US1139672A - Ventilator. - Google Patents

Description

D. P. GOSLINE.

VENTILATOR.

APPLICATION FILED AUG. H, 1911.

1,139,672. Patented May18, 1915.

IHE NORRIS PETE/\S C0,, FHOTDYLITHO WASHINGTON. L). C,

r sa'rs VENTILATOR.

Application filed August 11, 1911.

To all whom it may concern Be it known that I, DANIEL P. Gosmnn, of Boston, in the county of Suffolk and State of Massachusetts, a subject of His Majesty King George V, have invented a new and useful Improvement in Ventilators, of which the following is a specification.

In ventilating factories such as dye houses, bleacheries and paper mills where a large amount of steam or saturated air must escape either under gravity conditions or be forced out by fans or blowers, it has been amply proved that unless the ventilating pipe which ordinarily passes out through the roof of the building is constructed of material which is a good nonconductor there is apt in cold weather to be rapid condensation of the steam or saturated air, which condensation will fall back into the building unless gutters are provided to receive it. The gutters, however, are subject to frost or cooling from some cause or other and hence are inefficient for the purpose for which they are intended. For these reasons such ventilators have been very largely made of wood, but a wooden ventilator is apt to rot and require constant repair.

It must be remembered that the atmospheric temperature to which the exterior of these ventilators is subjected during a large part of the year is many degrees cooler than the temperature of the air or steam passing out through the ventilator and hence this condensation is constantly taking place.

My invention relates to a ventilator in which these faults are overcome in such a way as to render the ventilator practically impervious to cold, capable of long life, of

great efficiency and adapted for all kinds of buildings and for all kinds of work, and it comprises a ventilator the walls of which are entirely inclosed with a series of hermetically sealed air chambers and which is covered (leaving, however, a sufiicient opening for the escaping air) by a hood which also contains an air chamber sufficient incharacter to protect the escaping air or steam from the condensing influence of the atmospheric air. Moreover, my ventilator, in distinction from metal ventilators now in use, is not subjected to expansion and contraction at its junction with the roof for the reason that the protection given it by the air chambers above referred to extends in the preferred form of my ventilator to the roof Specification of Letters Patent.

Patented May 18, 1915.

Serial No. 643,527.

itself and so protects this junction that the pipe where it passes through the roof is not subject to changes of temperature other than those which proceed from the escaping a1r or steam. I

My invention will be understood by reference to the drawings, in which Figure l is a vertical section of a ventilator embodying my invention, Fig. 2 being a horizontal section on the line 22 of Fig. l.

A is the main pipe by means of which the steam and hot air is carried off from the interior of the building, B being the roof through which the ventilator projects. The pipe A is suitably hooded, the hood or cap in the drawings comprising a conical top portion A having a deflector a shaped like an inverted cone projecting downward from its center, forming with the hood a closed air chamber, the whole being supported by suitable supports a of bar iron or other convenient material, these supports extending down within the pipe A and being bolted or riveted thereto as shown. Around this pipe A is a base section C of larger diameter than the pipe and attached thereto and to the roof by an annular roof flange 0 whichis bolted to the roof and preferably is bent downward as at c to lie between the pipe A and the opening in the roof B so as to center the pipe A. lhe upper edge of this base piece C is bolted or riveted as at c to the pipe A. From this base piece C projects upward a casing D of somewhat larger diameter than the pipe A, this casing being bolted or riveted as at (Z to the base piece C and at its upper end being bolted to the top cone or wind shield E which in turn is bolted to the pipe by the upper one of the bolts which holds the supports a in place. The casing D has a series of rings (Z projecting from its inner surface and adapted to clasp the pipe A. In the drawing two of these rings are shown, but there may be as many others as the length of the pipe A warrants. The casing D also has a number of vertical partitions (Z attached to its inner surface and also attached to the pipe A so that there are formed about the pipe A a number of compartments or chambers each separated from the other and from the atmospheric air and the interior of the pipe A and serving as air chambers to insulate the interior of the pipe A from changes of temperature in the atmosphere which might soldered together so as to hermetically seal the chambers.

As is well known, air spaces so called are excellent non'conductors of temperature and while my invention may be carried out in other ways by use, for example, of solid material which would serve for purposes of insulation, I have found that the above described device is very simple and easy to make and adjust to suit any specific problem and when properly adjusted it has proved an exceedingly eflective insulator for the purpose stated. I have shown this insulator extending from the roof to the top of the pipe and this should be substantially its construction although a slight variation in certain cases might not prove ineffective.

With regard to the cover or top of the ventilator it will be noticed that this is also a confined air chamber such that it too will serve to prevent the chilling of the steam when it strikes it. It may be surmounted by an ornament F which mayalso be hollow.

Other means ofcarry ing out my invention and other uses for such an insulator as I have described will suggest themselves to those skilled in the art and other forms of my insulator may be adopted wherever the particular problem requires some change over the precise form shown in the drawings. The above, however, is a simple construction and fully illustrates the invention.

I prefer to use sheet metal in constructing a device of this character, but I do not mean to limit myself to such material as any other weather-proof material will answer the purpose. I

What I claim as my invention is:

1. The ventilator above described comprising a central flue adapted to project through a roof, a base plate around'said flue adapted to be attached to the roof, van I Copies of this patent may be obtained for annular lateral support attached to said flue near the lower part of its projecting portion and also to said base plate whereby the junction of said flue and the roof is strengthened, said lateral support forming with the outside of said flue and said base plate an air chamber, a. jacket mounted on said lateral support, vertical and horizontal partitions attached to the outside of said flue and tothe inside of said jacket whereby said jacket will be centered and said flue supported and air chambers will be formed between said jacket and said flue, a wind shield mounted on said jacket and extendupwardly to engage said flue along its upper portion whereby its upper portion is strengthened, anda hood attached to the upper portion of said flue and said wind shield. 7

V 2. In a metallic ventilator, the combination with a metal pipe forming a ventilating flue, of a metallic casing surrounding said lng outwardly therefrom and inwardly and pipe and spaced therefrom, and means withm said casing for forming aseries of isolated dead air spaces for insulating said pipe from the exterior atmosphere.

3; In a metallic ventilator, the combina tion with a metal pipe forming a ventilating flue, of a metallic casingsurrounding said pipe and spaced therefrom, and longitudinal and circumferential partitions in said casing forming a series of isolated dead air spaces for insulating said pipe from the'exterior atmosphere. j

4:. In a metallic ventilator, the combination with a metal pipe forming a ventilating flue, of a hollow metallic base section surrounding the lower part of said pipe and provided with means for. attachment to a roof, a hollow metallic wind shield surrounding the upper end of said pipe, and a -metallic casing surrounding said pipe intermediate said base section and wind shield and secured thereto, said base section, wind shield, and casing forming air chambers for insulating said pipe from the exterior atmosphere.

DANIEL P. GOSLINE. Witnesses: v

GEORGE O. G. CoALE, M. E. FLAHERTY.

five .cents each, by addrcssingthe Commissioner 0! Patents, Washington, D. G.

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