JPWO2020178585A5

JPWO2020178585A5 -

Info

Publication number: JPWO2020178585A5
Application number: JP2021552858A
Authority: JP
Publication date: 2023-02-16

Description

本発明は、１つ以上の好ましい実施形態を参照して上述したが、添付の特許請求の範囲に規定されているように、本発明の範囲から逸脱することなく、様々な変更又は修正を行いうることが理解されよう。
また、本開示は以下の発明を含む。
第１の態様は、
船舶用船外機であって、船舶用船外機は、
内燃機関を備えるエンジンアセンブリと、
前記内燃機関から駆動力を伝達するように構成された駆動軸と、
プロペラシャフトと、
前記駆動力を前記駆動軸からプロペラシャフトに伝達するように構成された駆動伝達装置と、
前記駆動伝達装置及び前記駆動軸の一方又は両方を潤滑するために潤滑剤流路に沿って潤滑剤を搬送するように構成された潤滑システムと、
前記潤滑剤流路に沿って設けられた潤滑剤フィルタであって、前記潤滑剤流路に沿って流れるときに前記潤滑剤から固形汚染物質を除去するように構成された潤滑剤フィルタとを備え、
前記潤滑剤フィルタは、前記駆動軸によって駆動されるように構成されている、船舶用船外機である。
第２の態様は、
前記潤滑剤フィルタは、前記駆動軸に連結された駆動機構を介して前記駆動軸によって間接的に駆動されるように構成されている、第１の態様における船舶用船外機である。
第３の態様は、
前記駆動機構は、１：１より大きな歯車比を有する、第２の態様における船舶用船外機である。
第４の態様は、
前記潤滑システムは、前記駆動機構を潤滑するために潤滑剤流路に沿って潤滑剤を搬送するように構成される、第２の態様又は第３の態様における船舶用船外機である。
第５の態様は、
前記船舶用船外機は、前記内燃機関を冷却する冷却システムを備え、
前記冷却システムは、前記内燃機関を冷却するために、冷却材流路に沿って引き込まれた水を推進させるように構成された送水ポンプを備え、
前記送水ポンプは、前記駆動機構を介して前記駆動軸によって駆動されるように構成されており、
前記潤滑剤フィルタは、前記送水ポンプによって駆動されるように構成される、第２の態様～第４の態様のいずれかにおける船舶用船外機である。
第６の態様は、
前記送水ポンプは、遠心式送水ポンプを備える、第５の態様における船舶用船外機である。
第７の態様は、
前記送水ポンプは、送水ポンプ出力軸を備え、
前記潤滑剤フィルタは、前記送水ポンプ出力軸によって駆動されるように構成されたフィルタ駆動軸を備える、第５の態様又は第６の態様における船舶用船外機である。
第８の態様は、
前記フィルタ駆動軸は、前記送水ポンプ出力軸と同軸であり、かつ、前記送水ポンプ出力軸と直接的に接続される、第７の態様における船舶用船外機である。
第９の態様は、
前記駆動機構は、前記送水ポンプ出力軸と同軸であり、かつ、前記送水ポンプ出力軸と直接的に接続される送水ポンプ駆動軸を備える、第８の態様における船舶用船外機である。
第１０の態様は、
前記送水ポンプ駆動軸と前記送水ポンプ出力軸と前記フィルタ駆動軸は、全て、単一の軸によって画定される、第９の態様における船舶用船外機である。
第１１の態様は、
前記潤滑剤フィルタは、機械的ヒューズを介して前記送水ポンプに接続される、第５の態様～第１０の態様のいずれかにおける船舶用船外機である。
第１２の態様は、
前記駆動機構は、前記駆動軸に同心円状に取り付けられた駆動歯車と、前記送水ポンプ駆動軸に同心円状に取り付けられた従動歯車とを備え、前記駆動歯車と従動歯車は噛み合い係合している、第５の態様～第１１の態様のいずれかにおける船舶用船外機である。
第１３の態様は、
前記潤滑剤フィルタは、前記駆動軸によって駆動されるように構成された遠心式潤滑剤フィルタである、第１の態様～第１２の態様のいずれかにおける船舶用船外機である。
第１４の態様は、
前記船舶用船外機は、前記プロペラシャフト及び伝達駆動部が少なくとも部分的に収容される伝達装置ケーシングを更に備え、前記伝達装置ケーシングが前記潤滑システムの潤滑剤リザーバを画定する、第１の態様～第１３の態様のいずれかにおける船舶用船外機である。
第１５の態様は、
前記潤滑システムは、使用中に流体リザーバから潤滑剤を引き込み、引き込まれた前記潤滑剤を前記潤滑剤流路に沿って前記流体リザーバの上方に位置する少なくとも１つの回転部品に圧送するように構成された潤滑ポンプをさらに備える、第１４の態様における船舶用船外機である。
第１６の態様は、
前記船舶用船外機が垂直である場合に前記駆動軸が垂直方向に延びている、第１の態様～第１５の態様のいずれかにおける船舶用船外機である。
第１７の態様は、
前記内燃機関はディーゼルエンジンである、第１の態様～第１６の態様のいずれかにおける船舶用船外機である。
第１８の態様は、
第１の態様～第１７の態様のいずれかにおける船舶用船外機を備える船舶である。 Although the invention has been described above with reference to one or more preferred embodiments, various changes and modifications can be made without departing from the scope of the invention as defined in the appended claims. It can be understood that
In addition, the present disclosure includes the following inventions.
A first aspect is
A marine outboard motor comprising:
an engine assembly comprising an internal combustion engine;
a drive shaft configured to transmit drive power from the internal combustion engine;
propeller shaft and
a drive transmission device configured to transmit the drive force from the drive shaft to a propeller shaft;
a lubrication system configured to convey lubricant along a lubricant flow path to lubricate one or both of the drive transmission and the drive shaft;
a lubricant filter along the lubricant flow path and configured to remove solid contaminants from the lubricant as it flows along the lubricant flow path. ,
The lubricant filter is a marine outboard motor configured to be driven by the drive shaft.
A second aspect is
The marine outboard motor according to the first aspect, wherein the lubricant filter is configured to be indirectly driven by the drive shaft via a drive mechanism coupled to the drive shaft.
A third aspect is
The marine outboard motor according to the second aspect, wherein the drive mechanism has a gear ratio greater than 1:1.
A fourth aspect is
