US2570959A - Ventilator and weather head - Google Patents

Description

Oct. 9, 1951 c. D. LUTTON VENTILATOR AND WEATHER HEAD 2 SheetgL-Sheet 1 Filed Nov. 17, 1948 m an a K 5 I 7% 6 07 1 5" .m a, v5 5.

Oct 9, 1951' c. 1: 1 uT1'oNv Q 2 9 VENTILATOR AND WEATHER H AD Fi led Nov. 17,1948 2 Sheets-Sheet 2 Patented Oct. 9, 19 51 VENTILATQR AND WEATHER HEAD Clarence; Divine Lutton, Baltimore, Md.

Application November 17, 1948, Serial No. 60,425

' 4 Claims. (c1.v 98-82) This invention relates to. ventilators.

An object of this invention is to. provide a ventilator-for mounting on an air duct or other position which. is so constructed that the outside air'striking the device will create a. suction in the: duct irrespective of the direction of the wind.

Another object of thisinyentio-n is to provide a ventilator of this kind which can be used for ventilating buildings, ships, chimneys or other ducts, and which can be used as a Weatherhead for a, forced ventilating system.

A; further object of this invention is to provide a ventilator of this kind which includes removable screensv over the outer openings for keeping out birds. orthe like} when such protection is desired.- I

A further object. of this: invention. is. to provid a ventilator'of this kind. with a; valve or damper which may be either manually adjustable or may beautomatically adjustable,

- With the above and other objects in. view, my invention consistsin the arrangement, combination, and details of construction disclosed in the drawings and specification, and then more particularly pointed out in the appended claims.

Figure 1 is a. horizontal section taken on the line, l-l of Figure 2 of, a. ventilator, constructed according to an embodiment. of this invention;

Figure 2 is a sectional'view taken on the, line 22 of Figure 1,

. Figure 3 is. a fragmentary sectional View taken on the. line. 33 of Figure. 1,,

Figure 4 is a. fragmentary side elevationof the. device,

Figure 5 is a fragmentary sectional view taken on the line 5--5 of Figure 4,.

Figure 6 is a fragmentary vertical section, of a modified form of this invention,

Figure? is a, sectional view partly broken area taken on the line 1-1 of Figure 6.

Figure 8 is a fragmentary sectional view taken on the line 8-4 of'Figure 6,

Figure. 9 is. a. bottom plan view or the valve or damper embodied in Figure 6,

Figure 10 is a fragmentary sectional view of one of the vanes embodied in each form of this invention. p Referring to the drawings and first to. Figures 1 to 5 inclusive, the numeral [5 designates: generally a base embodying a base. plate It formed with a marginal depending flange IT. The base [5 has secured thereto a plurality of outer vanes generally designated as l8 which are disposed in circumferential properly spaced relation with respect to one another. Each vane l8 comprises a pair of obtusely related upright plates l9 and 20 which have extending from the outer ends thereof aligned plates 2| and 22. Plates 2| and 21 have formed on their outer edges returned flanges 23 and'2 l respectively, Ijhe vanes. it have extending from the lower ends. thereof base flanges 2.5 which. are adapted to be secured to the. upper side. of base plate. It by suitable fastening means, such as spot Welding or the like. There is .a space 26 between adjacent pairs. of vanes !8 through which air or the like is adapted, to freely pass.

A plurality of inner vanes. generally designated as 21 are disposed inwardly from the; outer-vanes; I8 and the innervanes 2T confront the space 26 between the adjacent edges of the outer vanes.

48,. The inner vanes 22* are formed of; substan tially right angularly disposed plates 28 which are formed at their outer vertical edges with returned; ends 29, The plates 28 at-their lower n s are form withbase. flan es. 30. are secured to the. upper side. of the pla It yit ble fa enin means; such a p t wel or the like. The outer and innervanes t8 and 2?, re pec ively re also.- fo e a t upp r; ends with flanges similarto flanges 2.5. and 30 and a top disc shaped plate 31 is secured to the upper ends of the vanes. 58 and 21-. A, cylindrical nipple 32 is disposed within the plate. It extending partly above; and'par-t-ly below plate I6. The nipple 3,2 is; formed between the upper or lower-ends thereofwith an: annular head 33 which isadapted to bear against the lcwer side of the plate It to limit the upward movement. of nipple 32 with respect to plate It; The in-ner vanes 27 are securedto the; nipple 3 .2 by a asten: ing means 34 so that the nipple 32-.will be firmly held'withrespect to the base 1 5' and the inner vanes 21'. A disc. shaped damper 35- is pivotal-ly mounted within the nipple 32 being Secured toshaft 3,6 which is. journaled in the nipple 32. The valve member ofdamper 32' has secured thereto a weight it! so; that the valve member with a. plurality of; openings 40 adjacent the.

inner sides of the vanes l8. so. that moisture collecting .within the ventilator structure may be drained therefrom In order to provide a means whereby birds, insects and the like will be prevented from en.-.. tering the interior of the Ventilator, a screen 4|.

