JP3139203B2 - V-type engine intake system - Google Patents
V-type engine intake systemInfo
- Publication number
- JP3139203B2 JP3139203B2 JP6303093A JP6303093A JP3139203B2 JP 3139203 B2 JP3139203 B2 JP 3139203B2 JP 6303093 A JP6303093 A JP 6303093A JP 6303093 A JP6303093 A JP 6303093A JP 3139203 B2 JP3139203 B2 JP 3139203B2
- Authority
- JP
- Japan
- Prior art keywords
- mounting
- cylinder
- intake manifold
- branch pipe
- type engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
- F02B75/18—Multi-cylinder engines
- F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Characterised By The Charging Evacuation (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明はＶ型エンジンの吸気装
置に係り、特に各側吸気マニホルドを各側シリンダヘッ
ドに取付ける際に各側取付ボス部の各側取付孔に予め挿
入された各側取付ボルトの抜脱を防止し得て、各側吸気
マニホルドの取付けを容易とし得て組付工数を削減し得
るＶ型エンジンの吸気装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intake system for a V-type engine, and more particularly, to each side previously inserted into each side mounting hole of each side mounting boss when mounting each side intake manifold to each side cylinder head. The present invention relates to an intake device for a V-type engine which can prevent removal of mounting bolts, facilitate installation of intake manifolds on each side, and reduce the number of assembly steps.
【０００２】[0002]
【従来の技術】エンジンには、シリンダバンクの配列形
式によって、シリンダバンクを直列状態に配列した直列
エンジンや、シリンダバンクをＶ字形状に配列したＶ型
エンジン等がある。Ｖ型エンジンは、略Ｖ字型のシリン
ダブロックに夫々各側シリンダヘッドを載置し、これら
各側シリンダヘッドに各側ヘッドカバーを載置してＶ字
形状に各側シリンダバンクを配列している。2. Description of the Related Art Depending on the type of cylinder bank arrangement, there are a series engine in which cylinder banks are arranged in series, and a V-type engine in which cylinder banks are arranged in a V-shape. In the V-type engine, each side cylinder head is mounted on a substantially V-shaped cylinder block, and each side head cover is mounted on each side cylinder head, and each side cylinder bank is arranged in a V-shape. .
【０００３】このようなＶ型エンジンの吸気装置には、
各側シリンダバンクの上方に吸気系を構成する各側サー
ジタンク部を夫々配設し、これら各側サージタンク部に
各側吸気マニホルドの各側分岐管の一端側を連絡して設
けるとともに、これら各側分岐管の他端側を各側シリン
ダバンクの各側気筒に連絡して設けたものがある。[0003] Such a V-type engine intake device includes:
Each side surge tank part constituting the intake system is disposed above each side cylinder bank, and one end side of each side branch pipe of each side intake manifold is connected to each side surge tank part. In some cases, the other end of each side branch pipe is connected to each side cylinder of each side cylinder bank.
【０００４】また、Ｖ型エンジンの吸気装置には、各側
シリンダバンクの上方に夫々配設された各側サージタン
ク部に各側吸気マニホルドの各側分岐管の一端側を連絡
して設け、これら各側分岐管の途中を各側シリンダバン
ク間の空間部において交差させて他端側を夫々反対側の
各側シリンダバンクの各側気筒に連絡して設けたものが
ある。In the intake system of a V-type engine, one end of each side branch pipe of each side intake manifold is connected to each side surge tank portion provided above each side cylinder bank, respectively. In some cases, the middle of each side branch pipe intersects in the space between the cylinder banks, and the other end is connected to each cylinder of the cylinder bank on the opposite side.
【０００５】このようなＶ型エンジンの吸気装置として
は、実開平２−２０７２４号公報に開示されるものがあ
る。この公報に開示される吸気装置は、Ｖ型エンジンの
各側シリンダバンクの上方に吸気管を介して各側気筒に
連通される一対のサブコレクタを配設し、各側シリンダ
バンク間の空間部に吸気が導入され且つエンジン後端側
に配設されるスロットルボディを介して前記一対のサブ
コレクタに連通されるメインコレクタを設けたものであ
る。[0005] An example of such an intake device for a V-type engine is disclosed in Japanese Utility Model Laid-Open No. 2-20724. In the intake device disclosed in this publication, a pair of subcollectors connected to each side cylinder via an intake pipe is disposed above each side cylinder bank of a V-type engine, and a space between each side cylinder bank is provided. And a main collector connected to the pair of sub-collectors via a throttle body disposed on the rear end side of the engine.
【０００６】[0006]
【発明が解決しようとする課題】ところで、前記各側シ
リンダバンクの上方に夫々配設された各側サージタンク
部に各側吸気マニホルドの各側分岐管の一端側を連絡し
て設け、これら各側分岐管の途中を各側シリンダバンク
間の空間部において交差させて他端側を夫々反対側の各
側シリンダバンクの各側気筒に連絡して設けたＶ型エン
ジンの吸気装置においては、図５に示す如く各側吸気マ
ニホルドを各側シリンダヘッドに取付けている。By the way, one end side of each side branch pipe of each side intake manifold is connected to each side surge tank portion provided above each side cylinder bank, and these In the intake device of a V-type engine in which the middle of the side branch pipe intersects in the space between the side cylinder banks and the other end side is connected to each side cylinder of each side cylinder bank on the opposite side, FIG. As shown in FIG. 5, each side intake manifold is attached to each side cylinder head.
【０００７】図５において、１０２はＶ型エンジンであ
る。なお、このＶ型エンジン１０２は、各側構成部材Ａ
・Ｂを同一に構成しているので、一側構成部材Ａを例示
して説明する。Ｖ型エンジン１０２は、図示しない他側
シリンダバンク上方に配設された一側サージタンク部
（図示せず）に一端側を連絡される一側吸気マニホルド
１０６Ａの一側分岐管１０８Ａの途中を空間部において
交差させて、他端側を一側シリンダヘッド１０４Ａを連
絡して設けている。このＶ型エンジン１０２の一側シリ
ンダヘッド１０４Ａには、一側締付部１１０Ａを設け、
一側締付孔１１２Ａを設けている。In FIG. 5, reference numeral 102 denotes a V-type engine. Note that the V-type engine 102 includes a
-Since B has the same configuration, one side component A will be described as an example. The V-type engine 102 has a space in the middle of a one-side branch pipe 108A of one-side intake manifold 106A, one end of which is connected to a one-side surge tank portion (not shown) disposed above the other-side cylinder bank (not shown). The other end is provided so as to communicate with the one-side cylinder head 104A. The one-side cylinder head 104A of the V-type engine 102 is provided with a one-side fastening portion 110A,
One side fastening hole 112A is provided.
