JP2751771B2 - Cylinder block for in-line multi-cylinder engine - Google Patents
Cylinder block for in-line multi-cylinder engineInfo
- Publication number
- JP2751771B2 JP2751771B2 JP34582092A JP34582092A JP2751771B2 JP 2751771 B2 JP2751771 B2 JP 2751771B2 JP 34582092 A JP34582092 A JP 34582092A JP 34582092 A JP34582092 A JP 34582092A JP 2751771 B2 JP2751771 B2 JP 2751771B2
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- cylinder block
- knock sensor
- side wall
- fluid passage
- 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
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は直列多気筒エンジンのシ
リンダブロックに関し、ノッキング振動を確実に検出で
きるようにしたものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylinder block of an in-line multi-cylinder engine, in which knocking vibration can be reliably detected.
【０００２】[0002]
【従来の技術】図３に基づいて従来の直列多気筒エンジ
ンのシリンダブロックを説明する。図３には従来の直列
多気筒エンジンのシリンダブロックの斜視を示してあ
る。2. Description of the Related Art A cylinder block of a conventional in-line multi-cylinder engine will be described with reference to FIG. FIG. 3 is a perspective view of a cylinder block of a conventional in-line multi-cylinder engine.
【０００３】シリンダブロック１には４個のシリンダボ
ア２が直列に配列され、シリンダボア２に近接して流体
通路としての油落し穴３が設けられている。シリンダブ
ロック１の側壁１ａにおける油落し穴３は上下方向に延
びる突出部４となっている。シリンダボア２の配列方向
の略中央における側壁１ａの突出部４の近傍にはノック
センサ取付座５が設けられ、ノックセンサ取付座５には
図示しないノックセンサが取付けられるようになってい
る。[0003] Four cylinder bores 2 are arranged in series in a cylinder block 1, and an oil bleed hole 3 as a fluid passage is provided near the cylinder bore 2. The oil drop hole 3 in the side wall 1a of the cylinder block 1 is a projection 4 extending in the vertical direction. A knock sensor mounting seat 5 is provided near the protrusion 4 of the side wall 1a at substantially the center in the arrangement direction of the cylinder bores 2, and a knock sensor (not shown) is mounted on the knock sensor mounting seat 5.
【０００４】ノッキングは、燃焼室内の端末部の未燃ガ
スの自己発火により燃焼室内のガスが振動を起こし、こ
の振動がエンジン本体、例えばシリンダブロック１に伝
わる現象である。このようなノッキングが激しく発生す
ると、エネルギーの損失（出力低下）やエンジン各部へ
の衝撃、更には燃費の低下等を招来する。[0004] Knocking is a phenomenon in which the gas in the combustion chamber vibrates due to the self-ignition of the unburned gas at the end of the combustion chamber, and this vibration is transmitted to the engine body, for example, the cylinder block 1. When such knocking occurs violently, energy loss (output reduction), impact on various parts of the engine, and further reduction in fuel consumption are caused.
【０００５】このため、ノッキングは回避することが望
ましく、従来では、シリンダブロック１のノックセンサ
取付座５にノックセンサを取付け、ノックセンサにより
ノッキング振動を検出するようにしている。ノックセン
サの検出信号に基づいて気筒の点火時期を遅らせる等の
制御を行なって、ノッキングを回避するようにしてい
る。For this reason, it is desirable to avoid knocking. Conventionally, a knock sensor is mounted on the knock sensor mounting seat 5 of the cylinder block 1, and knock vibration is detected by the knock sensor. The knocking is avoided by performing control such as delaying the ignition timing of the cylinder based on the detection signal of the knock sensor.
【０００６】[0006]
【発明が解決しようとする課題】従来のシリンダブロッ
ク１では、シリンダボア２の配列方向の略中央部におけ
る側壁１ａにノックセンサ取付座５を設け、１つのノッ
クセンサでノッキング振動を検出するようにしている。
しかし、シリンダブロック１の側壁１ａには油落し穴３
の突出部４が形成されているため、側壁１ａは凹凸状態
になっている。従って、ノッキング振動が正確にノック
センサ取付座５まで伝わらない場合があり、ノッキング
を確実に検出できない虞があった。In the conventional cylinder block 1, a knock sensor mounting seat 5 is provided on a side wall 1a substantially at the center in the arrangement direction of the cylinder bores 2, and knock vibration is detected by one knock sensor. I have.
