JPS61184198A - Cooling water suction passage for ship's propelling machinery - Google Patents
Cooling water suction passage for ship's propelling machineryInfo
- Publication number
- JPS61184198A JPS61184198A JP60027290A JP2729085A JPS61184198A JP S61184198 A JPS61184198 A JP S61184198A JP 60027290 A JP60027290 A JP 60027290A JP 2729085 A JP2729085 A JP 2729085A JP S61184198 A JPS61184198 A JP S61184198A
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- cooling
- water inlet
- pump
- ship
- 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
- 239000000498 cooling water Substances 0.000 title claims abstract description 90
- 239000013505 freshwater Substances 0.000 claims abstract description 34
- 239000013535 sea water Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000011010 flushing procedure Methods 0.000 abstract 3
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 239000008399 tap water Substances 0.000 description 7
- 235000020679 tap water Nutrition 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
- F01P3/202—Cooling circuits not specific to a single part of engine or machine for outboard marine engines
Landscapes
- Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
船舶推進機を構成する機器を冷却するため、船外より海
水をポンプにて吸引する船舶推進機の冷却水吸引路に関
する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a cooling water suction path for a marine propulsion device that sucks seawater from outside the ship using a pump in order to cool equipment that constitutes the marine propulsion device.
（従 来 技 術）
船を推進駆動する船舶推進機を構成する機器を冷却する
ため、船外より海水をポンプにて吸引し前記機器の冷却
水路に冷却水を吐出し、前記機器を冷却後は船外に廃棄
するようにした船舶推進機の冷却装置がある。(Prior technology) In order to cool the equipment that makes up the marine propulsion system that propels the ship, seawater is sucked in from outside the ship using a pump, and cooling water is discharged into the cooling channels of the equipment, and after cooling the equipment. There is a cooling system for the ship's propulsion engine that is disposed of overboard.
この冷却装置は、冷却水取り入れ口と、ポンプを構成し
冷却水を吐出駆動するポンプ室と、ポンプ室の吸い込み
口と、冷却水取り入れ口と吸い込み口とを結ぶ冷却水吸
引路とを有していた。This cooling device has a cooling water intake, a pump chamber that constitutes a pump and drives the discharge of cooling water, a suction port of the pump chamber, and a cooling water suction path that connects the cooling water intake and the suction port. was.
そして 船が海等の塩水上で使用される場合、機器の冷
却水路は冷却水が塩水であるがため腐食し易く、このた
め冷却水路を清水で洗浄することが可能なように前記冷
却水吸引路に清水注入口が開閉自在に設けられていた。When a ship is used on salt water such as the sea, cooling water channels for equipment are easily corroded because the cooling water is salt water. A fresh water inlet was installed in the road that could be opened and closed.
（発明が解決しようとする問題点）
ポンプを作動あるいは停止して洗浄する時、清水注入口
より注入された清水は、一部はポンプへ向かうが、残部
は冷却水取り入れ口より無駄に廃棄され、効率よく洗浄
することができず時間が掛かったり、清水の消費量が多
くなるという問題があった。(Problem to be solved by the invention) When the pump is activated or stopped for cleaning, part of the fresh water injected from the fresh water inlet goes to the pump, but the rest is wasted from the cooling water intake. However, there have been problems in that cleaning cannot be done efficiently, takes time, and consumes a large amount of clean water.
（問題点を解決するための手段）
上記問題を解決するため、船を推進駆動する船舶推進機
を構成する機器を冷却するため、船外より海水を吸引し
、且つ前記機器の冷却水路に冷却水を吐出するポンプを
有し、前記機器を冷却後は船外に廃棄するようにした船
舶推進機の冷却装置を構成し、冷却水取り入れ口と、前
記ポンプを構成し冷却水を吐出駆動するポンプ室の吸い
込み口とを結ぶ冷却水吸引路であって、前記冷却水路を
清水で洗浄することが可能なように清水注入口が開閉自
在に設けられてなる船舶推進機の冷却水吸引路において
、冷却水取り入れ口と清水注入口とポンプ室の吸い込み
口との間に、清水注入口より冷却水取り入れ口への方向
の冷却水の通過を阻害する抵抗素子を形成可能としたこ
とを特徴とする船舶推進機の冷却水吸引路、とした。(Means for solving the problem) In order to solve the above problem, in order to cool the equipment that makes up the ship propulsion machine that propels the ship, seawater is sucked in from outside the ship and cooled in the cooling channel of the equipment. A cooling device for a marine propulsion device includes a pump that discharges water, and the equipment is disposed of overboard after being cooled, and comprises a cooling water intake and the pump to drive the cooling water to be discharged. In a cooling water suction path for a marine propulsion device, which is a cooling water suction path that connects to a suction port of a pump room, and is provided with a fresh water inlet that can be freely opened and closed so that the cooling waterway can be washed with fresh water. , a resistance element can be formed between the cooling water inlet, the fresh water inlet, and the suction port of the pump chamber to prevent the cooling water from passing in the direction from the fresh water inlet to the cooling water intake. This is used as a cooling water suction path for marine propulsion equipment.
