SU52396A1 - Internal piston compression chamber for internal combustion engines - Google Patents

Description

The subject matter relates to internal piston compression chambers for internal combustion engines, provided with peripheral channels that communicate with the working cavities of the cylinders, in order to swirl gases in the meridional planes of the cylinders, and using the displacing action of the nozzle tips.

In the proposed piston chamber, in tangent planes to the outer wall of the chamber, there are a number of additional channels that connect the chamber with the working cavity of the cylinder and create an additional vortex motion of gases around the axis of the chamber and cylinder.

To increase the temperature and accelerate the onset of fuel burning inside the chamber, a heat storage insert is placed, partially isolated from the body of the piston itself by an air gap.

In FIG. 1 shows an axial section through a pore with an internal compression chamber for internal combustion engines; FIG. 2 is a top view with a partial cut.

A compression chamber is placed in the piston of the internal combustion engine, equipped with a heat-storage insert k, which is partially isolated from the body of the piston by an air gap n-t. The chamber is equipped with tangential channels e and a number of additional channels d located in tangent planes to the outer wall of the chamber communicating it with the working cavity of the cylinder.

When the piston moves up (squeeze stroke), its upper edge is located on the tip and nozzles rigidly fixed in the center of the head, due to which a closed annular space b is formed above the piston.

Upon further movement, the piston displaces air (or rather air and residual gases) from the annular space b, which through a series of tangentially located channels d and e enters the chamber with compression.

When the piston moves down (expansion stroke) in the chamber C, the pressure will be higher than in the annular space B increasing in volume, due to which gas will flow out through the channels d to e from

cameras first into the annular space b, on a path equal to the length of the protrusion of the nozzle on the nozzle, and then into the engine cylinder.

Flowing through the tangential channels provides for the process of formation of the working mixture by intense vortices.

Continuous air supply to fuel particles emitted from the nozzle in several areas of the chamber and the tangential arrangement of the channels in a plane normal to the piston axis (cQ chiaals and planes passing through its axis (g channels)) ensure that an intense vortex movement, which will contribute to the best placement of fuel particles in the air environment of the chamber c and thereby obtain a uniform working mixture.

With the presence of a heat-accumulating insert k, an opportunity is created in the annular zone of the air gap - / to obtain a local temperature increase, and an earlier start of fuel burning in this zone will eventually lead to a decrease in pressure at the end of combustion.

The subject matter of the invention.

Claims (2)

1. Internal compression chamber for internal combustion engines, in which peripheral channels are used to swirl gases in the meridional plane, which connect it to the working cavity, and also use the extrusion action of the nozzle tip, which is used to obtain additional vortex gas movement around the axis of the chamber (and cylinder), a series of additional channels d are used, located in tangent planes to the outer wall of the chamber and communicating it with the working cavity of the cylinder. 2. Application to the compression chamber in the compression chamber according to claim 1 of the heat-storage insert k, partially insulated by an air gap n-t from the body of the piston itself. to the author's testimony of D. A. Portnov No. 52396 FIG. one