JP2010084537A - Fuel injection device for v-type engine - Google Patents

Fuel injection device for v-type engine Download PDF

Info

Publication number
JP2010084537A
JP2010084537A JP2008251696A JP2008251696A JP2010084537A JP 2010084537 A JP2010084537 A JP 2010084537A JP 2008251696 A JP2008251696 A JP 2008251696A JP 2008251696 A JP2008251696 A JP 2008251696A JP 2010084537 A JP2010084537 A JP 2010084537A
Authority
JP
Japan
Prior art keywords
fuel
supply pipe
injection valve
valve holding
fuel supply
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.)
Granted
Application number
JP2008251696A
Other languages
Japanese (ja)
Other versions
JP5118598B2 (en
Inventor
Yasushi Kondo
靖史 近藤
Makoto Tanida
誠 谷田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Keihin Corp
Original Assignee
Keihin Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Keihin Corp filed Critical Keihin Corp
Priority to JP2008251696A priority Critical patent/JP5118598B2/en
Publication of JP2010084537A publication Critical patent/JP2010084537A/en
Application granted granted Critical
Publication of JP5118598B2 publication Critical patent/JP5118598B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Fuel-Injection Apparatus (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fuel injection device for a V-type engine, absorbing an error in assembling a fuel supply pipe without requiring high accuracy in manufacturing a member, and reducing stress concentration caused by vibration of the V-type engine. <P>SOLUTION: Fuel valve holding parts 6 respectively holding rear ends of fuel injection valves 3 injecting fuel into intake passages 1, and a communicating part 7 connecting between the fuel valve holding parts 6 at a position where axes of the injection valve holding parts 6 intersect with each other constitute a fuel supply pipe 4, and the fuel supply pipe is integrally formed of resin. The communicating part 7 is lower in rigidity than the injection valve holding part 6. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、Ｖ型エンジン用燃料噴射装置に係り、特に、Ｖ型エンジンの各吸気通路に燃料を噴射する燃料噴射弁に燃料を供給するための燃料供給管を備えてなるＶ型エンジン用燃料噴射装置に関する。   The present invention relates to a fuel injection device for a V-type engine, and in particular, a fuel for a V-type engine provided with a fuel supply pipe for supplying fuel to a fuel injection valve that injects fuel into each intake passage of the V-type engine. The present invention relates to an injection device.

従来、Ｖ型エンジンの燃料噴射装置としては、相互にＶ型状に配置されるシリンダヘッドの吸気ポートに通じる通路形成部材を設け、この通路形成部材に個別に燃料を噴射する燃料噴射弁をそれぞれ取付け、各燃料噴射弁の軸線に沿って接続される燃料通路と、これら各燃料通路を連通させる連通路とからなる燃料供給管を設けるようにした技術が開示されている（例えば、特許文献１参照。）。
特開２００６−６３８５５号公報 Conventionally, as a fuel injection device for a V-type engine, a passage forming member that communicates with an intake port of a cylinder head that is arranged in a V shape is provided, and a fuel injection valve that individually injects fuel into the passage forming member is provided. A technique is disclosed in which a fuel supply pipe is provided that includes a fuel passage that is attached and connected along the axis of each fuel injection valve, and a communication passage that connects these fuel passages (for example, Patent Document 1). reference.).
JP 2006-63855 A

しかしながら、前記特許文献１に記載の発明においては、燃料供給管が剛性部材で形成されており、燃料通路および連通路と燃料噴射弁とを組み付ける際に、組み付け誤差が生じることから、適切に組付けを行うためには、各部品を高精度に製造する必要がある。また、特許文献１に記載の発明においては、通路形成部材が１つの部材で構成されているためそれほど大きな問題とはならないが、Ｖ型エンジンのスロットルボディに同様の構造を適用した場合には、２つのスロットルボディの組み付け誤差も加わることから、さらに高い精度が要求されることになる。   However, in the invention described in Patent Document 1, the fuel supply pipe is formed of a rigid member, and an assembly error occurs when the fuel passage, the communication passage, and the fuel injection valve are assembled. In order to perform attachment, it is necessary to manufacture each part with high accuracy. Further, in the invention described in Patent Document 1, since the passage forming member is composed of a single member, there is no significant problem. However, when a similar structure is applied to the throttle body of the V-type engine, Since the assembly error of the two throttle bodies is also added, higher accuracy is required.

