US1843383A - Economizer - Google Patents

Description

Feb. 2, 1932. w G QQTTRELL 1,343,383

ECONOMIZER Filed June 10, 1929 Patented Feb. 2, 1932 UNITED STATES WARNER G. COTTRELL, OF COLUMBUS, OHIO ECONOMIZER' Application filed June 10,

This invention relates to economizers for internal combustion motors and more particularly to a device whereby the combustible mixture is so acted upon that it is made perfectly homogeneous and uniform thereby promoting efficiency in the operation of the motor.

Prior art devices in this field have defects which hitherto have not been satisfactorily 1o overcome. It has been common practice, for example, to utilize rotating fans of various types and shafts connected therewith either in a relatively movable or a relatively stationary manner. These devices, however, soon Wear out and require constant lubrication.

They are ineffective at low speeds and often interrupt the main lubricating functions of the motor.

In contradistinction thereto the present invention provides a non-rotatable device having no moving parts and simply and cheaply made. There are no parts to wear out as there is no movement the sole action being the passage of the combustible mixture past the device. The parts can be easily and cheaply stamped out of metal and one of the members has integral hangers connected thereto by means of which the device may be suspended in proper position. These and other advantages will be apparent hereinafter or will be pointed out as the description proceeds.

Reference is made in connection with the following specification to the accompanying 5 drawings wherein:

Figure 1 is an end view of the device;

Figure 2 is a section on the line 22 of Figure 1;

Figure 3 is a view of all the parts in disassembled relation; and

Figure 4 is an end view similar to Figure .1 of the device in operative position.

Similar numerals refer to similar elements throughout the several views.

Referring to the drawings in detail, 1 is a shaft of suitable diameter and length having a head 2 of slightly greater diameter than the shaft itself. On this shaft are a plurality of propeller-shaped baffles 3, all similar except one of the end baffles 4 which is different in 1929'. Serial No. 369,584.

that it has'hangers' 5 as will be hereinafter more fully explained.

Each bafiie 3 consists of aplura'lity ofblades joined at their inner points and provided with anaperture 6 approximately the size of the shaft 1 so as'to make atight fit therewith. In-the particular example shown, each bafiie 3 is provided with four sector-shaped blades twisted ata forward angle to the plane of'the central perforated portion. As is shown in Figure 2 a; plurality of these bafiies 3 are assembled on shaft 1 suitably spaced by the spacing sleeves 7 which are hollow metallic cylinders shown in the drawings. I The hole in these cylinders is of a size to make a tight fit with shaft 1 when they are placed thereon.

The end 'baflie 4,,as shown, is provided with hangers 5 integral therewith as above mentione'd. These are stamped out with the baffle" Ti and are then bent into the double rightangled. position shown forming a rest composed of the forward surfaces of the outer extremities of the hangers 5, which rests support the device in position onthe end plate 8 ofamanifold, for example. 1

Referring again to Figure 2 it will be seen that next to the head 2 of shaft 1 the bafile 4 is placed and that thereafter the spacing sleeves 7 and the bafies 3 alternate. One of the baflles 3 comes atthe end of the shaft 1 and the end of the shaft'is then fiattened'or heath ed to hold the assembly in fixed rigid position. Although not precisely so shown on the drawings it is apparent that in assembling the device the baffles are placedin staggered position, that is, each bafiie blade is offset with relation'to the blades on the next succeeding bafiie;

It will thus be seen that when the vacuum in the motor sucks in the fuel mixture through the manifold the mixture is caused to flow past the device of the present'invention. The presence of the propellers with their stationary and offset blades causes the mixture tobe out and twisted in many different-directions thus causing a thorough mixing ofthe mixture whereby complete combustion is encouragedand efiici'ency ofthe motor promoted. The device is preferably stationary at all times and can be readily removed and replaced. The parts are all fixed firmly in position and require no lubrication. There is nothing to Wear out as the effect of the mixture flowing past the device has no appreciable Wearing action. The device may, of course, be made of any suitable material and is preferably metallic and of a nature that the combustible mixture will not tarnish or corrode the same. There are no bearings to wear out and no parts require replacement.

The device does not fill up the whole space in Which it is placed, as is shown in Figure 4, thus having no tendency to create back pressure, or to retard proper operation of the manifold, as by unduly limiting or obstructing the air supply.

The above is intended to be more illustrative than limitative so that I do not limit myself thereto except as contained in the subjoined claims. I may, if I desire, change the number of bafiles or the number of blades on each bafiie or the angle at which the blades are bent. The materials may be substituted by any satisfactory material resisting the combustible mixture and it will be seen that space is left around the outside of the device for the proper supply of air to be drawn along into the motor with the combustible mixture. Other modifications will suggest themselves and such are within the scope of the present invention.

Having thus described my invention and illustrated its use, what I claim as new and desire to secure by Letters Patent of the United States is:

1. A device of the character described for mixing fluids in a manifold including a shaft, a plurality of spaced duplicate imperforate propeller-shaped baffles thereon, a plurality of spacing sleeves between said battles, and hangers peripherally extending from one end baffle, said baffles being non-rotatable, the blades of successive baffles being staggered and spaced from the interior of the manifold, and bent forwardly so as to provide substantially spiral shaped paths for the mixed fluids.

2. A device of the character described for mixing fluids in a manifold including a shaft, a plurality of spaced duplicate imperforate propeller-shaped bafiles thereon, a plurality of spacing sleeves between said bafiies, and hangers peripherally extending from one end baflie, said baffles being non-rotatable, the blades of successive baffles being staggered and spaced from the interior of the manifold, and bent forwardly so as to provide substanti ally spiral shaped paths for the mixed fluids, said shaft being headed at both ends to hold the assembly in fixed position.

In testimony whereof I hereunto set my hand this 6 day of June, 1929.

VVARNEB G. COTTRELL.

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