JP6494486B2 - ディーゼルエンジン - Google Patents
ディーゼルエンジン Download PDFInfo
- Publication number
- JP6494486B2 JP6494486B2 JP2015195400A JP2015195400A JP6494486B2 JP 6494486 B2 JP6494486 B2 JP 6494486B2 JP 2015195400 A JP2015195400 A JP 2015195400A JP 2015195400 A JP2015195400 A JP 2015195400A JP 6494486 B2 JP6494486 B2 JP 6494486B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection pump
- fuel
- cam
- pump drive
- 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.)
- Active
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Classifications
-
- 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
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
- F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
- F02M39/02—Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
-
- 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
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Description
5 クランク軸
12 燃料噴射ポンプ
13 カム軸
14 燃料噴射ポンプ駆動用カム
51 最小径部
52 傾斜部
53 最大径部
54 傾斜部
55 中段部
56 傾斜部
Claims (1)
- クランク軸によって駆動されるカム軸と、前記カム軸上に設けられる燃料噴射ポンプ駆動用カムと、前記カム軸上に設けられて吸気弁を駆動する吸気カムとを具備するディーゼルエンジンであって、
前記燃料噴射ポンプ駆動用カムには、正回転方向に沿って、順に、径の異なる部分として、最小径部、第1傾斜部、最大径部、第2傾斜部、中段部、第3傾斜部、上段部、第4傾斜部が形成され、
前記最小径部は、前記燃料噴射ポンプ駆動用カムにて最小径となる部分であり、
前記最大径部は、前記燃料噴射ポンプ駆動用カムにて最大径となる部分であり、
前記中段部は、前記最大径部よりも小径かつ前記最小径部よりも大径となる部分であり、
前記第1傾斜部は、前記最小径部から前記最大径部に変化する部分であり、
前記第2傾斜部は、前記最大径部から前記中段部に変化する部分であり、
前記第3傾斜部は、前記中段部から前記上段部に変化する部分であり、
前記第4傾斜部は、前記上段部から前記最小径部に変化する部分であり、
前記上段部は、前記最大径部よりも小径かつ前記中段部よりも大径となる部分であり、
前記上段部に燃料噴射ポンプのローラが当接している段階では、前記吸気弁が全開状態となるように構成されており、
前記燃料噴射ポンプ駆動用カムの逆転時には、前記上段部に連続する前記第4傾斜部に前記燃料噴射ポンプのローラが当接している段階の、前記吸気弁が開いている状況で、燃料の噴射がなされるように構成されている
ことを特徴とするディーゼルエンジン。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015195400A JP6494486B2 (ja) | 2015-09-30 | 2015-09-30 | ディーゼルエンジン |
US15/764,081 US10451015B2 (en) | 2015-09-30 | 2016-09-26 | Diesel engine |
EP16851423.0A EP3358176B1 (en) | 2015-09-30 | 2016-09-26 | Diesel engine |
PCT/JP2016/078229 WO2017057252A1 (ja) | 2015-09-30 | 2016-09-26 | ディーゼルエンジン |
CN201680034700.XA CN108138724B (zh) | 2015-09-30 | 2016-09-26 | 柴油发动机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015195400A JP6494486B2 (ja) | 2015-09-30 | 2015-09-30 | ディーゼルエンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017067028A JP2017067028A (ja) | 2017-04-06 |
JP6494486B2 true JP6494486B2 (ja) | 2019-04-03 |
Family
ID=58423459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015195400A Active JP6494486B2 (ja) | 2015-09-30 | 2015-09-30 | ディーゼルエンジン |
Country Status (5)
Country | Link |
---|---|
US (1) | US10451015B2 (ja) |
EP (1) | EP3358176B1 (ja) |
JP (1) | JP6494486B2 (ja) |
CN (1) | CN108138724B (ja) |
WO (1) | WO2017057252A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7153208B2 (ja) * | 2018-01-31 | 2022-10-14 | いすゞ自動車株式会社 | 燃料ポンプ駆動構造 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE637034C (de) * | 1934-11-23 | 1936-10-20 | Carl Alfred Naesholm | Brennstoffeinspritzvorrichtung fuer Verbrennungskraftmaschinen |
JPS5261627A (en) * | 1975-11-17 | 1977-05-21 | Komatsu Ltd | Fuel injection pump for preventing reversed rotation of diesel engine |
JPS5284317A (en) * | 1975-12-30 | 1977-07-13 | Takatomo Matsumoto | Fuel injection pump for diesel engine |
JPS5838611B2 (ja) * | 1978-10-06 | 1983-08-24 | トヨタ自動車株式会社 | 二サイクルデイ−ゼルエンジン |
US4471909A (en) * | 1981-12-18 | 1984-09-18 | Cummins Engine Company, Inc. | Miniaturized unit fuel injector |
GB2112871B (en) * | 1981-12-18 | 1986-05-21 | Cummins Engine Co Inc | Miniaturized unit fuel injector |
JPH0327876U (ja) * | 1989-07-27 | 1991-03-20 | ||
JPH0828399A (ja) * | 1994-07-22 | 1996-01-30 | Yanmar Diesel Engine Co Ltd | ディーゼル機関の逆回転防止機構 |
SE518040C2 (sv) * | 1997-03-17 | 2002-08-20 | Volvo Lastvagnar Ab | Fyrtakts dieselmotor med katalysator |
JP4124717B2 (ja) * | 2003-10-28 | 2008-07-23 | ヤンマー株式会社 | ディーゼルエンジンの逆回転防止機構 |
EP2703636B1 (en) * | 2012-09-04 | 2017-11-15 | Delphi International Operations Luxembourg S.à r.l. | Fuel Pump Arrangements |
-
2015
- 2015-09-30 JP JP2015195400A patent/JP6494486B2/ja active Active
-
2016
- 2016-09-26 EP EP16851423.0A patent/EP3358176B1/en active Active
- 2016-09-26 WO PCT/JP2016/078229 patent/WO2017057252A1/ja active Application Filing
- 2016-09-26 US US15/764,081 patent/US10451015B2/en active Active
- 2016-09-26 CN CN201680034700.XA patent/CN108138724B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2017057252A1 (ja) | 2017-04-06 |
US10451015B2 (en) | 2019-10-22 |
EP3358176A1 (en) | 2018-08-08 |
EP3358176B1 (en) | 2019-12-04 |
EP3358176A4 (en) | 2018-08-22 |
CN108138724A (zh) | 2018-06-08 |
CN108138724B (zh) | 2021-12-03 |
US20180283335A1 (en) | 2018-10-04 |
JP2017067028A (ja) | 2017-04-06 |
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