However, the side wall 1a of the cylinder block 1
Is formed, the side wall 1a is in an uneven state. Therefore, knocking vibration may not be transmitted to knock sensor mounting seat 5 accurately, and knocking may not be reliably detected.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
の本発明の構成は、複数のシリンダボアが直列に配置さ
れると共に、シリンダボアに近接してシリンダボアの軸
方向と平行に延びる流体通路が側壁から突出した状態で
形成され、シリンダボアの配列方向の略中央における側
壁の流体通路近傍にノックセンサ取付座が設けられた直
列多気筒エンジンのシリンダブロックにおいて、それぞ
れの流体通路の外壁を連結し流体通路の長手方向に交差
する方向に延びるリブを側壁に形成したことを特徴とす
る。In order to solve the above-mentioned problem, according to the present invention, a plurality of cylinder bores are arranged in series, and an axis of the cylinder bore is located near the cylinder bore.
In the cylinder block of an in-line multi-cylinder engine, a fluid passage extending parallel to the direction is formed so as to protrude from the side wall, and a knock sensor mounting seat is provided near the fluid passage on the side wall substantially at the center of the cylinder bore arrangement direction. Connects the outer walls of the fluid passage and intersects in the longitudinal direction of the fluid passage
The ribs are formed on the side wall so as to extend in the direction in which the ribs extend .
【０００８】[0008]
【作用】側壁には流体通路が突出した状態になっている
が、それぞれの流体通路の外壁を連結し流体通路の長手
方向に交差する方向に延びるリブが設けられているた
め、ノックセンサ取付座に伝わるノッキング振動が流体
通路に影響されることはない。The fluid passages project from the side walls, but the outer walls of the respective fluid passages are connected to each other to extend the length of the fluid passage.
Since the rib extending in the direction intersecting the direction is provided, knocking vibration transmitted to the knock sensor mounting seat is not affected by the fluid passage.
【０００９】[0009]
【実施例】図１には本発明の一実施例に係る直列多気筒
エンジンのシリンダブロックの側面、図２には図１中の
II−II線矢視を示してある。FIG. 1 is a side view of a cylinder block of an in-line multi-cylinder engine according to an embodiment of the present invention, and FIG.
The view along the line II-II is shown.
【００１０】シリンダブロック１１には４個のシリンダ
ボア１２が直列に配列され、シリンダボア１２に近接し
て流体通路としての油落し穴１３が設けられている。シ
リンダブロック１１の側壁１１ａにおける油落し穴１３
は上下方向に延びる突出部１４となっている。即ち、油
落し穴１３はシリンダボア１２の軸方向と平行に延びて
いる。 In the cylinder block 11, four cylinder bores 12 are arranged in series, and an oil drain hole 13 as a fluid passage is provided near the cylinder bore 12. Oil drop hole 13 in side wall 11a of cylinder block 11
Are protrusions 14 extending in the vertical direction. That is, oil
The pit 13 extends parallel to the axial direction of the cylinder bore 12.
I have.
【００１１】シリンダボア１２の配列方向の略中央にお
ける側壁１１ａの突出部１４の近傍にはノックセンサ取
付座１５が設けられ、ノックセンサ取付座１５には図示
しないノックセンサが取付けられるようになっている。
それぞれの突出部１４はリブ２１によって連結され、リ
ブ２１は突出部１４を横切って形成されている。つま
り、リブ２１は、油落し穴１３の外壁を連結し、油落し
穴１３の長手方向に交差する方向に延びて形成されてい
る。 A knock sensor mounting seat 15 is provided near the protrusion 14 of the side wall 11a at substantially the center of the arrangement direction of the cylinder bores 12, and a knock sensor (not shown) is mounted on the knock sensor mounting seat 15. .
