JPS6114574Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an exhaust manifold device for an internal combustion engine, and its purpose is to not only prevent exhaust interference from each cylinder, but also to standardize exhaust manifold parts within an engine series. An object of the present invention is to provide an exhaust manifold device for an internal combustion engine that can achieve the following.

Hereinafter, the present invention will be explained with reference to the drawings. 1st
What is shown in the figures and FIG. 2 is a first exhaust pipe member 1, which has a connecting flange 3 formed at one end of a right-angled pipe main body 2 and a mounting seat 4 formed at the other end. , from the end face of the connection flange 3 to the mounting seat 4
The distance to the bolt hole 5 is set to α.

What is shown in FIGS. 3 and 4 is a second exhaust pipe member 6. This second exhaust pipe member 6 has connecting flanges 8, 9 provided at both ends of a pipe main body 7 made of a straight pipe, and a pipe main body 7. An opening 10 is provided at the center of the opening 10, and a mounting seat 11 is provided at the end of the opening 10.
The distance between the end faces of the connecting flanges 8, 9 and the bolt holes 12, 13 of the mounting seat 11 is set to α.

What is shown in FIG. 5 is a third exhaust pipe member 14, in which the pipe body 1 consists of a straight pipe part 15 and a curved pipe part 16.
Connecting flanges 18 and 19 are provided at both ends of the straight pipe part 15, and a mounting seat 21 is provided at the end of the opening part 20. The distance from the bolt hole 22 of the mounting seat 21 to the bolt hole 22 of the mounting seat 21 is set to α, and the distance from the end face of the connecting flange 19 on the side of the curved pipe portion 16 to the bolt hole 23 of the mounting seat 21 is set to α+β.

What is shown in FIG. 6 is a fourth exhaust pipe member 24, which is provided with connection flanges 28 and 29 at both ends of a pipe main body 27 consisting of a straight pipe part 25 and a bent pipe part 26. The straight pipe part 25 is provided with a mounting seat 30, and the distance from the end face of the connecting flange 28 of the straight pipe part 25 to the bolt hole 31 of the mounting seat 30 is α, and from the end face of the other connecting flange 29. The distance to the bolt hole 32 of the mounting seat 30 is set to α+β.

What is shown in FIGS. 7 and 8 is a fifth exhaust pipe member 33, and this fifth exhaust pipe member 33 has connecting flanges 36 at both ends of straight pipe portions 34 and 35 arranged in parallel on a pipe body 36, respectively. ,37,38,39
An opening 40 is provided at the center of one of the straight pipe parts 34, and a mounting seat 41 is provided at the end of the opening 40. The distances are each set to α.

What is shown in FIGS. 9 and 10 is a sixth exhaust pipe member 44. This sixth exhaust pipe member 44 has connecting flanges 48, 49, 50, and 51, a mounting seat 52 is provided at the center of one straight pipe section 46, and an opening 53 of the mounting seat 52 is communicated with the center of the other straight pipe section 47, and the connecting flange 48, 4
The distance from the end face of the mounting seat 52 to the bolt holes 53, 54 of the mounting seat 52 is set to α.

Each distance α is constant, and the distance β is the cylinder pitch.

In addition, connection flanges 3, 8, 9, 18, 19,
28, 29, 36, 37, 38, 39, 48, 4
The connection between 9, 50, and 51 is made by inserting the connecting connector 55 into the fitting grooves 53 and 54 formed in the connecting flanges (representatively 3 and 8), as shown in FIG.

In the exhaust manifold device for a 12-cylinder V-type engine, as shown in FIGS. 12 to 14, the exhaust manifolds are connected to separate systems for cylinders that are similar in ignition order to prevent exhaust interference. A
is the right bank and B is the left bank.

The exhaust manifold combination for right bank A (when the turbocharger is at the rear) is as shown in FIG. 13.

In FIG. 13, the first exhaust pipe member 1 is placed on the exhaust port side of the first cylinder #1, the second exhaust pipe member 6 is placed on the exhaust port side of the second cylinder #2, and the second exhaust pipe member 6 is placed on the exhaust port side of the third cylinder #3. The third exhaust pipe member 14 is connected via the mounting seats 4, 11, 21 of each exhaust pipe member 1, 6, 14, and the first and second exhaust pipe members 1, 6 are connected at the connecting flanges 3, 8. , the second and third exhaust pipe members 6 and 14 are connected to each other via the connecting connector 55 at the connecting flanges 9 and 18, respectively.

The first exhaust pipe member 1 is located on the exhaust port side of the fourth cylinder #4, the fifth exhaust pipe member 33 is located on the exhaust port side of the fifth cylinder #5, and the fifth exhaust pipe member 33 is located on the exhaust port side of the sixth cylinder #6. 5 Exhaust pipe member 33 is attached to each mounting seat 4, 4
1, and the connecting flange 19 of the third exhaust pipe member 14 is connected to the connecting flange 39 of the fifth exhaust pipe member 33 on the fifth cylinder #5 side, and the first exhaust pipe member 39 on the fourth cylinder #4 side. The connecting flanges 3 of the pipe member 1 are connected to the connecting flanges 37 of the fifth exhaust pipe member 33 via connectors 55, respectively.

