JP2015161268A5 - - Google Patents
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- JP2015161268A5 JP2015161268A5 JP2014038337A JP2014038337A JP2015161268A5 JP 2015161268 A5 JP2015161268 A5 JP 2015161268A5 JP 2014038337 A JP2014038337 A JP 2014038337A JP 2014038337 A JP2014038337 A JP 2014038337A JP 2015161268 A5 JP2015161268 A5 JP 2015161268A5
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- 238000007906 compression Methods 0.000 claims description 62
- 239000012530 fluid Substances 0.000 claims description 41
- 230000002265 prevention Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 1
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 1
- 239000001569 carbon dioxide Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
Description
本発明は、上記目的を達成するために案出されたもので、請求項１に記載の発明では、回転軸（２５）回りに変位しながら容積を縮小させる圧縮室（Ｖｃ）を形成する圧縮室形成部材（１１、１２）を備えるとともに、低圧流体を吸入する吸入ポート（３０ａ）および外部から吸入された中間圧流体を圧縮室（Ｖｃ）にて圧縮過程の流体へ合流させる中間圧吸入ポート（３０ｂ）が設けられた圧縮機であって、
圧縮室（Ｖｃ）側から中間圧吸入ポート（３０ｂ）側へ流体が逆流することを防止する逆流防止手段（５０）を備え、逆流防止手段（５０）から圧縮室（Ｖｃ）へ至る下流側流体通路（５１）は、少なくとも回転軸（２５）の回転方向と逆方向に延びる方向成分を有して形成されており、
下流側流体通路（５１）は、圧縮室形成部材（１２）に形成されているとともに、圧縮室形成部材（１２）のうち吸入ポート（３０ａ）側に連通して容積が最も大きくなる吸入側の圧縮室（Ｖｃ）を形成する壁面に向かう方向成分を有して形成されていることを特徴とする。
The present invention has been devised in order to achieve the above object. In the invention according to claim 1, the compression forming the compression chamber (Vc) in which the volume is reduced while being displaced around the rotation axis (25). A suction port (30a) for sucking low-pressure fluid and an intermediate-pressure suction port for joining intermediate-pressure fluid sucked from the outside to the fluid in the compression process in the compression chamber (Vc). A compressor provided with (30b),
A downstream fluid that includes backflow prevention means (50) that prevents the fluid from flowing back from the compression chamber (Vc) side to the intermediate pressure suction port (30b) side, and that flows from the backflow prevention means (50) to the compression chamber (Vc). The passage (51) is formed to have at least a direction component extending in a direction opposite to the rotation direction of the rotation shaft (25) ,
The downstream fluid passage (51) is formed in the compression chamber forming member (12), and communicates with the suction port (30a) side of the compression chamber forming member (12) so as to have the largest volume. It is characterized by having a directional component toward the wall surface forming the compression chamber (Vc) .