Each protrusion 14 is connected by a rib 21, and the rib 21 is formed across the protrusion 14. Toes
The rib 21 connects the outer wall of the oil drain hole 13 and
It is formed to extend in a direction intersecting the longitudinal direction of the hole 13.
You.
【００１２】ノックセンサ取付座１５にノックセンサを
取付け、ノッキングセンサによりシリンダブロック１１
のノッキング振動を検出するようにしている。シリンダ
ブロック１１の側壁１１ａは、油落し穴１３の突出部１
４が形成されて凹凸状態になっているが、突出部１４は
リブ２１によって連結されているので、ノックセンサに
伝わるノッキング振動が突出部１４に影響されることは
ない。A knock sensor is mounted on the knock sensor mounting seat 15 and the knock sensor is used to control the cylinder block 11.
Knocking vibration is detected. The side wall 11a of the cylinder block 11 is
Although the protrusions 4 are formed and are in an uneven state, since the protrusions 14 are connected by the ribs 21, the knocking vibration transmitted to the knock sensor is not affected by the protrusions 14.
【００１３】従って、ノッキングがどの気筒で発生して
もノッキング振動が正確にノックセンサに伝わり、ノッ
キングを確実に検出することができる。Therefore, even if knocking occurs in any cylinder, knocking vibration is accurately transmitted to the knock sensor, and knocking can be reliably detected.
【００１４】[0014]
【発明の効果】本発明の直列多気筒エンジンのシリンダ
ブロックは、シリンダボアの軸方向と平行に延びた流体
通路を側壁から突出した状態で形成し、流体通路の外壁
を連結し流体通路の長手方向に交差する方向に延びるリ
ブを側壁に設けたので、ノックセンサ取付座に伝わるノ
ッキング振動が流体通路の突出部に影響されることはな
い。この結果、ノッキング振動が正確にノックセンサ取
付座に伝わり、ノッキングを確実に検出することがで
き、直列多気筒エンジンのノッキング回避の容易化を図
ることができる。The cylinder block of the in-line multi-cylinder engine of the present invention has a fluid extending parallel to the axial direction of the cylinder bore.
The passage is formed so as to protrude from the side wall, and the outer wall of the fluid passage is formed.
Linked so provided in the side wall re <br/> Bed extending in a direction crossing the longitudinal direction of the fluid passage, there is no possibility that knocking vibrations transmitted to the knock sensor mounting seat is affected by the protruding portion of the fluid passage. As a result, knocking vibration is accurately transmitted to the knock sensor mounting seat, knocking can be reliably detected, and knocking of the in-line multi-cylinder engine can be easily avoided.
【図１】本発明の一実施例に係る直列多気筒エンジンの
シリンダブロックの側面図。FIG. 1 is a side view of a cylinder block of an in-line multi-cylinder engine according to one embodiment of the present invention.
【図２】図１中のII−II線矢視図。FIG. 2 is a view taken along the line II-II in FIG.
【図３】従来の直列多気筒エンジンのシリンダブロック
の斜視図。FIG. 3 is a perspective view of a cylinder block of a conventional in-line multi-cylinder engine.
１１ シリンダブロック １１ａ 側壁 １２ シリンダボア １３ 油落し穴 １４ 突出部 １５ ノックセンサ取付座 ２１ リブ DESCRIPTION OF SYMBOLS 11 Cylinder block 11a Side wall 12 Cylinder bore 13 Oil drain hole 14 Projection 15 Knock sensor mounting seat 21 Rib
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) F02F 1/00 G01H 1/00 G01H 17/00──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) F02F 1/00 G01H 1/00 G01H 17/00
Claims (1)
と共に、シリンダボアに近接してシリンダボアの軸方向
と平行に延びる流体通路が側壁から突出した状態で形成
され、シリンダボアの配列方向の略中央における側壁の
流体通路近傍にノックセンサ取付座が設けられた直列多
気筒エンジンのシリンダブロックにおいて、それぞれの
流体通路の外壁を連結し流体通路の長手方向に交差する
方向に延びるリブを側壁に形成したことを特徴とする直
列多気筒エンジンのシリンダブロック。A plurality of cylinder bores are arranged in series, and a plurality of cylinder bores are arranged close to the cylinder bores in an axial direction of the cylinder bores.
