WAT E R C OOL E D C HA RG E D AIR C OOL E R A ND INT E G RAT E D

VAC U U M R E SE RV OIR F i el d of the I nventi on

The present invention relates to a water cooled charged air cooler and integrated vacuum reservoir which is placed between the turbo and engine intake manifold in the internal combustion engines, which transfers the air coming from the turbo to the ai r i ntake manif ol d by cool i ng, and has a vacuum reservoi r transf erri ng the ai r accumulating therein to the vacuum pump.

Background of the Invention In automotive sector, there are water cooled charged air coolers and integrated vacuum reservoirs which provides more combustion air by compressing the air in internal combustion engines, and which is located between the turbo and the engine intake manifold. The temperature of the air compressed by the turbo increases during this process. The density of the air decreases while its temperature increases. In combustion, in order to increase the density of the air which is a factor of efficiency, the engine intake temperatures should be decreased. For this reason, cooling process is realized via these coolers before sending the high temperature air to the engine. The increase in density of the cooled air enables the amount of air entering into the engine to increase, and thus the efficiency and the power capacity of the engine to increase consequently.

Vacuum reservoirs, which are being used especially in diesel engines in automotive and commonly used in gasoline engines today, have effect in turbo, E GR, and other elements in the engine operating with vacuum responding accurately and quickly, and thus in emission and engine performance. The vacuum reservoirs are connected to the vacuum pump in series, and they are operated by creating vacuum therein by means of discharging the air accumulated therein via the vacuum pump.

In internal combustion engines, in case the water cooled charged air cooler and integrated vacuum reservoir and the vacuum reservoir are used separately, package problems occur on the engine. Furthermore, additional connecting members (bolt, nut, etc.) are used for the separate connection of these elements, and this increases the cost. Apart from this, the large number of processes and time loss are other important problems during assembly of the engine.

In the state of the art, in the engines with water cooled charged air cooler and the vacuum reservoir, both elements are separately manufactured and mounted. Water cooled charged air cooler and the vacuum reservoir are independent from each other, and both parts are manufactured separately for each function.

Currently, there is no water cooled charged air cooler and integrated vacuum reservoir which is manufactured integrated with the vacuum reservoir and thus decreases the mounting time, which performs two different functions by taking less space, and which operates with the same efficiency by simplifying a complex system.

T he 0 bj ecti ve of the I nventi on

The objective of the present invention is to provide a water cooled charged air cooler and integrated vacuum reservoir which is benefited in a plurality of ways from single piece by manufacturing the parts produced separately as single piece in a single mold.

The objective of the present invention is to provide a water cooled charged air cooler and integrated vacuum reservoir which reduces the mounting time by decreasing the process during its mounting to the engine. The objective of the present invention is to provide a water cooled charged air cooler and integrated vacuum reservoir which reduces the part costs. An objective of the present invention is to provide a water cooled charged air cooler and integrated vacuum reservoir which enables to decrease the total weight of parts provided in the engine.

The objective of the present invention is to provide a water cooled charged air cooler and integrated vacuum reservoir which can easily be packed on the engine since it is single piece.

The objective of the present invention is to provide a water cooled charged air cooler and integrated vacuum reservoir which enables to eliminate the connecting members by si mpl ifyi ng a compl ex system.

Summary of the Invention

There is a body in a water cooled charged air cooler and integrated vacuum reservoir developed in order to realize the objective of the present invention and disclosed in the first claim and the other dependent claims. The body enables the air to be cooled with the coolant provided therein. First opening provided in the intake tank enables the air heated in the turbo to be taken inside the body. The hot air taken into the intake manifold first through the first opening is transferred to the body, it is cooled in the body and transferred to the air intake manifold through the second opening provided in the outlet tank. Furthermore, the air accumulated in the vacuum reservoir integrated with the outlet tank is pulled by the vacuum pump, and the vacuum is created therein. Detailed Description of the Invention A water cooled charged air cooler and integrated vacuum reservoir which is developed to fulfill the objective of the present invention is illustrated in the accompanying figures, in which Figure 1 is the perspective view of the vacuum reservoir used in the state of the art.

Figure 2 is the perspective view of the water cooled charged air cooler used in the state of the art.

Figure 3 is the top view of the water cooled charged air cooler used in the state of the art.

Figure 4 is the perspective view of the inventive water cooled charged air cooler and integrated vacuum reservoir.

Figure 5 is the perspective view of the inventive water cooled charged air cooler and i ntegrated vacuum reservoi r from another angl e.

Figure 6 is the perspective view of the inventive water cooled charged air cooler and i ntegrated vacuum reservoi r from another angl e.

Figure 7 is the perspective view of the inventive water cooled charged air cooler and i ntegrated vacuum reservoi r from another angl e.

Figure 8 is the front perspective view of the inventive water cooled charged air cool er and i ntegrated vacuum reservoi r.

Figure 9 is the top view of the inventive water cooled charged air cooler and integrated vacuum reservoir.

Figure 10 is the view of the cross section A -A of Figure 9.

