WO/1999/013272A1 |
The invention relates to a suction and filtering system (10) to obtain and process fresh air, comprising an air feed device (12) consisting of at least one air collector tank (13) and at least one respective air suction device (19) conne...
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WO/1999/010694A2 |
Method for producing a heat exchanger (WT) for recovering heat energy during air exchange in housing or office space. Said heat exchanger contains a stack-like arrangement of equal, narrow air chambers which are constructed by spacers (A...
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WO/1999/002922A1 |
A heat recovery ventilator (100) comprising a housing (122) containing four regenerative heat exchangers (102A, 102B, 102C, 102D), two blowers (112, 114) and a rotating air switch (116).
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WO/1998/049510A1 |
In this application a device, system and method especially for repair work due to damage caused by moisture and mould are described. The device and system are capable of dehumidifying the space under treatment and also of filtering impur...
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WO/1998/043023A1 |
The invention relates to a method and arrangement for controlling indoor climate of a building by means of air conditioning. The invention comprises at least some of the following process steps: control of indoor air quality, control of ...
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WO/1998/043024A1 |
An energy conserving air conditioning system having a superior dehumidification capacity has been developed, by raising the processing temperature of regeneration air for regenerating a desiccant material in a desiccant-assisted air cond...
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WO/1998/029697A1 |
The invention relates in particular to a method for ventilating, in an energy-saving, controlled manner, an individual residential room, and to a device for implementing said method. A room (R) contains room air at room temperature (TR)....
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WO/1998/019763A2 |
A rotary heat regenerator wheel (50) in which one or more performance characteristics, such as heat exchange efficiency and air flow, can be adjusted during manufacturing, during or after installation and/or after use of the regenerator....
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WO/1998/015784A2 |
A counterflow heat exchanger for gaseous media, especially an air heat exchanger, for the ventilation of air in buildings comprising a heat exchanger drum through which heat emitting and heat absorbing gaseous media flow alternately. Act...
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WO/1998/006982A1 |
Apparatus and method for removing stale air from a residence or other enclosed space, and replacing that air with fresh air from outside the enclosed space. Stale air outlets (14) are placed at the ceiling in one or more locations throug...
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WO/1998/001711A1 |
The invention relates to an air-conditioner having two heat-recovery units (10, 12), each of the heat-recovery units (10, 12) being traversed by a first flow channel system (14) and a second flow channel system (16). The heat-recovery un...
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WO/1997/035152A1 |
Ventilation device, with a heat exchanger element (15) for interchangeable blowing of air to and from a room, such as a living room or office room, in which the heat exchanger element is rod- or dish shaped with penetrating passages. At ...
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WO/1997/034112A1 |
An air conditioning and/or heating method and device with a high energy efficiency ratio for multiple-unit buildings (5), including at least one centralised apparatus (1) exposed to the outside of the building for generating heating or c...
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WO/1997/028412A1 |
The invention relates to a heat recovery unit comprising a casing (1), which encloses at least one regenerative heat accumulator (5), whereby the casing (1) has a supply air opening (10), an exhaust air opening (15), an exterior air open...
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WO/1997/021059A1 |
The invention concerns a device for treating and producing fresh air in an air-delivery system disposed in a bed (22, 24, 26) of solids particles, the device comprising an air-collector shaft (1) and connected thereto an air-extraction p...
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WO/1997/015794A1 |
The invention relates to a method and arrangement for conveying heat, in which heating or cooling capacity is conveyed from the exhaust air (B-B') of ventilation or air conditioning of standard rooms into inlet air (A-A') by means of an ...
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WO/1997/015790A1 |
A ventilation system (1) comprises a heat exchanger (3) for transferring heat from outgoing air to the fresh air supply suuplied to a room from an outside environment. The ventilator system is free standing and may be mounted on wheels (...
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WO/1997/015793A1 |
The climate control system comprises a ventilator (1) controlled by control means (9), and a switch (30) connected to the ventilator system (31) in such a way that the ventilator system may work at either a high speed or a low speed. The...
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WO/1997/012181A1 |
A room air management device with a treatment unit including (a) means (2, 3; 5) for combining the air flows entering, exiting and circulating in the room in said treatment unit, (b) means for determining characteristic parameters of the...
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WO/1997/011318A1 |
The invention relates to a method and an arrangement for recovering heat, in which heat is recovered from exhaust air by a heat recovery unit (2) on the exhaust side and the recovered heat is transferred to the supply air. To eliminate t...
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WO/1997/010476A1 |
A heat exchanger (40) for dehumidifying a stream of air including heat conducting channel walls (42) which serve as the heat exchange surface for precooling and reheating air during the dehumidification process. Cooling conduits (48) are...
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WO/1997/006390A1 |
The combined air exchange and air conditioning unit (10) is used for conditioning air in a conditioned space. The unit (10) comprises an exhaust air chamber (20), a return air chamber (30), a supply air chamber (40), and a fresh air cham...
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WO/1997/003324A1 |
A heat exchanger core assembly is disclosed, for use in a ventilation system to extract heat and/or moisture contained in an air stream and transfer the so extracted heat and/or moisture to another air stream. This assembly comprises a c...
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WO/1996/041107A1 |
A desiccant assisted system comprising a first path (13) for process air extending from an exit of an enclosed space in series through a first zone (22A) of a desiccant wheel (22), a first zone (24a) of a heat exchange wheel (24) and an ...
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WO/1996/039603A1 |
A method of operating a hybrid air-conditioning system (10) comprises the steps of: (a) passing process air (51) through a moisture transfer wheel (52) to raise the dry bulb temperature; (b) passing the process air (51) leaving the moist...
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WO/1996/035083A1 |
The invention provides systems and methods for heating and cooling fresh air entering a building with stale air exhausted from the building. Fresh air is passed between and orthogonally over some of a plurality of corrugated metal sheets...
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WO/1996/032611A1 |
A fresh air heating unit has a casing (2) containing a stale air flow path (25) and a fresh air flow path (14). Combusted gas products from a gas burner (29) are mixed with the fresh air to heat it to a desired temperature before it is d...
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WO/1996/031740A1 |
System for balanced regulation of indoor temperature, especially adapted for living quarters (15) in smaller buildings, the system thereby comprising an enclosed heat pump aggregate (16) containing a filter (10) in one wall for cleaning ...
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WO/1996/027767A1 |
The present invention relates to an arrangement in connection with an air conditioning unit, comprising means (15, 16, 19, 20) for conveying exhaust and supply air through the air conditioning unit, a heat recovery unit having at least t...
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WO/1996/026408A1 |
A contra flow air to air heat exchanger, and an evaporative air conditioner employing such a heat exchanger, wherein the heat exchanger (10) utilises a series of stacked plates (24), each having curved deep groove corrugations which form...
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WO/1996/023185A1 |
A hybrid air-conditioning system (10) for a building space includes a first fan (56) for passing process air (51) from an ambient space through an evaporator coil (50) through a first zone (52a) of a rotatable moisture transfer wheel (52...
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WO/1996/022497A1 |
The invention relates to a process and device for cooling and cleaning surface elements (52) of a plate heat exchanger (10) to recover heat from outgoing air by spraying water into a stream of outgoing air (16). Wetting nozzles (38) are ...
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WO/1996/012145A1 |
A heat exchange ventilator (10) for fitting in a circular aperture in a wall or window of a building consisting of a heat exchange unit (12) of circular cross section, the unit (12) having concentric annular passages (16) extending for a...
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