（作 用）
船を推進駆動する船舶推進機を構成する機器を冷却する
ため、船外より海水を吸引し、且つ前記機器の冷却水路
に冷却水を吐出するポンプを有し、前記機器を冷却後は
船外に廃棄するようにした船舶推進機の冷却装置を構成
し、冷却水取り入れ口と、前記ポンプを構成し冷却水を
吐出駆動するポンプ室の吸い込み口とを結ぶ冷却水吸引
路であって、前記冷却水路を清水で洗浄することが可能
なように清水注入口が開閉自在に設けられてなる船舶推
進機の冷却水吸引路において、冷却水取り入れ口と清水
注入口とポンプ室の吸い込み口との間に、清水注入口よ
り冷却水取り入れ口への方向の冷却水の通過を阻害する
抵抗素子を形成可能としたことを特徴とする船舶推進機
の冷却水吸引路としたので、冷却水吸引路の清水注入口
より注入された清水は、冷却水取り入れ口方向よりポン
プ室の吸い込み口の方向により多くが流れる。(Function) In order to cool the equipment that makes up the ship propulsion system that propels the ship, it has a pump that sucks seawater from outside the ship and discharges cooling water into the cooling channel of the equipment, and cools the equipment. The rest constitutes a cooling system for the marine propulsion engine which is to be disposed of overboard, and is a cooling water suction path that connects the cooling water intake and the suction port of the pump chamber that constitutes the pump and drives the discharge of cooling water. In a cooling water suction path of a marine propulsion device, in which a fresh water inlet is provided so as to be openable and closable so that the cooling water channel can be washed with fresh water, the cooling water intake, the fresh water inlet, and the pump room are connected to each other. The cooling water suction path for a marine propulsion device is characterized in that it is possible to form a resistance element between the cooling water suction port and the cooling water intake port to prevent the cooling water from passing in the direction from the fresh water inlet to the cooling water intake. More of the fresh water injected from the fresh water inlet of the cooling water suction path flows in the direction of the suction port of the pump chamber than in the direction of the cooling water intake.
（実 施 例） 以下、実施例を図面を参照して説明する。(Example) Examples will be described below with reference to the drawings.
第１図は本発明の一実施例が適用されてなる船外機を示
す側面図、第２図は同実施例の要部を破断して示す側面
図、第３図は第２図の■−■線に沿う部分断面図、第４
図は本発明の一実施例の実施状態を示す部分断面図であ
る。Fig. 1 is a side view showing an outboard motor to which an embodiment of the present invention is applied, Fig. 2 is a side view showing a main part of the embodiment cut away, and Fig. 3 is a - Partial sectional view along line ■, No. 4
The figure is a partial sectional view showing an implementation state of an embodiment of the present invention.
船体の船尾板１１には、船舶推進機としての船外機１２
が取付けられる。船外機１２はクランクフ゛ラケット１
３、ヒンジピン１４、スイベルフ゛ラケッ）１５、操舵
ユニット１６、船舶推進機において動力を発生する機器
であるエンジンユニット１７、及びケーシングユニット
１８より成る。An outboard motor 12 as a marine propulsion device is mounted on the stern plate 11 of the hull.
is installed. The outboard motor 12 has a crank racket 1
3, a hinge pin 14, a swivel bracket 15, a steering unit 16, an engine unit 17, which is a device that generates power in a marine propulsion device, and a casing unit 18.