従って、高圧流体を吐出する吐出ポートに連通する吐出側の圧縮室（Ｖｃ）内の高圧流体の有する熱が、圧縮室形成部材（１１、１２）を介して、低圧流体を吸入する吸入ポートに連通する吸入側の圧縮室（Ｖｃ）へ流入する流体へ伝熱されてしまうことを抑制して、圧縮機の体積効率の悪化を抑制することができる。
また、請求項２に記載の発明では、回転軸（２５）回りに変位しながら容積を縮小させる圧縮室（Ｖｃ）を形成する圧縮室形成部材（１１、１２）を備えるとともに、外部から吸入された中間圧流体を圧縮室（Ｖｃ）にて圧縮過程の流体へ合流させる中間圧吸入ポート（３０ｂ）が設けられた圧縮機であって、
圧縮室（Ｖｃ）側から中間圧吸入ポート（３０ｂ）側へ流体が逆流することを防止する逆流防止手段（５０）を備え、
圧縮室形成部材として、回転軸（２５）の回転に伴って変位する可動側圧縮室形成部材（１１）が設けられており、
逆流防止手段（５０）から圧縮室（Ｖｃ）へ至る下流側流体通路（５１）は、回転軸（２５）の中心軸の軸方向から見たときに、下流側冷媒通路（５１）の入口部から回転軸（２５）の中心軸へ至る線分を線分Ｌ１とし、下流側冷媒通路（５１）の入口部から出口部へ至る線分を線分Ｌ２とし、回転軸（２５）および可動側圧縮室形成部材（１１）の回転方向に線分Ｌ１から線分Ｌ２へ至る角度をαとしたときに、
０°＜α＜１８０°
となるように形成されており、
さらに、線分Ｌ２を含み、かつ、回転軸（２５）の軸方向に平行な断面において、回転軸（２５）の軸方向に延びる線分を線分Ｌ３とし、線分Ｌ３と線分Ｌ２との間に形成される角度のうち、小さい方の角度をβとしたときに、
０°＜β＜９０°
となるように形成されていること特徴とする。
これによれば、請求項１に記載の発明と同様の効果を得ることができる。
Accordingly, the heat of the high-pressure fluid in the discharge-side compression chamber (Vc) communicating with the discharge port that discharges the high-pressure fluid is transferred to the suction port that sucks the low-pressure fluid through the compression chamber forming members (11, 12). It is possible to suppress heat transfer to the fluid flowing into the compression chamber (Vc) on the suction side that communicates, and to suppress deterioration in volumetric efficiency of the compressor.
In addition, the invention according to claim 2 includes a compression chamber forming member (11, 12) that forms a compression chamber (Vc) that reduces the volume while being displaced around the rotation axis (25), and is sucked from the outside. A compressor provided with an intermediate pressure suction port (30b) for joining the intermediate pressure fluid to the fluid in the compression process in the compression chamber (Vc),
Backflow prevention means (50) for preventing the fluid from flowing back from the compression chamber (Vc) side to the intermediate pressure suction port (30b) side,
As the compression chamber forming member, a movable side compression chamber forming member (11) that is displaced in accordance with the rotation of the rotation shaft (25) is provided,
The downstream fluid passage (51) from the backflow preventing means (50) to the compression chamber (Vc) is an inlet portion of the downstream refrigerant passage (51) when viewed from the axial direction of the central axis of the rotating shaft (25). The segment extending from the central axis of the rotary shaft (25) to the central axis of the rotary shaft (25) is defined as a line segment L1, and the segment extending from the inlet portion to the outlet portion of the downstream refrigerant passage (51) is defined as the line segment L2. When the angle from the line segment L1 to the line segment L2 in the rotation direction of the compression chamber forming member (11) is α,
0 ° <α <180 °
It is formed so that
Furthermore, in a cross section including the line segment L2 and parallel to the axial direction of the rotation axis (25), a line segment extending in the axial direction of the rotation axis (25) is defined as a line segment L3, and the line segment L3 and the line segment L2 Among the angles formed between the two, when the smaller angle is β,
0 ° <β <90 °
It is characterized by being formed.
According to this, the same effect as that of the first aspect of the invention can be obtained.