【０００８】前記一側吸気マニホルド１０６Ａは、一側
分岐管１０８Ａの他端側に一側シリンダヘッド１０４Ａ
に取付けられる一側取付ボス部１１４Ａを設けている。
この一側取付ボス部１１４Ａには、一側取付孔１１６Ａ
を設けている。一側取付孔１１６Ａには、一側取付ボル
ト１１８Ａが挿入され、一側シリンダヘッド１０４Ａの
一側締付孔１１２Ａに螺合される。The one-side intake manifold 106A has a one-side cylinder head 104A at the other end of the one-side branch pipe 108A.
Is provided on one side.
The one-side mounting boss 114A has a one-side mounting hole 116A.
Is provided. One-side mounting bolt 118A is inserted into one-side mounting hole 116A, and screwed into one-side tightening hole 112A of one-side cylinder head 104A.
【０００９】一側吸気マニホルド１０６Ａは、一側分岐
管１０８Ａに設けた一側取付ボス部１１４Ａの一側取付
孔１１６Ａに一側取付ボルト１１８Ａの軸部１２０Ａを
挿入し、一側取付ボルト１１８Ａの頭部１２２Ａを回転
させて一側シリンダヘッド１０４Ａの一側締付孔１１２
Ａに軸部１２０Ａを螺合して締め付けることにより、取
付けられる。In the one-side intake manifold 106A, a shaft 120A of a one-side mounting bolt 118A is inserted into a one-side mounting hole 116A of a one-side mounting boss 114A provided in a one-side branch pipe 108A. By rotating the head 122A, the one-side tightening hole 112 of the one-side cylinder head 104A
A is attached by screwing the shaft portion 120A to A.
【００１０】ところが、このようなＶ型エンジンの吸気
装置においては、Ｖ型エンジンの前後方向を反対側の各
側シリンダバンクに連絡される各側分岐管及びこの各側
分岐管に取付けられる各側燃料噴射弁に挟まれ、Ｖ型エ
ンジンの幅方向を各側シリンダヘッド及び各側分岐管に
挟まれているとこにより、各側取付ボルトの締付操作を
し難く、各側吸気マニホルドの取付けが困難となる不都
合があった。However, in such an intake system for a V-type engine, each branch pipe connected to each cylinder bank on the opposite side in the front-rear direction of the V-type engine and each side attached to each side branch pipe. Since the V-type engine is sandwiched between the cylinder head and each branch pipe in the width direction of the V-type engine, it is difficult to tighten the mounting bolts on each side. There were difficulties.
【００１１】また、図５に示す如く、前記一側取付ボス
部１１４Ａは、高さＨ２に形成されている。これによ
り、一側取付ボス部１１４Ａに設けられる一側取付孔１
１６Ａは、高さＨ２に等しい長さＬ２に形成されること
になる。また、一側取付ボルト１１８Ａは、軸部１２０
Ａの端面１２４Ａから重心Ｃ２までが長さＧ２になって
いる。As shown in FIG. 5, the one-side mounting boss 114A is formed at a height H2. Thereby, the one-side mounting hole 1 provided in the one-side mounting boss 114A is provided.
16A will be formed with a length L2 equal to the height H2. The one-side mounting bolt 118A is
The length from the end face 124A of A to the center of gravity C2 is G2.
【００１２】このようなＶ型エンジン１０２の吸気装置
において、一側シリンダヘッド１０４Ａに取付ける前の
一側吸気マニホルド１０６Ａの単体時に、一側取付ボル
ト１１８Ａの軸部１２０Ａを一側取付ボス部１１４Ａの
一側取付孔１１６Ａに挿入しておいた場合には、一側取
付孔１１６Ａの長さＬ２が一側取付ボルト１１８Ａの軸
部１２０Ａの端面１２４から重心Ｃ２までの長さＧ２よ
りも小さいため、一側取付ボルト１６８が遊動しい倒れ
易い問題がある。In such an intake device of the V-type engine 102, when the one-side intake manifold 106A is attached to the one-side cylinder head 104A alone, the shaft 120A of the one-side mounting bolt 118A is connected to the one-side mounting boss 114A. When inserted into the one-side mounting hole 116A, the length L2 of the one-side mounting hole 116A is smaller than the length G2 from the end surface 124 of the shaft portion 120A of the one-side mounting bolt 118A to the center of gravity C2. There is a problem that the one-side mounting bolt 168 is loose and easily falls.
【００１３】即ち、一側吸気マニホルド１０６Ａの単体
時に、一側取付ボルト１１８Ａを一側取付ボス部１１４
Ａの一側取付孔１１６Ａに挿入しておいた場合には、一
側取付孔１１６Ａの設けられる一側取付ボス部１１４Ａ
の高さＨ２が、一側取付ボルト１１８Ａの軸部１２０Ａ
の端面１２４Ａから重心Ｃ２までの長さＧ２よりも小さ
い（Ｈ２＜Ｇ２）ことにより、一側取付ボルト１１８Ａ
の重心Ｃ２部位を一側取付ボス部１１４Ａの一側取付孔
１１６Ａによって支持することができず、矢印に示す如
く一側取付ボルト１６８が遊動して倒れ易い問題があ
る。That is, when the one-side intake manifold 106A is used alone, the one-side mounting bolt 118A is connected to the one-side mounting boss 114
A is inserted into the one-side mounting hole 116A, the one-side mounting boss 114A provided with the one-side mounting hole 116A.
The height H2 of the shaft portion 120A of the one-side mounting bolt 118A
Is smaller than the length G2 from the end surface 124A to the center of gravity C2 (H2 <G2), the one-side mounting bolt 118A
Cannot be supported by the one-side mounting hole 116A of the one-side mounting boss 114A, and there is a problem that the one-side mounting bolt 168 moves easily and falls down as shown by the arrow.
【００１４】このため、一側取付ボス部１１０Ａの一側
取付孔１１４Ａに挿入された一側取付ボルト１１６Ａ
は、一側吸気マニホルド１０６Ａを一側シリンダヘッド
１０４Ａに搭載する際や一側吸気マニホルド１０６Ａを
搭載した後の振動等によって、一側取付孔１１４Ａから
抜脱し易い不都合がある。Therefore, the one-side mounting bolt 116A inserted into the one-side mounting hole 114A of the one-side mounting boss 110A.
However, there is a disadvantage that the one-side intake manifold 106A is easily detached from the one-side mounting hole 114A due to vibration when the one-side intake manifold 106A is mounted on the one-side cylinder head 104A or after the one-side intake manifold 106A is mounted.
【００１５】さらに、一側取付ボス部１１４Ａの一側取
付孔１１６Ａから抜脱した一側取付ボルト１１８Ａは、
一側シリンダヘッド１０４Ａ上に配設される一側吸気マ
ニホルド１０６Ａや一側燃料噴射弁等（図示せず）に挟
まれた狭い空間に落下してしまうため、一側吸気マニホ
ルド１０６Ａ等を取り外すないと回収が困難となる不都
合がある。Further, one-side mounting bolt 118A pulled out of one-side mounting hole 116A of one-side mounting boss 114A is
Since it falls into a narrow space between the one-side intake manifold 106A and the one-side fuel injection valve (not shown) disposed on the one-side cylinder head 104A, the one-side intake manifold 106A and the like are not removed. However, there is an inconvenience that collection becomes difficult.
