JP2006169998A - 密閉型圧縮機 - Google Patents
密閉型圧縮機 Download PDFInfo
- Publication number
- JP2006169998A JP2006169998A JP2004361177A JP2004361177A JP2006169998A JP 2006169998 A JP2006169998 A JP 2006169998A JP 2004361177 A JP2004361177 A JP 2004361177A JP 2004361177 A JP2004361177 A JP 2004361177A JP 2006169998 A JP2006169998 A JP 2006169998A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- hermetic compressor
- cylinder
- refrigerant
- dead center
- 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.)
- Granted
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Classifications
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
- F04B39/0292—Lubrication of pistons or cylinders
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
- Y10S417/902—Hermetically sealed motor pump unit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
【解決手段】少なくとも下死点付近で密閉容器101内の空間と連通し、かつピストン140のトップ側面151およびスカート側面152に連通しない溝部153をピストン140の外周の上側面154および下側面155に形成するとともに、少なくとも下死点付近で密閉容器101内の空間と連通している部分において溝部153を平面展開したときの形状がピストン軸芯170との平行線を形成しないもので、ピストン140が上下方向に傾きにくくなることで冷媒の漏れを抑制でき、また摺動部への側圧荷重が低減される。
【選択図】図1
Description
図1は、本発明の実施の形態1における密閉型圧縮機の縦断面図、図2は、同実施の形態の密閉型圧縮機に用いるピストン周りの要素拡大図、図3は、同実施の形態の密閉型圧縮機に用いるピストンの上面図である。図4は、横軸がピストンの溝部深さを示し、縦軸には成績係数C.O.P(COEFFICIENT OF PERFORMANCE)で示した同実施の形態の特性図である。図5は、同実施の形態の密閉型圧縮機に用いるピストンの溝部加工方法を示した概略図である。
105 圧縮機構
106 オイル
110 クランクシャフト
111 主軸部
112 偏芯部
120 給油手段
130 ブロック
131 シリンダー
140 ピストン
146 コンロッド
150 ピストンの外周面
151 トップ側面
152 スカート側面
153 溝部
154 上側図
155 下側図
156 トップ側面側とのつなぎR
157 スカート側面側に張り出す部分
170 ピストンの軸芯
Claims (5)
- 密閉容器内にオイルを貯溜するとともに冷媒ガスを圧縮する圧縮機構を収容し、前記圧縮機構は、略鉛直方向に配設され主軸部および偏芯部を有するクランクシャフトと、シリンダーを形成するブロックと、前記シリンダー内を往復運動する略円筒形のピストンと、前記偏芯部と前記ピストンを連結する連結手段と、前記オイルをピストンの外周に供給する給油手段とを備え、少なくとも下死点付近で前記密閉容器内の空間と連通し、かつ前記ピストンのトップ側面およびスカート側面に連通しない溝部を前記ピストンの外周の上側面および下側面に形成するとともに、少なくとも下死点付近で前記密閉容器内の空間と連通している部分において前記溝部を平面展開したときの形状がピストン軸芯との平行線を形成しない密閉型圧縮機。
- 溝部を平面展開したときの形状が、ピストン軸芯との平行線を一切形成しない請求項1に記載の密閉型圧縮機。
- 溝部のピストン外周面からの深さを50μmから400μmとした請求項1または2に記載の密閉型圧縮機。
- 溝部の形状が、ピストンのスカート側面側に張り出す略半月状の形状をなし、前記スカート側面側に張り出す部分の曲率が、ピストンのトップ側面側とのつなぎRの曲率より小さい請求項1から3のいずれか一項に記載の密閉型圧縮機。
- 冷媒は炭化水素系冷媒である請求項1から4のいずれか一項に記載の密閉型圧縮機。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004361177A JP4760003B2 (ja) | 2004-12-14 | 2004-12-14 | 密閉型圧縮機 |
PCT/JP2005/023090 WO2006064890A1 (en) | 2004-12-14 | 2005-12-09 | Hermetic compressor |
DE602005019381T DE602005019381D1 (de) | 2004-12-14 | 2005-12-09 | Hermetischer verdichter |
KR1020067009678A KR100772767B1 (ko) | 2004-12-14 | 2005-12-09 | 밀폐형 압축기 |
EP05820483A EP1697638B1 (en) | 2004-12-14 | 2005-12-09 | Hermetic compressor |
US10/576,783 US8210832B2 (en) | 2004-12-14 | 2005-12-09 | Hermetic compressor |
CNU2005201321472U CN2913667Y (zh) | 2004-12-14 | 2005-12-12 | 密封式压缩机 |
CNB2005100228521A CN100491722C (zh) | 2004-12-14 | 2005-12-12 | 密封式压缩机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004361177A JP4760003B2 (ja) | 2004-12-14 | 2004-12-14 | 密閉型圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006169998A true JP2006169998A (ja) | 2006-06-29 |
JP4760003B2 JP4760003B2 (ja) | 2011-08-31 |
Family
ID=35686568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004361177A Expired - Fee Related JP4760003B2 (ja) | 2004-12-14 | 2004-12-14 | 密閉型圧縮機 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8210832B2 (ja) |
