JPS6293426A - Cooling water pump for v-type multicylinder engine - Google Patents
Cooling water pump for v-type multicylinder engineInfo
- Publication number
- JPS6293426A JPS6293426A JP23505285A JP23505285A JPS6293426A JP S6293426 A JPS6293426 A JP S6293426A JP 23505285 A JP23505285 A JP 23505285A JP 23505285 A JP23505285 A JP 23505285A JP S6293426 A JPS6293426 A JP S6293426A
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- water pump
- discharge
- cylinder
- banks
- 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.)
- Pending
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明はV型多気筒エンジン用冷却水ポンプに関し、特
に■型多気筒干ンジンの両シリンダバンクのつA−タジ
ャグッ1へに〒る2′−)の用出路を右する上記形式の
冷却水ポンプに関する3゜〈従来の技術〉
一般に、V型多気筒エンジン(4二於ては、両バンクを
均等に冷却する必要があることから、単一の冷却水ポン
プの吐出路を均等に分岐するようにしている。しかしな
がら、甲−の吐出路を411−る冷却水ポンプを用い、
分岐通路を別途設けることにより両バンクを均等に冷却
しようどする場合には、分岐通路を設けるためにシリン
ダブロックを大型化したり、別途管路を設けるなど、T
ンジンの小形化及び軽量化に対する障害となり得る。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a cooling water pump for a V-type multi-cylinder engine, and particularly to a cooling water pump for use in both cylinder banks of a ■-type multi-cylinder engine. 3゜〈Prior art〉 Generally, in a V-type multi-cylinder engine (42), since it is necessary to cool both banks equally, The discharge passages of a single cooling water pump are made to branch evenly.However, using a cooling water pump with a discharge passage of 411-
If you want to cool both banks equally by providing a separate branch passage, you may need to increase the size of the cylinder block to provide the branch passage, or provide a separate conduit.
This may become an obstacle to reducing the size and weight of the engine.
ぞこ′C″、2つの吐出路を41する冷却水ポンプを用
いて、このような分岐通路を設りる必要を解消リ−るこ
とが考えられるが、一般に冷却水ポンプとして用いられ
るものは遠心式のポンプからなるもので、吐出路がイン
ペラに対(〕で接線方向に延出していることから、V型
]ンジンの略中心位置に冷却水ポンプを設置し、両バン
ク(4二〒る吐出開口をシリンダブロックの両バンクの
対称位置(5:設けようとしI、=場合には、冷却水ボ
ンfの一1F寸法か大きくなりがちとなり、特に冷ム[
[水ポンfのケーシングが一ト下方向に突出し易く、V
型多気筒丁ンジンのレイアラ1〜十の制約となり易い。It is conceivable to use a cooling water pump with two discharge passages to eliminate the need for such a branch passage, but generally the cooling water pump used is It consists of a centrifugal pump, and the discharge passage extends tangentially to the impeller, so the cooling water pump is installed approximately at the center of the V-type engine, and both banks (42 In the case where the discharge openings for the cylinder block are to be installed at symmetrical positions (5: I) on both banks of the cylinder block, the dimension of the cooling water cylinder f tends to be larger than the 1F dimension, especially when the cooling water cylinder [
[The casing of the water pump f tends to protrude downward, and V
This is likely to be a restriction for Layers 1 to 10 of multi-cylinder models.
しかしながら、冷却水ポンプの吐出間]1を両バンクの
非対称位置に設けた場合には、各バンクが均等に冷却さ
れず、エンジンの性能が1(4われる不都合がある。However, if the discharge interval of the cooling water pump is provided at an asymmetrical position between the two banks, each bank will not be cooled equally, resulting in a disadvantage that the performance of the engine will be reduced by 1 (4).
〈発明が解決しようとする問題点〉
このような従来技術の欠点にπ1み、本発明の主な目的
は、V型多気筒エンジンの両バンクを均等に冷却するこ
とができ、しか・b極めて」ンパク]〜な構成を有する
V型子気筒エンジン用冷却水ポンプを提供することにあ
る。<Problems to be Solved by the Invention> In view of the shortcomings of the prior art, the main purpose of the present invention is to be able to cool both banks of a V-type multi-cylinder engine evenly, and to An object of the present invention is to provide a cooling water pump for a V-type child cylinder engine having a compact configuration.