【００１６】[0016]
【課題を解決するための手段】このような不都合を解消
するために、この発明は、Ｖ型エンジンの一側シリンダ
バンクの上方に配設された他側サージタンク部に他側吸
気マニホルドの他側分岐管の一端側を連絡して設け、こ
れら他側分岐管の他端側を他側シリンダバンクの他側気
筒に連絡して設け、前記Ｖ型エンジンの他側シリンダバ
ンクの上方に配設された一側サージタンク部に一側吸気
マニホルドの一側分岐管の一端側を連絡して設け、これ
ら一側分岐管の他端側を一側シリンダバンクの一側気筒
に連絡して設けたＶ型エンジンの吸気装置において、前
記一側吸気マニホルドの一側分岐管の他端側にはこの一
側分岐管に取付けられた一側燃料噴射弁と他側分岐管と
の間に位置させて一側取付ボス部を設け、前記他側吸気
マニホルドの他側分岐管の他端側にはこの他側分岐管に
取付けられた他側燃料噴射弁と一側分岐管との間に位置
させて他側取付ボス部を設け、これら各側取付ボス部に
夫々各側取付孔を設け、前記各側吸気マニホルドを各側
シリンダヘッドに取付ける前にこれら各側取付孔に予め
挿入されて各側シリンダヘッドの各側締付孔に螺合され
ることにより前記各側吸気マニホルドを各側シリンダヘ
ッドに取付ける各側取付ボルトを設け、前記各側取付孔
の長さが前記各側取付ボルトの軸部端面から重心までの
長さに略等しくなるような高さに前記各側取付ボス部を
形成して設けたことを特徴とし、また、前記各側取付孔
の長さが前記各側取付ボルトの軸部端面から重心までの
長さよりも大きくなるような高さに前記各側取付ボス部
を形成して設けたことを特徴とする。SUMMARY OF THE INVENTION In order to solve such inconveniences, the present invention relates to a V-type engine in which the other side surge tank provided above the one side cylinder bank has the other side intake manifold. One end of the side branch pipe is provided in communication, the other end of the other branch pipe is provided in communication with the other cylinder of the other cylinder bank, and is provided above the other cylinder bank of the V-type engine. One side of the one-side branch pipe of the one-side intake manifold is provided in communication with the one-side surge tank portion, and the other end of the one-side branch pipe is provided in communication with the one cylinder of the one-side cylinder bank. In the intake device for a V-type engine, the other end of the one-side branch pipe of the one-side intake manifold is located between a one-side fuel injection valve attached to the one-side branch pipe and the other-side branch pipe. One side mounting boss is provided, and the other side of the other side intake manifold At the other end of the manifold, other-side mounting bosses are provided between the other-side fuel injection valve mounted on the other-side branch pipe and the one-side branch pipe. Each side mounting hole is provided, and before each side intake manifold is mounted on each side cylinder head, each side intake manifold is previously inserted into each side mounting hole and screwed into each side tightening hole of each side cylinder head. Each side mounting bolt for mounting the side intake manifold to each side cylinder head is provided, and the height of each side mounting hole is substantially equal to the length from the shaft end face to the center of gravity of each side mounting bolt. The mounting boss portion on each side is formed and provided, and a height such that the length of the mounting hole on each side is larger than the length from the shaft end face to the center of gravity of the mounting bolt on each side. Characterized in that the mounting boss portion on each side is formed and provided.
【００１７】[0017]
【作用】この発明の構成によれば、Ｖ型エンジンの吸気
装置は、各側吸気マニホルドの各側分岐管の他端側に各
側取付ボス部を設け、この各側取付ボス部の各側取付孔
の長さが各側取付ボルトの軸部端面から重心までの長さ
に略等しくなるような高さに各側取付ボス部を形成して
設け、または、各側取付孔の長さが各側取付ボルトの軸
部端面から重心までの長さよりも大きくなるような高さ
に各側取付ボス部を形成して設けたことにより、各側シ
リンダヘッドに取付ける前の各側吸気マニホルドの単体
時に、各側取付ボルトの軸部を各側取付ボス部の各側取
付孔に予め挿入しておいても、各側取付ボルトの重心部
位を各側取付ボス部の各側取付孔によって支持すること
ができるので、振動等によって各側取付ボルトが遊動し
て倒れることがなく、抜脱する可能性を低くすることが
できる。According to the structure of the present invention, the intake device of the V-type engine is provided with each side mounting boss on the other end of each side branch pipe of each side intake manifold, and each side of each side mounting boss is provided. Each side mounting boss is formed and provided at a height such that the length of the mounting hole is substantially equal to the length from the shaft end face of each side mounting bolt to the center of gravity, or the length of each side mounting hole is By forming the mounting boss on each side at a height that is greater than the length from the shaft end face to the center of gravity of each mounting bolt, each intake manifold unit before mounting on each side cylinder head Sometimes, even if the shaft portion of each side mounting bolt is previously inserted into each side mounting hole of each side mounting boss, the center of gravity of each side mounting bolt is supported by each side mounting hole of each side mounting boss. The mounting bolts on each side do not move and fall over due to vibration, etc. , It is possible to reduce the possibility of pulling out.
【００１８】[0018]
【実施例】以下図面に基づいて、この発明の実施例を詳
細に説明する。Embodiments of the present invention will be described below in detail with reference to the drawings.
【００１９】図１〜図４は、この発明の実施例を示すも
のである。図２〜図４において、２はＶ型エンジンであ
る。Ｖ型エンジン２は、略Ｖ字型のシリンダブロック４
に夫々各側シリンダヘッド６Ａ・６Ｂを載置し、これら
各側シリンダヘッド６Ａ・６Ｂに各側ヘッドカバー８Ａ
・８Ｂを載置してＶ字形状に各側シリンダバンク１０Ａ
・１０Ｂを配列している。1 to 4 show an embodiment of the present invention. 2 to 4, reference numeral 2 denotes a V-type engine. The V-type engine 2 has a substantially V-shaped cylinder block 4.
The respective cylinder heads 6A and 6B are placed on the respective cylinder heads 6A and 6B.
・ Cylinder bank 10A on each side with 8B placed in V-shape
・ 10B are arranged.
【００２０】このＶ型エンジン２は、シリンダブロック
４の下部にベアリングキャップ１２を取付けてクランク
軸１４を軸支し、ベアリングキャップ１２の下部にオイ
ルパン１６を取付けている。また、Ｖ型エンジン２は、
各側シリンダバンク１０Ａ・１０Ｂ間に空間部１８を形
成している。The V-type engine 2 has a bearing cap 12 attached to a lower portion of the cylinder block 4 to support a crankshaft 14, and an oil pan 16 attached to a lower portion of the bearing cap 12. Also, the V-type engine 2
A space 18 is formed between the cylinder banks 10A and 10B on each side.
