KR20200044958A - 가변 압축 장치 및 엔진 시스템 - Google Patents
가변 압축 장치 및 엔진 시스템 Download PDFInfo
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- KR20200044958A KR20200044958A KR1020207009799A KR20207009799A KR20200044958A KR 20200044958 A KR20200044958 A KR 20200044958A KR 1020207009799 A KR1020207009799 A KR 1020207009799A KR 20207009799 A KR20207009799 A KR 20207009799A KR 20200044958 A KR20200044958 A KR 20200044958A
- Authority
- KR
- South Korea
- Prior art keywords
- piston rod
- flow path
- hydraulic
- cylinder
- chamber
- 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
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- 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
- F02B75/00—Other engines
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B9/00—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00
- F01B9/02—Reciprocating-piston machines or engines characterised by connections between pistons and main shafts, not specific to groups F01B1/00 - F01B7/00 with crankshaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B31/00—Component parts, details or accessories not provided for in, or of interest apart from, other groups
- F01B31/14—Changing of compression ratio
-
- 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
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/02—Engines characterised by using fresh charge for scavenging cylinders using unidirectional scavenging
- F02B25/04—Engines having ports both in cylinder head and in cylinder wall near bottom of piston stroke
-
- 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
- F02B75/00—Other engines
- F02B75/04—Engines with variable distances between pistons at top dead-centre positions and cylinder heads
- F02B75/045—Engines with variable distances between pistons at top dead-centre positions and cylinder heads by means of a variable connecting rod length
-
- 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
- F02B75/00—Other engines
- F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D15/00—Varying compression ratio
- F02D15/02—Varying compression ratio by alteration or displacement of piston stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/02—Constructions of connecting-rods with constant length
- F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/04—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads with elastic intermediate part of fluid cushion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/06—Adjustable connecting-rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J7/00—Piston-rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/30—Ships, e.g. propelling shafts and bearings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/22—Internal combustion engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
도 2는, 본 개시의 일 실시형태에서의 엔진의 일부를 나타내는 모식 단면도이다.
도 3은, 도 2의 A-A 단면도이다.
2 가구
3 실린더부
3a 실린더 라이너
3b 실린더 헤드
3c 실린더 자켓
4 피스톤
5 배기 밸브 유닛
5a 배기 밸브
5b 배기 밸브 케이싱
5c 배기 밸브 구동부
6 피스톤 로드
7 크로스 헤드
7a 크로스 헤드 핀
7b 가이드 슈
7c 덮개 부재
8 유압부
8a 공급 펌프
8b 요동관
8c 플런저 펌프
8c1 플런저
8c2 실린더
8c3 플런저 구동부
8d 제1 체크 밸브
8e 제2 체크 밸브
8f 릴리프 밸브
8f1 본체부
8f2 릴리프 밸브 구동부
9 연접봉
10 크랭크각 센서
11 크랭크축
12 소기 탱크부
13 배기 탱크부
14 공기 냉각기
100 엔진 시스템
200 과급기
300 제어부
H 배기 포트
O 배출구
R1 연소실
R2 소기실
R3 유압실
R4 공급 유로
R5 릴리프 유로
R6 홈 유로
R7 오목부
S 소기 포트
Claims (6)