また、Ｖ型エンジンを駆動した場合に、各シリンダの動作により発生する振動がスロットルボディに交互に伝達することになるが、構造上、燃料供給管に応力が集中しやすく、燃料供給管により応力を吸収することができないことから、燃料供給管の寿命が短くなってしまうという問題を有している。従来、このような燃料供給管に集中する応力を逃がす構造は採用されていなかった。   In addition, when a V-type engine is driven, vibrations generated by the operation of each cylinder are alternately transmitted to the throttle body. However, due to the structure, stress tends to concentrate on the fuel supply pipe, and stress is generated by the fuel supply pipe. Since the fuel cannot be absorbed, there is a problem that the life of the fuel supply pipe is shortened. Conventionally, such a structure for releasing stress concentrated on the fuel supply pipe has not been adopted.

本発明は前記した点に鑑みてなされたものであり、部材を高精度で製造することなく、燃料供給管による組み付け誤差を吸収することができ、しかもＶ型エンジンの振動による応力集中も緩和することのできるＶ型エンジン用燃料噴射装置を提供することを目的とするものである。   The present invention has been made in view of the above points, and can absorb an assembly error caused by a fuel supply pipe without manufacturing a member with high accuracy, and can also reduce stress concentration due to vibration of a V-type engine. An object of the present invention is to provide a V-type fuel injection device for an engine.

前記目的を達成するために、請求項１に記載の発明に係るＶ型エンジン用燃料噴射装置は、二輪車のＶ型エンジンを構成する各シリンダに接続される吸気通路を設けるとともに、前記吸気通路にそれぞれ燃料を噴射する燃料噴射弁をそれぞれ設け、前記各燃料噴射弁の後端部をそれぞれ保持する噴射弁保持部と、これら各噴射弁保持部の軸線が交差する位置で前記各噴射弁保持部を連結する連通部とからなる燃料供給管を樹脂により一体に形成し、前記連通部の剛性を前記噴射弁保持部の剛性より低くなるように形成したことを特徴とする。   In order to achieve the above object, a fuel injection device for a V-type engine according to the invention described in claim 1 is provided with an intake passage connected to each cylinder constituting a V-type engine of a motorcycle, and the intake passage is provided with the intake passage. A fuel injection valve for injecting fuel, respectively, and an injection valve holding portion for holding a rear end portion of each fuel injection valve, and each injection valve holding portion at a position where the axes of these injection valve holding portions intersect. A fuel supply pipe comprising a communicating part for connecting the two is integrally formed of resin, and the rigidity of the communicating part is formed to be lower than the rigidity of the injection valve holding part.

また請求項２記載の発明は、請求項１に記載の発明において、前記連通部の厚さ寸法を前記噴射弁保持部の厚さ寸法より小さく形成することで、前記連通部の剛性を前記噴射弁保持部の剛性より低くなるようにしたことを特徴とする。   According to a second aspect of the present invention, in the first aspect of the present invention, the thickness of the communication portion is formed to be smaller than the thickness of the injection valve holding portion, whereby the rigidity of the communication portion is increased. It is characterized by being lower than the rigidity of the valve holding part.

請求項３記載の発明は、請求項１または２記載の発明において、各噴射弁保持部の近傍に、前記燃料供給管を取付けるための供給管取付部をその軸線が前記噴射弁保持部の軸線と平行となるように形成したことを特徴とする。   According to a third aspect of the present invention, in the first or second aspect of the present invention, in the vicinity of each injection valve holding portion, a supply pipe mounting portion for mounting the fuel supply pipe is an axis of the injection valve holding portion. It was formed so that it might become parallel to.