【００２１】Ｖ型エンジン２は、空間部１８の上方に吸
気装置を構成するスロットルボディ２０を配設し、吸気
ダクト２２により図示しないエアクリーナに連絡してい
る。スロットルボディ２０には、吸気分配管２４の集合
管部２６を連絡している。吸気分配管２４は、分岐され
た各側分配管部２８Ａ・２８Ｂを各側サージタンク部３
０Ａ・３０Ｂに連絡している。The V-type engine 2 has a throttle body 20 that constitutes an intake device disposed above the space 18 and is connected to an air cleaner (not shown) by an intake duct 22. The collecting pipe portion 26 of the intake pipe 24 is connected to the throttle body 20. The intake distribution pipe 24 connects the branched side distribution pipe sections 28A and 28B to the respective side surge tank sections 3.
Contact 0A / 30B.
【００２２】各側サージタンク部３０Ａ・３０Ｂは、各
側シリンダバンク１０Ａ・１０Ｂの各側ヘッドカバー８
Ａ・８Ｂ上方に配設している。これら各側サージタンク
部３０Ａ・３０Ｂには、各側吸気マニホルド３２Ａ・３
２Ｂの各側分岐管３４Ａ・３４Ｂの一端側を連絡して設
けるとともに、これら各側分岐管３４Ａ・３４Ｂの他端
側を各側シリンダバンク１０Ａ・１０Ｂの各側気筒（図
示せず）に連絡して設けている。Each of the surge tank portions 30A and 30B is provided with a head cover 8 of each of the cylinder banks 10A and 10B.
It is arranged above A.8B. Each of these side surge tank sections 30A and 30B has a respective side intake manifold 32A and 3A.
One end of each side branch pipe 34A, 34B of 2B is provided in communication, and the other end of each side branch pipe 34A, 34B is connected to each side cylinder (not shown) of each side cylinder bank 10A, 10B. It is provided.
【００２３】このＶ型エンジン２の吸気装置において
は、夫々反対側の各側シリンダバンク１０Ａ・１０Ｂの
上方に各側サージタンク部３０Ａ・３０Ｂを配設し、各
側サージタンク部３０Ａ・３０Ｂに各側分岐管３４Ａ・
３４Ｂの一端側を連絡して設け、これら各側分岐管３４
Ａ・３４Ｂの途中を各側シリンダバンク１０Ａ・１０Ｂ
間の空間部１８において交差させて、他端側を夫々反対
側の各側シリンダバンク１０Ａ・１０Ｂの各側気筒（図
示せず）に連絡して設けている。即ち、Ｖ型エンジン２
の吸気装置は、一側シリンダバンク１０Ａの上方に配設
された他側サージタンク部３０Ｂに他側吸気マニホルド
３２Ｂの他側分岐管３４Ｂの一端側を連絡して設け、こ
れら他側分岐管３４Ｂの他端側を他側シリンダバンク１
０Ｂの他側気筒に連絡して設け、他側シリンダバンク１
０Ｂの上方に配設された一側サージタンク部３０Ａに一
側吸気マニホルド３２Ａの一側分岐管３４Ａの一端側を
連絡して設け、これら一側分岐管３４Ａの他端側を一側
シリンダバンク１０Ａの一側気筒に連絡して設けてい
る。なお、符号３６Ａ・３６Ｂは、各側分岐管３４Ａ・
３４Ｂの他端側近傍に取付けられた各側燃料噴射弁であ
る。In the intake device of the V-type engine 2, the respective surge tank portions 30A and 30B are disposed above the respective opposite cylinder banks 10A and 10B, and the respective surge tank portions 30A and 30B are provided in the respective surge tank portions 30A and 30B. Each branch pipe 34A
34B is connected to one end of each branch pipe 34B.
The middle of A.34B is the cylinder bank 10A, 10B on each side.
The other ends are connected to the cylinders (not shown) of the cylinder banks 10A and 10B on the opposite sides, respectively, so as to intersect with each other in the space 18 between them. That is, the V-type engine 2
Is connected to one end of the other branch pipe 34B of the other intake manifold 32B in communication with the other surge tank 30B disposed above the one cylinder bank 10A. The other end of the cylinder bank 1
0B is provided in communication with the other cylinder, and the other cylinder bank 1 is provided.
One side of the one-side branch pipe 34A of the one-side intake manifold 32A is connected to the one-side surge tank part 30A disposed above the first side branch pipe 34A, and the other end of the one-side branch pipe 34A is connected to the one-side cylinder bank. It is provided in communication with one side cylinder of 10A. The reference numerals 36A and 36B indicate the branch pipes 34A
34B is a fuel injection valve on each side mounted near the other end of 34B.
【００２４】このＶ型エンジン２の吸気装置は、各側シ
リンダヘッド６Ａ・６Ｂに各側締付部３８Ａ・３８Ｂを
設け、各側締付孔４０Ａ・４０Ｂを設けている。前記一
側吸気マニホルド３２Ａの一側分岐管３４Ａの他端側に
は、図２・図４に示す如く、この一側分岐管３４Ａに取
付けられた一側燃料噴射弁３６Ａとこの一側分岐管３４
Ａに隣接する他側分岐管３４Ｂとの間に位置させて、一
側シリンダヘッド６Ａの一側締付部３８Ａに取付けられ
る一側取付ボス部４２Ａを設けている。また、前記他側
吸気マニホルド３２Ｂの他側分岐管３４Ｂの他端側に
は、この他側分岐管３４Ｂに取付けられた他側燃料噴射
弁３６Ｂとこの他側分岐管３４Ｂに隣接する一側分岐管
３４Ａとの間に位置させて、他側シリンダヘッド６Ｂの
他側締付部３８Ｂに取付けられる他側取付ボス部４２Ｂ
を設けている。このように、各側吸気マニホルド３２Ａ
・３２の各側分岐管３４Ａ・３４Ｂの他端側には、各側
シリンダヘッド６Ａ・６Ｂの各側締付部３８Ａ・３８Ｂ
に取付けられる各側取付ボス部４２Ａ・４２Ｂを設けて
いる。これら各側取付ボス部４２Ａ・４２Ｂには、前記
各側シリンダヘッド６Ａ・６Ｂの各側締付孔４０Ａ・４
０Ｂに一致させて、各側取付孔４４Ａ・４４Ｂを設けて
いる。In the intake device of the V-type engine 2, each side cylinder head 6A, 6B is provided with each side fastening portion 38A, 38B, and each side fastening hole 40A, 40B is provided. As shown in FIGS. 2 and 4, a one-side fuel injection valve 36A attached to the one-side branch pipe 34A and a one-side branch pipe 34A are provided at the other end of the one-side branch pipe 34A of the one-side intake manifold 32A. 34
A one-side mounting boss portion 42A is provided between the one-side tightening portion 38A of the one-side cylinder head 6A so as to be located between the other-side branch pipe 34B adjacent to A. The other end of the other side branch pipe 34B of the other side intake manifold 32B has another side fuel injection valve 36B attached to the other side branch pipe 34B and one side branch adjacent to the other side branch pipe 34B. The other-side mounting boss portion 42B which is located between the tube 34A and the other-side tightening portion 38B of the other-side cylinder head 6B.
