1986-06-23
1987-10-27
Makay, Albert J.
49 38, 98 381, 98 941, E06B 710
Patent
active
047021578
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a window with automatic aeration for buildings, which comprises a mobile frame on a fixed frame, three parallel window panes mounted in this frame, a first gap between the outer pane and the intermediate pane and a second gap between the intermediate pane and the inner pane, an aerating circuit with baffles composed of at least one inlet passage arranged at the bottom of the window for connecting outside air to the first gap, at least one intermediate passage provided in the upper part of the mobile frame for connecting the first gap to the second gap and at least one outlet passage arranged at the bottom of the window for connecting the second gap to air within the building, at least one adjusting and closing flap disposed in this circuit and means for controlling this flap, provided with a control member on the inner face of the window.
From French Pat. No. 2,437,484, a window of this type is known, in which the inlet and outlet passages are provided in the mobile frame of the window. This frame is equipped with shutters arranged to limit or stop the circulation of air between the window panes, as well as with members for manual control of these shutters. This window allows aeration of the room in which it is mounted, while ensuring excellent acoustic insulation. However, it presents various drawbacks with regard to its construction and use. In particular, the lower part of the frame, enclosing the shutters and the control members, is relatively voluminous, whereby the free surface of the window panes is reduced. The weight of the mobile frame is moreover greater than that of a conventional frame. On the other hand, it is difficult to solve the problems of sealing at the bottom of the outer window pane in a satisfactory manner, so that operation of the shutters or satisfactory stability of the window are not ensured, if one does not effect regular maintenance. Moreover, with its relatively heavy and voluminous frame, this system is inconvenient on a window of the guillotine type.
Consequently, the present invention has the object of meeting these drawbacks, by providing a window equipped with an air circuit which permits aeration when the window is closed, this window being of simple and sturdy construction, necessitating little maintenance, comprising a relatively light frame, while ensuring good thermal and acoustic insulation.
For this purpose, the present invention relates to a window of the type mentioned in the preamble, characterized in that the fixed frame comprises on its outer surface, at least one inlet opening which is connected to the first gap by the inlet conduit, and in that said flap is mounted on the fixed frame, as well as its control means.
The flap is preferably arranged to be able to shut the inlet opening. This flap may be pivoted round a horizontal axis on at least one support solid with the fixed frame. The shutter is in particular advantageously disposed on the outer face of the window. The pivoting axis of the flap is preferably situated higher than the opening to be shut, the flap being arranged in such a manner with respect to the pivoting axis that it can shut by its own weight.
The means for controlling the flap preferably include a puller comprising a rod arranged to slide in the fixed window frame, a handle fixed to the extremity of this puller on the inner side of the window, the outer extremity of the rod being in contact with the flap, and a latching mechanism with catches permitting locking of the puller in at least two given axial positions. In this arrangment, combined with a flap pivoting around a horizontal axis, the second extremity of the rod and the flap may comprise coupling means for actuating the flap by the puller in one direction and in the other. In that case, the rod is advantageously connected to the handle by spring means.
According to a preferred embodiment, the outlet passage passes through the fixed frame of the window.
This embodiment presents various advantages which will be described hereinafter. In particular, an
REFERENCES:
patent: 141254 (1873-07-01), Bates
patent: 1121542 (1914-12-01), Wegner
patent: 1153067 (1915-09-01), Hackney
patent: 2324139 (1943-07-01), Davis
patent: 2818611 (1958-01-01), Andree
patent: 3034416 (1962-05-01), Powell
patent: 3255688 (1966-06-01), Iwata
patent: 3590913 (1971-07-01), Tschudin
Makay Albert J.
Warner Steven E.
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