The components shown in the figures are each given reference numbers as follows:

1. Water cool ed charged ai r cool er and i ntegrated vacuum reservoi r

2. Body

21. Fitting surface 3. Intake tank

31. First opening

4. Outlet tank

41. Second opening

5. Tab

6. Vacuum reservoir

61. V acuum reservoi r i nternal vol ume

A water cooled charged air cooler and integrated vacuum reservoir (1), which is used in internal combustion engines, gives the heated air to the engine by cooling it, and which transfers the vacuum by creating the vacuum therein, essenti al ly compri ses

- at least one body (2) in which the air coming by being compressed in the turbo is cooled,

- at I east one i ntake tank (3) whi ch transfers the ai r comi ng from the turbo to the body (2),

- at least one outlet tank (4) which transfers the air cooled in the body (2) to the air intake manifold,

- at least one tab (5) which enables the connection of the intake tank (3) and the outlet tank (4) to the body (2),

- at least one vacuum reservoir (6) which is connected to the vacuum pump in series and in which the vacuum is created.

In one embodiment of the invention, the temperature of the air compressed in the turbo increases. The body (2) enables the said air to be cooled with the coolant provided therein. In other words, the body (2) including a coolant therein is used for cooling the air heated in the turbo. In this embodiment of the invention, the body (2) is preferably in form of a rectangular prism, and it can also be formed in all shapes suitable for production. In one embodiment of the invention, there is an intake tank (3). The intake tank (3) transfers the air preferred to be cooled by taking it from the outlet of the turbo. The intake tank (3) is mounted on the body (2). In one embodiment of the invention, there is a first opening (31) at the end of the intake tank (3) connected to the turbo. The first opening (31) is made to take the air in the turbo into the intake tank (3).

In one embodiment of the invention, there is an outlet tank (4). The outlet tank (4) transfers the air cooled with coolant in the body (2) to the air intake manifold. The outlet tank (4) is mounted to the body (2) from its end where the intake tank (3) is not present. In one embodiment of the invention, there is a second opening (41) at the end of the outlet tank (4) connected to the air intake manifold. The second opening (41) enables the air coming to the outlet tank (4) after being cooled in the body (2) to the air intake manifold.

In one embodiment of the invention, there is a vacuum reservoir (6). The vacuum is generated in the vacuum reservoir (6) by discharging the air accumulated in the vacuum reservoir (6) by the vacuum pump. In this way, vacuum is supplied quickly to the parts driven with vacuum in the engine.

In one embodiment of the invention, there is a vacuum reservoir internal volume (61). The vacuum reservoir internal volume (61) is a part of the vacuum reservoir (6), and it enables the connection of the vacuum reservoir (6) to the vacuum pump via the connectors thereon. In one embodiment of the invention, the hot air taken inside the intake tank (3) through the first opening (31) is transferred to the body (2) comprising coolant therein in order to be cooled. The air cooled in the body (2) via the coolant is then transferred to the outlet tank (4). The second opening (41) present in the outlet tank (4) enables the cold air to be transferred to the air intake manifold. In one embodiment of the invention, the outlet tank (4) and the vacuum reservoir (6) are produced integrated in a single mold. By this means, water cooled charged air cooler and integrated vacuum reservoir (1) which performs two functions take less place. In one embodiment of the invention, there are fitting surfaces (21) on both side surfaces of the body (2) which allow the connection of the intake tank (2) and the outlet tank (4) to the body (2).

In one embodiment of the invention, there are tabs (5) on the surfaces of the intake tank (3) and the outlet tank (4) preferred to be connected to the body (2). The intake manifold (3) and the outlet tank (4) are mounted to the fitting surfaces (21) provided on the body (2) via the tabs (5), and the locking is enabled. In order to securely connect the intake tank (3), body (2), and the outlet tank (4) through which the hot air passes in a pressurized way to each other and not to experience any leakage, the tabs (5) and the fitting surfaces (21 ) enables the secure connection between the body (2) and the intake tank (3), and between the body (2) and the outlet tank (4). The tabs (5) eliminate the requirement to use connecting members in mounting the intake tank (3) and the outlet tank (4) integrated with the vacuum reservoir (6) to the body (2). By means of the tabs (5), a secure connection is realized with less connecting members and mounting processes.

In this embodiment of the invention, the hot air taken from the turbo is taken inside the intake tank (3) through the first opening (31). The intake tank (3) is designed in a suitable geometry that will minimize the pressure decreases, and it optimizes the air flow and increases the cooling efficiency.

In this embodiment of the invention, the outlet tank (4) and the vacuum reservoir (6) are integrated to each other. Since the outlet tank (4) and the vacuum reservoir (6) have inner walls attached to each other, the cold air is transferred to the air intake manifold, and vacuum environment can be provided at the same time, and the fluids are not mixed in any way. However, they do not provide any technical benefits to each other. Even though the outlet tank (4) and the vacuum reservoir (6) are produced integrated to each other, their inlets are different from each other, being the second opening (41) and the vacuum reservoir internal volume (61).

T he i nventi ve water cool ed charged ai r cool er and i ntegrated vacuum reservoi r ( 1 ) can perform more than one function at the same time by means of its integrated structure. By this means, the mounting costs are reduced, a smaller space is used for two different functions, and the mounting time is decreased. By means of the water cooled charged air cooler and integrated vacuum reservoir (1), a complex system is simplified, and there the use of connecting members is decreased. Furthermore, by means of cooling the air transferred to the engine and generating vacuum, vacuum is supplied to the elements driven with vacuum and the power capacity and performance of the engine is increased.