Is provided. Thus, each side intake manifold 32A
At the other end of each of the branch pipes 34A and 34B of the respective 32, the respective tightening portions 38A and 38B of the cylinder heads 6A and 6B are provided.
Are provided on each side. Each of these side mounting bosses 42A and 42B has a corresponding one of the tightening holes 40A and 4A of each of the cylinder heads 6A and 6B.
0B, the mounting holes 44A and 44B on each side are provided.
【００２５】前記各側取付孔４４Ａ・４４Ｂには、各側
取付ボルト４６Ａ・４６Ｂが挿入される。各側取付ボル
ト４６Ａ・４６Ｂは、夫々軸部４８Ａ・４８Ｂと頭部５
０Ａ・５０Ｂとからなる。各側取付ボルト４６Ａ・４６
Ｂは、各側吸気マニホルド３２Ａ・３２Ｂを各側シリン
ダヘッド６Ａ・６Ｂに取付ける前に、夫々軸部４８Ａ・
４８Ｂを各側取付孔４４Ａ・４４Ｂに予め挿入され、各
側吸気マニホルド３２Ａ・３２Ｂを各側シリンダヘッド
６Ａ・６Ｂに取付けるときに、頭部５０Ａ・５０Ｂを回
転させて各側シリンダヘッド６Ａ・６Ｂの各側締付孔４
０Ａ・４０Ｂに螺合される。The mounting bolts 46A and 46B are inserted into the mounting holes 44A and 44B. The mounting bolts 46A and 46B on each side are connected to the shafts 48A and 48B and the head 5 respectively.
0A and 50B. Each side mounting bolt 46A / 46
B, before mounting the intake manifolds 32A and 32B on each side to the cylinder heads 6A and 6B on each side, respectively,
48B is inserted in advance into each of the mounting holes 44A and 44B, and when each of the intake manifolds 32A and 32B is mounted on each of the cylinder heads 6A and 6B, the heads 50A and 50B are turned to rotate each of the cylinder heads 6A and 6B. Tightening hole 4 on each side
0A and 40B.
【００２６】このＶ型エンジン２は、各側構成部材Ａ・
Ｂを同一に構成している。そこで、以下においては、一
側構成部材Ａを例示して説明する。図１に示す如く、前
記一側吸気マニホルド３２Ａの一側分岐管３４Ａの他端
側に設けられた一側取付ボス部４２Ａは、高さＨ１に形
成されている。したがって、一側取付ボス部４２Ａに設
けられる一側取付孔４４Ａは、高さＨ１に等しい長さＬ
１に形成されることになる。また、一側取付ボルト４６
Ａは、軸部４８Ａの端面５２Ａから重心Ｃ１までが長さ
Ｇ１となっている。The V-type engine 2 has the components A.
B have the same configuration. Therefore, in the following, the one-side constituent member A will be described as an example. As shown in FIG. 1, the one-side mounting boss portion 42A provided at the other end of the one-side branch pipe 34A of the one-side intake manifold 32A is formed at a height H1. Therefore, the one-side mounting hole 44A provided in the one-side mounting boss portion 42A has a length L equal to the height H1.
1 will be formed. Also, the one-side mounting bolt 46
A has a length G1 from the end face 52A of the shaft portion 48A to the center of gravity C1.
【００２７】前記一側取付ボス部４２Ａの高さＨ１は、
一側取付ボルト４６Ａの軸部４８Ａの端面５２Ａから重
心Ｃ１までの長さＧ１に略等しくなるように形成して設
けている。これにより、一側取付孔４４Ａの長さＬ１
が、一側取付ボルト４６Ａの軸部４８Ａの端面５２Ａか
ら重心Ｃ１までの長さＧ１に略等しくなるような高さＨ
１に、一側取付ボス部４２Ａを形成（Ｇ１≒Ｈ１）して
設けている。なお、図示例においては、一側取付孔４４
Ａの長さＬ１が、一側取付ボルト４６Ａの軸部４８Ａの
端面５２Ａから重心Ｃ１までの長さＧ１に等しくなるよ
うな高さＨ１に、一側取付ボス部４２Ａを形成（Ｇ１＝
Ｈ１）して設けている。The height H1 of the one-side mounting boss portion 42A is
It is formed so as to be substantially equal to the length G1 from the end surface 52A of the shaft portion 48A of the one-side mounting bolt 46A to the center of gravity C1. As a result, the length L1 of the one-side mounting hole 44A
Has a height H substantially equal to the length G1 from the end surface 52A of the shaft portion 48A of the one-side mounting bolt 46A to the center of gravity C1.
1, one side mounting boss portion 42A is formed (G1 ≒ H1). In the illustrated example, one side mounting hole 44 is provided.
The one-side mounting boss portion 42A is formed at a height H1 such that the length L1 of A is equal to the length G1 from the end surface 52A of the shaft portion 48A of the one-side mounting bolt 46A to the center of gravity C1 (G1 =
H1).
【００２８】また、図示しないが、他側取付ボス部４２
Ｂは、前記一側取付ボス部４２Ａと同様に、高さＨ１に
形成されている。したがって、他側取付ボス部４２Ｂに
設けられる他側取付孔４４Ｂは、高さＨ１に等しい長さ
Ｌ１に形成されることになる。また、他側取付ボルト４
６Ｂは、軸部４８Ｂの端面５２Ｂから重心Ｃ１までが長
さＧ１となっている。Although not shown, the other-side mounting boss portion 42
B is formed at a height H1 similarly to the one-side mounting boss portion 42A. Therefore, the other-side mounting hole 44B provided in the other-side mounting boss portion 42B is formed to have a length L1 equal to the height H1. Also, the other side mounting bolt 4
6B has a length G1 from the end face 52B of the shaft portion 48B to the center of gravity C1.
【００２９】前記他側取付ボス部４２Ｂの高さＨ１は、
他側取付ボルト４６Ｂの軸部４８Ｂの端面５２Ｂから重
心Ｃ１までの長さＧ１に略等しくなるように形成して設
けている。これにより、他側取付孔４４Ｂの長さＬ１
が、他側取付ボルト４６Ｂの軸部４８Ｂの端面５２Ｂか
ら重心Ｃ１までの長さＧ１に略等しくなるような高さＨ
１に、他側取付ボス部４２Ｂを形成（Ｇ１≒Ｈ１）して
設けている。なお、図示例においては、他側取付孔４４
Ｂの長さＬ１が、他側取付ボルト４６Ｂの軸部４８Ｂの
端面５２Ｂから重心Ｃ１までの長さＧ１に等しくなるよ
うな高さＨ１に、他側取付ボス部４２Ｂを形成（Ｇ１＝
Ｈ１）して設けている。The height H1 of the other-side mounting boss 42B is
The other mounting bolt 46B is formed so as to be substantially equal to the length G1 from the end surface 52B of the shaft portion 48B to the center of gravity C1. As a result, the length L1 of the other-side mounting hole 44B
Has a height H substantially equal to the length G1 from the end surface 52B of the shaft portion 48B of the other-side mounting bolt 46B to the center of gravity C1.