ケーシングユニット１８は航行時主に水面下に位置する
ロワーユニット１９と、その上部となるアッパーユニッ
ト２０より成る。The casing unit 18 consists of a lower unit 19 that is mainly located below the water surface during navigation, and an upper unit 20 that is above the lower unit 19.
ロワーユニット１９には二個所の冷却水取り入れ口２１
．２２が配設されている。そして冷却水取り入れ口２１
には多孔板等の濾過部材２３を備えている。There are two cooling water intakes 21 in the lower unit 19.
．． 22 are arranged. And cooling water intake 21
is equipped with a filter member 23 such as a perforated plate.
アッパーユニット２０の下部にはポンプ２４が内臓配設
され、クランク軸２５よりプロペラ２６への動力伝達路
であるドライブ軸２７がポンプ２４を駆動する。ポンプ
２４はポンプ室２８とその吸い込み口２９、吐出口３０
を有する。A pump 24 is installed in the lower part of the upper unit 20, and a drive shaft 27, which is a power transmission path from a crankshaft 25 to a propeller 26, drives the pump 24. The pump 24 has a pump chamber 28, its suction port 29, and its discharge port 30.
has.
前記吸い込み口２９と冷却水取り入れ口２１．２２の間
には冷却水吸引路３１．３２が形成される。冷却水吸引
路３１の壁には二個所に盲栓３３．３４がネジ込まれて
いる。A cooling water suction path 31.32 is formed between the suction port 29 and the cooling water intake port 21.22. Blind plugs 33 and 34 are screwed into the wall of the cooling water suction path 31 at two locations.
海上で船外機１２を運転すると、ポンプ２４により発生
する負圧で、冷却水取り入れ口２１．２２より海水が吸
われる。海水は冷却水吸引路３１．３２さらには吸い込
み口２９を通ってポンプ室２８に達し、正圧となって吐
出口３０より、エンジンユニット１７のシリンタフロッ
ク３５に形成される冷却水路３６を通って、排出口３７
より船外へ排出される。When the outboard motor 12 is operated at sea, the negative pressure generated by the pump 24 sucks seawater through the cooling water intake ports 21 and 22. The seawater passes through the cooling water suction passages 31, 32 and the suction port 29, reaches the pump chamber 28, becomes a positive pressure, and flows from the discharge port 30 through the cooling water channel 36 formed in the cylinder block 35 of the engine unit 17. , outlet 37
is ejected overboard.
さて、船外機１２を使用しない時においても、冷却水路
３６は、海水成分の塩分が付着したままであると僅かづ
つではあるが腐食が進行してしまう。このため毎日の使
用後あるいは長期保管前に船体を陸に上げ、あるいは船
外機１２単独を陸上で、清水で洗浄することが行われる
。Even when the outboard motor 12 is not in use, if the cooling water channel 36 remains covered with salt from seawater, corrosion will progress, albeit slightly. For this reason, after daily use or before long-term storage, the hull is brought to shore, or the outboard motor 12 alone is washed with fresh water on land.
この洗浄は船外機１２を運転あるいは静止にて行われる
。This cleaning is performed with the outboard motor 12 running or stationary.
この時盲栓３３．３４の内吸い込み口２９に近い盲栓３
３の取付穴は、水道水−ス３８の先端に配設されたアダ
プター３９が取付可能であり、開閉自在な清水注入口４
０を成す。At this time, the blind plug 3 near the suction port 29 inside the blind plug 33.34
An adapter 39 provided at the tip of a tap water source 38 can be attached to the mounting hole 3, and a fresh water inlet 4 can be opened and closed.
Achieve 0.
水道栓４１から供給される正圧の水道水は冷却水吸引路
３１を、一部はポンプ室の吸い込み口２９に向かうとと
もに、一部は冷却水取り入れ口２１に向かってしまう。The positive-pressure tap water supplied from the water faucet 41 flows through the cooling water suction path 31 , with some of it heading towards the suction port 29 of the pump room and some of it heading towards the cooling water intake 21 .
