JP6878339B2 - エンジン - Google Patents
エンジン Download PDFInfo
- Publication number
- JP6878339B2 JP6878339B2 JP2018050007A JP2018050007A JP6878339B2 JP 6878339 B2 JP6878339 B2 JP 6878339B2 JP 2018050007 A JP2018050007 A JP 2018050007A JP 2018050007 A JP2018050007 A JP 2018050007A JP 6878339 B2 JP6878339 B2 JP 6878339B2
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- hydraulic chamber
- chamber
- piston
- pressure
- 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
Links
- 238000002485 combustion reaction Methods 0.000 claims description 96
- 230000007246 mechanism Effects 0.000 claims description 46
- 230000006835 compression Effects 0.000 claims description 38
- 238000007906 compression Methods 0.000 claims description 38
- 238000005192 partition Methods 0.000 claims description 27
- 230000004308 accommodation Effects 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 38
- 238000004891 communication Methods 0.000 description 31
- 230000004048 modification Effects 0.000 description 24
- 238000012986 modification Methods 0.000 description 24
- 239000010720 hydraulic oil Substances 0.000 description 18
- 239000000446 fuel Substances 0.000 description 16
- 239000007789 gas Substances 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 230000002000 scavenging effect Effects 0.000 description 13
- 230000007423 decrease Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000003915 liquefied petroleum gas Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Description
110 シリンダ
112 ピストン
114a 大径部(摺動部)
114a1 油圧面
128 燃焼室
154 ピン穴(大径穴)
154a 油圧室
154b 底面
158 小径穴
158b 副油圧室
158c 収容室
164 仕切ピストン
166 弾性部材
172 油圧ポンプ
200 エンジン
300 エンジン
400 エンジン
Claims (1)
- シリンダと、
前記シリンダに収容されたピストンと、
前記ピストンに面する燃焼室と、
前記ピストンと一体にストロークする摺動部と、
前記摺動部のうち、前記燃焼室と反対側に臨む油圧面と、
前記油圧面が面する油圧室と、
前記油圧室に接続された油圧ポンプと、
前記油圧ポンプを用いて、前記ピストンの上死点位置を変更させる圧縮比可変機構と、
前記油圧室と連通し、前記油圧室内の油圧に応じて容積が変化する副油圧室と、
仕切ピストンが摺動自在に設けられ、前記仕切ピストンによって内部が前記副油圧室と収容室とに仕切られる小径穴と、
前記収容室側から前記副油圧室側に前記仕切ピストンを押圧する弾性部材と、
前記摺動部が収容され、前記油圧面に対向する底面を有し、前記油圧面と前記底面との間に前記油圧室が形成される大径穴と、を備え、
前記大径穴の前記底面に前記小径穴が開口し、
前記油圧ポンプは、前記大径穴の前記底面に開口する油路を介して、前記油圧室に接続される、エンジン。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018050007A JP6878339B2 (ja) | 2018-03-16 | 2018-03-16 | エンジン |
PCT/JP2019/010589 WO2019177109A1 (ja) | 2018-03-16 | 2019-03-14 | エンジン |
DK19768663.7T DK3767089T3 (da) | 2018-03-16 | 2019-03-14 | Motor |
KR1020207026642A KR102384827B1 (ko) | 2018-03-16 | 2019-03-14 | 엔진 |
EP19768663.7A EP3767089B1 (en) | 2018-03-16 | 2019-03-14 | Engine |
CN201980019715.2A CN111886404B (zh) | 2018-03-16 | 2019-03-14 | 发动机 |
US17/008,860 US11174826B2 (en) | 2018-03-16 | 2020-09-01 | Engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018050007A JP6878339B2 (ja) | 2018-03-16 | 2018-03-16 | エンジン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019157846A JP2019157846A (ja) | 2019-09-19 |
JP6878339B2 true JP6878339B2 (ja) | 2021-05-26 |
Family
ID=67995920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018050007A Active JP6878339B2 (ja) | 2018-03-16 | 2018-03-16 | エンジン |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6878339B2 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2167523B1 (ja) * | 1972-01-12 | 1974-02-22 | Mahle Gmbh | |
JPH0444450U (ja) * | 1990-08-22 | 1992-04-15 | ||
JP2008038753A (ja) * | 2006-08-07 | 2008-02-21 | Honda Motor Co Ltd | 内燃機関の圧縮比可変装置 |
DE102007026312A1 (de) * | 2007-06-06 | 2008-12-11 | Karl Richter | Pleuelstange für Hubkolbenmotore |
KR101500392B1 (ko) * | 2013-12-13 | 2015-03-09 | 현대자동차 주식회사 | 가변 압축비 장치 |
JP6137342B2 (ja) * | 2014-01-20 | 2017-05-31 | 株式会社Ihi | エンジン |
KR101683515B1 (ko) * | 2015-05-06 | 2016-12-07 | 현대자동차 주식회사 | 가변 압축비 엔진 |
-
2018
- 2018-03-16 JP JP2018050007A patent/JP6878339B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2019157846A (ja) | 2019-09-19 |
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