EP (1) | EP1697638B1 (ja) |
JP (1) | JP4760003B2 (ja) |
KR (1) | KR100772767B1 (ja) |
CN (2) | CN100491722C (ja) |
DE (1) | DE602005019381D1 (ja) |
WO (1) | WO2006064890A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008101532A (ja) * | 2006-10-19 | 2008-05-01 | Matsushita Electric Ind Co Ltd | 圧縮機 |
CN101900099A (zh) * | 2009-05-26 | 2010-12-01 | 松下电器产业株式会社 | 密闭型压缩机和冷冻冷藏装置 |
WO2011052195A1 (ja) * | 2009-10-27 | 2011-05-05 | パナソニック株式会社 | 密閉型圧縮機 |
JP2013060953A (ja) * | 2008-05-12 | 2013-04-04 | Panasonic Corp | 密閉型圧縮機 |
WO2014115530A1 (ja) * | 2013-01-22 | 2014-07-31 | パナソニック株式会社 | 密閉型圧縮機および冷蔵庫 |
JP2017075531A (ja) * | 2015-10-13 | 2017-04-20 | 日立アプライアンス株式会社 | 密閉型圧縮機及びこれを備えた機器 |
CN111089044A (zh) * | 2020-01-03 | 2020-05-01 | 广州万宝集团压缩机有限公司 | 一种压缩机活塞及制作方法 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101952594B (zh) * | 2008-01-10 | 2013-08-14 | Lg电子株式会社 | 往复式压缩机 |
JP5170111B2 (ja) * | 2008-05-12 | 2013-03-27 | パナソニック株式会社 | 密閉型圧縮機およびそれを用いた冷凍冷蔵装置 |
EP2256344A4 (en) * | 2008-10-29 | 2018-03-07 | Panasonic Corporation | Sealed compressor |
KR20110054813A (ko) * | 2009-11-18 | 2011-05-25 | 엘지전자 주식회사 | 압축기 |
CN102410172A (zh) * | 2011-12-07 | 2012-04-11 | 芜湖欧宝机电有限公司 | 一种往复活塞式冰箱用制冷压缩机 |
KR101910656B1 (ko) * | 2012-04-25 | 2018-10-23 | 삼성전자주식회사 | 밀폐형 왕복동 압축기 |
US20170009758A1 (en) * | 2014-02-25 | 2017-01-12 | Panasonic Intellectual Property Management Co., Ltd. | Sealed compressor and refrigeration device |
CN113187695B (zh) * | 2021-05-24 | 2023-02-24 | 珠海格力节能环保制冷技术研究中心有限公司 | 活塞、压缩机和冰箱 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003065236A (ja) * | 2001-08-28 | 2003-03-05 | Matsushita Refrig Co Ltd | 密閉型電動圧縮機 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1815733A (en) * | 1917-11-30 | 1931-07-21 | Cleveland Trust Co | Piston |
US1408066A (en) * | 1921-06-16 | 1922-02-28 | Berry William Guy | Internal-combustion-engine piston |
US1772931A (en) * | 1929-03-20 | 1930-08-12 | Motive Devices Inc | Piston |
US2046789A (en) * | 1933-08-01 | 1936-07-07 | Cleveland Trust Co | Piston |
US2136162A (en) * | 1935-01-30 | 1938-11-08 | Packard Motor Car Co | Internal combustion engine |
US2147956A (en) * | 1937-04-24 | 1939-02-21 | Alexander M Alexandrescu | Lubricating piston skirt construction |
US2197942A (en) * | 1937-07-05 | 1940-04-23 | Over Claude Stanley | Piston or plunger for engines, pumps, and the like |
US2274942A (en) * | 1940-03-30 | 1942-03-03 | Touborg Jens | Lubricated refrigerant compressor |
US2407440A (en) * | 1944-01-07 | 1946-09-10 | Osborne Walter | Piston for internal-combustion engines |
US2497380A (en) * | 1945-10-05 | 1950-02-14 | William M Venner | Piston |
DE1122209B (de) * | 1959-08-27 | 1962-01-18 | Danfoss Ved Ing M Clausen | Motorgetriebener Tauchkolbenverdichter, insbesondere fuer gekapselte Kleinkaeltemaschinen |
US4075934A (en) * | 1975-12-29 | 1978-02-28 | Karl Schmidt Gmbh | Piston for internal combustion engines |
DE3338474A1 (de) * | 1983-10-22 | 1985-05-09 | Mahle Gmbh, 7000 Stuttgart | Tauchkolben fuer verbrennungsmotoren |
JPS6181558A (ja) * | 1984-09-27 | 1986-04-25 | Honda Motor Co Ltd | 内燃機関用ピストン |
JP2851083B2 (ja) * | 1989-11-15 | 1999-01-27 | 株式会社東芝 | 流体圧縮機 |