請求項１記載の発明によれば、燃料供給管の連通部の剛性を噴射弁保持部の剛性より低くなるように形成しているので、燃料供給管を組み付ける際に、組み付け誤差が生じた場合でも、燃料供給管の連通部がねじれることで、組み付け誤差を適正に吸収することができる。そのため、燃料供給管を高精度で製造しなくても、適切に組み付けを行うことができる。また、Ｖ型エンジンを駆動した場合に、Ｖ型エンジンのピストンの駆動による振動が交互に燃料供給管に伝達されることになるが、燃料供給管の連通部の剛性を低くなるようにしているので、連通部がねじれることにより、エンジンの振動により発生する応力を吸収することができ、その結果、燃料供給管４に加わる負担が少なく、燃料供給管４の長寿命化を図ることができる。   According to the first aspect of the present invention, since the rigidity of the communication part of the fuel supply pipe is formed to be lower than the rigidity of the injection valve holding part, an assembly error occurs when the fuel supply pipe is assembled. However, assembling errors can be appropriately absorbed by twisting the communication portion of the fuel supply pipe. Therefore, the fuel supply pipe can be appropriately assembled without manufacturing it with high accuracy. Further, when the V-type engine is driven, vibration due to driving of the piston of the V-type engine is alternately transmitted to the fuel supply pipe, but the rigidity of the communication portion of the fuel supply pipe is lowered. Therefore, when the communication portion is twisted, the stress generated by the vibration of the engine can be absorbed. As a result, the load applied to the fuel supply pipe 4 is small and the life of the fuel supply pipe 4 can be extended.

また請求項２記載の発明によれば、連通部の厚さ寸法を噴射弁保持部の厚さ寸法より小さく形成することで、連通部の剛性を噴射弁保持部の剛性より低くなるようにしているので、燃料供給管を高精度で製造することなく、容易に組み付け誤差を吸収することができ、Ｖ型エンジンの振動による応力も吸収して燃料供給管の長寿命化を図ることができる。   According to the second aspect of the present invention, the thickness of the communication portion is made smaller than the thickness of the injection valve holding portion so that the rigidity of the communication portion is lower than the rigidity of the injection valve holding portion. Therefore, the assembly error can be easily absorbed without manufacturing the fuel supply pipe with high accuracy, and the stress due to the vibration of the V-type engine can be absorbed to extend the life of the fuel supply pipe.

請求項３記載の発明によれば、各噴射弁保持部の近傍に供給管取付部を配置するようにしているので、噴射弁保持部および供給管取付部の剛性を高くすることができ、しかも、各噴射弁保持部の軸線と、供給管取付部の軸線とを平行となるように形成しているので、応力の加わる方向を一方向に集中させることができる。   According to the invention described in claim 3, since the supply pipe mounting portion is disposed in the vicinity of each injection valve holding portion, the rigidity of the injection valve holding portion and the supply pipe mounting portion can be increased, and Since the axis of each injection valve holding part and the axis of the supply pipe mounting part are formed in parallel, the direction in which stress is applied can be concentrated in one direction.

以下、本発明の実施形態を図面に基づいて説明する。
図１から図３は本発明に係るＶ型エンジン用燃料噴射装置の実施形態を示したものである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 3 show an embodiment of a fuel injection device for a V-type engine according to the present invention.

本実施形態においては、二輪車のＶ型エンジンを構成する各シリンダ（図示せず）に接続される吸気通路１，１がそれぞれ設けられたスロットルボディ１０を備えており、スロットルボディ１０の互いに対向する側面には、ねじ穴１１が形成された配管取付部１２が形成されている。また、吸気通路1の互いに対向する側面の下方位置には、燃料噴射口２，２がそれぞれ傾斜して設けられている。これら各燃料噴射口２には、それぞれ燃料噴射弁３，３の先端部が取付けられており、これら各燃料噴射弁３の後端部には、各燃料噴射弁３に燃料を供給する燃料供給管４が取付けられている。   In the present embodiment, there is provided a throttle body 10 provided with intake passages 1 and 1 connected to respective cylinders (not shown) constituting a V-type engine of a motorcycle, and the throttle bodies 10 face each other. On the side surface, a pipe attachment portion 12 in which a screw hole 11 is formed is formed. In addition, fuel injection ports 2 and 2 are respectively provided at an inclined position below the mutually opposing side surfaces of the intake passage 1. Each of these fuel injection ports 2 is provided with a front end portion of a fuel injection valve 3, 3. A fuel supply for supplying fuel to each fuel injection valve 3 is provided at the rear end portion of each fuel injection valve 3. A tube 4 is attached.