1, the other side mounting boss portion 42B is formed (G1 ≒ H1). In the illustrated example, the other-side mounting hole 44 is provided.
The other-side mounting boss portion 42B is formed at a height H1 such that the length L1 of B is equal to the length G1 from the end surface 52B of the shaft portion 48B of the other-side mounting bolt 46B to the center of gravity C1 (G1 =
H1).
【００３０】次に作用を説明する。Next, the operation will be described.
【００３１】Ｖ型エンジン２の吸気装置は、図２〜図３
に示す如く、各側吸気マニホルド３２Ａ・３２Ｂを各側
シリンダヘッド６Ａ・６Ｂに取付ける前に、各側分岐管
３４Ａ・３４Ｂに設けた各側取付ボス部４２Ａ・４２Ｂ
の各側取付孔４４Ａ・４４Ｂに、各側取付ボルト４６Ａ
・４６Ｂの軸部４８Ａ・４８を予め挿入しておく。各側
吸気マニホルド３２Ａ・３２Ｂは、各側シリンダヘッド
６Ａ・６Ｂへの取付時に、各側取付ボス部４２Ａ・４２
Ｂを各側締付部３８Ａ・３８Ｂに当接させ、各側取付孔
４４Ａ・４４Ｂに予め挿入しておいて各側取付ボルト４
６Ａ・４６Ｂの頭部５０Ａ・５０Ｂを回転させ、各側シ
リンダヘッド６Ａ・６Ｂの各側締付孔４０Ａ・４０Ｂに
軸部４８Ａ・４８を螺合して締付けることにより、各側
シリンダヘッド６Ａ・６Ｂに取付けられる。The intake device of the V-type engine 2 is shown in FIGS.
As shown in the figure, before each side intake manifold 32A, 32B is mounted on each side cylinder head 6A, 6B, each side mounting boss portion 42A, 42B provided on each side branch pipe 34A, 34B.
Each side mounting hole 44A, 44B, each side mounting bolt 46A
・ The shaft portions 48A and 48 of 46B are inserted in advance. When each of the intake manifolds 32A and 32B is attached to each of the cylinder heads 6A and 6B, each of the attachment bosses 42A and 42B.
B is brought into contact with the tightening portions 38A and 38B on each side, and is inserted in advance into the mounting holes 44A and 44B on each side so that each side mounting bolt 4
The heads 50A and 50B of the cylinder heads 6A and 46B are rotated, and the shaft portions 48A and 48 are screwed into the respective tightening holes 40A and 40B of the cylinder heads 6A and 6B. 6B.
【００３２】このとき、各側吸気マニホルド３２Ａ・３
２Ｂは、各側取付孔４４Ａ・４４Ｂの長さＬ１が、各側
取付ボルト４６Ａ・４６Ｂの軸部４８Ａ・４８Ｂの端面
５２Ａ・５２Ｂから重心Ｃ１までの長さＧ１に等しくな
るような高さＨ１に、各側取付ボス部４２Ａ・４２Ｂを
形成（Ｇ１＝Ｈ１）して設けている。At this time, each side intake manifold 32A.3
2B is a height H1 such that the length L1 of the mounting holes 44A and 44B on each side is equal to the length G1 from the end surfaces 52A and 52B of the shaft portions 48A and 48B of the mounting bolts 46A and 46B on each side to the center of gravity C1. The mounting bosses 42A and 42B on each side are formed (G1 = H1).
【００３３】これにより、各側シリンダヘッド６Ａ・６
Ｂに取付ける前の各側吸気マニホルド３２Ａ・３２Ｂの
単体時に、各側取付ボルト４６Ａ・４６Ｂの軸部４８Ａ
・４８Ｂを各側取付ボス部４２Ａ・４２Ｂの各側取付孔
４４Ａ・４４Ｂに挿入しておいても、各側取付ボルト４
６Ａ・４６Ｂの重心Ｃ１部位を各側取付ボス部４２Ａ・
４２Ｂの各側取付孔４４Ａ・４４Ｂによって支持するこ
とができる。As a result, the cylinder heads 6A and 6
B, the shaft portions 48A of the mounting bolts 46A, 46B on the respective sides when the intake manifolds 32A, 32B on each side are not attached to the single unit.
Even if 48B is inserted into each side mounting hole 44A / 44B of each side mounting boss portion 42A / 42B, each side mounting bolt 4
The center of gravity C1 of 6A / 46B is attached to each side mounting boss 42A.
It can be supported by the mounting holes 44A and 44B on each side of 42B.
【００３４】したがって、各側取付ボス部４２Ａ・４２
Ｂによって重心Ｃ１部位を支持される各側取付ボルト４
６Ａ・４６Ｂは、各側シリンダヘッド６Ａ・６Ｂを搭載
する際や振動等によっても矢印に示す如く遊動して倒れ
ることがなく、抜脱する可能性を低くすることができ
る。Therefore, each side mounting boss portion 42A, 42
Each side mounting bolt 4 whose center of gravity C1 is supported by B
When mounting the cylinder heads 6A and 6B on the respective sides and vibrations, the 6A and 46B do not move and fall down as indicated by the arrow, and the possibility of disengagement can be reduced.
【００３５】このため、各側吸気マニホルド３２Ａ・３
２Ｂを各側シリンダヘッド６Ａ・６Ｂに取付ける際に、
各側取付ボス部４２Ａ・４２Ｂの各側取付孔４４Ａ・４
４Ｂに予め挿入された各側取付ボルト４６Ａ・４６Ｂの
抜脱を防止することができ、各側吸気マニホルド３２Ａ
・３２Ｂの取付けを容易とし得て、組付工数を削減する
ことができる。For this reason, each side intake manifold 32A.3
When attaching 2B to the cylinder heads 6A and 6B on each side,
Each side mounting hole 44A / 4 of each side mounting boss portion 42A / 42B.
4B can be prevented from being pulled out of the mounting bolts 46A and 46B on each side, and the intake manifold 32A on each side can be prevented.
-The attachment of the 32B can be facilitated, and the number of assembling steps can be reduced.
【００３６】なお、この実施例においては、各側取付孔
４４Ａ・４４Ｂの長さＬ１が、各側取付ボルト４６Ａ・
４６Ｂの軸部４８Ａ・４８Ｂの端面５２Ａ・５２Ｂから
重心Ｃ１までの長さＧ１に等しくなるような高さＨ１
に、各側取付ボス部４２Ａ・４２Ｂを形成（Ｇ１＝Ｈ
１）して設けているが、各側取付孔４４Ａ・４４Ｂの長
さＬ１が重心Ｃ１までの長さＧ１よりも少許小さい長さ
になるような高さＨ１や少許大きい長さになるような高
さＨ１に、各側取付ボス部４２Ａ・４２Ｂを形成しても
よい。In this embodiment, the length L1 of the mounting holes 44A and 44B on each side is determined by the mounting bolts 46A and
A height H1 that is equal to the length G1 from the end surfaces 52A and 52B of the shaft portions 48A and 48B of the 46B to the center of gravity C1.
