JP2010185357A - 圧縮機 - Google Patents
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- JP2010185357A JP2010185357A JP2009029751A JP2009029751A JP2010185357A JP 2010185357 A JP2010185357 A JP 2010185357A JP 2009029751 A JP2009029751 A JP 2009029751A JP 2009029751 A JP2009029751 A JP 2009029751A JP 2010185357 A JP2010185357 A JP 2010185357A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
- F04C18/3564—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation the surfaces of the inner and outer member, forming the working space, being surfaces of revolution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
- F04C2210/263—HFO1234YF
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/90—Improving properties of machine parts
- F04C2230/91—Coating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2203/00—Non-metallic inorganic materials
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- Engineering & Computer Science (AREA)
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- Compressor (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
【解決手段】摺動部材3を有し冷媒を圧縮する圧縮要素101と、圧縮要素101を駆動する電動要素102とを備え、冷媒として、組成中に炭素の二重結合を有するハロゲン化炭化水素、組成中に炭素の二重結合を有する炭化水素、組成中に炭素の二重結合を有するハロゲン化炭化水素または組成中に炭素の二重結合を有する炭化水素の少なくともいずれかを含む混合物、のいずれかを用いてなる圧縮機200において、圧縮要素101の摺動部材3の摺接部3a、又は摺動部材3が摺接する相手部材1の摺接部の、少なくとも一方における表面を非金属で構成する。
【選択図】図1
Description
以下、図示実施形態により本発明を説明する。
図1は本発明が適用される圧縮機すなわちスライディングベーン圧縮機の全体構成を示す縦断面図である。図2は図1のA−A線矢視断面図である。
電動要素102は、固定子13と回転子14とを備える。固定子13は、密閉容器20の内周面に嵌め合いして固定されている。回転子14は、固定子13の内側に空隙を介して配置されている。
端子24、リード線23から電動要素102の固定子13に電力が供給されることにより、回転子14が回転する。すると、回転子14に固定された駆動軸6が回転し、それに伴い、ローター2がシリンダー1のシリンダー室1a内で回転する。この回転による遠心力と背圧室2bの圧力によって、ベーン3はベーン溝2aから突出し、その先端3aがシリンダー室1aの内周面に摺接しながらローター2と共に回転する。ローター2の回転に伴って、冷媒は、吸入口12から吸入室10に吸入され、その後、圧縮室11で圧縮されて吐出弁そして吐出マフラー7を経て密閉容器20内に吐出される。更に冷媒は、電動要素102を通過して密閉容器20の上面にある吐出管25より密閉容器20外へ吐出される。
(a)第1の摺動部:シリンダー室1aの内周面とベーン3の先端3a
(b)第2の摺動部:ローター2のベーン溝2aとベーン3の側面部(両側面)3b
(c)第3の摺動部:主軸受4の内周面と駆動軸6の主軸部6a
(d)第4の摺動部:副軸受5の内周面と駆動軸6の副軸部6b
HmV=2000〜3000となるように構成されている。
前述の実施形態1においては、4箇所の摺動部の全てに対し、それぞれ金属相互の接触を避けるようにすることで、組成中に炭素の二重結合を有する冷媒の重合や分解に対する鉄系材料の触媒効果も抑制するようにしたものを例に挙げて説明したが、本発明はこれに限るものでなく、一部の摺接部、又は摺接部の少なくとも一方における表面を、非金属で構成することで、前述の実施形態1と同様の作用、効果を期待できるものである。ここでは、第1の摺動部であるシリンダー室の内周面とベーンの先端に係る実施形態2について前述の図1及び図2を用いて説明する。
ここでは、第2の摺動部であるローターのベーン溝とベーンの側面部に係る実施形態3について前述の図1及び図2を用いて説明する。
Claims (6)