また、上記特徴の圧縮機は、具体的に、圧縮室形成部材が、回転軸（２５）から伝達される回転駆動力によって公転運動するとともに渦巻き状の可動側歯部（１１２）を有する可動スクロール（１１）、および可動側歯部（１１２）と噛み合う渦巻き状の固定側歯部（１２２）を有する固定スクロール（１２）を含んで構成されており、圧縮室（Ｖｃ）が可動側歯部（１１２）と固定側歯部（１２２）との間に形成される、いわゆるスクロール型圧縮機として構成されていてもよい。
また、請求項８に記載の発明では、回転軸（２５）回りに変位しながら容積を縮小させる圧縮室（Ｖｃ）を形成する圧縮室形成部材（１１、１２）を備えるとともに、外部から吸入された中間圧流体を圧縮室（Ｖｃ）にて圧縮過程の流体へ合流させる中間圧吸入ポート（３０ｂ）が設けられた圧縮機であって、
圧縮室（Ｖｃ）側から中間圧吸入ポート（３０ｂ）側へ流体が逆流することを防止する逆流防止手段（５０）を備え、
圧縮室形成部材は、回転軸（２５）から伝達される回転駆動力によって公転運動するとともに渦巻き状の可動側歯部（１１２）を有する可動スクロール（１１）、および可動側歯部（１１２）と噛み合う渦巻き状の固定側歯部（１２２）を有する固定スクロール（１２）を含んで構成されており、圧縮室（Ｖｃ）は、可動側歯部（１１２）と固定側歯部（１２２）との間に形成されており、
逆流防止手段（５０）から圧縮室（Ｖｃ）へ至る下流側流体通路（５１）が、少なくとも回転軸（２５）の回転方向と逆方向に延びる方向成分を有して形成されており、下流側流体通路（５１）は、前記固定側歯部（１２２）の内部に形成されていることを特徴とする。
これによれば、請求項１に記載の発明と同様の効果を得ることができる。
In the compressor having the above characteristics, specifically, the compression chamber forming member revolves by the rotational driving force transmitted from the rotation shaft (25) and has a spiral movable side tooth portion (112). (11) and a fixed scroll (12) having a spiral fixed side tooth portion (122) meshing with the movable side tooth portion (112), and the compression chamber (Vc) has a movable side tooth portion ( 112) and a fixed side tooth portion (122) may be configured as a so-called scroll compressor.
In addition, the invention according to claim 8 includes a compression chamber forming member (11, 12) that forms a compression chamber (Vc) that reduces the volume while being displaced around the rotation axis (25), and is sucked from the outside. A compressor provided with an intermediate pressure suction port (30b) for joining the intermediate pressure fluid to the fluid in the compression process in the compression chamber (Vc),
Backflow prevention means (50) for preventing the fluid from flowing back from the compression chamber (Vc) side to the intermediate pressure suction port (30b) side,
The compression chamber forming member revolves by the rotational driving force transmitted from the rotary shaft (25) and has a movable scroll (11) having a spiral movable side tooth portion (112), and a movable side tooth portion (112). The compression scroll (Vc) is configured to include a movable side tooth part (112) and a fixed side tooth part (122). Formed between,
The downstream fluid passage (51) extending from the backflow preventing means (50) to the compression chamber (Vc) is formed to have at least a directional component extending in the direction opposite to the rotation direction of the rotation shaft (25). The fluid passage (51) is formed inside the fixed side tooth portion (122).
According to this, the same effect as that of the first aspect of the invention can be obtained.
Claims (9)
前記圧縮室（Ｖｃ）側から中間圧吸入ポート（３０ｂ）側へ前記流体が逆流することを防止する逆流防止手段（５０）を備え、
前記逆流防止手段（５０）から前記圧縮室（Ｖｃ）へ至る下流側流体通路（５１）は、少なくとも前記回転軸（２５）の回転方向と逆方向に延びる方向成分を有して形成されており、
前記下流側流体通路（５１）は、前記圧縮室形成部材（１２）に形成されているとともに、前記圧縮室形成部材（１２）のうち前記吸入ポート（３０ａ）側に連通して容積が最も大きくなる吸入側の前記圧縮室（Ｖｃ）を形成する壁面に向かう方向成分を有して形成されていることを特徴とする圧縮機。 A compression chamber forming member (11, 12) that forms a compression chamber (Vc) that reduces the volume while being displaced around the rotation shaft (25) is provided, and a suction port (30a) for sucking low-pressure fluid and a suction port from the outside. A compressor provided with an intermediate pressure suction port (30b) for joining the intermediate pressure fluid to the fluid in the compression process in the compression chamber (Vc),
Backflow prevention means (50) for preventing the fluid from flowing back from the compression chamber (Vc) side to the intermediate pressure suction port (30b) side;
Said downstream side fluid passage extending back flow preventing means from (50) said compression chamber (Vc) (51) is formed with a direction component extending in a direction opposite to the rotation direction of at least said rotary shaft (25) ,
The downstream fluid passage (51) is formed in the compression chamber forming member (12) and communicates with the suction port (30a) side of the compression chamber forming member (12) to have the largest volume. A compressor having a directional component toward a wall surface forming the compression chamber (Vc) on the suction side .
