JPH0560986B2 - - Google Patents

Description

Claim 1 An ultrasonic oscillator 1 having a collecting device 2, a main sleeve 3 attached to the ultrasonic oscillator 1, an additional sleeve 5 fixed to the collecting device 2, and an additional sleeve 5 fixed to the collecting device 2 at an end 4. There is also an auxiliary sleeve 6 having a radial passage 24 in its body with an inlet hole in its inner surface, and an additional sleeve extending along the geometrical longitudinal axis 7 of the collecting device 2 and mechanically connected to the main sleeve 3. a liquid supply tube 9 having a free end 15 passing through the body of the liquid supply tube 9, one end 18 movably attaching the free end 15 of the liquid supply tube 9, and the other end 27;
The hollow rod 21 communicates with the inlet hole of the radial passage 24 of the auxiliary sleeve 6, and the liquid supply pipe 9
a valve 3 mechanically connected to the valve 3 for controlling the supply of liquid;
4, an ultrasonic atomization device for liquids comprising: a geometrical longitudinal axis 7 of the collecting device 2;
at least one further tube 8, 10 extending along the main sleeve 3 and mechanically connected to the main sleeve 3;
and the same number of further tubes 8, 10 for supplying liquid, and each one end 17, 19 has a free end 14, 16 of the corresponding further tube 8, 10 for supplying liquid.
further hollow rods 20, 22 for movably attaching the
and a further valve 33, 35 for controlling the supply of liquid, each connected to a corresponding further tube 8, 10 of the supply of liquid, the body of the auxiliary sleeve 6 being connected to a number of further hollow rods 20, 22. having an equal number of further radial passages 23, 25, the entrance hole of each radial passage communicating with the other end 26, 28 of the corresponding further hollow rod 20, 22;
A device characterized in that the outlet hole is arranged on the inner surface of the auxiliary sleeve 6.

2 Grooves 36, 37, 38 of the same number as the liquid supply pipes 8, 9, 10 are provided on the surface of the end 4 of the collecting device 2, and the auxiliary sleeve 6 is provided in the grooves 3 of the collecting device 2.
2. Apparatus according to claim 1, characterized in that each of the radial passages 6, 37, 38 is placed in communication with the outlet hole of the corresponding radial passageway 23, 24, 25.

3. Device according to claim 2, characterized in that each groove 36, 37, 38 of the collecting device 2 extends along a geometrical longitudinal axis.

4. Device according to claim 2, characterized in that each groove (36, 37, 38) of the collecting device (2) has a spiral shape.

5 Each valve 33, 3 for controlling the supply of liquid
2. Device according to claim 1, characterized in that 4, 35 are located on the body of the additional sleeve 5.

TECHNICAL FIELD The present invention relates generally to devices for atomizing liquids, and more particularly to devices for ultrasonic atomization of liquids.

BACKGROUND OF THE INVENTION Current industrial processes involving the delivery of liquids to workpiece surfaces require obtaining a high quality mist coverage and atomizers of various constructions.

Ultrasonic liquid atomization devices are the most advanced, such devices requiring no heating of the liquid during atomization.

Ultrasonic atomization device for liquids (contrast USSR patent no.
1237261), the device comprises an ultrasonic oscillator, a concentration device, a main sleeve fixed to the ultrasonic oscillator, an additional sleeve fixed to the concentration device, and its main body together with an exit hole in the inner surface. an auxiliary sleeve having a radial passageway in the center and attached to the end of the collecting device; and an auxiliary sleeve extending along the geometrical longitudinal axis of the collecting device and mechanically connected to the main sleeve and having a main body of the additional sleeve. a tube having a free end extending therethrough; a hollow rod having one end movably attaching the free end of the liquid supply tube and the other end communicating with the inlet hole of the radial passageway of the auxiliary sleeve; and a valve mechanically connected to the supply pipe to control the supply of liquid.

However, this device ensures the atomization of only homogeneous liquids, which limits its range of use.

Another drawback of this prior art device is liquid leakage resulting in excessive consumption of liquid.

DISCLOSURE OF THE INVENTION It is an object of the present invention to provide an apparatus for ultrasonic atomization of liquids, which has further components such that the apparatus is capable of atomizing two or more different liquids with mixing thereof. It is.

The object of the invention is to provide an ultrasonic oscillator with a collecting device, a main sleeve attached to the ultrasonic oscillator, an additional sleeve fixed to the collecting device, and an exit hole in the inner surface fixed to the end of the collecting device. and an auxiliary sleeve having radial passages in its body; and a liquid having a free end extending along the geometrical longitudinal axis of the collecting device and mechanically connected to the main sleeve and passing through the body of the additional sleeve. a hollow rod having one end movably attaching the free end of the liquid supply tube and the other end communicating with the inlet hole of the radial passage of the auxiliary sleeve; a valve connected to and controlling the supply of liquid;
According to the invention, there is provided an ultrasonic atomization device for liquids, comprising at least one or more devices extending along the geometrical longitudinal axis of the collecting device and mechanically connected to the main sleeve. further liquid supply tubes and corresponding further hollow rods, each having a number equal to the number of further liquid supply tubes and each having one end movably attaching a corresponding free end of the further liquid supply tube. a further valve for controlling the supply of liquid, which is connected to a supply tube for further liquid, the body of the auxiliary sleeve having a number of further radial passages equal to the number of further hollow rods; This is achieved by a device in which each inlet hole of the passage communicates with the other end of the corresponding further hollow rod, the outlet hole being arranged on the inner surface of the auxiliary sleeve.

