Structure for reducing agent tank
A reducing agent and structural technology, applied in exhaust gas treatment, liquid/fluid solid measurement, engine lubrication, etc., can solve the problems of urea water leakage, damage, detachment, etc.
Active Publication Date: 2012-07-18
ISUZU MOTORS LTD +1
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Problems solved by technology
In addition, the water level pipe 2 is exposed on the outside of the vehicle for easy confirmation by the operator, that is, to ensure visibility. Therefore, for example, when the operator stacks and unloads transported goods on the cargo bed of the vehicle, the work rope may be caught. The water level pipe 2, in this case, there is a risk that the water level pipe 2 is detached from the joint pipes 21, 22 or damaged, so that the urea water leaks from the urea water tank 1
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[0024] Preferred embodiments of the present invention will be described based on the drawings.
[0025] In addition, the same code|symbol is attached|subjected to the member which has the equivalent function to the member shown in the conventional example, and description is abbreviate|omitted. In addition, as the reducing agent tank, a urea water tank will be described.
[0026] Such as figure 1 As shown, the aqueous urea tank 1 has a tank case 10 formed in a substantially cubic shape, and accommodates aqueous urea therein. An injection port 7 for urea water is provided on the upper part of the front surface 12 of the tank case 10 , and a cover 8 is mounted on the injection port 7 . An opening (not shown) is opened in the upper surface 11 of the case 10 into which various pipes can be inserted collectively, and a unitized pipe assembly 3 is attached as a pipe fitting member to the cover plate 4 covering the opening. The urea water tank 1 is made of a resin material with h...
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A structure for a reducing agent tank is configured so that, without requiring an additional part such as a catching prevention protector, a worker and a working tool, etc. carried by the worker are not caught by a liquid level hose. A rectangular-parallelepiped-shaped tank shell (10) for containing a reducing agent such as an aqueous urea solution is formed. Joint pipes (21, 22) are provided to the tank shell (10) so as to be located at positions different from each other in the direction of the height of the tank shell (10). A liquid level hose (2) is formed along the outer side of the tank shell (10). The liquid level hose (2) interconnects the joint pipes (21, 22) to allow the liquid in the tank to circulate therethough and indicates the level of the liquid. A portion of the tank shell (10) is caused to protrude along the liquid level hose (2) so as to be close to the liquid level hose (2).
Description
technical field [0001] The invention relates to a structure of a reducing agent box used in an automobile exhaust gas purification device. Background technique [0002] Generally speaking, the reducing agent tank is set in the exhaust gas purification device, and there is a urea water tank in it. Such as image 3 with Figure 4 As shown, the urea water tank 1 is formed into a box shape, and an injection port 7 is provided on one end side of the upper part, and a pipe assembly 3 is installed in the approximate center of the upper surface 11. This pipe assembly 3 is assembled with various pipes (for example, refer to patent File 1, 2). The urea water tank 1 is installed, for example, on the lower side of the body frame of a large vehicle such as a truck. In addition, 4 is a cover plate, and 8 is a cap. [0003] A water level pipe 2 is provided outside the urea water tank 1 so that the operator can confirm the liquid level in the urea water tank 1 when supplying urea water ...
Claims
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IPC IPC(8): F01N3/08B01D53/94G01F23/02
CPCF01N2610/1413B60K13/04Y02T10/24F01N2610/1406F01N3/2066G01F23/02F01N2610/02Y02A50/20Y02T10/12
Inventor 户塚章浩小平和宏
Owner ISUZU MOTORS LTD