US1306866A - Ventilator - Google Patents

Description

J. SYLVAN.

VENTILATOR.

I APPLICATION FILED MAB. I5. 1919. l memedJune 17, 1919.

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JOSEPH SYLVAN, OF CHICAGO, ILLINOIS.

VENTILATOR.

Specification of Letters Patent.

Patented J une 17, 1919.

Application filed March 15, 1919. Serial No. 282,939. l

10 all whom t may concern:

Be it known that I, JOSEPH SYLVAN, a citi- Zen of the United States, and a resident of Chicago, county of Cook, and State of Illinois, have invented certain new and useful Improvements in Ventilatore; and I do hereby declare that the following is a full,

description thereof, reference being had to the accompanying drawl ings, and to the letters of reference marked thereon, tion.

This invention relates to improvements for ventilators and consists of the matters hereinafter described and more particularly pointed out in the appended claims.

The object of the invention is to provide an improved ventilator for a vehicle and is shown herein as applied to a railway car.

The improved ventilator isof novel and simple construction, is cheap to manufacture and is eflicient to withdraw and discharge the foul air from the vehicle, and at the same time to prevent rain or snow from entering the vehicle through the ventilators.

As has been stated, the ventilator is shown herein as applied to a railway car and in such use two ventilators are required, one at each end of the car, one being in use when the car is moving in one direction, and the other being in use when the car is moving in theopposite directiom-the one in use being which form a part of this specifica- `the one at the rear of the moving car.

x In the drawings: y Figure 1 represents a view inside elevation of the rear end of a railway car or coach 5 with the improved ventilator applied thereto.

Fig. 2 represents a view in rear end elevation of the same. v

Fig. 3 is a view representing, on an` enlarged scale, a section through theventilator in a plane indicated by the line 3 3 of Fig. 2.

Referi'ingnow in 4detail to thatlembodinient of theinvention illustrated in the accompanying drawings:l0 indicates the ventilator as a whole, which is made of sheet metal, the saine being attachedk to the top or roof 11 of the car, and communicating with the interior thereof by means of an opening 12 formed in said roof (see Fig. Y

The ventilator Vis made of substantial width, extending a considerable distance to either side of the longitudinal median line of the roof of the car. 1t is provided with a base Harige 13 which, bears u' on the reef 'of f `which rise from the car, and screws passing through said iiange securely attach the ventilator as a vwhole to said roof (see Fig. 3). The base is curved transversely or otherwise formed, as indicated at 14 in Fig. 2, to fit the roof of the car when said roof is curved as in this instance.

The ventilator has side or end walls 15, 15 the base and are spaced apart to define the entire width of the ventilator. 16 indicates the rear wall of the ventilator. Said wall is inclined forwardly and upwardly, and has aA slight curvature 17 at its top, toward .the rear. Said Wall consists of a sheet metal plate 16X bent back upon itself to form the upright part of the wall,

Vincluding the curved top part 17, and the rearwardly and forwardly projecting bottom extensions 18 and 19 respectively. The extension part 1S provides a part of the base flange 13 at the rear of the ventilator. The extension part 19 is inclined forwardly and upwardly only slightly from the horizontal, for a distance about half the length of the ventilator and is then carried vertically upward and forward in substantial parallel relation with the rear wall 16 to provide a splash fiange 20, the top of which terminates in a rearwardly and downwardly curved flange or lip 21. The plate 1GX forming the parts above described, extends the full width of the ventilator and is secured at its ends to the side or end walls 15, 15 by solder or in any other convenient manner known in the sheet metal art.

22 indicates `the front wall of the ventilator. This wall is made of a sheet metal plate 22x extending the width of the ventilator and has a part bent forwardly and upwardly in parallel relation to the rear wall 16 and flange 20 before mentioned, to provide the front wall 22 proper; a second part 23 bent horizontally forward from the bottom edge of the wall 22 to provide a portion of the base flange 13 of the ventilator; a third part 24 which is bent forwardly and downwardly from the top edge of the wall 22 to provide a depending lip at said top edge; and a fourth part 25 curved rearwardly from the top edge of the wall 22, to provide a deiiector plate which covers a passageway or flue 26, between the splash flange 20 and the front wall 22 that communicates with the opening 12 in the car roof 11. The rear end of the deflector plate 25 overhangs the flanoe 2Q and into the between lip of Y Mi' said splash flange and the rear wall 16, thus providing a staggered continuation 26a of said passageway or flue 26. The plate forming the parts just described, as in the case of the other plate, has its ends secured in any suitable manner to the side walls 15, 15 of the ventilator. 27 indicates the top. or cover of the ventilator. Said cover is curved forwardly and downwardly in substantial parallelism with the deflector plate 25 and depends at its front end somewhat below the lip 2l. The rear end of thc cover is curved upwardly and rearwardly as indicated at 2S, thus forming with the top curved part 17 of the rear wall, a mouth or discharge opening 29. From an examination of Fig. 3, it will be seen that this cover 27, together with the deiiector plate 25 and lip 24, provides a Ipassageway 30 leading from the space in front of the front wall 22 of the ventilator to the discharge opening 29. The cover plate, as

in the case of the other plates, is attached to the side walls of the casing. A v Y The operation of the ventilator is as fol-l lows:

As the car or vehicle moves forwardly, as indicated by the large arrow .31 in Fig. 1, a current of air will be produced in the direction ofthe arrows over the top of the ventilator, as shown in Fig. 3, and at the sides thereof. This will induce a suction within the mouth 29 of the ventilator which will act to draw the air through the flue 2G and its continuation 2G, up about the rear end of the delector plate Q5 and then out through the mouth 29 of the ventilator. This suction will be greater as the speed of the car is increased.