この燃料供給管４は、各燃料噴射弁３の後端部に連結され内部に燃料流路５が形成された噴射弁保持部６を備えており、これら各噴射弁保持部６は、互いにＶ字状となるように傾斜して形成されている。また、噴射弁保持部６の軸線すなわち燃料噴射弁３の軸線が、図１において正面からみて交差する位置には、各噴射弁保持部６を連通する連通部７が設けられている。各噴射弁保持部６の上方近傍には、供給管取付部９がその軸線が噴射弁保持部６の軸線と平行となるように形成されている。そして、燃料供給管４の供給管取付部９をスロットルボディ１０の配管取付部１２に配置して、ねじ８をねじ穴１１に螺合させることにより、燃料供給管4をスロットルボディ１０に組み付けるように構成されている。   The fuel supply pipe 4 includes an injection valve holding portion 6 that is connected to a rear end portion of each fuel injection valve 3 and has a fuel flow path 5 formed therein. It is formed to be inclined so as to have a letter shape. Further, a communication portion 7 that communicates each injection valve holding portion 6 is provided at a position where the axis of the injection valve holding portion 6, that is, the axis of the fuel injection valve 3 intersects when viewed from the front in FIG. 1. Near the upper portion of each injection valve holding portion 6, a supply pipe mounting portion 9 is formed so that its axis is parallel to the axis of the injection valve holding portion 6. Then, the fuel supply pipe 4 is assembled to the throttle body 10 by disposing the supply pipe attachment portion 9 of the fuel supply pipe 4 on the pipe attachment portion 12 of the throttle body 10 and screwing the screw 8 into the screw hole 11. It is configured.

また、本実施形態においては、連通部７は、噴射弁保持部６に対して剛性が低くなるように形成されている。具体的には、図３に示すように、噴射弁保持部６の厚さ寸法より、連通部７の厚さ寸法が小さくなるように形成されるものである。このように連通部７の剛性を低く設定した場合に、連通部７の破損を防止するためには、連通部７に掛かる最大応力が連通部７の形成材料の許容応力に対して、許容応力／最大応力≧１．５の条件を満たす必要がある。そのため、この条件を確保したときの、噴射弁保持部６の断面係数Ａと、連通部７の断面係数Ｂとの関係は、Ａ／Ｂが１を超えて設定すれば、効果が現れるが、Ａ／Ｂが２以上に設定すれば、所望の効果を得ることができるものである。   In the present embodiment, the communication portion 7 is formed so as to have a lower rigidity than the injection valve holding portion 6. Specifically, as shown in FIG. 3, the thickness dimension of the communication part 7 is formed to be smaller than the thickness dimension of the injection valve holding part 6. In this way, when the rigidity of the communication portion 7 is set low, in order to prevent the communication portion 7 from being damaged, the maximum stress applied to the communication portion 7 is higher than the allowable stress of the forming material of the communication portion 7. / It is necessary to satisfy the condition of maximum stress ≧ 1.5. Therefore, when this condition is secured, the relationship between the section modulus A of the injection valve holding part 6 and the section coefficient B of the communication part 7 is effective if A / B is set to exceed 1. If A / B is set to 2 or more, a desired effect can be obtained.

さらに、燃料供給管４の一側には、燃料供給管４に燃料を供給する燃料配管（図示せず）が接続される配管接続部１３が形成されている。   Further, on one side of the fuel supply pipe 4, a pipe connection portion 13 to which a fuel pipe (not shown) for supplying fuel to the fuel supply pipe 4 is connected is formed.

次に、本発明の作用について説明する。   Next, the operation of the present invention will be described.