In the cylinder block of the in-line multi-cylinder engine, a fluid passage extending parallel to the cylinder block is formed so as to protrude from the side wall, and a knock sensor mounting seat is provided near the fluid passage on the side wall substantially at the center of the cylinder bore arrangement direction.
Connects the outer walls of the fluid passage and intersects the longitudinal direction of the fluid passage
A cylinder block for an in-line multi-cylinder engine, wherein a rib extending in a direction is formed on a side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34582092A JP2751771B2 (en) | 1992-12-25 | 1992-12-25 | Cylinder block for in-line multi-cylinder engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34582092A JP2751771B2 (en) | 1992-12-25 | 1992-12-25 | Cylinder block for in-line multi-cylinder engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06193502A JPH06193502A (en) | 1994-07-12 |
| JP2751771B2 true JP2751771B2 (en) | 1998-05-18 |
Family
ID=18379202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34582092A Expired - Fee Related JP2751771B2 (en) | 1992-12-25 | 1992-12-25 | Cylinder block for in-line multi-cylinder engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2751771B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4880051A (en) * | 1986-07-14 | 1989-11-14 | Kabushiki Kaisha Patine Shokai | Piping apparatus for melting snow and ice |
| JP4305118B2 (en) | 2003-10-10 | 2009-07-29 | 日産自動車株式会社 | Internal combustion engine cylinder block |
| JP4294453B2 (en) * | 2003-11-26 | 2009-07-15 | 本田技研工業株式会社 | Internal combustion engine head cover |
| KR20060071216A (en) | 2004-12-21 | 2006-06-26 | 현대자동차주식회사 | Oil drain passage structure for a cylinder block and core structure for forming oil drain passage |
-
1992
- 1992-12-25 JP JP34582092A patent/JP2751771B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06193502A (en) | 1994-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3300910B2 (en) | Direct injection diesel engine | |
| JPH04203211A (en) | Ignition plug arrangement structure of engine for vehicle | |
| JP3077477B2 (en) | Head cover structure | |
| JP2751771B2 (en) | Cylinder block for in-line multi-cylinder engine | |
| CA2084748A1 (en) | Low emission cylander cut-out idle sytedm | |
| KR970021697A (en) | Cylinder Head for Spark Ignition Engine | |
| JP4434098B2 (en) | Knock sensor mounting structure for cylinder block of V-type internal combustion engine | |
| US5964196A (en) | Cylinder head for a multi-cylinder internal combustion engine | |
| JP4305118B2 (en) | Internal combustion engine cylinder block | |
| JPS6156919A (en) | Device for transmitting solid vibration of multicylinder type internal combustion engine | |
| KR950029541A (en) | Combustion chamber structure of cylinder head | |
| JP4760479B2 (en) | Engine vibration sensor mounting structure | |
| JP3199901B2 (en) | Engine combustion chamber structure | |
| JPH0582533B2 (en) | ||
| JPS59180067A (en) | Multiple ignition device for two-cycle engine | |
| JPS6224775Y2 (en) | ||
| JPH04287826A (en) | Spark ignition internal combustion engine of auxiliary chamber | |
| KR100230056B1 (en) | Hole position of suction and exhaust valve of engine | |
| JPH0680305B2 (en) | Knotting detection device for internal combustion engine | |
| JPS61228318A (en) | Apparatus for detecting knocking of internal-combustion engine | |
| JPS6242336Y2 (en) | ||
| JPS62101839A (en) | Knocking sensor installation structure for v-type engine | |
| JPS6237962Y2 (en) | ||
| JP5071263B2 (en) | Internal combustion engine knock sensor mounting structure | |
| JPH08326544A (en) | Combustion chamber for muffler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19980127 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080227 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090227 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090227 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100227 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110227 Year of fee payment: 13 |
|
| LAPS | Cancellation because of no payment of annual fees |