US973309A

US973309A - Ventilator and exhaust.

Info

Publication number: US973309A
Application number: US53745710A
Authority: US
Inventors: Albert F Schwannecke
Original assignee: Individual
Current assignee: Individual
Priority date: 1910-01-11
Filing date: 1910-01-11
Publication date: 1910-10-18
Anticipated expiration: 1927-10-18

Description

A; F. SOHWANNEOKE. VBNTILATOR AND EXHAUST.

APPLICATION FILED JAN. 11, 1910.

Patented Oct. 18,1910.

g ggw WITNESSES.

' ATTORNEYS THE mmn s pnzns co., WJsNINGrDN, n c.

rinrrn ALBERT F. SGI-IWANNECKE, OF NEW YORK, N. Y.

VENTILATOR AND EXHAUST.

Specification of Letters Patent.

Patented Oct. 18, 1914).

Application filed January 11, 1910. Serial No. 537,457.

To all wh0m it may concern:

Be it known that I, A BERT F. SoHwAN- NECKE, a citizen of the United States, and a resident of the city of New York, borough of the Bronx, in the county and State of New York, have invented a new and Improved Ventilator and Exhaust, of which the following is a full, clear, and exact description.

This invention relates to certain improvements in that type of ventilating or exhausting device, which is adapted to be perma nently or detachably supported adjacent the upper or lower edge of a window to permit of a circulation of air to or from the room, without the production of a direct draft.

In my improved device, I provide a tubular member having air ports at its ends communicating with the outside atmosphere, and air ports intermediate its ends communicating with the interior of the room. By means of this construction, no snow or rain can blow directly into the room through the device, and the tubular member itself serves as an ejector or as an injector, dependent upon the relative temperatures of the inside and outside atmosphere. The air after entering through the ports in the sides of the tubular member is prevented from blowing directly into the room, but is deflected upwardly, so that it will become thoroughly mixed with the air already in the room.

The invention may assume various different forms and the details may be revised at will without departing from the spirit of my invention.

One specific form of the device will be described hereinafter, and the scope of the invention defined in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures, and in which Figure 1 is a perspective View of a device constructed in accordance with my invention; Fig. 2 is a transverse section therethrough, said section being taken approximately on the line 2-2 of Fig. 3; Fig. 3 is a longitudinal section through the tubular member secured in position above the window, said section being taken approximately on the line 3-3 of Fig. 4: Fig 4 is a top plan View of the device shown in Fig. 3, the window casing being shown in section;

Fig. 5 is a top plan view of a ventilator adapted to be detach-ably supported below the window, the window casing being shown in section; and Fig. 6 is a transverse section through the ventilator shown in Fig 5, said section being on an enlarged scale and. taken approximately on the line G6 of Fig. 5.

My improved device in its preferred form, includes a body portion 10, substantially of tubular form and circular in cross section. From this body portion, there is a lateral extension 11, having a top wall 12, substantially tangential with the body portion, and a bottom wall 13 parallel to the top wall 12 and extending substantially radially of the body. Thus, the extension is of a depth approximately equal to one-half the radius of the body portion. These relative proportions need not necessarily be maintained. The ends of the tubular body portion are open and covered with wire gauze 14, which prevents the admission of insects or particles of foreign matter, without materially impeding the flow of the air. These two ends of the tubular body portion comprise the air outlet ports when the device is used as an exhaust above the window, and serve as air inlet ports when the device is used as a ventilator below the window. The two

walls

12 and 13 are adapted to be disposed between the edge of the window casing and the window sash, to support the tubular body portion outside of the window and with its axis substantially parallel thereto. The extension 11 has end walls 15, substantially in the plane of the gauze walls 141, and the top wall 12 terminates at a considerable distance from the inner end of these walls, so as to leave a long passage or port 16, through which the air may pass from the interior of the extension to the interior of the room, or vice versa. The extension 11 carries a flat wall. 17, which may also terminate at a distance below the top wall 12, so as to increase the width of the air passage 16, as indicated in Fig. 2, if the device is to be used above the window and as an exhaust port, but if the device is to be used below the window as a ventilator, the extension is made of somewhat greater depth, as is illust-rated in Fig. 6 and the front wall 17 is exto the extension through two

ports

18, 18, disposed adjacent opposite ends of the body portion and in the wall thereof opposite to the extension. These ports are covered with gauze, so as to prevent the admission of any foreign body to the interior of the room by way of the extension. As an additional means for permitting the escape of air from or the entrance of air to the body portion, I may provide a port in the lower side of the body portion, midway between the ends. The necessity for this port and the size of the port, will depend upon the form of the window sill, the position of the window in respect to adjacent buildings, and various other conditions which may affect the air currents in the vicinity of the ventilator. This port may be made of adjustable size, so that it may be increased or decreased to suit the conditions, or suitable tests may be made to determine the conditions, and the port may be of permanent size in accordance therewith. As illustrated, I provide this port 19 with two