本実施形態においては、燃料供給管４の連通部７は、噴射弁保持部６に対して剛性が低くなるように形成しているので、燃料供給管４を組み付ける際に、組み付け誤差が生じた場合でも、燃料供給管４の連通部７がねじれることで、組み付け誤差を適正に吸収することができるものである。そのため、燃料供給管４を高精度で製造しなくても、適切に組み付けを行うことができる。   In the present embodiment, the communication part 7 of the fuel supply pipe 4 is formed so as to be less rigid with respect to the injection valve holding part 6, so that an assembly error has occurred when the fuel supply pipe 4 is assembled. Even in this case, the connecting portion 7 of the fuel supply pipe 4 is twisted so that the assembly error can be properly absorbed. Therefore, even if the fuel supply pipe 4 is not manufactured with high accuracy, it can be properly assembled.

また、Ｖ型エンジンを駆動した場合には、燃料配管から配管接続部１３を介して燃料供給管４に送られる燃料を各噴射弁保持部６および連通部７により燃料噴射弁３に供給し、この燃料噴射弁３から各吸気通路１に燃料を噴射するものである。このとき、Ｖ型エンジンを駆動した場合に、各シリンダの動作により発生する振動がスロットルボディ１０に交互に伝達されることになり、燃料供給管４にも振動が加わることになるが、燃料供給管４の連通部７の剛性を低くなるようにしているので、連通部７がねじれることにより、エンジンの振動により発生する応力を吸収することができるものである。   Further, when the V-type engine is driven, the fuel sent from the fuel pipe to the fuel supply pipe 4 via the pipe connection part 13 is supplied to the fuel injection valve 3 by each injection valve holding part 6 and the communication part 7, Fuel is injected from the fuel injection valve 3 into each intake passage 1. At this time, when the V-type engine is driven, vibration generated by the operation of each cylinder is alternately transmitted to the throttle body 10 and vibration is also applied to the fuel supply pipe 4. Since the rigidity of the communication part 7 of the pipe 4 is lowered, the stress generated by the vibration of the engine can be absorbed when the communication part 7 is twisted.

さらに、各噴射弁保持部６の近傍に供給管取付部９を配置するようにしているので、噴射弁保持部６および供給管取付部９の剛性を高くすることができ、しかも、各噴射弁保持部６の軸線と、供給管取付部９の軸線とを平行となるように形成しているので、応力の加わる方向を一方向に集中させることができる。   Furthermore, since the supply pipe mounting portion 9 is arranged in the vicinity of each injection valve holding portion 6, the rigidity of the injection valve holding portion 6 and the supply pipe mounting portion 9 can be increased, and each injection valve Since the axis of the holding portion 6 and the axis of the supply pipe mounting portion 9 are formed in parallel, the direction in which stress is applied can be concentrated in one direction.

以上述べたように、本実施形態においては、燃料供給管４の連通部７の剛性を噴射弁保持部６の剛性より低くなるようにしているので、燃料供給管４の連通部７がねじれることで、燃料供給管４の組み付け誤差を適正に吸収することができる。その結果、燃料供給管４を高精度で製造しなくても、適切に組み付けを行うことができ、製造コストの低減を図ることができる。   As described above, in the present embodiment, the rigidity of the communication part 7 of the fuel supply pipe 4 is made lower than the rigidity of the injection valve holding part 6, so that the communication part 7 of the fuel supply pipe 4 is twisted. Thus, the assembly error of the fuel supply pipe 4 can be properly absorbed. As a result, even if the fuel supply pipe 4 is not manufactured with high accuracy, the fuel supply pipe 4 can be appropriately assembled, and the manufacturing cost can be reduced.

また、Ｖ型エンジンの駆動により発生した振動が燃料供給管４に伝達された場合でも、燃料供給管４の連通部７の剛性を低くなるようにしているので、連通部７がねじれることにより、エンジンの振動により発生する応力を吸収することができ、燃料供給管４に加わる負担が少なく、燃料供給管４の長寿命化を図ることができる。   Further, even when vibration generated by driving the V-type engine is transmitted to the fuel supply pipe 4, the rigidity of the communication portion 7 of the fuel supply pipe 4 is reduced, so that the communication portion 7 is twisted, The stress generated by the vibration of the engine can be absorbed, the burden on the fuel supply pipe 4 is small, and the life of the fuel supply pipe 4 can be extended.