. is disposedacross each space 28.. Each screen ll includes vertically disposed bars 42 secured in 7 any suitable manner to the opposite. verti l ed eot the screen 41 Th r e 1 is. r movably s cured. between. adjacen vertical d of the. pairs. of vanes. [8. by means. of lips. 43- which. a formed. at heir inner ends wi h. rever d ho k 41 en ag n the inwardly projecting flanges 24. The clips 43 which are initially extended between strands of the wire from the screen 4| are initially hooked onto the flanges 24 and are then bent outwardly and laterally as indicated at 45. In this manner the screen 4| is firmly held across the space 26 and the mesh of screen 4| may be any suitable size to prevent birds, insects, or the like from entering the interior of the ventilator.

Referring now to Figures 6 to 10 inclusive, there is disclosed a modified form of this invention. The ventilator shown in Figures 6 to 10 inclusive, includes a bottom or base plate [a similar to base plate l5 and also includes outer and inner vanes |8a and 27a which are similar in every detail to vanes 21. A horizontally disposed ring 46 is secured at the upper ends of the outer and inner vanes [8a and 21a and a hexagonal top plate 41' is secured by fastening means 48 to the annulus 46. The annulus 46 is formed with diametrical slots or cut outs 49, the purpose for which will be hereinafter described. A vertically adjustable valve or damper generally designated as 56 is disposed within the inner vanes 27 and comprises a circular plate 5| having secured thereto a diametrically disposed bar 52 which projects beyond the marginal edges of the plate 5|. The ends of bar 52 are adapted during the assembly of the ventilator to pass through the notches or cut outs in the upper plate or ring 46. The bar 52 is formed in the center thereof with a bushing 53 having a threaded bore through which a vertically disposed valve adjusting shaft 54 is threaded.

A cylindrical nipple 55 is disposed within the base l5a and has mounted axially thereof a bushing 56 secured within the nipple 55 by radially disposed spider arms 57. The shaft 54 is journaled at its lower end in the bushing 56 and extends upwardly through the upper plate 41 to a point above the upper plate cover. A conical top member 58 is secured to the top ring or annulus 46 by fastening means 59. The top member 58 is formed to the apex thereof with a bearing bushing 60 through which the shaft 54 is journaled, and a shaft operating wheel 6| is secured to the shaft 54 above the apex of the top member 58. V

The spaces 63 between the inner vanes 21a form a guide for the outer ends of the valve bar 52 so as to thereby hold the valve member 50 against rotation, while permitting the vertical movement of this valve relative of the screw shaft 54. The valve plate 5| has secured to the lower side thereof an annular gasket 64 which when the valve member 50 is completely lowered is adapted to engage the upper end of the nipple 55.

An inverted or depending conical deflector 62 is secured to the lower side of plate 47 and provides a means whereby air rising upwardly within the ventilator will be directed outwardly and laterally through the opening or space between the inner and outer vanes. The deflector 62 is used where this ventilator is a weatherhead on a mechanical ventilating system and is preferably omitted when the device is used only as a ventilator in a non-mechanical system. A mechanical system is defined as one embodying a motor operated blower. The construction shown in Figure 6 may be used to provide for egress or ingress of air or the like to a duct with which the nipple 55 is connected on mechanical systems.

cally spaced therefrom a nipple means extend ing through said bottom member and spaced from said top, a plurality of circumferentially disposed inner vanes extending vertically between said bottom and said top members forming inner spaces between said vanes communicating with said nipple, said inner vanes having substantially right angularly disposed side plates terminating in reversely turned outwardly extending oppositely disposed edges spaced from said side plates, a plurality of circumferentially disposed outer vanes connecting said bottom and said top members outwardly of said inner vanes, said outer vanes being spaced apart to form outer spaces opening therebetween said spaces 1 being aligned with said inner vanes, said outer vanes having outwardly obtusely related angled upright plates connecting oppositely disposed aligned upright end plates comprising part of said outer vanes, said upright plates being radially disposed from said inner spaces, said substantially right angular plates and said aligned end plates forming parallel wall channels extending therebetween for communicating I an adjacent said inner space with an adjacent clips.

It will be understood that the outer vanes l8a said outer space.

2. A ventilator as definedrby claim 1 having vertically disposed angular clips carried by opposed pairs of vanes with screen means extended between said vanes and securedthereto by said 3. A ventilator as defined by claim 1 having a vertically adjustable damper member formed with oppositely disposed extensions extending into at least two of said inner spaces.

4. The construction of claim 1 wherein an inverted conical deflector member is secured to said top member.

CLARENCE DIVINE LU'I'ION.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 322,832 Kittoe July 21, 1885 410,660 Turner Sept. 10, 1889 778,204 Porter Dec. 20, 1904 1,358,412 Breidert Nov. 9, 1920 2,269,428 Breidert Jan. 13, 1942 2,295,669 Laws Sept. 15, 1942 2,310,909 Petrovitch Feb. 9, 1943 2,428,544 Breidert Oct. 7, 1947 FOREIGN PATENTS Number Country Date 7 2,973 Great Britain 1882 477,374 Great Britain Dec. 29, 1937 542,518 Great Britain Jan. 13, 1942

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