KR102639899B1 - 극저온 피스톤링 - Google Patents
극저온 피스톤링 Download PDFInfo
- Publication number
- KR102639899B1 KR102639899B1 KR1020227022638A KR20227022638A KR102639899B1 KR 102639899 B1 KR102639899 B1 KR 102639899B1 KR 1020227022638 A KR1020227022638 A KR 1020227022638A KR 20227022638 A KR20227022638 A KR 20227022638A KR 102639899 B1 KR102639899 B1 KR 102639899B1
- Authority
- KR
- South Korea
- Prior art keywords
- piston ring
- piston
- outer diameter
- ring
- diameter surface
- 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
Classifications
-
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
- F16J9/14—Joint-closures
- F16J9/145—Joint-closures of spring expanders
-
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
- F16J9/061—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging using metallic coiled or blade springs
- F16J9/063—Strip or wire along the entire circumference
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/06—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means
- F04B37/08—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for evacuating by thermal means by condensing or freezing, e.g. cryogenic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/143—Sealing provided on the piston
-
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
-
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
- F16J9/14—Joint-closures
- F16J9/16—Joint-closures obtained by stacking of rings
-
- 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
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/12—Details
- F16J9/14—Joint-closures
- F16J9/18—Joint-closures with separate bridge-elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Compressor (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201962949409P | 2019-12-17 | 2019-12-17 | |
| US62/949,409 | 2019-12-17 | ||
| US17/247,542 | 2020-12-15 | ||
| US17/247,542 US11326694B2 (en) | 2019-12-17 | 2020-12-15 | Cryogenic piston ring improvement |
| PCT/US2020/070914 WO2021127695A1 (en) | 2019-12-17 | 2020-12-16 | Cryogenic piston ring improvement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20220110262A KR20220110262A (ko) | 2022-08-05 |
| KR102639899B1 true KR102639899B1 (ko) | 2024-02-22 |
Family
ID=76317756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020227022638A Active KR102639899B1 (ko) | 2019-12-17 | 2020-12-16 | 극저온 피스톤링 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11326694B2 (https=) |
| EP (1) | EP4077983A4 (https=) |
| JP (1) | JP2023507320A (https=) |
| KR (1) | KR102639899B1 (https=) |
| CN (1) | CN114761712B (https=) |
| WO (1) | WO2021127695A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10436322B2 (en) * | 2017-08-09 | 2019-10-08 | Etagen, Inc. | Piston sealing ring assemblies |
| EP4008933A1 (de) * | 2020-12-04 | 2022-06-08 | Burckhardt Compression AG | Kolbenring für einen kolbenverdichter |
| JP7230153B1 (ja) * | 2021-11-08 | 2023-02-28 | 三菱重工業株式会社 | ピストンリングおよび昇圧ポンプ |
| JP7717039B2 (ja) * | 2022-09-09 | 2025-08-01 | 三菱重工業株式会社 | 昇圧ポンプおよび水素供給システム |
| GB2643717A (en) * | 2024-08-28 | 2026-03-04 | Edwards Vacuum Llc | Seal assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030080512A1 (en) | 2000-02-11 | 2003-05-01 | Alain Colson | Very high-pressure cryogenic pump |
| US20090179386A1 (en) | 2008-01-14 | 2009-07-16 | Hoerbiger Kompresortechnik Holding Gmbh | Gastight piston ring arrangement |
| US20150252900A1 (en) | 2012-10-26 | 2015-09-10 | Burckhardt Compression Ag | Piston ring |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1646978A (en) * | 1925-10-19 | 1927-10-25 | John F Panyard | Piston packing |
| JP2553203B2 (ja) | 1988-10-31 | 1996-11-13 | 株式会社東芝 | 極低温冷凍機 |
| US5253877A (en) | 1990-08-06 | 1993-10-19 | Richard DeBiasse | Piston ring having tapered outwardly extending wiper |
| JPH0558879U (ja) * | 1992-01-20 | 1993-08-03 | トキコ株式会社 | 往復動圧縮機 |
| DK173116B1 (da) * | 1996-05-07 | 2000-01-31 | Man B & W Diesel As | Cylinderforing til en forbrændingsmotor |
| GB9805124D0 (en) * | 1998-03-10 | 1998-05-06 | Compair Reavell Ltd | Piston sealing ring assembly |