slides

20, 20, movable between

guides

21, 21, and toward and from each other. As illustrated in Fig. 3, these two slides have been moved toward each other, so as to completely close the port 19, but they may be moved away from each other to open the port to any desired extent. The ventilator may be secured in position in various different ways, but preferably I provide each end wall 15 with an outwardlyextending flange 22. This flange is of a height equal to the depth of the extension, so as to extend from the end walls 15 to the window casing, if the ventilator be somewhat shorter than the width of the window. The device when used above the window, is preferably permanently secured in position, and these flanges 22 may be bent at right angles and nailed or screwed to the wall, as indicated in Fig. 4. If the device is to be used below the lower sash, the flanges 22 may extend into two

wooden blocks

23 and 24, which are of a height equal to the height of the flanges and of a thickness corresponding to the thickness of the window casing. One of these flanges 22 may be riveted or bolted to the block 23, as indicated at'the left-hand end of Fig. 4, and the other may be slidably supported friction tight within the block 24, as indicated at the right-hand end of Fig. 5.

Vith the device in use as a ventilator below the lower sash, the air may freely enter either end of the body portion through the gauze 14 and will pass through the ports 18 and be deflected upwardly into the room by the wall 17: The direct current of air thus cannot blow directly across the room onto a person, and is compelled to intermix with the warm air in the room to ventilate the room without creating any undesirable drafts. lVith the device in use above the air will enter through the slot or passage 16 and will flow through the gauze-covered ports 18 and out through the ends 14. With the air rushing lengthwise through the body portion 10, it will serve as an ejector and tend to draw the air out through the ports 18. This ejector action is facilitated to a considerable extent, by the presence of the port 19. This port 19 also permits the escape of any rain water which may beat into the ventilator through the ends 14.

The direction of the flow of air through my improved device depends upon the relative temperatures within and without the room and the direction or character of the wind that may be blowing outside. If the temperature within the room be warmer than the outside atmosphere, as is usually the case, the warm air in the upper portion of the room will tend to escape through the device if the latter be placed above the window, and if the device be placed beneath the window, the colder air outside will enter through it.

Having thus described my invention, I claim as new and desire to secure by Letters Patent:

1. A ventilator having a tubular sheet metal open-ended body portion adapted to be disposed outside of a window and having ports adjacent opposite ends in the side thereof, adapted to communicate with the interior of the building, and having a port in the lower side thereof intermediate the ends and outside of the building.

2. A device of the class described, havin a tubular sheet metal body portion provided with an extension disposed lengthwise thercof, said extension having parallel end walls and parallel top and bottom walls, the wall of the body portion opposite said extension havlng gauze-covered ports adjacent opposite ends, said end walls having sheet metal brackets adapted to be secured within a window casing to hold the device in position.

3. A ventilator having a tubular openended body portion and an extension leading from the side thereof, adapted to extend through a window, and having the interior thereof in communication with the interior of the body, said extension having a top wall, a bottom wall and an inner side wall, said side wall and said top wall being spaced apart to leave a port extending approximately the full width of the window, and said side wall serving to deflect upwardly the air-entering the room through said body portion and said extension.

4. A ventilator having a body portion adapted to be disposed outside of a window, an extension leading from the side thereof and adapted to extend through the window to communicate with the interior of the building, a port in the lower side of said body portion intermediate the ends and outside of the building, and means for controlling said port.

5. A ventilator having. a tubular openended body portion adapted to be disposed outside of the window, and ports in a circumferential Wall thereof adjacent opposite ends, and extension having one side thereof substantially tangential to the circumferential Wall of said body and having a second side substantially parallel to the first-mentioned side, said sides adapted to engage with the edge of the window, and the window casing, and means at the ends of said extension for securing the ventilator in position.

6. A ventilator having a tubular openended body portion adapted to be disposed outside of the window and ports in a circumferential wall thereof adjacent opposite ends, and an extension having one side thereof substantially tangential to the circumferential wall of said body and having a second side substantially parallel to the firstmentioned side, said sides adapted to engage With the edge of a Window and the Window casing.

7 A ventilator having a tubular sheet metal body portion provided with an extension disposed lengthwise thereof and of a length substantially equal to the length of said body portion, said extension having parallel sheet metal end walls and parallel sheet metal top and bottom walls, the Walls of the body portion opposite said extension having ports for establishing communication between the interior of the extension and the interior of the body and said end walls, said extension having brackets adapted to be secured within a window casing to hold the device in position.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

ALBERT F. SGHl/VANNEGKE. lVitnesses:

M. E. NESTOR,

CHARLES WVELGH.