SU49640A1 - Carburetor for internal combustion engines - Google Patents

Description

The aim of the present invention is to create a compact lightweight carburetor for internal combustion engines, which is easy to manufacture, assemble, adjust, and require less metal than in conventional cartridges.

In the proposed carburettor, the float chamber is made in the form of a drum, the axis of which is perpendicular to the axis of the mixing chamber, provided with a sector flap, and parallel to the swing axis of the float; Two nozzle tubes of different lengths are attached to the inner end wall of the drum, which is provided with holes.

In FIG. 1 shows a cross section of a carburetor for internal combustion engines; FIG. 2- cross section of its float chamber; FIG. 3 is a longitudinal section of it; FIG. 4-view of the internal carburetor damper.

The body / carburetor is divided by a hollow partition forming the end wall 5 of the float chamber A equipped with a lid 2. The float chamber A has a drum shape, the axis of which is perpendicular to the axis of the mixing chamber 4. In the float chamber there is a float 6 whose swing axis 7 is parallel to the axis of the drum . This float is associated with a needle 8 entering into

jack P of the inlet 10 for gasoline equipped with a filter //; Above the float b is located to adjust its button / 2 with spring J3. A jet tube J4, placed in chamber L and regulated by a screw 75, serves to continuously dvigat the body with gasoline.

In the end wall 3 of the drum there are openings 16 serving for the entry of gasoline into two jet pipes 77 attached to wall 3. The tubes are located slightly obliquely and brought up by the upper holes to the accelerator sector flap J8. The sector flap 18 is located in the slots 19 and is connected by pads 20 to the head 2 / roller 22 passing through the transverse wall 23 of the second part 5 of the carburetor body. Roller 22 extends out and is connected to lever 24.

Part 5 is connected to the housing / bolts, and its walls, both side and end, are made open with crossbars and are equipped with nets 25. External flaps 27 located on the end wall, moved by means of brackets 26 by lever 24, serve to regulate the supply of additional air . To close the air intake into the mixing chamber, there are two internal flaps 28, placed at high tide 23 with plates 29 and fitted with external levers 30 with springs 31.

The carburetor works as follows. For a constant short stroke, with the valve 18 closed, the jet tube 14, adjusted by screw 75, is operated. When lever 24 is pressed, the latter starts to divert the gate 18 to the side and open the suction opening to the mixing chamber 4 and further to the gasoline gas tube formed from gasoline droplets coming from the short nozzle tube 17 and air. When the flap 18 is opened, the additional jet tube / 7 and the additional air entering through the flaps 27, opened by the lever 24, begin to work halfway through.

The gasoline enters the float “amer” automatically in the usual way. The valves 25 are closed separately, and automatically opened under the influence of the springs 31. When the throttle valve 18 is closed and the engine is turned off, the carburetor stops its operation.

The subject matter of the invention.

Claims (2)

1. A carburetor for internal combustion engines, characterized in that the float chamber has the shape of a drum, the axis of which is perpendicular to the axis of the mixing chamber and parallel to the swing axis 7 of the float 6, and the inner end wall 3 of the drum, with holes attaching two nozzle tubes / 7. 2. In the carburetor according to claim 1, the use of a sector flap f8. to the author's testimony Shig. one Srig. 3 / sixteen ig. four and IK Razumovsky No. 49640 FIG. 2 10 //