〈問題点を解決するだめの手段〉
このような目的は、本発明)、二よれば、甲−の吸入路
と、インペラと、前記インペラに対して略接線方向に延
在する2つの吐出路とを右するV型子気筒エンジン用冷
却水ポンプで゛あって、V型多気筒エンジンの両シリン
ダバンクのウォータジャケットに至る吐出開口を、略等
面積とすると共に、前記両バンクの略対称位iζ7に設
け、しかし前記両バンクのつ4−タジャケットに供給さ
れる冷却水早を略均等化する’< < fi7+記両吐
出路を非対称形にしてなることを特徴とする冷却水・↓
ζンゾを提供することにより達成される、。<Means to Solve the Problems> According to the present invention), this purpose is to provide a suction passage of A, an impeller, and two discharge passages extending substantially tangentially to the impeller. A cooling water pump for a V-type sub-cylinder engine, which has discharge openings reaching the water jackets of both cylinder banks of the V-type multi-cylinder engine, having approximately equal areas, and having approximately symmetrical positions between the two banks. iζ7, but substantially equalizes the rate of cooling water supplied to the four-way jackets of both banks'<< fi7+ Cooling water characterized by having both discharge passages of an asymmetrical shape ↓
This is achieved by providing ζnzo.
〈作用〉
このように、2つの吐出路をないに非対称に設けること
により、冷ム[1水ポンゾの吐出間[1をエンジンの両
バンクの対称位置に設けた場合でも、冷却水ポンプのケ
ーシングのレイアラ1〜を自由に定めることかでき、エ
ンジンの両バンクを均等に冷却すると同時に、冷却水ポ
ンプの構成を一1ンバク1へにづることがてきる。<Function> In this way, by providing the two discharge passages asymmetrically, even if the cooling water pump [1] is provided at a symmetrical position between the two banks of the engine, the cooling water pump casing It is possible to freely determine the layout of the engine, and at the same time, it is possible to uniformly cool both banks of the engine, and at the same time, the configuration of the cooling water pump can be changed to one bank.
〈実施例〉
以下、本発明の好適実施例を添付の図面に′ついて詳し
く説明する3゜
第′1図及び第2図は本発明に基づく冷却水ボン1を適
用した\/型6気筒Lンジンのシリングツ゛[−1ツク
を示す一31シリンダブ゛[lツク1の両バンクへ、B
に形成されたシリンダ2の周囲には、冷却水が流通する
べきつA−タジャグツ1〜3が形成され−Cd3す、シ
リンダを冷却り、た後の冷却水が、両バンク△、Bの第
1図に於c)る+側のす111線方向l瑞;に接続され
た合流管路4、冷7Jl水出[15及び管路6を経て、
ラジェータ8に向【プで送り出される。ラジェータ8に
より冷7J+された冷却水は、管路7.9を経た後、図
示省略した感熱弁を右する切替弁10及び、エンジンの
両バンク間にで軸線方向に架設された管路11を経て、
シリンダ10ツク1の他方の軸線方向端中央部に一体的
に形成されたケーシング21を有する冷却水ポンプ12
に↑る。<Embodiment> Hereinafter, preferred embodiments of the present invention will be explained in detail with reference to the accompanying drawings. 3. Figures 1 and 2 show a \/type 6-cylinder L to which the cooling water cylinder 1 according to the present invention is applied. To both banks of cylinder cylinder block 1, B
Around the cylinder 2 formed in , there are formed cylinders 1 to 3 through which cooling water flows. In Figure 1, the confluence pipe 4, cold 7Jl water outlet [15 and pipe 6] connected to
It is sent out to the radiator 8 by a pump. The cooling water cooled to 7J+ by the radiator 8 passes through the pipe line 7.9, and then passes through the switching valve 10, which controls the heat-sensitive valve (not shown), and the pipe line 11, which is installed in the axial direction between both banks of the engine. Through,
Cooling water pump 12 having a casing 21 integrally formed at the center of the other axial end of the cylinder 10
Go to ↑.