他方盲栓３４の取付穴には冷却水吸引路３１に突出する
ボルト４２が配設可能である。上述の水道水の内冷却水
取り入れ口２１に向かう分は、ボルト４２によって通過
が阻害される。つまりボルト４２は抵抗素子４３を形成
する。On the other hand, a bolt 42 that projects into the cooling water suction path 31 can be installed in the mounting hole of the blind plug 34 . The passage of the above-mentioned tap water directed toward the cooling water intake 21 is blocked by the bolt 42 . In other words, the bolt 42 forms a resistance element 43.
なお船外機１２を陸上で運転して洗浄する場合には、抵
抗素子４３があるため冷却水取り入れ口２１に向かう水
道水量が減った分だけ、冷却水取り入れ口２２に向かわ
せしめることが可能であり、冷却水取り入れ口２２がら
空気を吸うことも無くなる。When the outboard motor 12 is operated and washed on land, the presence of the resistance element 43 allows the amount of tap water directed to the cooling water intake 21 to be directed to the cooling water intake 22 by the amount reduced. There is no need to suck air through the cooling water intake port 22.
第５図は第１実施例の変形例を示す冷却水吸引路の要部
断面図である。FIG. 5 is a sectional view of a main part of a cooling water suction path showing a modification of the first embodiment.
これは第２図のボルト４２をポールチェック弁４４に置
き換え、抵抗素子４３としたものである。In this case, the bolt 42 in FIG. 2 is replaced with a pole check valve 44, and a resistance element 43 is used.
船外機運転時の海水の矢印入方向の流れを許容し、洗浄
時清水注入口４０より供給される正圧の水道水の破線矢
印Ｂ方向の流れは阻害する。During operation of the outboard motor, seawater is allowed to flow in the direction indicated by the arrow, and during cleaning, the flow of positive pressure tap water supplied from the fresh water inlet 40 in the direction indicated by the broken line arrow B is inhibited.
ポールチェック弁４４の本体は樹脂製でありアルミ製の
ロワーユニット１９の腐食は起きにくく交換はサークリ
ップ４５を外せば容易に実施可能である。The main body of the pole check valve 44 is made of resin, and the lower unit 19 made of aluminum is less susceptible to corrosion and can be easily replaced by removing the circlip 45.
第６図は第１実施例の第２の変形例を示す冷却水吸引路
の要部断面図である。FIG. 6 is a sectional view of a main part of a cooling water suction path showing a second modification of the first embodiment.
これは第５図のポールチェック弁４４の代わりにスプリ
ング４６を有する逆止弁４７を配設したものである。In this embodiment, a check valve 47 having a spring 46 is provided in place of the pole check valve 44 shown in FIG.
第７図は第１実施例の第３の変形例を示す冷却水吸引路
の要部断面図である。FIG. 7 is a sectional view of a main part of a cooling water suction path showing a third modification of the first embodiment.
これは第５図、第６図の逆止弁でなく、通路抵抗に方向
性をもつ抵抗素子４８をロワーユニット・１９に圧入し
たものである。This is not the check valve shown in FIGS. 5 and 6, but a resistance element 48 having directionality in passage resistance is press-fitted into the lower unit 19.
第８図は第１実施例の第４の変形例を示す冷却水吸引路
の要部断面図である。FIG. 8 is a sectional view of a main part of a cooling water suction path showing a fourth modification of the first embodiment.
これは第７図と違って通路抵抗に方向性をもつ抵抗素子
４９をロワーユニット１９と一体に形成したものである
。This is different from FIG. 7 in that a resistance element 49 having directionality in path resistance is formed integrally with the lower unit 19.
第９図は第２実施例を示す冷却水吸引路の概念図である
。FIG. 9 is a conceptual diagram of a cooling water suction path showing a second embodiment.
本発明は本実施例のように、冷却水吸引路が３１一本だ
けのものに、清水注入口４０、抵抗素子４３を配設可能
としたものも包括する。The present invention also encompasses a system in which a fresh water inlet 40 and a resistance element 43 can be provided in addition to a system having only one cooling water suction path 31, as in this embodiment.
第１０図は本発明の第３の実施例が適用されてなる船内
機を積載した船体を示す側面図、第１１図は第１０図の
Ｘ Ｉ −Ｘ Ｉ線に沿う部分断面図、第１２図は本実
施例船内機の冷却水路を示す系統図である。FIG. 10 is a side view showing a hull loaded with an inboard engine to which the third embodiment of the present invention is applied, FIG. 11 is a partial sectional view taken along line XI-XI in FIG. 10, and FIG. The figure is a system diagram showing the cooling channel of the inboard motor of this embodiment.
