SYSTEM FOR CLEANING OF WINDSHIELDS AND HEADLIGHTS OF

MOTOR VEHICLES

TECHNICAL FIELD

The invention constitutes a vehicle cleaning system designed to remove rain and debris from windshields or headlights on a vehicle and would find application in the production of all types of motor vehicles.

BACKGROUND ART

One may find a variety of systems for cleaning windshields that usually consist of electric powered wipers with cleaning blades and a spray device for dispensing cleaning fluid on the surface. The spray device includes a reservoir, which is connected to a spray pump through a system of flexible connections, and nozzles installed near the surface.

However, the effectiveness of the systems currently used is limited by the following factors:

- The spraying of the cleaning liquid on the surface being cleaned is not sufficiently uniform, which reduces the quality of cleaning;

- Icing on the wiper blades in the winter makes the cleaning process ineffective;

- Cleaning stubborn stains, such as bodies of insects on the front windows and lights in summer conditions is poor.

SUMMARY OF THE INVENTION

The goal of the invention is to create a highly effective board system for cleaning windows and headlights on the vehicles, regardless of climatic and weather conditions.

In order to achieve this, a system for cleaning windshields of vehicles has been designed which includes electric powered wipers, whose blades are embedded with devices for spraying cleaning fluid on the surface. The cleaning blade is designed in such a way that its inside is a cylindrical cavity where a hollow cylindrical body is embedded. Along the surface of said body are situated nozzles, which are openings for spraying a cleaning fluid under pressure. They are located at equal distances from each other along the length of the body on the lower side of the blade. For each of the nozzles of the hollow cylindrical body there is an opening in the cleaning blade which let the cleaning liquid pass from the nozzle to the surface being cleaned. The blade is designed to have two cleaning edges while the contour of its cross section that connects the vertices of the two edges is a semicircle. On one of the sides of the blade is situated an opening to the cavity of the cylindrical body where a connector is mounted.

The system also includes a tank, a pump, and a heater for supplying the hollow cylindrical body with cleaning fluid at a temperature consistent with the climatic conditions. The output of the heater is connected to the connector through a flexible link. The heater is designed so that it allows vaporization of the cleaning liquid in harsh winter conditions.

The advantages of the newly invented system compared to known systems consist of the following:

- Dispersion of liquid under high pressure and in close proximity to the cleaned surface, ensuring efficient cleaning of stubborn stains;

- Formation of a partially closed area between the two edges of the cleaning blade and the surface being cleaned, ensuring an even application of the cleaning fluid, and better cleaning;

- The presence of a heater that allows the submission of heated fluid or steam to the wiper ensuring efficient cleaning in harsh winter conditions.

DESCRIPTION OF THE FIGURES IN THE DRAWINGS

- Figure 1 shows the top view of the wiper used in the system;

- Figure 2 shows an A-A cross-section across the length of the wiper;

- Figure 3 presents a B-B cross-section along the length of the wiper;

- Figure 4 presents the block diagram of the system.

DETAILED DESCRIPTION OF THE EMBODIMENTS

An example implementation of the system according to the invention is shown in Figures 1 to 4. The system is equipped with electric powered wipers that are compatible with the popular assembly of the prior cleaning systems. The cleaning blade 1 is shaped so that along its length is situated a cylindrical cavity where a hollow cylindrical body 2 is embedded. Along the surface of that body are plurality of nozzles 3, which are openings for spraying a cleaning fluid under pressure. They are located at equal distances from each other along the length of the body 2 on the lower side of the blade 1. For each of the nozzles 3 of the hollow cylindrical body 2 there is exit 3.1 in the cleaning blade 1 for dispersing cleaning fluid from the nozzle 3 to the surface being cleaned. The cleaning blade 1 is designed with two cleaning edges 1.1, while the contour of its cross-section, which connects the vertices of the two edges 1.1 is in the shape of a semicircle. On one of the sides of the blade 1 is situated an opening to the cavity of the cylindrical body 2 where a connector 4 is mounted. The system also includes a tank 5, a pump 6, and a heater 7 for supplying the hollow cylindrical body 2 with cleaning fluid at a temperature consistent with the climatic conditions. The output of the heater is connected to the connector 4 through a flexible link 8. The heater 7 is designed so that it allows vaporization of the cleaning liquid in harsh winter conditions.