暖機後のエンジンにあっては、切替弁10は、管路9と
管路11とを連通するか、エンジンの冷機時にあっては
、管路9と管路11との間の連通が遮断され、分岐管路
4からの冷却水かラジ11−タ8を経ることなく、冷却
水出1」15及び管路16を経て、車室内を暖ηう寸−
るためのヒータ1j′18(、:供給される。L−−−
クニf’>’18からの扉1−2・管路17は、冷ム1
1水入[丁19及び切8弁10を介り、で、エンジンの
両バンク間(こ延在する管路i ′+ 4.::送られ
、冷却水ポンプ′12により1i−送され−C再びつA
−タジ(・ケラト3に送り込まれる。二ととなる33冷
却水ポンプ12のインペニン22は、例えば−エンジン
のカム軸を駆動するためのタイミングベル]〜により駆
動される1−リ(図示せず)により、駆動軸1/1を介
して回転駆動される3、冷却水ポンプ12のり一−−−
シング21には、2つの吐出路23.24が形成され、
それぞれインペラ22の略接線方向に延イ14ると共に
、それぞれ][ンジンの化バンクのシリンダj目ツタの
つJ’−タジ〜7ケツ1〜3内に〒る吐出開口25.2
6に連通しでいる3゜本実施例の場合、吐出開口25)
、26[,1−;7いにw形C゛はdりるか、実質的1
6二回−の聞]1面積を右し、しかも)両バンクの略対
称位置(こ設(〕られ−′Cいる。When the engine is warmed up, the switching valve 10 connects the pipe line 9 and the pipe line 11, or when the engine is cold, the communication between the pipe line 9 and the pipe line 11 is cut off. The cooling water from the branch pipe 4 passes through the cooling water outlet 15 and the pipe 16, without passing through the radiator 11, and heats the interior of the vehicle.
Heater 1j'18 (,: supplied.L---
The door 1-2 and pipe 17 from Kuni f'>'18 are connected to the cold room 1
1 water is sent between the two banks of the engine (through the pipe 19 and 8 valve 10, which extends through the conduit i'+ 4.::, and the water is sent 1i- by the cooling water pump '12). C again A
The second 33 cooling water pump 12's inpenin 22 is driven by, for example, a timing bell for driving the engine's camshaft]. ), the cooling water pump 12 is rotated by the drive shaft 1/1.
Two discharge passages 23 and 24 are formed in the thing 21,
The discharge openings 25.2 extend substantially tangentially to the impeller 22, respectively, and are located in the J'-th cylinder 1-3 of the engine bank.
In this embodiment, the discharge opening 25)
, 26 [, 1-; 7 Is the w-form C' d? Substantially 1
6 times - 1 area to the right, and) both banks are placed in approximately symmetrical positions.
この、1、うな場合、両吐出間「125.2(5からつ
A−タジト!ノット・3内に向(、プて供給さ4′[、
るぺさ;θ川水の流#ii ’G−均等化するため(:
X(よ、ンεI、[1水ボン/゛12)・6両1!1出
開11.12 !v、2(′)間を紀12.S−線十の
中間位INに設置dることか考えられるか、での場合、
冷ム[J水ボンゾ12とクランクケース27どが41い
に干渉gすることどなり、1ニンジンのiノイ−))つ
]・−トの= 6−
制約となり得る。In this case, the gap between both discharges is 125.2 (from 5 to A-tajito! Knot 3), and the supply is 4' [,
Rupes; θ River water flow #ii 'G-To equalize (:
X (yo, nεI, [1 water bottle / ゛12)・6 cars 1!1 appearance 11.12! v, 2(') between E12. Is it possible to install it at the middle IN of the S-line?
If the cold engine 12 and the crankcase 27 interfere with each other, it can become a constraint.
そこで、本発明によれば、冷却水ポンプ゛12は両吐出
間口25.26の略中心位置てあって、しかも両吐出開
[12b、26J:りもヤ)ヤ)、11jの位置に設C
ノられている。従って、本発明cJよれば、両吐出聞口
25.26に供給される冷却水流早を均等化づ−るべく
、両吐出路23.2/1の形状を等しい流路抵抗を7M
るよう%異なる形状(J定めである。Therefore, according to the present invention, the cooling water pump 12 is located approximately at the center of both discharge openings 25 and 26, and is installed at the position of both discharge openings [12b, 26J: rear openings] and 11j.
Being beaten. Therefore, according to the cJ of the present invention, in order to equalize the flow velocity of the cooling water supplied to both discharge ports 25.26, the shapes of both discharge passages 23.2/1 are designed so that the flow resistance is equal to 7M.
% different shapes (as specified by J).
〈発明の効果〉
このように、本発明によれば、V型多気筒1ニンジンに
於Gブる両バンクを拘着に冷7.(Iりるど同時(u
。<Effects of the Invention> As described above, according to the present invention, both banks of G in a V-type multi-cylinder engine are fixed and the cold 7. (I rurudo simultaneous (u
.
極めて」ンパクトな構成を取りIHjる好適な冷却水ポ
ンプが提供され、その効果は極めて人である。A suitable IHJ cooling water pump is provided which has an extremely compact configuration and its effectiveness is extremely human-friendly.
