SU1260477A1 - Construction element with ventilation cavity - Google Patents

Description

The invention relates to the construction and construction of ventilating devices installed in the enclosing structures of residential and public buildings with an increased level of external noise, such as near traffic routes and airways.

The aim of the invention is to improve the heat and sound insulation characteristics, ease of use and service life.

The proposed solution allows to increase the service life of the noise-absorbing cassette by minimizing the ingress of dust, dirt and moisture into the internal cavity of the device.

Fig. L shows a horizontal section of the silencing valve in the closed position; in fig. 2 - the same, in the open position; in fig. 3 - noise suppressor cassette with internal wall, general view.

A building element with a ventilation cavity, mounted in a building fencing, includes a housing 1 with an inner 2 and outer 3 walls. In the outer wall 3 there is an inlet 4. In the housing 1 there is a sound-attenuating cassette 5, one of the lateral sides of which 6 tightly adjoins the side wall of the housing 1, and with

the opposite perforated side 7 forms a channel 8 connecting the inlet 4 to the room.

The inner wall 2 of the housing 1 is attached to a noise-attenuating cassette 5, having the possibility of reciprocating movement along the longitudinal axis.

The width and height of the inner wall 2 is larger than the inner size of the housing 1. On the channel 8 side, the noise-attenuating cartridge 5 in the upper and lower parts is provided with springs 9, and in the upper part with springs 10 and sealing gaskets 11.

In the closed position, the sound-attenuating cassette 5 tightly adjoins the outer wall 3 and overlaps the inlet opening 1 e 4, and the inner wall 2 closes the inner opening of the housing 1.

When moving the noise-mucking kaso; -you 5 along the longitudinal axis to the inside of the room, the access of air opens. At the same time, sound waves surround a sound-muffling cassette 5, pass along its perforated side 7, and are muffled to standard values.

The movement of the noise-attenuating cassette 5 is carried out by a lever-type device (not indicated) by the channel width.

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Compiled by E. Chern VSKA

Editor A. GulkoTehred I. VeresKorrektor T. Kolb

Order 5198/26 Circulation 718 Subscription

VNIIPI USSR State Committee

for inventions and discoveries

113035, Moscow, Zh-35, Raushsk nab. 4/5

Branch PPP "Patent, Uzhgorod, st. Project, 4

Claims (1)

BUILDING ELEMENT WITH A VENTILATION CAVITY installed in the enclosure of the building and including a housing with internal and external walls, the last of which is made with an inlet, and a noise-attenuating cassette, one of the sides of which is closely adjacent to the side wall of the building, and on the opposite side forms a channel connecting the inlet to the room, characterized in that, in order to increase the heat and sound insulating characteristics, ease of use and service life, the inner wall of the housing is attached to a noise-attenuating cassette, and the latter is installed in the housing with the possibility of reciprocating movement along its longitudinal axis until the inlet is blocked while the inner wall of the housing adjoins the side walls _and its walls. ®