The connection flanges 36 and 38 of the fifth exhaust pipe member 33 on the side of the fifth cylinder #5 are connected to the connection flanges 37 and 39 of the fifth exhaust pipe member 33 on the side of the sixth cylinder #6, respectively, via the connection connector 55. be.

Further, the left bank B becomes as shown in FIG.

In FIG. 14, the first exhaust pipe member 1 is placed on the exhaust port side of the first cylinder #1, the second exhaust pipe member 6 is placed on the exhaust port side of the second cylinder #2, and the second exhaust pipe member 6 is placed on the exhaust port side of the third cylinder #3. The fourth exhaust pipe member 24 is connected to each exhaust pipe member 1, 6, 24 through the mounting seat, and the first and second exhaust pipe members 1, 6 are connected to the connecting flange 3, 8.
, the second and fourth exhaust pipe members 6 and 24 are connected to the connection connector 55 at the connection flanges 9 and 28.
They are connected to each other via.

The first exhaust pipe member 1 is located on the exhaust port side of the fourth cylinder #4, the fifth exhaust pipe member 33 is located on the exhaust port side of the fifth cylinder #5, and the fifth exhaust pipe member 33 is located on the exhaust port side of the sixth cylinder #6. 5 Exhaust pipe member 33 is attached to each mounting seat 4, 4
1, and the connection flange 29 of the fourth exhaust pipe member 24 is connected to the connection flange 39 of the fifth exhaust pipe member 33 on the fifth cylinder #5 side, and the first exhaust pipe member 33 on the fourth cylinder #4 side. The connecting flanges 3 of the pipe member 1 are connected to the connecting flanges 37 of the fifth exhaust pipe member 33 via connectors 55, respectively.

The connection flanges 36, 38 of the fifth exhaust pipe member 33 on the fifth cylinder #5 side are connected to the connection flanges 37, 39 of the fifth exhaust pipe member 33 on the sixth cylinder #6 side via connection connectors 55, respectively.

The exhaust manifold connection and ignition order of the 8-cylinder V-type engine are as shown in FIG. 15, and the combination of the right bank A is as shown in FIG. 16.

That is, the first exhaust pipe member 1 is connected to the exhaust port side of the first cylinder #1, the third exhaust pipe member 14 is connected to the exhaust port side of the second cylinder #2, the first exhaust pipe member 1 is connected to the exhaust port side of the third cylinder #3, and the fifth exhaust pipe member 33 is connected to the exhaust port side of the fourth cylinder #4 via mounting seats 4, 21, 41, respectively.
The connection flange 3 of the first exhaust pipe member 1 is connected to the connection flange 18 of the third exhaust pipe member 14, the connection flange 19 of the third exhaust pipe member 14 is connected to the connection flange 39 of the fifth exhaust pipe member 33, and the connection flange 3 of the first exhaust pipe member 1 is connected to the connection flange 37 of the fifth exhaust pipe member 33, each via a connection connector 55.

As shown in FIG. 17, the left bank B combination has a fourth exhaust pipe member 24 on the exhaust port side of the first cylinder #1.
However, the first exhaust pipe member 1 is located on the exhaust port side of the second cylinder #2, the sixth exhaust pipe member 44 is located on the exhaust port side of the third cylinder #3, and the fifth exhaust pipe member 44 is located on the exhaust port side of the fourth cylinder #4. The exhaust pipe member 33 is attached to the mounting seats 4, 52, 3, respectively.
One connecting flange 28 of the fourth exhaust pipe member 24 is closed by a lid 28', and the other connecting flange 29 is connected to the connecting flange 50 of the sixth exhaust pipe member 44 through a connector 55.
The connecting flange 3 of the first exhaust pipe member 1 is connected to the connecting flange 48 of the sixth exhaust pipe member 44, and the connecting flange 4 of the sixth exhaust pipe member 44 is connected to the connecting flange 48 of the sixth exhaust pipe member 44.
9, 51 is the connection flange 3 of the fifth exhaust pipe member 33
6 and 38 via connectors 55, respectively.

Further, the left bank B of the exhaust manifold combination for a 16-cylinder V-type engine is as shown in FIG.

In other words, there is a first cylinder on the exhaust port side of the first cylinder #1.
The exhaust pipe member 1 is provided on the exhaust port side of the second cylinder #2, the fourth exhaust pipe member 24 is provided on the exhaust port side of the third cylinder #3, and the first exhaust pipe member 1 is provided on the exhaust port side of the third cylinder #3.
Further, a fifth exhaust pipe member 33 is provided on the exhaust port side of the fourth to sixth cylinders #4 to #6, and a fifth exhaust pipe member 33 is provided to the seventh and eighth cylinders.
Sixth exhaust pipe members 44 are provided on the exhaust port sides of cylinders #7 and #8, respectively.