- 피스톤 로드와, 승압된 작동 유체가 공급됨으로써 압축비를 높이는 방향으로 상기 피스톤 로드를 이동시키는 유체실을 갖는 가변 압축 장치로서,
상기 유체실의 바닥면, 또는 상기 유체실의 바닥면에 접촉하는 상기 피스톤 로드의 접촉면에, 홈 유로가 형성되어 있는, 가변 압축 장치. - 청구항 1에 있어서,
상기 바닥면에는, 상기 작동 유체의 공급 개구가 형성되고,
상기 홈 유로는, 상기 공급 개구와 겹치도록 형성되어 있는, 가변 압축 장치. - 청구항 2에 있어서,
상기 바닥면, 또는 상기 접촉면에는, 상기 홈 유로보다 상기 피스톤 로드의 지름 방향 외측에, 오목부가 형성되어 있는, 가변 압축 장치. - 청구항 2에 있어서,
상기 바닥면, 또는 상기 접촉면에는, 상기 홈 유로보다 상기 피스톤 로드의 지름 방향 내측에, 오목부가 형성되어 있는, 가변 압축 장치. - 청구항 1 내지 청구항 4 중 어느 한 항에 있어서,
상기 홈 유로는, 환상인 가변 압축 장치. - 청구항 1 내지 청구항 5 중 어느 한 항에 기재된 가변 압축 장치를 갖는 엔진 시스템.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017225617 | 2017-11-24 | ||
| JPJP-P-2017-225617 | 2017-11-24 | ||
| PCT/JP2018/043126 WO2019103085A1 (ja) | 2017-11-24 | 2018-11-22 | 可変圧縮装置及びエンジンシステム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20200044958A true KR20200044958A (ko) | 2020-04-29 |
| KR102274364B1 KR102274364B1 (ko) | 2021-07-07 |
Family
ID=66632064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020207009799A Active KR102274364B1 (ko) | 2017-11-24 | 2018-11-22 | 가변 압축 장치 및 엔진 시스템 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3715600B1 (ko) |
| JP (1) | JPWO2019103085A1 (ko) |
| KR (1) | KR102274364B1 (ko) |
| CN (1) | CN111356827A (ko) |
| DK (1) | DK3715600T3 (ko) |
| WO (1) | WO2019103085A1 (ko) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07197910A (ja) * | 1993-12-29 | 1995-08-01 | Nabco Ltd | 油圧シリンダ |
| JP2014020375A (ja) | 2012-07-17 | 2014-02-03 | Waertsilae Schweiz Ag | 大型往復ピストン燃焼エンジン、ならびにそのようなエンジンを制御する制御機器および方法 |
| KR20160090394A (ko) * | 2014-01-20 | 2016-07-29 | 가부시키가이샤 아이에이치아이 | 크로스 헤드형 엔진 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2554669Y (zh) * | 2002-05-24 | 2003-06-04 | 上海柴油机股份有限公司 | 机械套缸式行程控制装置 |
| JP4104388B2 (ja) * | 2002-07-12 | 2008-06-18 | 本田技研工業株式会社 | 内燃機関の圧縮比可変装置 |
| CN106414951B (zh) * | 2014-01-20 | 2018-12-14 | 株式会社 Ihi | 发动机 |
| CN204436933U (zh) * | 2014-12-30 | 2015-07-01 | 朱桂林 | 一种内导向抗扭液压缸 |
| DE102015203387A1 (de) * | 2015-02-25 | 2016-08-25 | Fev Gmbh | Doppelt wirkender Kolben eines VCR-Motors |
| JP6365570B2 (ja) * | 2016-02-29 | 2018-08-01 | トヨタ自動車株式会社 | 可変長コンロッド及び可変圧縮比内燃機関 |
| JP6517752B2 (ja) | 2016-06-22 | 2019-05-22 | 真彦 宮永 | リユース可能な弁当箱 |
-
2018
- 2018-11-22 JP JP2019555357A patent/JPWO2019103085A1/ja active Pending
- 2018-11-22 WO PCT/JP2018/043126 patent/WO2019103085A1/ja not_active Ceased
- 2018-11-22 KR KR1020207009799A patent/KR102274364B1/ko active Active
- 2018-11-22 EP EP18882173.0A patent/EP3715600B1/en active Active
- 2018-11-22 DK DK18882173.0T patent/DK3715600T3/da active
- 2018-11-22 CN CN201880075161.3A patent/CN111356827A/zh active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07197910A (ja) * | 1993-12-29 | 1995-08-01 | Nabco Ltd | 油圧シリンダ |
| JP2014020375A (ja) | 2012-07-17 | 2014-02-03 | Waertsilae Schweiz Ag | 大型往復ピストン燃焼エンジン、ならびにそのようなエンジンを制御する制御機器および方法 |
| KR20160090394A (ko) * | 2014-01-20 | 2016-07-29 | 가부시키가이샤 아이에이치아이 | 크로스 헤드형 엔진 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3715600B1 (en) | 2023-03-29 |
| DK3715600T3 (da) | 2023-04-24 |
| KR102274364B1 (ko) | 2021-07-07 |
| JPWO2019103085A1 (ja) | 2020-07-30 |
| EP3715600A1 (en) | 2020-09-30 |
| EP3715600A4 (en) | 2021-08-11 |
| CN111356827A (zh) | 2020-06-30 |
| WO2019103085A1 (ja) | 2019-05-31 |
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