RU188641U1 - EXPANSION TANK - Google Patents

Abstract

The invention relates to the engineering industry, namely to the cooling system of the internal combustion engines of the vehicle. The expansion tank contains a housing (1), which consists of the bottom part (2) and the top part (3) that are welded along the flange. The body (1) is made with internal longitudinal partitions (4) and transverse partitions (5) having openings (6) for the passage of fluid. In the lower part (2) of the housing (1) there is a well (7) with a continuous partition (8), in which the nozzle (9) for supplying coolant from the engine, the outlet nozzle (10) for cooling fluid, the nozzle (11) for supplying coolant from the cabin heating system and pipe (12) for removing steam from the radiator. In the upper part (3) of the housing (1), a recess is made in which the sensor (13) for controlling the liquid level is located. Also, the upper part (3) of the housing (1) is equipped with a threaded nipple (14) for a sensor for monitoring the level of a liquid. In the upper part (3) on the horizontal platform of the body (1) there is a filler neck (15) into which the plug (16) is installed with an integrated valve block, which are operated for vacuum and overpressure and the shutter socket (17), which is located inside the expansion tank . Inside the upper part (3) of the housing (1), the bolt (17) passes into the filler neck (15), while the axis of the bolt (17) and filler neck (15) is inclined to the horizontal area of the upper part (3) of the shell ( one). In the lower part (2) of the side walls of the housing (1) there are fastening elements (18), and in the upper part 3 on the horizontal platform of the housing (1) there are additional fastening elements (19) made with stiffeners. On the side surface of the expansion tank labeled "MAX" and "MIN" to indicate the level of fill the coolant. 6 Il.

Description

The invention relates to the engineering industry, namely to the cooling system of the internal combustion engines of the vehicle.

Known expansion tank for the cooling system of the vehicle, containing the main body, made in the form of a section of the profile and hermetically closed with two closing elements, the chamber of the coolant, which through the connecting nipple and the vent nipple is in fluid communication with the cooling system, the expansion chamber, separated by a wall from coolant chamber, and an overflow pipe that has ends for connecting the upper region of the coolant chamber to the lower area of the extension ritelnoy chamber (see. the application for invention RU №2014103059 A IPC F01P 11/02 (2006.01), published on 08.10.2015).

Known expansion tank cooling system containing capacity, supply and discharge pipelines, filling neck with a glass and stopper, steam-air valve, protective glass, located under the steam-air valve, having a grid on the surface of the shell, and the cavity under the steam-air valve communicated through the bottom of the protective glass with cavity containers at the level below the level of the filling neck (see patent for invention No. 2217609 C1, IPC F01P 11/00 (2000.01), published 11/27/2003).

Known expansion tank, comprising a housing made of upper and lower parts interconnected, and provided with a filling neck, stiffening ribs located inside the tank, branch pipes and fastening elements on the car, while the housing is designed as a sphere, contains in the lower part elements mounting fluid level sensor and provided with stiffeners directed to the center line of the tank (see the patent for utility model No. 132135 U1, IPC F01P 11/18 (2006.01), published 10.09.2013).

Known expansion tank, comprising a housing with a filler neck, located in its upper part and provided with a stopper, supply and discharge nozzles, a rod sensor for controlling the level of fluid installed in the tank housing, while on the upper surface of the tank body there is an opening with a sensor installed in it, and the tank is equipped with a sensor clamp mounted on the filler neck below the stopper and provided with a platform interacting with the sensor butt end, in addition the clamp is provided with a stop located diametrically And opposite to the contact pad and having the possibility of contact with the tank body, the sensor mounting hole is provided with an internal sleeve, and the sensor end located in the sleeve is provided with annular grooves in which there is a seal (see U.S. Patent No. 163937, IPC F01P 11 /18(2006.01), published 08/20/2016).

A well-known expansion tank with a shaped geometrical shape, coolant supply and discharge connections, a filler neck and a tank fastening surface to the car body under the hood, two shell lugs having an internal open volume with a coolant filling level not exceeding the throat boundary level, One of the protrusions is made of two protrusions of a tubular form with a gaping space that ensures the fixing of the inlet and outlet hoses due to their attachment to conical stupas having, like tubular-shaped protrusions, openings, in addition, the expansion tank at the base has a nozzle, the lower border of the opening of which coincides horizontally with the tank base, while the nozzle has a smooth radius transition on its outer surface and the expansion cavity is made shaped groove, and on the neck of the expansion tank made segments of discontinuous and overlapping spiral edges, the pipe with the body has radius transitions, while the bottom of the tank asshiritelnogo arranged protrusions and recesses (see. patent for invention No. 2244839 C2, IPC F01P 3/20 (2000.01), published January 20, 2005).

Known expansion tank, comprising a housing made of two parts - upper and lower, welded along the flange, and provided with a filling neck, stiffening ribs, nozzles and fastening elements, and the housing is made in a shape close to a cube with rounded corners forming at the top parts of bosses for mounting the clamp, and at the bottom - bosses for the level sensor, and an emphasis in the form of a threaded cylinder; in addition, it is equipped with additional stiffening ribs located along the perimeter and at the filler neck (see The practical model №32833 U1, IPC F01P 11/18 (2000.01), published September 27, 2003).

