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Installation structure of intake manifold

A technology of installation structure and air inlet, which is applied in the direction of fuel air inlet, charging system, combustion air/combustion-air treatment, etc. It can solve the problems of complex structure and achieve the effect of reducing the number of parts

Inactive Publication Date: 2005-12-21
NISSAN MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this poses the problem of complex construction

Method used

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  • Installation structure of intake manifold
  • Installation structure of intake manifold
  • Installation structure of intake manifold

Examples

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Embodiment Construction

[0045] Embodiments of the present invention are described below with reference to the drawings.

[0046] FIG. 1 is a perspective view of an installation structure of an intake manifold installed on a cylinder head, FIG. 2 is a side view, and FIG. 3 is a plan view of FIG. 1 .

[0047] In the figure, the top surface of the cylinder head 1 is covered with a rocker cover 2 , and the intake manifold 3 is mounted on the side of the cylinder head 1 through a flange 7 .

[0048] The intake manifold 3 includes four branch pipes 4 having upstream-side ends to which flanges 7 are attached. At the upstream side ends of the four branch pipes 4, a booster chamber portion 5 is provided. The booster chamber portion 5 has a right end to which a throttle chamber mounting flange 6 is attached.

[0049]In this embodiment of the intake manifold 3 , the left and right outer branch pipes 4 , 4 on the sides of the booster chamber 5 are respectively integrally formed with planar portions 8 , 8 protru...

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PUM

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Abstract

An installation structure of an air intake manifold, the air intake manifold (3) has a plurality of branch pipes (4, 4), and the In the state where the flange (7) is fixed to the side surface of the cylinder head (1), the plurality of branch pipes are arranged on the top surface of the cylinder head (1); and the intake manifold has a branch pipe ( 4. The pumping chamber portion (5) at the upstream end of 4). In the intake manifold (3), on the side surface of the cylinder head (1) there is provided a retainer (10) protruding outward therefrom, and on the lower part of the flange (7) there is a joint A recess (9) to engage with said retainer (10). In addition, a flat portion (8) is formed at the plenum portion (5) of the intake manifold (3) and the flat portion (8) is allowed to be temporarily placed and fixed in place relative to the top surface of the rocker cover (2). s position.

Description

technical field [0001] The invention relates to an installation structure of an air inlet manifold. Background technique [0002] Traditionally, as in the perspective view in Figure 11, Figure 12 side view in and Figure 13 As shown in the top view in , the intake manifold is mounted on the cylinder head. [0003] The intake manifold 3 includes a plurality of branch pipes 4 having a booster chamber portion 5 at their upstream side ends. A throttle chamber mounting flange 6 is mounted to the side surface of the plenum chamber portion 5 . A flange 7 is attached to the downstream side end of the branch pipe 4 . The flange 7 is fixedly mounted on the side surface of the cylinder head 1 through flange mounting bolts 15 . [0004] The rocker cover 2 is arranged on the top of the cylinder head 1 . In the installed state, the branch pipe 4 extends from the side surface of the cylinder head 1 above the rocker cover 2, and the booster chamber part 5 is supported by the vertical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M35/104F02M35/10
CPCF02M35/10052F02M35/10072F02M35/10078F02M35/10111F02M35/10321F02M35/10354F02M35/112F02M35/10
Inventor 粉川洋一羽田雅敏
Owner NISSAN MOTOR CO LTD
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