前記圧縮室（Ｖｃ）側から中間圧吸入ポート（３０ｂ）側へ前記流体が逆流することを防止する逆流防止手段（５０）を備え、Backflow prevention means (50) for preventing the fluid from flowing back from the compression chamber (Vc) side to the intermediate pressure suction port (30b) side;
前記圧縮室形成部材として、前記回転軸（２５）の回転に伴って変位する可動側圧縮室形成部材（１１）が設けられており、As the compression chamber forming member, a movable side compression chamber forming member (11) that is displaced in accordance with the rotation of the rotation shaft (25) is provided,
前記逆流防止手段（５０）から前記圧縮室（Ｖｃ）へ至る下流側流体通路（５１）は、前記回転軸（２５）の中心軸の軸方向から見たときに、前記下流側冷媒通路（５１）の入口部から前記回転軸（２５）の中心軸へ至る線分を線分Ｌ１とし、前記下流側冷媒通路（５１）の入口部から出口部へ至る線分を線分Ｌ２とし、前記回転軸（２５）および前記可動側圧縮室形成部材（１１）の回転方向に線分Ｌ１から線分Ｌ２へ至る角度をαとしたときに、The downstream fluid passage (51) from the backflow prevention means (50) to the compression chamber (Vc) is viewed from the axial direction of the central axis of the rotating shaft (25), and the downstream refrigerant passage (51). ) Is defined as a line segment L1 from the inlet portion to the central axis of the rotary shaft (25), and a line segment from the inlet portion to the outlet portion of the downstream refrigerant passage (51) is defined as a line segment L2. When the angle from the line segment L1 to the line segment L2 in the rotation direction of the shaft (25) and the movable side compression chamber forming member (11) is α,
０°＜α＜１８０°0 ° <α <180 °
となるように形成されており、It is formed so that
さらに、前記線分Ｌ２を含み、かつ、前記回転軸（２５）の軸方向に平行な断面において、前記回転軸（２５）の軸方向に延びる線分を線分Ｌ３とし、前記線分Ｌ３と前記線分Ｌ２との間に形成される角度のうち、小さい方の角度をβとしたときに、Further, in a cross section including the line segment L2 and parallel to the axial direction of the rotation shaft (25), a line segment extending in the axial direction of the rotation shaft (25) is defined as a line segment L3, and the line segment L3 and Of the angles formed between the line segment L2 and β being the smaller angle,
０°＜β＜９０°0 ° <β <90 °
となるように形成されていることを特徴とする圧縮機。A compressor characterized by being formed to be.
前記圧縮室（Ｖｃ）は、前記可動側歯部（１１２）と前記固定側歯部（１２２）との間に形成されていることを特徴とする請求項１ないし５のいずれか１つに記載の圧縮機。 The compression chamber forming member revolves by a rotational driving force transmitted from the rotary shaft (25) and has a movable scroll (11) having a spiral movable side tooth portion (112), and the movable side tooth portion ( 112) including a fixed scroll (12) having a spiral fixed side tooth portion (122) meshing with
The said compression chamber (Vc) is formed between the said movable side tooth | gear part (112) and the said fixed side tooth | gear part (122), The one of Claim 1 thru | or 5 characterized by the above-mentioned. Compressor.