さらに、各噴射弁保持部６の近傍に供給管取付部９を配置するようにしているので、噴射弁保持部６および供給管取付部９の剛性を高くすることができ、しかも、各噴射弁保持部６の軸線と、供給管取付部９の軸線とを平行となるように形成しているので、応力の加わる方向を一方向に集中させることができる。   Furthermore, since the supply pipe mounting portion 9 is arranged in the vicinity of each injection valve holding portion 6, the rigidity of the injection valve holding portion 6 and the supply pipe mounting portion 9 can be increased, and each injection valve Since the axis of the holding portion 6 and the axis of the supply pipe mounting portion 9 are formed in parallel, the direction in which stress is applied can be concentrated in one direction.

なお、本発明は前記実施形態に限定されるものではなく、本発明の趣旨に基づいて種々の変形が可能である。   In addition, this invention is not limited to the said embodiment, A various deformation | transformation is possible based on the meaning of this invention.

本発明に係るＶ型エンジン用燃料噴射装置の実施形態を示す一部の正面図である。It is a partial front view which shows embodiment of the fuel-injection apparatus for V type engines which concerns on this invention. 本発明に係るＶ型エンジン用燃料噴射装置の燃料供給管を示す平面図である。It is a top view which shows the fuel supply pipe | tube of the fuel injection apparatus for V type engines which concerns on this invention. 図２に示す燃料供給管の断面図である。It is sectional drawing of the fuel supply pipe | tube shown in FIG.

符号の説明Explanation of symbols

１ 吸気通路
２ 燃料噴射口
３ 燃料噴射弁
４ 燃料供給管
６ 噴射弁保持部
７ 連通部
９ 供給管取付部
１０ 配管接続部 DESCRIPTION OF SYMBOLS 1 Intake passage 2 Fuel injection port 3 Fuel injection valve 4 Fuel supply pipe 6 Injection valve holding part 7 Communication part 9 Supply pipe attachment part 10 Pipe connection part

Claims (3)

二輪車のＶ型エンジンを構成する各シリンダに接続される吸気通路を設けるとともに、前記吸気通路にそれぞれ燃料を噴射する燃料噴射弁をそれぞれ設け、前記各燃料噴射弁の後端部をそれぞれ保持する噴射弁保持部と、これら各噴射弁保持部の軸線が交差する位置で前記各噴射弁保持部を連結する連通部とからなる燃料供給管を樹脂により一体に形成し、前記連通部の剛性を前記噴射弁保持部の剛性より低くなるように形成したことを特徴とするＶ型エンジン用燃料噴射装置。   An intake passage connected to each cylinder constituting the V-type engine of the two-wheeled vehicle is provided, a fuel injection valve for injecting fuel is provided in the intake passage, and an injection for holding a rear end portion of each fuel injection valve. A fuel supply pipe comprising a valve holding portion and a communication portion connecting the injection valve holding portions at a position where the axes of the injection valve holding portions intersect is integrally formed of resin, and the rigidity of the communication portion is A fuel injection device for a V-type engine, which is formed so as to be lower than the rigidity of the injection valve holding portion. 前記連通部の厚さ寸法を前記噴射弁保持部の厚さ寸法より小さく形成することで、前記連通部の剛性を前記噴射弁保持部の剛性より低くなるようにしたことを特徴とする請求項１に記載のＶ型エンジン用燃料噴射装置。   The thickness of the communication part is made smaller than the thickness dimension of the injection valve holding part, whereby the rigidity of the communication part is made lower than the rigidity of the injection valve holding part. 2. A fuel injection device for a V-type engine according to 1. 各噴射弁保持部の近傍に、前記燃料供給管を取付けるための供給管取付部をその軸線が前記噴射弁保持部の軸線と平行となるように形成したことを特徴とする請求項１または請求項２に記載のＶ型エンジン用燃料噴射装置。
2. A supply pipe mounting portion for mounting the fuel supply pipe is formed in the vicinity of each injection valve holding portion so that its axis is parallel to the axis of the injection valve holding portion. Item 3. A fuel injection device for a V-type engine according to Item 2.
JP2008251696A 2008-09-29 2008-09-29 Fuel injector for V-type engine Expired - Fee Related JP5118598B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008251696A JP5118598B2 (en) 2008-09-29 2008-09-29 Fuel injector for V-type engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008251696A JP5118598B2 (en) 2008-09-29 2008-09-29 Fuel injector for V-type engine