Known expansion tank for the cooling system of the vehicle, containing the cooling chamber for receiving coolant, which through at least one connecting nipple and at least one ventilation nipple is in fluid communication with the cooling system, the expansion chamber, which is separated by a dividing wall from the chamber coolant and is located under the coolant chamber, and an overflow pipe that has first and second ends for connecting the upper region and a coolant chamber with a lower region of the expansion chamber, wherein the coolant chamber is provided with at least one locking device, the expansion tank contains a main body, hermetically closed with at least two closing elements and made as a section of a profile, in particular an extruded profile, a locking the device and the vent nozzle are mounted with the formation of the corresponding holes in the main body, in addition the separation wall is inclined at an angle of 2 0 ° to the horizontal, the bottom of the main body contains the first and second bottom areas, the first and second bottom areas are V-shaped, the locking device contains a reducing valve, the overflow pipe is at least partially located outside the expansion tank (see patent for invention No. 2638428 C2, IPC F01P 11/02 (2006.01), published 12.13.2017).

The prototype of the claimed technical solution for the combination of essential features and the achieved technical result is an expansion tank, comprising a housing made of upper and lower parts welded along the flange, a filler neck, upper nozzles for supplying coolant from the engine and removing steam from the radiator, the lower outlet , a boss for a control sensor located in the lower part of the body, fastening elements located in the lower part of the body, while the body is additionally equipped the neck for the cork with the valve block, the filler neck is located on the lowered section, made in the upper part of the body, on the side of the body in the location of the upper branch pipes a recess is made, in addition, the end of the steam discharge pipe is located below the liquid level in the tank, where the tank is made with internal the partitions having holes, fastening elements are made in the form of four protrusions located in the lower part of the tank, and brass bushings are installed in the upper and lower pipes (see patent for utility model No. 106660 U1, IPC F01P 11/00 (2006.01), published on July 20, 2011).

Known solutions in most cases have insufficient reliability in operation associated with the possible appearance of a leakage through the safety valve and the cork stopper, as well as the location of the sensor for monitoring the level of liquid in the boss.

The objective of this utility model is to improve the reliability during operation of the structure.

The task is achieved by the fact that the expansion tank, comprising a housing made with internal partitions having openings, and consisting of upper and lower parts welded along the flange, branch pipes for supplying coolant from the engine and for removing steam from the radiator, outlet branch pipe, monitoring sensor fluid level, fasteners located in the lower part of the body, filler neck, plug with valve block, the body in the lower part is additionally equipped with a pipe for supplying coolant from C Cabin heating systems, a well with a solid partition, in which are placed a pipe for supplying coolant from the engine, a pipe for draining coolant and a pipe for supplying coolant from the cabin heating system, and in the upper part it is equipped with a threaded pipe for a level sensor and a gate valve the bell, turning into the filler neck, while the axis of the bolt-cap and the filler neck is inclined to the horizontal plane of the upper part of the body, in addition, in the upper part body are additional mounting elements with stiffeners, and internal partitions hulls are transverse and longitudinal.

The set of distinctive features, which consists in the fact that the expansion tank casing in the lower part is additionally equipped with a pipe for supplying coolant from the cabin heating system, a well with a solid partition in which the pipe for supplying coolant from the engine, pipe for discharging coolant and pipe for supplying coolant from the cabin heating system, and in the upper part it is equipped with a threaded nipple for a sensor for monitoring the level of fluid and a shutter socket, passing m in the filler neck, while the axis of the bolt-in bell and filler neck is inclined to the horizontal plane of the upper part of the body, in addition, in the upper part of the body there are additional fastening elements with stiffeners, and the internal partitions of the body are made transverse and longitudinal, improves reliability during operation of the structure.

The invention is illustrated by the following drawings:

FIG. 1 - expansion tank, a general view in isometry;

FIG. 2 - the same, top view;

FIG. 3 - the same, left view;

FIG. 4 is the same, section A-A of FIG. 2, in isometry;

FIG. 5 - the same, section bb FIG. 2, in section;

FIG. 6 - the same, section B-B and G-D of FIG. 3, a general view in isometry.

The expansion tank includes a housing 1, which consists of flange-welded lower part 2 and upper part 3. The housing 1 is made with internal longitudinal partitions 4 and transverse partitions 5 having openings 6 for the passage of fluid. In the lower part 2 of the housing 1 there is a well 7 with a solid partition 8, in which are placed the pipe 9 for supplying coolant from the engine, the outlet pipe 10 of the cooling liquid, the pipe 11 for supplying the cooling liquid from the cabin heating system and the pipe 12 for removing steam from the radiator . The presence in the housing 1 of the well 7 allows you to enhance the degassing processes in the coolant in contact with the vapor-air environment. When operating a vehicle, the presence of internal longitudinal partitions 4 and transverse partitions 5 prevents the coolant from vibrating in the expansion tank space and mixing the vapor-air medium with the cooling agent, as well as strong movement, agitation and foaming of the coolant in the expansion tank when the vehicle is moving, which contributes to degassing processes . Thus, the presence of the well 7 reduces the probability of the gas phase entering the expansion chamber from the expansion chamber into the engine cooling system and sending a homogeneous coolant to the cooling system without the gas phase present in it, and the presence of its continuous bulkhead 8 allows the separation pipe 9 to separate the coolant from engine, pipe 10 of the coolant outlet and pipe 11 for the supply of coolant from the cabin heating system, thereby preventing the interaction of fluid flows and macaw. In addition, in the lower part of the case there is a pipe 12 for removal of steam from the radiator. In the upper part 3 of the housing 1 a recess is made, in which the sensor 13 for controlling the level of the liquid is located. This sensor allows you to constantly monitor the level of fluid in the expansion tank and allows you to monitor the flow and decrease in the amount of fluid during operation, and the constancy of the level indicates the health of the cooling system itself, which generally determines the reliability of the entire system, affecting the reliability of the engine. Also, the upper part 3 of the housing 1 is provided with a threaded nozzle 14 for a sensor for monitoring the level of a liquid. In the upper part 3 on the horizontal platform of the housing 1 there is a filler neck 15, into which the plug 16 is installed with an integrated valve block, which operates on the vacuum and overpressure, and the valve socket 17, which is located inside the expansion tank. Inside the upper part 3 of the housing 1, the shutter bell 17 passes into the filler neck 15, while the axis of the bolt socket 17 and the filler neck 15 is located inclined to the horizontal platform of the upper part 3 of the housing 1. This arrangement under the slope ensures reliable filling with coolant without spilling . In the lower part 2 of the side walls of the housing 1 there are fastening elements 18, and in the upper part 3 on the horizontal platform of the housing 1 there are additional fastening elements 19, made with stiffening ribs, which allow the expansion tank to be fixed to the bottom and front wall of the tilting cabin and prevent the expansion tank during operation.

On the side surface of the expansion tank labeled "MAX" and "MIN" to indicate the level of fill the coolant.

Expansion tank works as follows.

The surge tank is installed outside to the floor of the vehicle cabin through fasteners 18 and 19, equipped with stiffeners. The cooling system of the internal combustion engine is filled with coolant to the level located between the marks "MAX" and "MIN". Remote control of the coolant level is carried out by means of the sensor 13 for monitoring the level of the liquid, the signal from which is displayed on the workplace of the driver of the vehicle. During the operation of the cooling system associated with the formation of vapor-air medium in the coolant, this medium is forced out through pipelines to the highest point of the system where the expansion tank is located. Due to the passage of coolant inside the expansion tank from the pipe 9 for supplying coolant from the engine to the outlet pipe 10 of the coolant along the long path, longer degassing occurs and the likelihood of vapor-vapor medium with the cooling medium in the cooling system is reduced. Steam-air environment during its passage through the coolant in the expansion tank in the housing 1 is separated from the liquid phase and sent to the valve socket 17, thus eliminating the leakage of liquid when the safety valve in the plug 16 with the valve block. When the system works well 7 with a solid partition 8 prevents the vapor-air medium from the housing 1 from entering the cooling system. When the system is not working, if it is necessary to tilt the vehicle cabin, the expansion tank rotates with the cabin so that the inlet part of the shutter 17 rises, thereby not allowing the coolant to get to the plug 16 with the valve block, eliminating its entrance to the valve inlet, allows you to eliminate leakage. In this case, the coolant in the tank is poured in such a way that the coolant does not get into the inside of the bolt 17, thereby eliminating the direct effect of the coolant on the plug 16 with the valve block of the expansion tank. Thus, with the various operating conditions of the cooling system created, the efficiency of its operation and its functional reliability increase.

The technical solution allows to increase the reliability during operation of the structure with minimal coolant leakage both during the operation of the internal combustion engine and during operations associated with tilting the vehicle cabin.

The claimed utility model meets the requirement of industrial applicability, its implementation is possible on standard process equipment using previously mastered technologies.

Claims (1)

Expansion tank, comprising a housing made with internal baffles having openings, and consisting of upper and lower parts welded along the flange, pipes for supplying coolant from the engine and for removing steam from the radiator, a discharge pipe, a sensor for controlling the level of the liquid, fastening elements, located in the lower part of the body, filler neck, plug with a valve block, characterized in that the body in the lower part is additionally equipped with a pipe for supplying coolant from the heating system of the cab , with a well with a solid partition, in which are placed a pipe for supplying coolant from the engine, a pipe for draining coolant and a pipe for supplying coolant from the cabin heating system, and in the upper part it is equipped with a threaded pipe for a level sensor and a shutter socket, passing into the filler neck, while the axis of the bolt and the filler neck is inclined to the horizontal plane of the upper part of the body, in addition, in the upper part of the body is located s additional mounting elements with stiffeners, and internal partitions hulls are transverse and longitudinal.

Images