Any rain or snow that may fall into the mouth or discharge opening 29 of the ventilator, which, as is illustrated, is directed somewhat upwardly, will fall directly intoa precipitation chamber 19a, defined by the side walls 15, the rear wall 16, splash flange 20 and bottom wall 19, or upon the detlector plate 25, which latter being curved, willhdischarge it into said chamber 19a. As has been pointed out, the bottom wall 19 is slightly inclined upwardly so that this water will gravitate toward the rear end of the chainber 19a and in order to drain this chamber, `I provide discharge openings 32 inthe side walls of the casing, iii the angle between the rear wall and the bottom wall.

Such air currents as strike the front wall 22 of the ventilator will be deflected upwardly and then downwardly by said front wall and by tlie depending lip 24, and will not enter the ventilator, but will be deflected outwardly to be discharged at the sides of the ventilator.

When the car is going'l iii the opposite direction with respect to one of the ventilaters, that is to say, so that currents of air will enter at the mouth 29 of the ventilator, being deflected into this path by means Y of the deilector plate 25.

Vhilc in describing my invention, I have referred to the same as being used in connection with a railway car, I d0 not wish to be limited "thereto, as the same may be used to advantage upon limousine autoincbiles and other vehicles.

I claim as my invention:

1. A ventilator consisting of a casing having upright side, front and rear walls, and a top wall, said top and rearwalls being formed to present an outlet opening which is faced upwardly and rearwardly, an intermediate wall between said lfront and rear walls defining with said front wall a flue, which opens through the bottom of the casflue, said deiiector plate together with said rear wall defining a staggered passageway l.connecting said liuc with said outlet, and

said deiiector plate with said top wall deiin ing, and al deflector plate located above saiding a secondV passageway leading from the. 4

'space in front of said front wall, to said outlet opening.

2. A ventilator consisting of a casing having upright side, front and rear walls, and a top wall, said front and rear walls being inclined forwardly, and said top and rear walls being formed to present an, outlet opening which is faced upwardly and rear# wardly, an intermedia-te wall between said front and rear walls defining with said front wall a flue, which opens through the bottom of the casiiig a bottom wall connecting the Vbottom ends of said rear and intermediate walls, said rear, bottom and intermediate walls deiining a. precipitation chamber which drains through openings in the sidewalls, a deflector plateoverhanging said iiue and defining withV said rear wall, a staggered passageway connecting said flue with said outlet, and said defleetor plate with said top wall defining a second passageway leading from the space in front of said front wall, to said outlet opening, y

3. A ventilatorconsisting of a casinghaving upright side., frontV and rear walls, and a top wall, said front and rear walls being inclined forwardly and said top and rear walls being formed to present an outlet opening which is faced upwardly and rearwardly, an intermediate wall between saidl front and rear walls, defining with said front wall a flue, which opens through the bottom of the casing, said intermediate wall having a rearwardly curved lip at its top edge, a.y bottom Ywall connecting the bottom ends ofsai'd rea-'r and intermediate" walls, said rear, betteln and intermediate walls dei ning a precipitation chamber which drains through openings in the side walls, a delieetor plate overhanging the intermediate wall and deiining with said rear walls, a staggered passageway connecting said Hue with said outlet opening, and said defieetor plate with said top wall delining a second passageway leading from the space infront of said front wall, to said outlet opening.

4. A ventilator consisting of a easing having upright side, front and rear walls, and a top wall, said front and rear walls being inclined forwardly, and said topV and rear walls being formed to present anf outlet opening which is faced upwardly and rearwardly, an intermediate wall between said frontand rear walls deining with said front wall a Hue, which opens through the bottom of the easing, said intermediate wall having arearwardly curved lip at'its top edge, a bottom wall connecting the bottom ends of said rear and intermediate Walls,

Copies of this patent may be obtained for ve cents each, by addressing the said rear, bottom and intermediate walls defining a precipitation chamber which drains through openings in the side walls, a defleetor plate extending forwardly and downwardly from the top edge of the front wall to form a lip, and extending rearwardly so as to overhang said intermediate wall and defining with said rear wall, a staggered passageway connecting said flue with said outlet opening, and said defieetor plate with said top wall, defining a seoond passageway leadingfrom the space in front of said front wall, to said outlet opening.

In testimony that I claim the foregoing as my invention, I aHiX my signature in the presence of two witnesses, this 11th day of March, A. D. 1919.

JOSEPH SYLVAN.

Witnesses: T. H. ALFREDS,

D. DARRENOUGUE.

Commissioner of Patents,

Washington, D. C.

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