US1473052A - Mixing attachment for engine fuel intakes - Google Patents

Description

Nov. 6 1923.

J. W. SHAW MIXING ATTACHMENT FOR ENGINE FUEL INTAKES Filed Feb. 2'7. 1 922 Patents Nov. 6, 1923.

tease rarer-er JAMES W. SHAW, OF CHICAGO, ILLINOIS.

MIXIATG ATTACHMENT FOR ENGINE FUEL INTAKES.

Application filed February 27, 1922. Serial No. 539,444.

To all whom it may concern:

Be it known that I, JAMES W. SHAW, a citizen of the United States of America, and a resident of Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Mixing Attachments for Engine Fuel Intakes, of which the following is a specification.

This invention relates to that class of atomizing or breaking devices arranged in the fuel intakes of internal combustion engines for the purpose of attaining a more complete mixture of the fuel gas and air passing from the carburetor to the combustion chamber of the engine.

The present improvement has for its object, to provide a structural formation and association of parts in an atomizing or breaking member, adapted for ready application at the point of connection between the flanges of the carbureter and engine manifold, and which is adapted to effectively intermix the passing gaseous fuel and air with a minimum impedance or retardance of the normal flow of the same, all as will hereinafter more fully appear.

In the accompanying drawing Fig. 1, is a sectional elevation illustrating the appliance in place between the delivery neck of the carbureter and the receiving neck of the engine intake manifold.

Fig. 2, is a detail vertical section on line 2-2, Fig 3 of the at'omizing appliance or head.

Fig. 3, is a top view of the same.

Like reference numerals indicate like parts in the different views.

Referring to the drawing, 1 designates the flanged outlet neck of a carburetor, and 52 the adjacent inlet neck of the engine intake manifold, between which the present atomizing head or appliance is inserted in the preferred form of the invention as shown in Fig. 1.

3 designates an annular flanged base men1- ber of thin plate metal adapted to fit and be secured between the connecting flanges of the carburetor and manifold aforesaid, and by means of the attaching bolts thereof. The base member 3 is adapted to provide marginal support for an atomizing or breaking member by which a thorough mixture of the passing gaseous fuel and air is eflected without undue impedance to the normal flow 0f the same to the combustion chambe of the engine, and in this improvement said atomizing member comprises a construction and arrangement of parts as follows 4 designates an outer conical spiral mem ber, formed of a strip of obliquely corrugated metal, and 5 designates an inner conical spiral member of like corrugated metal, arranged concentrically within said outer member 4 with the obliquity of the corrugations of one member extending in a direction opposite to those of the other member, and with both spiral members supported and held in proper relation to each other by means of bracing strips 6 extending from the annular base member 3 and from convolution to convolution of the pair of spiral members 4, 5, as shown.

The described construction is adapted to break and intermix the passing flow of fuel gas and air and attain a very intimate inter mixture of the same without offering undue interference with the normal flow of the gaseous fuel supply to the engine.

Having thus fully described my invention, what I claim as new and desire to secure by Letters Patent, is

1. A mixing device for the fuel intake of engines, comprising a pair of cone shaped spirals of corrugated plate metal arranged centrally one within the other, an annular flanged base member adapted for insertion between the attaching flanges of an engine manifold and a carbureter, and a series of bracing strips extending from said base member to said spirals and from convolution to convolution of the same.

2. A. mixing device for the fuel. intake of engines, comprising a pair of cone shaped spirals of corrugated plate metal arranged centrally one within the other, the respective corrugations of the spirals having an oblique arrangement in opposite directions, an annular flanged base member adapted for insertion between the attaching flanges of an engine manifold and a carbureter, and a series of bracing strips extending from said base member to the spirals and from convolution to convolution of the same.

Signed at Chicago, Illinois, this 25th day of February, A. D. 1922.

JAMES W. SHAW.

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