Boss portions 42A and 42B are formed on each side (G1 = H
1) Although provided, the length L1 of each of the mounting holes 44A and 44B is slightly smaller than the length G1 to the center of gravity C1, and the height H1 and the slightly larger length are set. The mounting bosses 42A and 42B on each side may be formed at the height H1.
【００３７】また、各側取付孔４４Ａ・４４Ｂの長さＬ
１が、各側取付ボルト４６Ａ・４６Ｂの軸部４８Ａ・４
８Ｂの端面５２Ａ・５２Ｂから重心Ｃ１までの長さＧ１
よりも大きくなるような高さＨ２（図示せず）に、各側
取付ボス部４２Ａ・４２Ｂを形成（Ｇ１＜Ｈ２）して設
けてもよい。The length L of the mounting holes 44A and 44B on each side.
1 is a shaft portion 48A / 4 of each side mounting bolt 46A / 46B.
Length G1 from 8B end faces 52A / 52B to center of gravity C1
The mounting bosses 42A and 42B on each side may be formed (G1 <H2) at a height H2 (not shown) that is larger than that.
【００３８】つまり、各側取付ボス部４２Ａ・４２Ｂ
は、各側取付孔４４Ａ・４４Ｂに挿入された各側取付ボ
ルト４６Ａ・４６Ｂの徒な遊動を防止し得るように、各
側取付ボルト４６Ａ・４６Ｂの重心Ｃ１までの長さＧ１
に略等しい高さＨ１（Ｇ１≒Ｈ１）や、各側取付ボルト
４６Ａ・４６Ｂの重心Ｃ１までの長さＧ１よりも大きい
高さＨ２（Ｇ１＜Ｈ２）にすればよい。なお、各側取付
ボルト４６Ａ・４６Ｂの軸部４８Ａ・４８Ｂの全長は、
各側取付ボス部４２Ａ・４２Ｂの高さＨ１（あるいはＨ
２）に各側締付孔４０Ａ・４０Ｂに螺合されて締付けら
れる締付け長さを加えた長さに形成する。That is, the mounting bosses 42A and 42B on each side
The length G1 of each side mounting bolt 46A, 46B to the center of gravity C1 of each side mounting bolt 46A, 46B so as to prevent the loose mounting of each side mounting bolt 46A, 46B inserted into each side mounting hole 44A, 44B.
H1 (G1 ≒ H1) or a height H2 (G1 <H2) larger than the length G1 of each of the mounting bolts 46A and 46B to the center of gravity C1. The total length of the shaft portions 48A and 48B of the mounting bolts 46A and 46B on each side is
The height H1 (or H) of the mounting bosses 42A and 42B on each side.
2) It is formed to have a length obtained by adding a tightening length to be screwed into each side tightening hole 40A / 40B and tightened.
【００３９】[0039]
【発明の効果】このように、発明によれば、各側シリン
ダヘッドに取付ける前の各側吸気マニホルドの単体時
に、各側取付ボルトの軸部を各側取付ボス部の各側取付
孔に予め挿入しておいても、各側取付ボルトの重心部位
を各側取付ボス部の各側取付孔によって支持することが
できるので、振動等によって各側取付ボルトが遊動して
倒れることがないことにより、抜脱する可能性を低くす
ることができる。As described above, according to the present invention, the shaft portions of the mounting bolts of the respective sides are previously inserted into the mounting holes of the mounting bosses of the respective sides when the intake manifolds of the respective sides are not attached to the respective cylinder heads. Even if it is inserted, the center of gravity of each side mounting bolt can be supported by each side mounting hole of each side mounting boss, so that each side mounting bolt does not move and fall down due to vibration etc. , The possibility of escape can be reduced.
【００４０】このため、各側吸気マニホルドを各側シリ
ンダヘッドに取付ける際に、各側取付ボス部の各側取付
孔に予め挿入された各側取付ボルトの抜脱を防止し得
て、各側吸気マニホルドの取付けを容易とし得て、組付
工数を削減することができる。For this reason, when each intake manifold is attached to each cylinder head, it is possible to prevent each side mounting bolt previously inserted into each side mounting hole of each side mounting boss portion from being pulled out and removed. The installation of the intake manifold can be facilitated, and the number of assembly steps can be reduced.
【図１】この発明の実施例を示すＶ型エンジンの吸気装
置の要部拡大断面図である。FIG. 1 is an enlarged sectional view of a main part of an intake device of a V-type engine showing an embodiment of the present invention.
【図２】図３の矢印〓による一側吸気マニホルドの側面
図である。FIG. 2 is a side view of the one-side intake manifold indicated by an arrow の in FIG. 3;
【図３】Ｖ型エンジンの概略正面図である。FIG. 3 is a schematic front view of a V-type engine.
【図４】Ｖ型エンジンの平面図である。FIG. 4 is a plan view of a V-type engine.
【図５】従来例を示すＶ型エンジンの吸気装置の要部拡
大断面図である。FIG. 5 is an enlarged sectional view of a main part of an intake device of a V-type engine showing a conventional example.