| JP2001032935A (ja) * | 1999-05-14 | 2001-02-06 | Ntn Corp | ピストンリング |
| WO2003001044A1 (en) | 2001-06-20 | 2003-01-03 | New Power Concepts Llc | Piston ring improvements for a stirling engine |
| JP2004125159A (ja) * | 2002-08-05 | 2004-04-22 | Sakushiyon Gas Kikan Seisakusho:Kk | ピストンリング |
| CN101042191A (zh) * | 2005-12-25 | 2007-09-26 | 宇秀明 | 密封油环 |
| US7762227B2 (en) * | 2008-02-19 | 2010-07-27 | Federal Mogul Corporation | Coolable piston for internal combustion engine |
| US8640314B2 (en) * | 2010-08-03 | 2014-02-04 | Federal-Mogul Corporation | Piston assembly transportation and installation apparatus and methods of transporting and installing a piston assembly therewith |
| JP2012117393A (ja) * | 2010-11-29 | 2012-06-21 | Mitsubishi Heavy Ind Ltd | ピストンリング及び昇圧ポンプ |
| JP5658585B2 (ja) | 2011-02-03 | 2015-01-28 | 株式会社リケン | 組合せピストンリング |
| US10359112B2 (en) * | 2016-03-28 | 2019-07-23 | Progress Rail Locomotive Inc. | Piston ring set for internal combustion engine and system and method thereof |
| US10041593B2 (en) * | 2016-06-13 | 2018-08-07 | Hamilton Sundstrand Corporation | Piston ring assembly |
| JP6424369B1 (ja) * | 2018-06-20 | 2018-11-21 | 株式会社三井E&Sマシナリー | ピストンリング及び液化ガス用昇圧ポンプ |
| CN109458323A (zh) | 2018-12-19 | 2019-03-12 | 东莞赫升机电有限公司 | 一种用于压缩机的复合式活塞环 |
-
2020
- 2020-12-15 US US17/247,542 patent/US11326694B2/en active Active
- 2020-12-16 KR KR1020227022638A patent/KR102639899B1/ko active Active
- 2020-12-16 JP JP2022536718A patent/JP2023507320A/ja active Pending
- 2020-12-16 WO PCT/US2020/070914 patent/WO2021127695A1/en not_active Ceased
- 2020-12-16 CN CN202080087864.5A patent/CN114761712B/zh active Active
- 2020-12-16 EP EP20904228.2A patent/EP4077983A4/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030080512A1 (en) | 2000-02-11 | 2003-05-01 | Alain Colson | Very high-pressure cryogenic pump |
| US20090179386A1 (en) | 2008-01-14 | 2009-07-16 | Hoerbiger Kompresortechnik Holding Gmbh | Gastight piston ring arrangement |
| US20150252900A1 (en) | 2012-10-26 | 2015-09-10 | Burckhardt Compression Ag | Piston ring |
Also Published As
| Publication number | Publication date |
|---|---|
| US20210180694A1 (en) | 2021-06-17 |
| CN114761712A (zh) | 2022-07-15 |
| KR20220110262A (ko) | 2022-08-05 |
| WO2021127695A1 (en) | 2021-06-24 |
| JP2023507320A (ja) | 2023-02-22 |
| EP4077983A4 (en) | 2023-12-27 |
| EP4077983A1 (en) | 2022-10-26 |
| CN114761712B (zh) | 2023-09-15 |
| US11326694B2 (en) | 2022-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102639899B1 (ko) | 극저온 피스톤링 | |
| US5779243A (en) | Piston ring set for reciprocating engines | |
| EP2045488B1 (en) | Piston ring of reciprocating engine | |
| US12560235B2 (en) | Piston sealing ring assembly having a gap cover element | |
| US6240828B1 (en) | Piston of internal combustion engine | |
| US11946435B2 (en) | Open-faced piston assembly | |
| KR101839072B1 (ko) | 오일 유동 슬롯을 가지고 있는 스커트를 가진 피스톤 및 이 피스톤의 제작 방법 | |
| KR101450369B1 (ko) | 오일 유동 구멍들을 가진 스커트를 구비한 피스톤 | |
| US5695199A (en) | Piston sealing assembly | |
| JPS6350683A (ja) | ガス流体の圧縮に用いる往復動機械用のピストンおよび該ピストンを備えた機械 | |
| US10851893B2 (en) | Piston arrangement | |
| US8978620B2 (en) | Seatless wet cylinder liner for internal combustion engine | |
| US4350082A (en) | Pump piston having ring lubrication means | |
| US7134416B2 (en) | Rotary valve seal | |
| JP2000130583A (ja) | 圧力リング用複合二重ピストンリング | |
| JPS5815613B2 (ja) | 内燃機関等のピストン | |
| US4540185A (en) | Gas-lubricated seal for sealing between a piston and a cylinder wall | |
| JPS63101578A (ja) | 孔部材と軸部材間の密封構造 | |
| JP3625896B2 (ja) | エキスパンダ付きオイルリング | |
| JPS5872653A (ja) | デイ−ゼルエンジンのピストン | |
| JPH04370474A (ja) | ピストンリング | |
| KR20090064186A (ko) | 내연기관의 피스톤 링 구조 | |
| JP2019090454A (ja) | ピストンリング | |
| JPS6088849A (ja) | ピストンリング | |
| JPH03282162A (ja) | 膨張エンジン |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20220701 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20231121 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20240220 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20240220 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration |