JP7049596B2 - 潤滑油供給構造 - Google Patents
潤滑油供給構造 Download PDFInfo
- Publication number
- JP7049596B2 JP7049596B2 JP2018015891A JP2018015891A JP7049596B2 JP 7049596 B2 JP7049596 B2 JP 7049596B2 JP 2018015891 A JP2018015891 A JP 2018015891A JP 2018015891 A JP2018015891 A JP 2018015891A JP 7049596 B2 JP7049596 B2 JP 7049596B2
- Authority
- JP
- Japan
- Prior art keywords
- pump
- oil supply
- peripheral surface
- inner peripheral
- opening
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/10—Lubrication of valve gear or auxiliaries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
- F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Description
1a:シリンダブロック(ポンプハウジング)
13:カムシャフト
14:サプライポンプ駆動カム(ポンプ駆動カム)
20:カムシャフトハウジング(ポンプハウジング)
30:アダプタ(ポンプハウジング)
31:シリンダ部
31b:シリンダ部の内周面(ポンプ内周面)
35:ポンプ挿入孔(ポンプ内空間)
40:一側のハウジング壁部
41:他側のハウジング壁部
42:カムシャフトの一端部
43:カムシャフトの他端部
50:サプライポンプ(高圧燃料ポンプ)
52:タペット(摺動部材)
52c:タペットの外周面
62:摺動範囲
63:重複領域
70:オイル流路(オイル供給路)
71:オイル供給穴(オイル供給開口)
100:ポンプ軸
101:鉛直方向
102:上半分の領域
103:下半分の領域
104:鉛直面
105:分割面
Claims (3)
- 鉛直方向に対して傾斜するポンプ軸に沿って延びるポンプ内空間と、前記ポンプ内空間に向かって開口するオイル供給開口と、前記オイル供給開口と連通して前記オイル供給開口から前記ポンプ内空間へ供給されるオイルが流通するオイル供給路とを有するポンプハ
ウジングと、
前記ポンプ内空間に収容され、前記ポンプ内空間の外周を区画するポンプ内周面のうち所定の摺動範囲を摺動して前記ポンプ軸に沿って往復する摺動部材と、を備え、
前記ポンプ内周面は、前記ポンプ軸を含む鉛直面に対して直交し且つ前記ポンプ軸を含む仮想の平面を境界として上下に分かれる上半分の領域と下半分の領域とを有し、
前記オイル供給開口の開口出口は、前記ポンプ内周面のうち前記所定の摺動範囲に、前記ポンプ内周面の前記上半分の領域と前記下半分の領域との前記境界に跨って、又は前記境界の近傍の前記上半分の領域内に形成され、
前記オイル供給開口は、前記ポンプ内周面の前記下半分の領域から離れる方向へ向かって前記開口出口からオイルが流出するように、前記開口出口を通って前記ポンプ軸と直交する方向に対して傾斜する
ことを特徴とする潤滑油供給構造。 - 請求項1に記載の潤滑油供給構造であって、
前記ポンプ内周面の前記所定の摺動範囲は、前記ポンプ軸に沿って往復する前記摺動部
材の外周面と常に対向する重複領域を有し、
前記オイル供給開口は、前記重複領域に形成される
ことを特徴とする潤滑油供給構造。 - 請求項1又は請求項2に記載の潤滑油供給構造であって、
エンジンのカムシャフトは、燃焼室への吸気用の吸気弁及び前記燃焼室からの排気用の
排気弁の少なくとも一方を駆動するための弁駆動カムと、ポンプ駆動カムとを有し、
前記ポンプ駆動カムは、前記カムシャフトの一端側に偏って配置され、
前記オイル供給開口は、前記ポンプ内周面の前記一端側で前記ポンプ内空間へ開口する
ことを特徴とする潤滑油供給構造。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018015891A JP7049596B2 (ja) | 2018-01-31 | 2018-01-31 | 潤滑油供給構造 |
PCT/JP2019/001808 WO2019151038A1 (ja) | 2018-01-31 | 2019-01-22 | 潤滑油供給構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018015891A JP7049596B2 (ja) | 2018-01-31 | 2018-01-31 | 潤滑油供給構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019132210A JP2019132210A (ja) | 2019-08-08 |
JP7049596B2 true JP7049596B2 (ja) | 2022-04-07 |
Family
ID=67478250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018015891A Active JP7049596B2 (ja) | 2018-01-31 | 2018-01-31 | 潤滑油供給構造 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7049596B2 (ja) |
WO (1) | WO2019151038A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11698050B2 (en) | 2020-07-13 | 2023-07-11 | Powerhouse Engine Solutions Switzerland IP Holding GmbH | System and method for oil supply to pump |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003269296A (ja) | 2002-03-11 | 2003-09-25 | Nissan Motor Co Ltd | 高圧燃料ポンプの給油装置 |
JP2014137058A (ja) | 2013-01-18 | 2014-07-28 | Honda Motor Co Ltd | 内燃機関 |
JP2017115825A (ja) | 2015-12-25 | 2017-06-29 | 三菱自動車工業株式会社 | シリンダブロックのサプライポンプ取付構造 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2732337B2 (ja) * | 1992-07-24 | 1998-03-30 | 株式会社クボタ | 燃料噴射ポンプの入力部潤滑装置 |
-
2018
- 2018-01-31 JP JP2018015891A patent/JP7049596B2/ja active Active
-
2019
- 2019-01-22 WO PCT/JP2019/001808 patent/WO2019151038A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003269296A (ja) | 2002-03-11 | 2003-09-25 | Nissan Motor Co Ltd | 高圧燃料ポンプの給油装置 |
JP2014137058A (ja) | 2013-01-18 | 2014-07-28 | Honda Motor Co Ltd | 内燃機関 |
JP2017115825A (ja) | 2015-12-25 | 2017-06-29 | 三菱自動車工業株式会社 | シリンダブロックのサプライポンプ取付構造 |
Also Published As
Publication number | Publication date |
---|---|
JP2019132210A (ja) | 2019-08-08 |
WO2019151038A1 (ja) | 2019-08-08 |
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