Publications (2)

Publication Number Publication Date
JP2010084537A true JP2010084537A (en) 2010-04-15
JP5118598B2 JP5118598B2 (en) 2013-01-16

Family

ID=42248755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008251696A Expired - Fee Related JP5118598B2 (en) 2008-09-29 2008-09-29 Fuel injector for V-type engine

Country Status (1)

Country Link
JP (1) JP5118598B2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56101054A (en) * 1980-01-18 1981-08-13 Yamaha Motor Co Ltd Engine for use in vehicle
JPS5970873A (en) * 1982-08-23 1984-04-21 ゼネラル　モーターズ　コーポレーション Fuel rail
JPH0738662U (en) * 1993-12-17 1995-07-14 アイシン軽金属株式会社 Fuel delivery pipe
JP2000145596A (en) * 1998-11-06 2000-05-26 Keihin Corp Fuel injection valve in fuel injector for v-engine
JP2006063855A (en) * 2004-08-26 2006-03-09 Honda Motor Co Ltd Fuel supply device for vehicle v-type engine
JP2006233806A (en) * 2005-02-23 2006-09-07 Mikuni Corp Fuel delivery pipe

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56101054A (en) * 1980-01-18 1981-08-13 Yamaha Motor Co Ltd Engine for use in vehicle
JPS5970873A (en) * 1982-08-23 1984-04-21 ゼネラル　モーターズ　コーポレーション Fuel rail
JPH0738662U (en) * 1993-12-17 1995-07-14 アイシン軽金属株式会社 Fuel delivery pipe
JP2000145596A (en) * 1998-11-06 2000-05-26 Keihin Corp Fuel injection valve in fuel injector for v-engine
JP2006063855A (en) * 2004-08-26 2006-03-09 Honda Motor Co Ltd Fuel supply device for vehicle v-type engine
JP2006233806A (en) * 2005-02-23 2006-09-07 Mikuni Corp Fuel delivery pipe

Also Published As

Publication number Publication date
JP5118598B2 (en) 2013-01-16

Similar Documents

Publication Publication Date Title
US8944031B2 (en) Mounting structure for a direct injection fuel rail
JP5447138B2 (en) High-pressure fuel piping structure
EP3312408B1 (en) Structure of gdi fuel delivery pipe
ATE475583T1 (en) VEHICLE TO BE USED IN STRADDLE SEAT
KR101777062B1 (en) Mounting structure of fuel rail
US9127630B2 (en) Fuel supply apparatus for engine
JP5469253B2 (en) Flange device and intake system
US7980226B2 (en) Fuel system for a direct injection engine
JP5118598B2 (en) Fuel injector for V-type engine
JP5887154B2 (en) Fuel delivery pipe
KR101861002B1 (en) Fuel rail assembly for vehicle
JP5092805B2 (en) Fuel supply device for multi-cylinder internal combustion engine
US8640667B2 (en) Fixing structures for intake manifolds
US20150007786A1 (en) Fuel supply apparatus of internal combustion engine
JP2007009881A (en) Fuel injection device for motorcycle
JP2010185359A (en) Fuel injection device of internal combustion engine
JP7481606B2 (en) Fuel injection system
CN109723585B (en) Assembly structure for intake manifold
JP7295361B2 (en) fuel injection system
JP3948461B2 (en) Engine fuel injection system
JP2015068219A (en) Engine fuel injection device
JP7481605B2 (en) Fuel injection system
JP2008057345A (en) Intake device
JP7265959B2 (en) Mounting structure for engine parts
JP2006329034A (en) Fuel supply device of v-type internal combustion engine

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110516

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120717

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120719

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120911

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20121002

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20121019

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20151026

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees