US534322A - Ventilator - Google Patents

Description

(No Model.) 2 SheetsShet 1.

J. T. DARKINS.

VENTILATOR. v

Patented Feb. 19, 1895.

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N5 Mode i.) 2 ShetSSheet 2.

- J. T. DARKINS.

VENTILATOR.

Patented Feb. 19, 1895.

' INVENTOR ployed for railway service.

UN T D STATES- PATENT OFFICE.

JOHN THOMAS DARKINS, OF ALLEGHENY, PENNSYLVANIA.

VENTILATOR.

. snncmrcurrou formingm of Letters Patent No. 534,322, dated February .19, 1895,-

Application filedil'uly $1, 1994.

Serial No. 519,057- (No model.),

' a citizen of the United States, residing at Alleghgny, in the county of Allegheny and State of Pennsylvania, have invented or discovered a new and useful Improvement in Ventilators, of which-the following is a full, clear,- and exact description, reference being had to the accompanying drawings, forming part of .thisspecification, in which' Figure 1 is a front'elevation of my device, applied to a window in position for operation. Fig. 2 is a horizontal sectional view, taken on the line II II of Fig. 1'. Fig. 3 is a cross sectional view taken'on the line III III of Fig. 2. Fig. 4 is a partial detail view'sh'owing'the head in position. Fig. 5 is a cross sectional view taken on the line V V'of Fig. 2. Fig. 6 is a perspective view'of my device, ready for application toawindow. Fig.7 isafront elevation of the form of ventilator, preferably em- Fig. 8 is an end elevation, as attached to a car. Fig. 9 isa' horizontal sectional view on the line IX IX of Fig. 7. Fig. 10 is a cross sectional view taken on the line X X of Fig. 7. Fig. 11 is a horizontal sectional view taken on the line XI XI of Fig. 7. Fig. 12 is a cross sectional view taken on the line XII XII, of Fig-.11. Fig. 13 is a longitudinal sectional view taken on the line XIII XIII of Fig. 11. Fig. 14 is a perspective view, detached. Like symbols of reference refer to like parts wherever used throughoutthis specification. My invention relates to ventilators, and is designed particularly for use in windows of buildings, andin'railway cars, vessels, or moving structures, requiring a constant supply-0f fresh air or a removal of foul air. I Primarily, it consists in a rectangular boxor case, preferably constructed of light sheet metal and provided with openings and passages for the currents of air as indicated by the arrows, and deflecting plates or baffie walls set atdifferent angles and positions for.

the purposes hereinafter described.

It has for its object the facilitating of the .passage of the desired current'of air, and at or convenient structure.

on Sheet 2 of the drawings I show means for on the foul'air within the car by su'ctiomd'ue to the motion of the car. I 1 Referring now tothe provided with'th'e flanges 3-for attachment increasing the natural draft byin'ducingacurerent of air from the outside" to enter and act drawings, 2 repr"e some the outside casing forming the incl os' ing shell or box of the ventilator, which is 6 o to the framework of a car or other suitable;

In the form of. the. devic illustrated on Sheet 1 of the drawings I have shown the ventilator applied to theunder part of a window frame for admission of fresh air from the outside of the room to the interior, and when used in this way I have found that wherever practicable it is best to have acorresponding ventilator placed at the otherside of the room, or'at any convenient point where it will be in line with the draft, and preferably higher than the induction ventilator. Thus it will be seen that the same, device will operate equally well as an ind'uction and ed action ventilator by simply reversing the position as to the direction of .the'desired current of air. When used under a window sash as shown in Figs. 1 and 2 of the drawings I'employ filling or partition blocks4 and 4' to fill up the excess space under the sash, and to one of these blocks 4 is hinged the ventilator,

by hinges 5 one flange of which is screwed to ventilator by flanges 3. Thus it will be seen that the entire box is free to swing, and so the placing of 'it under the sash is readily effected, the partition block 4 being inserted first,- after which the ven'tilator'is readily swung into posit-ion'as shown when it is ready for operation.

Fig.1 may betaken. as a face view of the ventilator, either from without looking inwardly' or vice versa, the currents of air being always as indicated by the-arrows, whetherfrom within outwardly, as the case may be.

-fresh air from without inwardly or foul air In the front of the ventilator as used for I stationary service, I employa diaphragm 7 secured to the case slightly back of its front- IOO -as'to leave a space 11.