- 摺動部材を有し冷媒を圧縮する圧縮要素と、該圧縮要素を駆動する電動要素とを備え、前記冷媒として、組成中に炭素の二重結合を有するハロゲン化炭化水素、組成中に炭素の二重結合を有する炭化水素、組成中に炭素の二重結合を有するハロゲン化炭化水素または組成中に炭素の二重結合を有する炭化水素の少なくともいずれかを含む混合物、のいずれかを用いてなる圧縮機において、
前記圧縮要素の前記摺動部材の摺接部、又は前記摺動部材が摺接する相手部材の摺接部の、少なくとも一方における表面を非金属で構成したことを特徴とする圧縮機。 - 前記摺接部の非金属でなる表面は、該摺接部にコーティングにより被覆された被膜であることを特徴とする請求項1記載の圧縮機。
- コーティングが施される基材となる前記摺動部材や相手部材の摺接部は、表面の粗度(Rz)がRz=1.0以下、硬度(HmV)がHmV=2000〜3000であることを特徴とする請求項2記載の圧縮機。
- 前記被膜は、DLC(ダイヤモンドライクカーボン)、DLC-Si(シリコン含有ダイヤモンドライクカーボン)、CrN(窒化クロム)、TiN(窒化チタン)、TiCN(炭窒化チタン)、TiAlN(窒化チタンアルミ)、WC(タングステンカーバイド)、VC(バナジウムカーバイド)、のいずれかでなることを特徴とする請求項2又は請求項3記載の圧縮機。
- 前記圧縮要素は、シリンダーと、前記シリンダーの室内を回転するローターと、前記ローターのベーン溝内に収納されて該ローターの回転による遠心力と背圧により前記シリンダーの内周面に摺接しながら前記ベーン溝内を摺動するベーンとを備えており、
前記摺動部材とは、前記ベーンであり、これが摺接する前記相手部材とは、前記シリンダーであり、これらの摺接部とは、ベーン先端面とシリンダー内周面であることを特徴とする請求項1乃至請求項4のいずれかに記載の圧縮機。 - 前記圧縮要素は、シリンダーと、前記シリンダーの室内を回転するローターと、前記ローターのベーン溝内に収納されて該ローターの回転による遠心力と背圧により前記シリンダーの内周面に摺接しながら前記ベーン溝内を摺動するベーンとを備えており、
前記摺動部材とは、前記ベーンであり、これが摺接する前記相手部材とは、前記ローターであり、これらの摺接部とは、ベーン両側面とベーン溝内面であることを特徴とする請求項1乃至請求項4のいずれかに記載の圧縮機。
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CN102536739A (zh) * | 2010-12-13 | 2012-07-04 | 株式会社神户制钢所 | 往复式压缩机 |
JP2018131969A (ja) * | 2017-02-15 | 2018-08-23 | 三菱重工サーマルシステムズ株式会社 | 冷媒圧縮機における摺動部材、及び同部材を有する冷媒圧縮機 |
JP2021529280A (ja) * | 2018-08-31 | 2021-10-28 | グリー エレクトリック アプライアンシーズ インク オブ ズーハイGree Electric Appliances, Inc. Of Zhuhai | ポンプ本体ユニット、圧縮機、及びエアコン |
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JPH0558889U (ja) * | 1992-01-14 | 1993-08-03 | 株式会社リケン | 回転圧縮機 |
JPH08176536A (ja) * | 1994-12-27 | 1996-07-09 | Toshiba Corp | 冷媒、冷媒圧縮機および冷凍装置 |
JP2008267251A (ja) * | 2007-04-19 | 2008-11-06 | Sanden Corp | 圧縮機 |
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JPH0558889U (ja) * | 1992-01-14 | 1993-08-03 | 株式会社リケン | 回転圧縮機 |
JPH08176536A (ja) * | 1994-12-27 | 1996-07-09 | Toshiba Corp | 冷媒、冷媒圧縮機および冷凍装置 |
JP2008267251A (ja) * | 2007-04-19 | 2008-11-06 | Sanden Corp | 圧縮機 |
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CN102536739A (zh) * | 2010-12-13 | 2012-07-04 | 株式会社神户制钢所 | 往复式压缩机 |
JP2012127213A (ja) * | 2010-12-13 | 2012-07-05 | Kobe Steel Ltd | 往復動圧縮機 |
JP2018131969A (ja) * | 2017-02-15 | 2018-08-23 | 三菱重工サーマルシステムズ株式会社 | 冷媒圧縮機における摺動部材、及び同部材を有する冷媒圧縮機 |
JP2021529280A (ja) * | 2018-08-31 | 2021-10-28 | グリー エレクトリック アプライアンシーズ インク オブ ズーハイGree Electric Appliances, Inc. Of Zhuhai | ポンプ本体ユニット、圧縮機、及びエアコン |
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