船体７１の内部に配置されたエンジン本体７２は前後中
立変速可能な減速機７３を経て外部のプロペラ７４を駆
動するとともに、船体７１の進行方向前部においてエン
ジン本体７２に配設される海水ポンプ７５をベルト７６
により駆動する。An engine main body 72 disposed inside the hull 71 drives an external propeller 74 via a speed reducer 73 capable of front and rear neutral transmission. the belt 76
Driven by
海水ポンプ７５の作用により発生する負圧によって冷却
水取り入れロアロから海水が吸われる。Negative pressure generated by the action of the seawater pump 75 causes seawater to be sucked from the lower cooling water intake.
海水はキングストン弁７７、冷却水吸引路７８を構成す
るホース７９、フィルター取付台８０、フィルリ−８１
、ホース８２を経て、海水ポンプ７５に達し、正圧とな
り、ホース８３、熱交換器８４、ホース８５、減速機７
３の冷却水路８６、そして排出口８７を経て海面に捨て
られる。つまり冷却水取り入れロアロから排出口８７ま
での間は海水直接冷却水路を形成する。Seawater is supplied through a Kingston valve 77, a hose 79 forming a cooling water suction path 78, a filter mounting base 80, and a filly 81.
, the seawater reaches the seawater pump 75 via the hose 82, becomes positive pressure, and the hose 83, heat exchanger 84, hose 85, reducer 7
3, and then through a discharge port 87 and are discarded to the sea surface. In other words, a seawater direct cooling channel is formed between the cooling water intake lower part and the discharge port 87.
エンジン本体７２の冷却は、清水がシリンダブロック８
８、シリンダヘッド８９、排気マニホールド９０、サー
モスタット９１、熱交換器８４、清水ポンプ９２から、
再びたびシリンダブロック８８というように循環させら
れることにより達せられる。なおサーモスタット９１が
閉じた時の通路としてバイパス通路９３も有する。The engine body 72 is cooled by fresh water from the cylinder block 8.
8, cylinder head 89, exhaust manifold 90, thermostat 91, heat exchanger 84, fresh water pump 92,
This is achieved by circulating the cylinder block 88 again and again. Note that a bypass passage 93 is also provided as a passage when the thermostat 91 is closed.
一方フイルター取付台８０には、開閉バルブ９４と水道
ホースに接続可能な継手９５が清水注入口として配設さ
れている。On the other hand, the filter mounting base 80 is provided with an on-off valve 94 and a joint 95 connectable to a water hose as a fresh water inlet.
陸上あるいは海上において海水直接冷却水路を清水で洗
浄するには、エンジン本体７２が停止状態あるいは運転
するもプロペラの回転しない中立状態にて、継手９５に
水道ホースを接続し、水道水を正圧として送り込む。To clean the seawater direct cooling channel with fresh water on land or at sea, connect the water hose to the joint 95 with the engine body 72 stopped or running but in a neutral state where the propeller does not rotate, and use tap water with positive pressure. Send it in.
一方キングストン弁７７を閉栓することにより継手９５
より注入された水道水は冷却水取り入れロアロの方向に
は流れず、全てを海水ポンプ７５からプ排出口８７まで
の海水直接冷却水路に供給することができる。On the other hand, by closing the Kingston valve 77, the joint 95
The injected tap water does not flow in the direction of the cooling water intake lo-aro, but can all be supplied directly to the seawater cooling channel from the seawater pump 75 to the outlet 87.
第１３図は本発明の第４の実施例を示す概念図である。FIG. 13 is a conceptual diagram showing a fourth embodiment of the present invention.