JPH03110159U (ja) * | 1990-02-27 | 1991-11-12 | ||
JP2529001Y2 (ja) * | 1990-09-27 | 1997-03-12 | アイシン精機株式会社 | 内燃機関用ピストン |
TW353705B (en) * | 1995-06-05 | 1999-03-01 | Toyoda Automatic Loom Works | Reciprocating piston compressor |
DE69629907T2 (de) * | 1995-06-30 | 2004-07-22 | Isuzu Motors Ltd. | Kolben |
AT413233B (de) * | 2000-07-03 | 2005-12-15 | Verdichter Oe Ges M B H | Kolbenfreistellung |
US6431053B1 (en) * | 2001-03-08 | 2002-08-13 | Visteon Global Technologies, Inc. | Piston for a swashplate reciprocating compressor |
JP2004027969A (ja) * | 2002-06-26 | 2004-01-29 | Matsushita Refrig Co Ltd | 密閉型圧縮機 |
KR100562110B1 (ko) * | 2003-08-18 | 2006-03-16 | 엘지전자 주식회사 | 밀폐형 압축기의 피스톤구조 |
JP4337635B2 (ja) * | 2004-05-28 | 2009-09-30 | パナソニック株式会社 | 密閉型圧縮機 |
KR100575685B1 (ko) * | 2004-06-02 | 2006-05-03 | 엘지전자 주식회사 | 밀폐형 왕복동식 압축기의 오일 분사구조 |
-
2004
- 2004-12-14 JP JP2004361177A patent/JP4760003B2/ja not_active Expired - Fee Related
-
2005
- 2005-12-09 US US10/576,783 patent/US8210832B2/en active Active
- 2005-12-09 EP EP05820483A patent/EP1697638B1/en active Active
- 2005-12-09 WO PCT/JP2005/023090 patent/WO2006064890A1/en active Application Filing
- 2005-12-09 KR KR1020067009678A patent/KR100772767B1/ko active IP Right Grant
- 2005-12-09 DE DE602005019381T patent/DE602005019381D1/de active Active
- 2005-12-12 CN CNB2005100228521A patent/CN100491722C/zh active Active
- 2005-12-12 CN CNU2005201321472U patent/CN2913667Y/zh not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003065236A (ja) * | 2001-08-28 | 2003-03-05 | Matsushita Refrig Co Ltd | 密閉型電動圧縮機 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008101532A (ja) * | 2006-10-19 | 2008-05-01 | Matsushita Electric Ind Co Ltd | 圧縮機 |
JP2013060953A (ja) * | 2008-05-12 | 2013-04-04 | Panasonic Corp | 密閉型圧縮機 |
CN101900099A (zh) * | 2009-05-26 | 2010-12-01 | 松下电器产业株式会社 | 密闭型压缩机和冷冻冷藏装置 |
JP2010275870A (ja) * | 2009-05-26 | 2010-12-09 | Panasonic Corp | 密閉型圧縮機および冷凍冷蔵装置 |
US8601933B2 (en) | 2009-05-26 | 2013-12-10 | Panasonic Corporation | Hermetic compressor and fridge-freezer |
WO2011052195A1 (ja) * | 2009-10-27 | 2011-05-05 | パナソニック株式会社 | 密閉型圧縮機 |
JP5753983B2 (ja) * | 2009-10-27 | 2015-07-22 | パナソニックIpマネジメント株式会社 | 密閉型圧縮機 |
WO2014115530A1 (ja) * | 2013-01-22 | 2014-07-31 | パナソニック株式会社 | 密閉型圧縮機および冷蔵庫 |
JP6048849B2 (ja) * | 2013-01-22 | 2016-12-21 | パナソニックIpマネジメント株式会社 | 密閉型圧縮機および冷蔵庫 |
US10352312B2 (en) | 2013-01-22 | 2019-07-16 | Panasonic Appliances Refrigeration Devices Singapore | Hermetic compressor and refrigerator |
JP2017075531A (ja) * | 2015-10-13 | 2017-04-20 | 日立アプライアンス株式会社 | 密閉型圧縮機及びこれを備えた機器 |
CN111089044A (zh) * | 2020-01-03 | 2020-05-01 | 广州万宝集团压缩机有限公司 | 一种压缩机活塞及制作方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4760003B2 (ja) | 2011-08-31 |
CN2913667Y (zh) | 2007-06-20 |
CN1789710A (zh) | 2006-06-21 |
EP1697638A1 (en) | 2006-09-06 |
US20090101442A1 (en) | 2009-04-23 |
KR20060093730A (ko) | 2006-08-25 |
US8210832B2 (en) | 2012-07-03 |
WO2006064890A1 (en) | 2006-06-22 |
KR100772767B1 (ko) | 2007-11-01 |
CN100491722C (zh) | 2009-05-27 |
DE602005019381D1 (de) | 2010-04-01 |
EP1697638B1 (en) | 2010-02-17 |
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LAPS | Cancellation because of no payment of annual fees |