US1298315A - Charge-mixing device. - Google Patents

Charge-mixing device. Download PDF

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Publication number
US1298315A
US1298315A US22964318A US22964318A US1298315A US 1298315 A US1298315 A US 1298315A US 22964318 A US22964318 A US 22964318A US 22964318 A US22964318 A US 22964318A US 1298315 A US1298315 A US 1298315A
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cylinder
charge
intake
series
mixing device
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US22964318A
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Fred C Evans
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Fred C Evans
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M1/00Carburettors with means for facilitating engine's starting or its idling below operational temperatures

Description

F. c. EVANS. CHARGE MIXING DEVICE. APPLlCATION FILED APR. I9, D918 Patented Mar. 25, 1919.

31:11am Mar TD S FRED C. EVANS, 0F ITHACA, NEW YORK.

CHARGE-MIXING- IDEVICE.

To all whom it may concern:

Be it known that I, FRED Q. EVANS, citizen of the United States, residing at Ithaca,

in the county of Tompkins and State of New York, have invented certain new and useful Improvements in Char e- Mixing Devices for Internal-Combustion ngines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others'skilled in the art to which it appertains to make and use the same.

This invention relates to carbureting devices, and more particularly to a simple, practicable, inexpensive device adapted to be readily connected to or located in the intake flue between the carbureterand the cylinders of an internal combustion engine.

It is one of the objects of the present invention to secure a more thorough mixture of the carbureted air passing from the carbureter through the intake manifold into the cylinders of the motor so as to secure a more t orou'gh and rapid ignition and cOIIlbUStlOl'l of the charges of combustible fuel in cylinders. I r 7 With these: and other objects in view as will be manifest to those versed in the art,

' the invention consists of the construction, the

combination, and in details and arrangements of the parts and features of the invention as willbe described in' the following specification relative to an embodiment of the invention shown in' the accompanying drawings, in which Figure l-is a side elevation of an ordinary four-cylinder internal combustion engine to which the mixing device is applied in the connection between the carbureter and the -manifold, the intake tube being broken away =to show the device.

, Fig. 2 is a side elevation of the mixer detached from the engine.

Fig. 3 is a transverse section on line 33 of Fig. 2 looking in the direction of the arrow.

Fig. 4 is'a plan or rectilinear projection of the mixer to more clearly show the staggered relation of the bafiie prongs at opposite ends of the device.

' The invention, obviously, is capable of being designed, proportioned, and constructed for ready adaptation to various types of fuel supply connections for internal combus tion engines, in the present instance, such an engine being indicatedas at 9., having a manifold 3 connected by an intake connection or Specification of Letters Patent.

Patented Mar. 25, 1919.

. Application filed April 19, 1918. Serial No. 229,643.

pipe 4 by flanges 5-6 to the outlet 7 of a carbureter 8 which may be, obviously, of any design. L

The present invention in its illustrated form is shown as comprising a frame 10, here in the form of a hollow cylinder, of suitable length and of a diameter approximately fitting the interior diameter of the intake pipe or connection 4. While the cylinder 10 may be frictionally held if desired in situ in the intake connection, preferably, suitable means are provided to enable the positive positioning and holding of the device in an adjusted position in the intake 4, these means being illustrated in the present instance as short, outwardly directed tongues 11, any suitable number of which may be bent up from or attached to the cylinder in any convenientor desired location, these retaining lugs or tongues in the present instance being adapted for location between the connecting flanges 5-6 which join the neck of the carbureter 8 to the lower end of the intake tube 4. One of the important features of the present invention resides in the means whereby.

the fuel passin through'the intake connections between t e carbureter and the manifold is quickly and thoroughly intermixed so as to break up stratum, and to positively produce an intermixture of the minute vaporous particles with the air, and thus form a more perfectly carbureted charge for combustion in the cylinders of the engine. Therefore, the mixin device includes at one or both ends a series of fingers or baffle members indicated at 12, secured'to or formed integrally with the body of the cylinder 10.

These fingers or bafiies are shown as tapering lengthwise to a point, and are relatively spaced from each other at their bases to form gaps or passageways '13, which aps are about equal in width to the widt of the bases of the triangular or tapering baffles 12, thus afi'ordin a ready path for the flow of the carburete air through the mixer. The

v Preferably the series of fingers or bafiles at one end of the cylinder 10 are set in staggered relation as to those at the opposite end, this being clearly indicated in Figs. 2.and 4:, where the base or connection of one bafile is shown as longitudinally opposite the space between adjacent fingers of the other series.

While the device may be made in many forms, and while the parts may be variously designed, proportioned, and arranged, an inexpensive form of mixer maybe secured by producing a blank such as shown in Fig. 4 with the series of baflles12 at each longitudinal edge, the baffles offset with relation to each other in theabove series, and this form of manufacturing device also enables the ready provision of the regiining tongues 11, The blank, obviously, may be rolled into cylindrical form and its overlapping edges 10 suitably secured together, and then, the series of tongues at each end of the cylinder may be bent convergently, one series projecting upwardly from the end of the cylinder, while theseries at the lower end is bent into the cylinder, so that the conically arranged serieseach converge in the same direction. The retaining lugs 11 are bent to stand perpendicularly to the axis ofthecylinder l0, and, therefore, when the mixer-is inserted between the connecting flanges 56 of the, intake. connection, the device is securely held in position without any eXtra-' comprising a ring with axially spaced series of convergently bent fingers laterally separated to form-narrow spaces, the fingers of one series being'staggered as to-those of the other. i I y 2. A mixing device for attachment to intake means of internal combustion engines, comprising a cylindrical tube having inturned tapering prongs at its upper end, the prongs substantially forming a truncated cone, and the prongs being laterally spaced from each other at their junctions with the ends of the cylinder, and a set of inturned tapered prongs directed upwardly into the cylinder and of a length approximately.

equaling the length of the cylinder, the

prongsat the lower end thereof 'being spaced from each other at their junctions with the cylinder, and outwardly turned fastening lugs between certain of the prongs at the lower end of the cylinder the prongs of one series being staggered as to those of the other. 1 i

man 0. Evans In testimony whereof I affix my signature.

US22964318A 1918-04-19 1918-04-19 Charge-mixing device. Expired - Lifetime US1298315A (en)

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US22964318A US1298315A (en) 1918-04-19 1918-04-19 Charge-mixing device.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685504A (en) * 1953-03-26 1954-08-03 Otmar M Ulbing Fuel mixing device
US3075559A (en) * 1960-03-16 1963-01-29 Exxon Research Engineering Co Deflector for solids flowing in a gasiform stream
US3544290A (en) * 1965-10-21 1970-12-01 Raymond C Larson Sr Fuel atomizing unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685504A (en) * 1953-03-26 1954-08-03 Otmar M Ulbing Fuel mixing device
US3075559A (en) * 1960-03-16 1963-01-29 Exxon Research Engineering Co Deflector for solids flowing in a gasiform stream
US3544290A (en) * 1965-10-21 1970-12-01 Raymond C Larson Sr Fuel atomizing unit

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