partition are caused to recedeat a slight g'ngle toward the center 12 and the lower edge 16 curvedunder in a direction away from the diaphragm 7 as at 13 so as to offer no resist- 'ing edge to the currents of .enteringair. Projectinginwardly from each. end'toward the center are two sets of vertical walls 14 15 also secured to the top and extending downwardly, not quite as low as the partition 10. The walls 14 15 converge toward the center and meet at the point 16' equidistant from the ends and separated byaspace .17 as shown in Fig. 2. The lower edges of these walls are also curved under as at 18 in the same manner as the partitions l0 and for the same purpose of presenting a rounded surface to the currents of air. Beyond these partitions is located a partition 19 extending clear across the full length of the case, secured to the bottom and extending inwardly to the point 20 located midway between the points of the pro jecting walls 14. 15. At either end this partition 19 is of the full height of the inside of the case and the height is reduced toward the center,- the surplus being bent over to form the curved flange 21 which like the others already described extend in the same direction as the currents of air 'and for the like purpose of offering a rounded corner to their passage. case is covered by a wire-gauze 22, the purpose of which is to prevent the passage of foreign matter or insects. A hood 23 is hinged to the bottom of the case, and when desired, it may be swung up over the case as shown in Fig. 4 to prevent the passage of air. The

. purpose of the various cross partitionsis to prevent the entrance of rain, dust, cinders or such other substances as might find entrance, and to throw them down on the bottom of the case, from which they may be very easily removed from time to'time.

In the construction of ventilators illustrated on Sheet 2 of the drawings, the same general arrangement of partitions prevails, except that the diaphragm 7 is dispensed with, and in place of the screen 22 I employ a partition 24 arranged and secured to-the case in the same manner as the diaphragm 7 having a space 9' around it for the passage of the escaping air. A further additional feature is a funnel 25, provided with flaring outwardly projecting lips 26 the funnel extending with in the case as shown, and serving to conduct into the interior of the case the air that will rush into it during the passage of the car. A ventilator of this kind is located usually on the upper part of the car, just under the upper deck and roof, a position best adapted to serve the purpose of withdrawing the foul and heated air that will rise to that point.

The two sides of this The opening across the side of the;

In Fig. '11 the currents of airfare clearly indicated by the arrows, the arrow A indicating the direction of travel of the car. In this casethe partition 10 is open atthe top, the

opening bei-n'g'greatest at the center as shown in Fig. 7 and the upper edges are flanged over being somewhat rounded and serving to cover the funnel 25.

The construction and operation of my device will be readily understood by those skilled in, the art. The arrangement and angleof the various partitions-may be altered by theskilled mechanic without departing.

from my invention, although in service a ventilator constructed as I have illustrated it and conforming to the general proportions, dimensions, angles and parts will be found to give most satisfactory results in practice.

The advantages are obvious since I am enabled to secure perfect ventilation, and absolutely prevent the entrance of all solid or foreign matter by my system of interfering partitions and ba'flie walls.

Having described my-invention and in what manner it is constructed and operates, what I claim, and desire to secure by Letters-Patent, is-- 1. In combination with a window, a ventilator c prising a rectangular boxer case provide ,with a diaphragm anda perforated screen, on the receiving and delivery sides respectively, and intervening flanged bafiie partitions located between them, the ventilator beingsecnred to a swinging block 6, hinged to a partition block 4, and fitting against a similar partition block t, the swinging block 6, ventilator case 2, and partition blocks 4.- and 4' entirely filling the space between the window sash and the sill, substantially as set forth.

-2. In combination with a ventilator com ends and bottom and receding toward the ce'n ter; partitions 14 and 15 similarly suspended and converging toward the center to an apex 16; a partition 19 extending upwardly from the bottom of theoase for the full length, projecting outwardly toward the center of partition 10, and diminishing in height from the top of the case at each side toward the center, the open edges of all of the partitions being bent under and over in a direction away from the diaphragm 7, a screen 22 extending across the outer face of the case, and a head 23 hinged to the bottom for the purpose of closing the opening, substantiallyasset forth.

- 4. In combination witha moving vehicle, a ventilator consisting of a rectangular box or esecuredupon an opening in the vehicle provided with funnels 25 at each end extending-within the ease; partition 10, extending. across the case open at the top andreceding toward the center; partitions 14 and 15 suspended from the top of. the case and convergping toward the center to an apex 16; a. partition 19 suspended from the top of the case, open at the ends projecting inwardly'toward; the center of partition 10, and a diaphragm 24 suspended within the case and having an interveningsurrounding space 9; the points and angles of the various partitions being so located as to ofier an obstruction to the c i-r-' enlation of foreign matter, and their various flanges being" bent under and over in a direc-. v

tion away fromthe opening in the vehicle,

substantially as set forth.

In testimony whereof I have hereunto set my hand this 19th day of June, 1894.

JOHN THOMAS DARKINS.

Witnesses:

GEo. I. WHITNEY. 0. M. CLARKE.

5 I Aflidayits having been filed showing that the name. of the patentee in Letters Patent No. 534,322, granted. February '1 9, 1895, for' an improvement in Ventilators, hould have been written and printed John Thomwns Dorkim instead of John Thomas Darkins, it is hei'eby certified that the proper correction has been made in the files and records perteipipg to the ease in the 'Patent-Loflice', ai ld should-be read in the Letters Patent r that some may conform thereto.

Mareh,'A. D., 1895.

Signed, eountereigxied, and sealed this 12th -da,y of

[SEAL] e Countersigned JonN S. SEYMOUR,

Commissioner of Paten

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