複数の冷却水取り入れ口１０１ （図中においては３ケ
）と、所望の敗（図中においては１ケ）の清水注入口１
０２を有し、清水注入口１０２とポンプ室１０３の吸い
込み口１０４との間に形成される冷却水吸引路Ａ、１０
５（斜線にて図示した部分）と、冷却水取り入れ口１０
１と冷却水吸引路Ａ、１０５との間に形成される冷却水
吸引路Ｂ、１０６（￥１４線にて図示した部分）とより
なる船舶推進機の冷却水吸引路において、所望の冷却水
吸引路Ｂ、 １０６ ａ、 １０６ ｂ、 １０６
ｃの所望の位置に一つ以上の抵抗素子１０７を形成可
能としたものである。A plurality of cooling water intakes 101 (three in the figure) and a desired outlet (one in the figure) fresh water inlet 1
02 and is formed between the fresh water inlet 102 and the suction port 104 of the pump chamber 103.
5 (shaded area) and cooling water intake 10
In the cooling water suction path of the marine propulsion device, which is formed between the cooling water suction path B and 106 (portion shown by the ¥14 line) formed between the cooling water suction path A and 105, the desired cooling water is Suction path B, 106 a, 106 b, 106
One or more resistive elements 107 can be formed at desired positions of c.
（発明の効果）
冷却水取り入れ口方向に流れる水量が減り、清水注入口
より注入された清水のより多くが有効に洗浄に供するこ
とができるので、洗浄が短期間に実施することができる
。(Effects of the Invention) The amount of water flowing in the direction of the cooling water intake is reduced, and more of the fresh water injected from the fresh water inlet can be effectively used for cleaning, so cleaning can be carried out in a short period of time.
第１図は本発明の一実施例が適用されてなる船外機を示
す側面図、第２図は同実施例の要部を破断して示す側面
図、第３図は第２図のｍ−ｍ線に沿う部分断面図、第４
図は本発明の一実施例の実施状態を示す部分断面図であ
る。
第５図は第１実施例の変形例を示す冷却水吸引路の要部
断面図である。
第６図は第１実施例の第２の変形例を示す冷却水吸引路
の要部断面図である。
第７図は第１実施例の第３の変形例を示す冷却水吸引路
の要部断面図である。
第８図は第１実施例の第４の変形例を示す冷却水吸引路
の要部断面図である。
第９図は第２実施例を示す冷却水吸引路の要部断面図で
ある。
第１θ図は本発明の第３の実施例が適用されてなる船内
機を積載した船体を示す側面図、第１１図は第１０図の
ＸＩ−ＸＩ線に沿う部分断面図、第１２図は本実施例船
内機の冷却水路を示す系統図である。
第１３図は本発明の第４の実施例を示す概念図である。
船外機・・・・・・・・・・・・・１２エンジンユニツ
ト・・・・・・・・１７０ワーユニツト・・・・・・・
・・１９冷却水取り入れ口・・・・・２１．２２ポンプ
・・・・・・・・・・・・ ２４吸い込み口・・・・・
・・・・・・２９冷却水吸引路・・・・・・・３１．３
２盲栓・・・・・・・・・・・３３．３４冷却水路・・
・・・・・・・・・・３６水道ホース・・・・・・・・
・・・３８清水注入口・・・・・・・・・・・４０抵抗
素子・・・・・・・・・・・・４３特許出願人
三信工業株式会社
第【図
第２図
會Fig. 1 is a side view showing an outboard motor to which an embodiment of the present invention is applied, Fig. 2 is a side view showing a main part of the embodiment cut away, and Fig. 3 is a - Partial sectional view along line m, 4th
The figure is a partial sectional view showing an implementation state of an embodiment of the present invention. FIG. 5 is a sectional view of a main part of a cooling water suction path showing a modification of the first embodiment. FIG. 6 is a sectional view of a main part of a cooling water suction path showing a second modification of the first embodiment. FIG. 7 is a sectional view of a main part of a cooling water suction path showing a third modification of the first embodiment. FIG. 8 is a sectional view of a main part of a cooling water suction path showing a fourth modification of the first embodiment. FIG. 9 is a sectional view of a main part of a cooling water suction path showing a second embodiment. Figure 1θ is a side view showing a hull loaded with an inboard engine to which the third embodiment of the present invention is applied, Figure 11 is a partial sectional view taken along the line XI-XI in Figure 10, and Figure 12 is FIG. 3 is a system diagram showing cooling channels of the inboard motor of this embodiment. FIG. 13 is a conceptual diagram showing a fourth embodiment of the present invention. Outboard motor......12 engine unit...170 power unit...