Preferably, the surface of the end of the collecting device is provided with as many grooves as the number of liquid supply tubes, and the auxiliary sleeve is preferably arranged such that each groove of the collecting device communicates with the outlet hole of the corresponding radial passage. will be installed in

Each groove of the collecting device advantageously extends along its geometrical longitudinal axis.

Each groove of the collecting device suitably extends in a helical manner.

Each valve controlling the supply of liquid is advantageously arranged in the body of the additional sleeve.

The invention allows dissimilar liquids to be mixed and atomized simultaneously in one stage, resulting in a wider range of use of the device.

Furthermore, the present invention allows control of the respective flow rates of the mixed liquids.

In addition, the invention allows for the metering of liquids.

[Brief explanation of drawings]

The invention will be described in more detail with reference to various preferred embodiments in conjunction with the accompanying drawings in which: FIG.

FIG. 1 is an overall view of a liquid ultrasonic atomization device according to the present invention.

FIG. 2 is a cross section taken along arrow A in FIG.

FIG. 3 is a cross-section taken along line - of FIG. 1 showing the configuration of the radial passages.

FIG. 4 is an enlarged view of unit C in FIG.

FIG. 5 is an enlarged view of the end of the collecting device with a helically extending groove.

Preferred embodiment of the invention A liquid ultrasonic atomization device includes a collection device 2 (first,
2) and an ultrasonic oscillator 1 (FIG. 1). The oscillator 1 carries a main sleeve 3, which is provided in a collecting device, at its ends 4 there are additional and auxiliary sleeves, designated 5 and 6, respectively. three tubes 8 for liquid supply;
9, 10 (FIG. 1) are arranged along the longitudinal axis 7 of the collecting device 2, each of these tubes communicating with a respective container 11, 12, 13 with a liquid. Tubes 8, 9, 10 (FIG. 2) are located on the main sleeve 3. The free ends 14, 15, 16 (FIG. 1) of each of the tubes 8, 9, 10 extend through the body of the sleeve 5 and are connected to the inlet ends 17, 16 of the corresponding hollow rods 20, 21, 22. 18, 19. The body of the sleeve 6 is connected to the other end 2 of the corresponding hollow rod 20, 21, 22.
The sleeve 6 has three radial passages 23, 24, 25 (FIGS. 2 and 3) with an inlet hole in each passage communicating with the sleeve 6, 27, 28.
is provided on the inner surface 29 of. The end 4 of the collecting device 2 extends along its axis 7 and has tubes 8, 9,
10 (Fig. 1) and the same number of grooves 30, 31, 32.
(FIGS. 3 and 4), each groove communicating with an outlet hole of a corresponding passage 23, 24, 25 (FIGS. 3 and 4) of the sleeve 6. Controlling the flow rate of liquid 3
The three valves 33, 34, 35 are connected to the sleeve 5 (first
The valves are fixed to the main body of the figure), and each valve communicates with a respective pipe 8, 9, 10.

According to another embodiment of the collection device 2 of the ultrasonic atomization device for liquids, each groove 36, 37, 3 of the end 4
8 (FIG. 5) extends spirally. In other respects, the construction of the collecting device 2 is similar to that described with reference to FIGS. 1 and 2.

The provided liquid ultrasonic atomization device operates in the following manner.

Signals generated by an ultrasonic oscillator (not shown) are transmitted to an ultrasonic oscillator 1 (FIGS. 1 and 2) to induce ultrasonic vibrations in the ultrasonic oscillator.

Vibrations are transmitted from the oscillator 1 to the collecting device 2 because they emanate from the end 4 of the collecting device. At the same time, a plurality of liquids, such as liquids with different properties, are flowing along the tubes 8, 9, 10 into the containers 11, 12, 1.
3 to a part 4 of the gathering device 2. According to one feature of the invention, the use of a plurality of tubes 8, 9, 10 allows the atomization of different liquids where mixing prior to atomization is not preferred.

When mixing of different liquids is required, valves 33, 34,
35 (Fig. 1) has tubes 8, 9, 10 in suitable proportions.
along which act to control the supply of such liquid. This arrangement of the valves 33, 34, 35 can increase the field of view of the surface being treated and makes the device more convenient to handle. Liquid is in tubes 8, 9, 10
radial passages 23, 2 of the auxiliary sleeve 6 also along the corresponding hollow rods 20, 21, 22.
4, 25 (Figure 3). Liquid is in passage 2
3, 24, 25 into the corresponding grooves 30, 31, 32 (FIGS. 3, 4) of the collecting device 2. This feature of the invention prevents liquid leakage and excessive consumption of liquid during atomization.

The arrangement of the grooves 30, 31, 32 (FIG. 5) of the helical collecting device 2 makes it possible to intensify the atomization process.

The invention allows easy operation of the device.

In addition, the present invention can reduce the consumption of atomized liquid.

Industrial Application The invention can also be used in atomizers to obtain atomization, for example when dispensing liquids to various surfaces.

The present invention is further applied to internal combustion engines, fuel injection devices, and the like.