The connection flange 3 of the first exhaust pipe member 1 is connected to one of the connection flanges 28 of the fourth exhaust pipe member 24.
The other connection flange 2 of the fourth exhaust pipe member 24
9 is connected to the connecting flange 38 of the fifth exhaust pipe member 33 on the fourth cylinder #4 side, and the connecting flange 3 of the first exhaust pipe member 1 of the third cylinder #3 is connected to the connecting flange 36 of the fifth exhaust pipe member 33 via a connecting connector 55.
The connecting flanges 37, 39 of the fifth exhaust pipe member 33 of the fifth cylinder #5 are connected in series to the connecting flanges 36, 38 of the fifth exhaust pipe member 33 of the fifth cylinder #5, and so on up to the fifth exhaust pipe member 33 of the sixth cylinder #6. The connecting flanges 37, 39 of the fifth exhaust pipe member 33 on the sixth cylinder #6 side are connected to the connecting flanges 48, 50 of the sixth exhaust pipe member 44, and the connecting flanges 49, 51 of the sixth exhaust pipe member 44 are connected to the connecting flanges 48, 50 of the sixth exhaust pipe member 44 on the eighth cylinder #8 side, respectively, via connecting connectors 55.

Further, the exhaust manifold combination of the right bank A is the same as that of the left bank B.

Since the present invention has been described in detail above, in engines with the same cylinder pitch, V6, V8, V1
The first to sixth exhaust pipe members 1, 6, 14, 24, 33, which are common parts with 0, V12, and V16,
It becomes possible to configure an exhaust manifold with 44 combinations, and it also becomes possible to absorb thermal expansion at the connection parts of the first to sixth exhaust pipe members 1, 6, 14, 24, 33, and 44. However, it becomes possible to provide two exhaust pipes in parallel to avoid exhaust interference between the respective pipes.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG.
2 is a plan view of the exhaust pipe member; FIG. 3 is a plan view of the second exhaust pipe member; FIG. 4 is a view taken from the direction of FIG. 3; The figure is the third
A plan view of the exhaust pipe member, FIG. 6 is a plan view of the fourth exhaust pipe member, FIG. 7 is a plan view of the fifth exhaust pipe member, and FIG.
9 is a plan view of the sixth exhaust pipe member, FIG. 10 is a view taken from the direction of FIG. 9, and FIG. 11 is a view of the connection mechanism of the connecting flange. The side view, Figure 12 is an explanatory diagram of the ignition order of the 12V engine and the configuration of the exhaust manifold, and Figure 13 is
Figure 14 is an explanatory diagram of the exhaust manifold assembly configuration for the right bank of the 12V engine. Figure 15 is an explanatory diagram of the exhaust manifold assembly configuration for the left bank of the 12V engine.
The figure is an explanatory diagram of the 8V engine's ignition order and exhaust manifold configuration. Figure 16 is an explanatory diagram of the right bank exhaust manifold assembly configuration of the 8V engine.
Figure 7 is an explanatory diagram of the left bank exhaust manifold assembly configuration of an 8V engine, Figure 18 is an explanatory diagram of the ignition order and exhaust manifold configuration of a 16V engine, and Figure 19 is an explanatory diagram of the left bank exhaust manifold assembly configuration of a 16V engine. It is an explanatory diagram. 1 is a first exhaust pipe member, 6 is a second exhaust pipe member, 1
4 is a third exhaust pipe member; 24 is a fourth exhaust pipe member; 3
3 is a fifth exhaust pipe member, and 44 is a sixth exhaust pipe member.

Claims (1)

[Scope of utility model registration request] A first exhaust pipe member 1 has a connecting flange 3 at one end of a right-angled pipe body 2 and a mounting seat 4 at the other end, and connecting flanges 8 and 9 at both ends of a straight pipe body 7. An opening 1 is provided in the center of the tube body 7.
0 and the mounting seat 11 is provided at the end of the opening 10.
Connecting flanges 18 and 1 are provided at both ends of the exhaust pipe member 6 and the pipe body 17 consisting of a straight pipe section 15 and a bent pipe section 16.
9 is provided, and an opening 20 is provided in the straight pipe portion 15.
Third exhaust pipe member 14 with a mounting seat 21 provided at the zero end
and a pipe body 2 consisting of a straight pipe part 25 and a bent pipe part 26.
A fourth exhaust pipe member 24 has connection flanges 28 and 29 on both ends of the pipe 7 and a mounting seat 30 on the straight pipe part 25.
Connecting flanges 36, 37, 3 are attached to both ends of the pipe body 36, which is formed by connecting two straight pipe parts 34, 35 in parallel.
8, 39, an opening 40 in the center of one straight pipe part 34, and a mounting seat 41 at the end of the opening 40, and two straight pipe parts 46, 47 are arranged in parallel. Connecting flanges 4 are attached to both ends of the pipe body 45.
8, 49, 50, and 51, and a mounting seat 52 is provided in the center of one straight pipe section 46, and an opening 53 is provided in the mounting seat 52.
An exhaust manifold device for an internal combustion engine, comprising: a sixth exhaust pipe member 44 having an opening 53 communicating with the center of the other straight pipe portion 47.