...19 Cooling water intake...21.22 Pump...24 Suction port...
...29 Cooling water suction path ...31.3
2 Blind plug・・・・・・・・・・・・33.34 Cooling water channel・・
・・・・・・・・・36 Water hose・・・・・・・・・
...38 Fresh water inlet...40 Resistance element...43 Patent applicant
Sanshin Kogyo Co., Ltd.
Claims (1)
ため、船外より海水を吸引し、且つ前記機器の冷却水路
に冷却水を吐出するポンプを有し、前記機器を冷却後は
船外に廃棄するようにした船舶推進機の冷却装置を構成
し、冷却水取り入れ口と、前記ポンプを構成し冷却水を
吐出駆動するポンプ室の吸い込み口とを結ぶ冷却水吸引
路であって、前記冷却水路を清水で洗浄することが可能
なように清水注入口が開閉自在に設けられてなる船舶推
進機の冷却水吸引路において、冷却水取り入れ口と清水
注入口とポンプ室の吸い込み口との間に、清水注入口よ
り冷却水取り入れ口への方向の冷却水の通過を阻害する
抵抗素子を形成可能としたことを特徴とする船舶推進機
の冷却水吸引路。In order to cool the equipment that makes up the ship's propulsion system that propels the ship, it has a pump that sucks seawater from outside the ship and discharges cooling water into the cooling channel of the equipment. A cooling water suction path constituting a cooling device for a marine propulsion device that is disposed of in a vessel, and connecting a cooling water intake and a suction port of a pump chamber constituting the pump and driving the discharge of cooling water, In the cooling water suction path of a marine propulsion device, which has a fresh water inlet that can be opened and closed so that the cooling waterway can be washed with fresh water, the connection between the cooling water intake, the fresh water inlet, and the suction port of the pump room is A cooling water suction path for a marine propulsion device, characterized in that a resistance element can be formed between the fresh water inlet and the cooling water inlet to prevent the cooling water from passing in the direction from the fresh water inlet to the cooling water intake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60027290A JPS61184198A (en) | 1985-02-13 | 1985-02-13 | Cooling water suction passage for ship's propelling machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60027290A JPS61184198A (en) | 1985-02-13 | 1985-02-13 | Cooling water suction passage for ship's propelling machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61184198A true JPS61184198A (en) | 1986-08-16 |
Family
ID=12216945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60027290A Pending JPS61184198A (en) | 1985-02-13 | 1985-02-13 | Cooling water suction passage for ship's propelling machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61184198A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020163872A (en) * | 2019-03-28 | 2020-10-08 | スズキ株式会社 | Cooling device of power source for ship propulsion apparatus |
| US11167830B2 (en) | 2019-07-01 | 2021-11-09 | Suzuki Motor Corporation | Outboard motor |
| US11383810B2 (en) | 2020-05-29 | 2022-07-12 | Suzuki Motor Corporation | Cooling device for power source for ship propulsion device |
| US11591058B2 (en) | 2020-04-14 | 2023-02-28 | Suzuki Motor Corporation | Ship propulsion machine |
| US11634202B2 (en) | 2020-06-05 | 2023-04-25 | Suzuki Motor Corporation | Cooling device for power source for ship propulsion device |
-
1985
- 1985-02-13 JP JP60027290A patent/JPS61184198A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020163872A (en) * | 2019-03-28 | 2020-10-08 | スズキ株式会社 | Cooling device of power source for ship propulsion apparatus |
| US11377997B2 (en) | 2019-03-28 | 2022-07-05 | Suzuki Motor Corporation | Cooling device for power source for boat propulsion apparatus |
| US11167830B2 (en) | 2019-07-01 | 2021-11-09 | Suzuki Motor Corporation | Outboard motor |
| US11591058B2 (en) | 2020-04-14 | 2023-02-28 | Suzuki Motor Corporation | Ship propulsion machine |
| US11383810B2 (en) | 2020-05-29 | 2022-07-12 | Suzuki Motor Corporation | Cooling device for power source for ship propulsion device |
| US11634202B2 (en) | 2020-06-05 | 2023-04-25 | Suzuki Motor Corporation | Cooling device for power source for ship propulsion device |
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