【符号の説明】 ２ Ｖ型エンジン ４ シリンダブロック ６Ａ・６Ｂ 各側シリンダヘッド ８Ａ・８Ｂ 各側ヘッドカバー １０Ａ・１０Ｂ 各側シリンダバンク １８ 空間部 ３０Ａ・３０Ｂ 各側サージタンク部 ３２Ａ・３２Ｂ 各側吸気マニホルド ３４Ａ・３４Ｂ 各側分岐管 ３６Ａ・３６Ｂ 各側燃料噴射弁 ３８Ａ・３８Ｂ 各側締付部 ４０Ａ・４０Ｂ 各側締付孔 ４２Ａ・４２Ｂ 各側取付ボス部 ４４Ａ・４４Ｂ 各側取付孔 ４６Ａ・４６Ｂ 各側取付ボルト ４８Ａ・４８Ｂ 軸部 ５０Ａ・５０Ｂ 頭部 ５２Ａ・５２Ｂ 端面[Description of Signs] 2 V-type engine 4 Cylinder block 6A / 6B Each side cylinder head 8A / 8B Each side head cover 10A / 10B Each side cylinder bank 18 Space 30A / 30B Each side surge tank 32A / 32B Each side intake manifold 34A / 34B Each side branch pipe 36A / 36B Each side fuel injection valve 38A / 38B Each side tightening part 40A / 40B Each side tightening hole 42A / 42B Each side mounting boss 44A / 44B Each side mounting hole 46A / 46B Side mounting bolt 48A / 48B Shaft 50A / 50B Head 52A / 52B End face
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) F02M 35/104 F02B 75/22 F02M 35/116 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) F02M 35/104 F02B 75/22 F02M 35/116
Claims (2)
方に配設された他側サージタンク部に他側吸気マニホル
ドの他側分岐管の一端側を連絡して設け、これら他側分
岐管の他端側を他側シリンダバンクの他側気筒に連絡し
て設け、前記Ｖ型エンジンの他側シリンダバンクの上方
に配設された一側サージタンク部に一側吸気マニホルド
の一側分岐管の一端側を連絡して設け、これら一側分岐
管の他端側を一側シリンダバンクの一側気筒に連絡して
設けたＶ型エンジンの吸気装置において、前記一側吸気
マニホルドの一側分岐管の他端側にはこの一側分岐管に
取付けられた一側燃料噴射弁と他側分岐管との間に位置
させて一側取付ボス部を設け、前記他側吸気マニホルド
の他側分岐管の他端側にはこの他側分岐管に取付けられ
た他側燃料噴射弁と一側分岐管との間に位置させて他側
取付ボス部を設け、これら各側取付ボス部に夫々各側取
付孔を設け、前記各側吸気マニホルドを各側シリンダヘ
ッドに取付ける前にこれら各側取付孔に予め挿入されて
各側シリンダヘッドの各側締付孔に螺合されることによ
り前記各側吸気マニホルドを各側シリンダヘッドに取付
ける各側取付ボルトを設け、前記各側取付孔の長さが前
記各側取付ボルトの軸部端面から重心までの長さに略等
しくなるような高さに前記各側取付ボス部を形成して設
けたことを特徴とするＶ型エンジンの吸気装置。1. A provided to contact the one end of the other side branch pipes of the other side intake manifold on the other side surge tank disposed above the one side cylinder banks of the V-type engine, these other side branch pipes the other end is provided to contact the other side cylinders of the other side cylinder banks, the upper other side cylinder banks of the V-type engine
The one-side intake manifold is located on the one-side surge tank
One end of the one-side branch pipe is connected to
Connect the other end of the pipe to one cylinder of one cylinder bank
In an intake device for a V-type engine provided in the one side branch to the other end of one side branch of the one side intake manifold
Position between the installed one-side fuel injection valve and the other-side branch pipe
So that one side mounting boss is provided and the other side intake manifold is provided.
The other end of the other branch pipe is attached to this other branch pipe.
Between the other side fuel injection valve and one side branch pipe.
A mounting boss is provided, and a mounting hole is provided in each mounting boss on each side, and the intake manifold on each side is connected to a cylinder on each side.
Before mounting on each cylinder head, each side mounting bolt for mounting each side intake manifold to each side cylinder head by being pre- inserted into each side mounting hole and screwed into each side tightening hole of each side cylinder head. Wherein each side mounting hole is formed and provided at a height such that the length of each side mounting hole is substantially equal to the length from the shaft end face to the center of gravity of each side mounting bolt. V-type engine intake device.
方に配設された他側サージタンク部に他側吸気マニホル
ドの他側分岐管の一端側を連絡して設け、これら他側分
岐管の他端側を他側シリンダバンクの他側気筒に連絡し
て設け、前記Ｖ型エンジンの他側シリンダバンクの上方
に配設された一側サージタンク部に一側吸気マニホルド
の一側分岐管の一端側を連絡して設け、これら一側分岐
管の他端側を一側シリンダバンクの一側気筒に連絡して
設けたＶ型エンジンの吸気装置において、前記一側吸気
マニホルドの一側分岐管の他端側にはこの一側分岐管に
取付けられた一側燃料噴射弁と他側分岐管との間に位置
させて一側取付ボス部を設け、前記他側吸気マニホルド
の他側分岐管の他端側にはこの他側分岐管に取付けられ
た他側燃料噴射弁と一側分岐管との間に位置させて他側
取付ボス部を設け、これら各側取付ボス部に夫々各側取
付孔を設け、前記各側吸気マニホルドを各側シリンダヘ
ッドに取付ける前にこれら各側取付孔に予め挿入されて
各側シリンダヘッドの各側締付孔に螺合されることによ
り前記各側吸気マニホルドを各側シリンダヘッドに取付
ける各側取付ボルトを設け、前記各側取付孔の長さが前
記各側取付ボルトの軸部端面から重心までの長さよりも
大きくなるような高さに前記各側取付ボス部を形成して
設けたことを特徴とするＶ型エンジンの吸気装置。Wherein provided in communication with one end of the other side branch pipes of the other side intake manifold on the other side surge tank disposed above the one side cylinder banks of the V-type engine, these other side branch pipes the other end is provided to contact the other side cylinders of the other side cylinder banks, the upper other side cylinder banks of the V-type engine
The one-side intake manifold is located on the one-side surge tank
One end of the one-side branch pipe is connected to
Connect the other end of the pipe to one cylinder of one cylinder bank
In an intake device for a V-type engine provided in the one side branch to the other end of one side branch of the one side intake manifold
Position between the installed one-side fuel injection valve and the other-side branch pipe
So that one side mounting boss is provided and the other side intake manifold is provided.
The other end of the other branch pipe is attached to this other branch pipe.
Between the other side fuel injection valve and one side branch pipe.
A mounting boss is provided, and a mounting hole is provided in each mounting boss on each side, and the intake manifold on each side is connected to a cylinder on each side.
Before mounting on each cylinder head, each side mounting bolt for mounting each side intake manifold to each side cylinder head by being pre- inserted into each side mounting hole and screwed into each side tightening hole of each side cylinder head. Wherein each side mounting hole is formed and provided at a height such that the length of each side mounting hole is greater than the length from the shaft end face to the center of gravity of each side mounting bolt. V-type engine intake device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6303093A JP3139203B2 (en) | 1993-02-26 | 1993-02-26 | V-type engine intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6303093A JP3139203B2 (en) | 1993-02-26 | 1993-02-26 | V-type engine intake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06249090A JPH06249090A (en) | 1994-09-06 |
| JP3139203B2 true JP3139203B2 (en) | 2001-02-26 |
Family
ID=13217529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6303093A Expired - Fee Related JP3139203B2 (en) | 1993-02-26 | 1993-02-26 | V-type engine intake system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3139203B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4521322B2 (en) * | 2005-06-24 | 2010-08-11 | 愛知機械工業株式会社 | Intake manifold |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59100962U (en) * | 1982-12-24 | 1984-07-07 | 本田技研工業株式会社 | Internal combustion engine intake manifold mounting structure |
| JPS6269072U (en) * | 1985-10-21 | 1987-04-30 | ||
| JPH048302Y2 (en) * | 1985-10-22 | 1992-03-03 | ||
| JP2516269Y2 (en) * | 1988-10-24 | 1996-11-06 | 日産自動車株式会社 | Intake manifold device for internal combustion engine |
-
1993
- 1993-02-26 JP JP6303093A patent/JP3139203B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06249090A (en) | 1994-09-06 |
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