US1577503A - Blower - Google Patents

Description

March 23 1926.

J. TAYLOR BLOWER Filed Feb. 20, 1925 2 Sheets-Sheet 1 ATTORNEY March 23 1926. 1,571,503

' J. TAYLOR BpowER Filed Feb. 2Q, 1925 2 Sheets-Sheet 2 WITNESS: IN VEN TOR ATTORNEY Patented Mar. 23, 1926.

n I T-iE s r ars s nrsrnr BLOWER.

Application filed February 20.1825.

T (@ZZ whom 275 may concern:

lie it known that John TAYLOR, a citizen of the United States, residing at Salt Lake City, in the county of Salt Lake and State of Utah, has invented certain new and useful Improvements in Blowers, of which the following is a specification.

This invention relates to blowers of the fan type and it has for its object to provide an improved device of this character adapted to develop great efliciency in use.

In the accompanying drawings:

Figure 1 is a vertical sectional view of a blower constructed in accordance with the invention.

Figure 2 is a side view thereof, with one half of the casing removed.

Figure 3 is a fragmentary view of a portion of the rotor.

Figure 4 is a fragmentary View of a modified form of the rotor, and

Figure 5 is a sectional view of a form of stationary element corresponding to the structure of Figure 1 with certain modifications incorporated therein.

Like numerals designate corresponding parts in all of the figures of the drawings;

In the drawings 5, designates a casing havin an enlarged tubular hub 63. Spokes 7 support bearings 8 from the hub 6, and said bearings 8 serve as a mounting for the shaft 9, to which rotation may be imparted by the pulley 10. A sleeve 11 is fast upon the shaft 9 and through. the medium of the spokes 12, supports collars 13, constituting extensions of the inner vanes 14 of the rotor. The web of the rotor is indicated at 15 and the rotor comprises, in addition to the inner vanes 14, outer vanes 16. Statioln ary vanes 17 are secured to the casing 5, at 18 and these vanes 1'? include flanges 19, which prevent air from finding its way into the spaces 20, outwardly of the vanes 16 and compel the air to pass through said vanes 16.

In operation the air enters through the hub 6 and is thrown outwardly by the vanes 14. It is caught and its rotary motion is checked by the vanes v17, the inclination of said vanes being such as to continue the outward direction of movement of the air. The air is then discharged into the path of movement of the vanes 16, by which it is thrown outwardly with great force into the restricted portion 20 of the casing, from "Serial No. 16,612.

whence itis discharged through the outlet port 21 into any suitable conduit.

It is a well known'fact, that when the whole body of air, in the casing of a fan of this sort, gets to whirling with the rotor much of the efiiciency is lost. By the disposition of the vanes 17, intermediate vanes 14: and 16, the whirling motion of the air is broken up and the efliciency of the apparatus is correspondingly increased.

In Figure 3 I have illustrated a method of mounting the vanes upon the rotor. In this case the rotor indicated at 15 carries vanes 15 which comprise plates 16 that are secured to the rotor 15 fastening devices, indicated ure 4 the structure is much like that illustrated in Figure 3 and like reference numerals have been applied, except that in this case, the outer portions of the vanes 15 are tied together by a plate or strip 15 In the modification illustrated in Figure the casing 5 carries the bearing 5* for the shaft of the rotor (not shown) and said casing also carries a plurality of vanes 5 which correspond to the vanes 17 in Figure 1. However, the structure differs from Figure 1 in that the air is taken entirely from one side of the casing, viz through the hub 5. Partitions 5 prevent the passage of the air from the left hand side of the casing to the right hand side thereof (this partition bein completed by the presence of the rotor disc when the later is in place) and the air is compelled to follow the path of the arrows in Figure 3, traveling from the left hand side of the partition through a conduit 5 and passing out of the casing through a discharge port 5 Itis to be understood that the invention is not limited to the precise construction set forth but that it includes within its pur view whatever changes fairly come within either the terms or the spirit of the appended claim.

Having described my invention, what I claim is:

A device of the character described comprising a casing having an enlarged, centrally disposed open hub, spokes carried. thereby, bearings carried by said spokes and held thereby in spaced relation to the hub to permit of the entry of air between the hub and bearings, a shaft mounted in said bearings, a rotor carried by said shaft, a set of at 15 In Fig by any suitable inner 'anes carried by said rotor and comprising substantially horizontalcollars which project into the hub of the casing, outwardly of the bearings, a second set or vanes disposed outwardly of the first set of vanes and spaced therefrom and an intermediate stationary set of vanes carried by the casing, the vanes of the rotor being spaced from each other, with openings therebetween which permit the passage of air inwardly through the horizontal collars to the interior of the rotor and thence radially outward between the vanes.

In testimony whereof he affixes his signatnre.

JOHN TAYLOR.

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