第1図は、本発明に基づく冷ム[1水ポンプか適用され
たV型6気筒エンジンの東部を示η平面図である。
第2図は、第1図のII−II線(Jつい(児IJ断面
図C゛ある3゜FIG. 1 is a plan view showing the eastern part of a V-type six-cylinder engine to which a cold water pump according to the present invention is applied. Figure 2 is a 3°
Claims (1)
して略接線方向に延在する2つの吐出路とを有するV型
多気筒エンジン用冷却水ポンプであって、 V型多気筒エンジンの両シリンダバンクのウォータジャ
ケットに至る吐出開口を、略等面積とすると共に、前記
両バンクの略対称位置に設け、しかも前記両バンクのウ
ォータジャケットに供給される冷却水量を略均等化する
べく前記両吐出路を非対称形にしてなることを特徴とす
る冷却水ポンプ。(1) A cooling water pump for a V-type multi-cylinder engine having a single suction passage, an impeller, and two discharge passages extending substantially tangentially with respect to the impeller, the cooling water pump comprising: The discharge openings leading to the water jackets of both cylinder banks are made to have approximately the same area and are provided at approximately symmetrical positions of both banks, and in order to approximately equalize the amount of cooling water supplied to the water jackets of both banks. A cooling water pump characterized by having both discharge passages asymmetrically shaped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23505285A JPS6293426A (en) | 1985-10-21 | 1985-10-21 | Cooling water pump for v-type multicylinder engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23505285A JPS6293426A (en) | 1985-10-21 | 1985-10-21 | Cooling water pump for v-type multicylinder engine |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6293426A true JPS6293426A (en) | 1987-04-28 |
Family
ID=16980373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23505285A Pending JPS6293426A (en) | 1985-10-21 | 1985-10-21 | Cooling water pump for v-type multicylinder engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6293426A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01170710A (en) * | 1987-12-26 | 1989-07-05 | Mazda Motor Corp | Cooler of v-engine |
JPH02264112A (en) * | 1989-04-03 | 1990-10-26 | Nissan Motor Co Ltd | Cooling device for internal combustion engine |
JPH02305310A (en) * | 1989-05-19 | 1990-12-18 | Nissan Motor Co Ltd | Water cooled cooling device for internal combustion engine |
JPH0351135U (en) * | 1989-09-25 | 1991-05-17 | ||
US5279265A (en) * | 1991-07-26 | 1994-01-18 | Nissan Motor Co., Ltd. | V-type internal combustion engine with improved water pump arrangement |
US20090107663A1 (en) * | 2007-10-25 | 2009-04-30 | Raytheon Company | System and Method for Cooling Structures Having Both an Active State and an Inactive State |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5359144A (en) * | 1976-11-09 | 1978-05-27 | Kubota Ltd | Forced-air cooling device for v-shaped engine |
JPS6067716A (en) * | 1983-09-21 | 1985-04-18 | Mazda Motor Corp | Device for cooling v-engine |
-
1985
- 1985-10-21 JP JP23505285A patent/JPS6293426A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5359144A (en) * | 1976-11-09 | 1978-05-27 | Kubota Ltd | Forced-air cooling device for v-shaped engine |
JPS6067716A (en) * | 1983-09-21 | 1985-04-18 | Mazda Motor Corp | Device for cooling v-engine |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01170710A (en) * | 1987-12-26 | 1989-07-05 | Mazda Motor Corp | Cooler of v-engine |
JPH02264112A (en) * | 1989-04-03 | 1990-10-26 | Nissan Motor Co Ltd | Cooling device for internal combustion engine |
JPH02305310A (en) * | 1989-05-19 | 1990-12-18 | Nissan Motor Co Ltd | Water cooled cooling device for internal combustion engine |
JP2513841B2 (en) * | 1989-05-19 | 1996-07-03 | 日産自動車株式会社 | Water-cooled cooling device for V-type internal combustion engine |
JPH0351135U (en) * | 1989-09-25 | 1991-05-17 | ||
US5279265A (en) * | 1991-07-26 | 1994-01-18 | Nissan Motor Co., Ltd. | V-type internal combustion engine with improved water pump arrangement |
US20090107663A1 (en) * | 2007-10-25 | 2009-04-30 | Raytheon Company | System and Method for Cooling Structures Having Both an Active State and an Inactive State |
US9644869B2 (en) * | 2007-10-25 | 2017-05-09 | Raytheon Company | System and method for cooling structures having both an active state and an inactive state |
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