Ventilation – Having inlet airway – Sleeved vent for ceiling – wall – or floor
Patent
1996-11-27
1998-09-01
Joyce, Harold
Ventilation
Having inlet airway
Sleeved vent for ceiling, wall, or floor
362 96, 454273, F24F 7007
Patent
active
058002618
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a device for an air valve, especially for use at a fresh air inlet through a wall of a living room, and wherein the device comprises an accumulating vat or receiver which preferably consists of metal, plastic or another air-tight material, and wherein the accumulating vat is adapted to be attached tightly to the wall around the internal valve opening, and wherein the accumulating vat is divided into an external room and an internal room, connection between the rooms being established.
Modern house building methods require to a very large extent the use of vapour barriers, such as plastic foils and the like, inside the walls. This results in too tight buildings. This is unfortunate in houses, flats and cottages lacking mechanical ventilation. The same applies also to rooms in which many people are gathered, e.g. class rooms and the like, and in older buildings lacking mechanical ventilation plant. Even in buildings in which mechanical ventilation has been mounted, the buildings become too tight, because the mechanical ventilation plant is sometimes closed, or when the same does not funtion according to the presupposition.
Especially in living rooms or other places where there exists a requirement for sound reduction, a mechanical ventilation plant is often less favourable, not least because of the noice.
More recently it has also been ascertained that ordinary ventilation plants in themselves represent a not insignificant pollution source.
Houses and flats are usually equipped with fresh air valves in windows or have fresh air inlets mounted at a high level in the outer walls. This functions as an air supply in the warm part of the year. In winter time or other times of the year where outdoor temperatures are relatively low, the inflowing air seems draughty and cold. I most cases, this results in a closing of the valve. The consequence is that the house does not "breath" such as required by modern building methods in order to be warrentable.
When the house becomes too tight, this gives i.a. favourable conditions for the growth of mould/humidity, development of micro organisms, bacteria and virus. In its turn, this is a contributory factor to growth of allergy and asthmatic sufferings. This is a very serious and growing problem in all countries in which building is conducted according to moderne principles.
Unfortunately, closed valves are common, resulting in--without the inhabitants in many cases being aware thereof--that modern houses some times may be directly injurious to health.
From NO patent No. 63925, it is previously known an arrangement in an air valve for use with a fresh air inlet through a wall of a living room where the air valve is placed adjacent the floor, outside a radiator for heating the living room, and where the device comprises an accumulating vat or receiver adapted to be tightly attached to the wall around the internal valve opening, and wherein the accumulating vat is divided into an outer room and an inner room, a lowermost connection being established between the rooms, and wherein the inner room is very narrow and positioned close to the radiator, so that the fresh air flowing through the two rooms of the accumulating vat is supplied with heat from the radiator, before it flows out into the living room through an uppermost slot in the inner room of the accumulating vat or receiver.
Two large disadvantages of the device according to NO No. 63925 are 1) that the device is dependent on a radiator, 2) that the device is dependent on that the air valve in the wall is positioned adjacent the floor where the radiator is located, air valves usually being placed high up on the wall. This means that existing air inlet cannot be used with the device, and that a new hole must be bored or drilled in the wall for a new air valve to be used in connection with said device.
From NO patent No. 56816 and NO patent No. 57180, arrangements in air valves of similar kind as the above described device according to NO patent No. 63925 have been previously known, but thes
REFERENCES:
patent: 396187 (1889-01-01), Worthington
patent: 1555579 (1925-09-01), Howell
patent: 4222316 (1980-09-01), Adam
Joyce Harold
Legabeam Norge AS
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