The marine outboard motor of the second aspect or the third aspect, wherein the lubrication system is configured to convey lubricant along a lubricant flow path to lubricate the drive mechanism.
A fifth aspect is
The marine outboard motor includes a cooling system for cooling the internal combustion engine,
the cooling system comprising a water pump configured to propel water drawn along a coolant flow path to cool the internal combustion engine;
The water pump is configured to be driven by the drive shaft via the drive mechanism,
The marine outboard motor according to any one of the second to fourth aspects, wherein the lubricant filter is configured to be driven by the water pump.
A sixth aspect is
The water pump is a marine outboard motor according to the fifth aspect, wherein the water pump is a centrifugal water pump.
A seventh aspect is
The water pump has a water pump output shaft,
The marine outboard motor according to the fifth or sixth aspect, wherein the lubricant filter includes a filter drive shaft configured to be driven by the water pump output shaft.
The eighth aspect is
The marine outboard motor according to the seventh aspect, wherein the filter drive shaft is coaxial with the water pump output shaft and is directly connected to the water pump output shaft.
A ninth aspect is
The marine outboard motor according to the eighth aspect, wherein the drive mechanism includes a water pump drive shaft coaxial with the water pump output shaft and directly connected to the water pump output shaft.
A tenth aspect is
The marine outboard motor according to the ninth aspect, wherein the water pump drive shaft, the water pump output shaft, and the filter drive shaft are all defined by a single shaft.
The eleventh aspect is
The marine outboard motor according to any one of the fifth to tenth aspects, wherein the lubricant filter is connected to the water pump via a mechanical fuse.
A twelfth aspect is
The drive mechanism includes a drive gear concentrically attached to the drive shaft and a driven gear concentrically attached to the water pump drive shaft, and the drive gear and the driven gear are in meshing engagement. , a marine outboard motor according to any one of the fifth to eleventh aspects.
A thirteenth aspect is
The marine outboard motor according to any one of the first to twelfth aspects, wherein the lubricant filter is a centrifugal lubricant filter configured to be driven by the drive shaft.
A fourteenth aspect is
In a first aspect, the marine outboard motor further comprises a transmission casing in which the propeller shaft and transmission drive are at least partially housed, the transmission casing defining a lubricant reservoir for the lubrication system. A marine outboard motor according to any one of the to thirteenth aspects.
A fifteenth aspect is
The lubrication system is configured to draw lubricant from a fluid reservoir during use and to pump the drawn lubricant along the lubricant flow path to at least one rotating component located above the fluid reservoir. The marine outboard motor according to the fourteenth aspect, further comprising a lubricating pump that is mounted on the outboard motor.
A sixteenth aspect is
The marine outboard motor according to any one of the first to fifteenth aspects, wherein the drive shaft extends vertically when the marine outboard motor is vertical.
A seventeenth aspect is
The marine outboard motor according to any one of the first to sixteenth aspects, wherein the internal combustion engine is a diesel engine.
The eighteenth aspect is
A marine vessel equipped with the marine outboard motor according to any one of the first to seventeenth aspects.

Claims

A marine outboard motor comprising:
an engine assembly comprising an internal combustion engine;
a drive shaft configured to transmit drive power from the internal combustion engine;
propeller shaft and
a drive transmission device configured to transmit the drive force from the drive shaft to a propeller shaft;
A cooling system for cooling the internal combustion engine, the cooling system comprising a water pump configured to propel water drawn along a coolant flow path to cool the internal combustion engine. a cooling system;
a lubrication system configured to convey lubricant along a lubricant flow path to lubricate one or both of the drive transmission and the drive shaft;
a lubricant filter along the lubricant flow path and configured to remove solid contaminants from the lubricant as it flows along the lubricant flow path. ,
The water pump is configured to be driven by the drive shaft via a drive mechanism connected to the drive shaft,
The lubricant filter is configured to be driven by the water pump such that the lubricant filter is configured to be indirectly driven by the drive shaft via the drive mechanism. Outboard motor.

2. A marine outboard motor according to claim 1 , wherein said drive mechanism has a gear ratio greater than 1:1.

3. A marine outboard motor according to claim 1 or 2 , wherein the lubrication system is configured to convey lubricant along a lubricant flow path to lubricate the drive mechanism.

The marine outboard motor according to any one of claims 1 to 3 , wherein the water pump comprises a centrifugal water pump.

The water pump has a water pump output shaft,
The marine outboard motor according to any one of claims 1 to 4 , wherein the lubricant filter comprises a filter drive shaft configured to be driven by the water pump output shaft.

6. The marine outboard motor according to claim 5 , wherein the filter drive shaft is coaxial with the water pump output shaft and directly connected to the water pump output shaft.

7. The marine outboard motor according to claim 6 , wherein said drive mechanism includes a water pump drive shaft coaxial with said water pump output shaft and directly connected to said water pump output shaft.

8. The marine outboard motor of claim 7 , wherein said water pump drive shaft, said water pump output shaft and said filter drive shaft are all defined by a single axis.

9. The marine outboard motor according to claim 1 , wherein said lubricant filter is connected to said water pump via a mechanical fuse.

The drive mechanism includes a drive gear concentrically attached to the drive shaft and a driven gear concentrically attached to the water pump drive shaft, and the drive gear and the driven gear are in meshing engagement. The marine outboard motor according to claim 7 or 8 .

The marine outboard motor according to any one of claims 1 to 10 , wherein the lubricant filter is a centrifugal lubricant filter.

The marine outboard motor further comprises a transmission casing in which the propeller shaft and transmission drive are at least partially housed, the transmission casing defining a lubricant reservoir for the lubrication system. 1. The marine outboard motor according to any one of 1.1 .

The lubrication system is configured to draw lubricant from a fluid reservoir during use and to pump the drawn lubricant along the lubricant flow path to at least one rotating component located above the fluid reservoir. 13. The marine outboard motor of claim 12 , further comprising a mounted lubrication pump.

The marine outboard motor according to any one of claims 1 to 13 , wherein the drive shaft extends vertically when the marine outboard motor is vertical.

A marine outboard motor according to any one of claims 1 to 14 , wherein the internal combustion engine is a diesel engine.

A ship equipped with the marine outboard motor according to any one of claims 1 to 15 .