前記圧縮室（Ｖｃ）側から中間圧吸入ポート（３０ｂ）側へ前記流体が逆流することを防止する逆流防止手段（５０）を備え、Backflow prevention means (50) for preventing the fluid from flowing back from the compression chamber (Vc) side to the intermediate pressure suction port (30b) side;
前記圧縮室形成部材は、前記回転軸（２５）から伝達される回転駆動力によって公転運動するとともに渦巻き状の可動側歯部（１１２）を有する可動スクロール（１１）、および前記可動側歯部（１１２）と噛み合う渦巻き状の固定側歯部（１２２）を有する固定スクロール（１２）を含んで構成されており、The compression chamber forming member revolves by a rotational driving force transmitted from the rotary shaft (25) and has a movable scroll (11) having a spiral movable side tooth portion (112), and the movable side tooth portion ( 112) including a fixed scroll (12) having a spiral fixed side tooth portion (122) meshing with
前記圧縮室（Ｖｃ）は、前記可動側歯部（１１２）と前記固定側歯部（１２２）との間に形成されており、The compression chamber (Vc) is formed between the movable side tooth portion (112) and the fixed side tooth portion (122),
前記逆流防止手段（５０）から前記圧縮室（Ｖｃ）へ至る下流側流体通路（５１）が、少なくとも前記回転軸（２５）の回転方向と逆方向に延びる方向成分を有して形成されており、A downstream fluid passage (51) from the backflow prevention means (50) to the compression chamber (Vc) is formed to have at least a directional component extending in the direction opposite to the rotation direction of the rotation shaft (25). ,
前記下流側流体通路（５１）は、前記固定側歯部（１２２）の内部に形成されていることを特徴とする圧縮機。The compressor, wherein the downstream fluid passage (51) is formed inside the fixed tooth portion (122).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014038337A JP6399637B2 (en) | 2014-02-28 | 2014-02-28 | Compressor |
| PCT/JP2015/000552 WO2015129169A1 (en) | 2014-02-28 | 2015-02-06 | Compressor |
| DE112015001018.1T DE112015001018T5 (en) | 2014-02-28 | 2015-02-06 | compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014038337A JP6399637B2 (en) | 2014-02-28 | 2014-02-28 | Compressor |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015161268A JP2015161268A (en) | 2015-09-07 |
| JP2015161268A5 true JP2015161268A5 (en) | 2016-05-26 |
| JP6399637B2 JP6399637B2 (en) | 2018-10-03 |
Family
ID=54008507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014038337A Expired - Fee Related JP6399637B2 (en) | 2014-02-28 | 2014-02-28 | Compressor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6399637B2 (en) |
| DE (1) | DE112015001018T5 (en) |
| WO (1) | WO2015129169A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102332212B1 (en) * | 2017-06-22 | 2021-11-29 | 엘지전자 주식회사 | Scroll compressor and air conditioner having the same |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3105633A (en) * | 1961-09-20 | 1963-10-01 | Gen Electric | Rotary compressor injection cooling arrangement |
| JPS5332412A (en) * | 1976-09-07 | 1978-03-27 | Ishikawajima Harima Heavy Ind Co Ltd | Oil feeding method for rotary vane compressor and its apparatus |
| JPS57153984A (en) * | 1981-03-19 | 1982-09-22 | Hitachi Ltd | Scroll compressor |
| JPS62173585U (en) * | 1986-04-23 | 1987-11-04 | ||
| JPH0439436Y2 (en) * | 1987-04-30 | 1992-09-16 | ||
| JPH05195974A (en) * | 1992-01-16 | 1993-08-06 | Hitachi Ltd | Closed type horizontal type rotary compressor |
| JP4576306B2 (en) * | 2005-08-29 | 2010-11-04 | 三菱重工業株式会社 | Scroll compressor and air conditioner |
| JP4775494B2 (en) * | 2010-02-15 | 2011-09-21 | ダイキン工業株式会社 | Scroll compressor |
| JP2012219791A (en) * | 2011-04-14 | 2012-11-12 | Hitachi Appliances Inc | Hermetic scroll compressor |
| JP5745450B2 (en) * | 2012-03-30 | 2015-07-08 | 株式会社日本自動車部品総合研究所 | Compressor injection device |
-
2014
- 2014-02-28 JP JP2014038337A patent/JP6399637B2/en not_active Expired - Fee Related
-
2015
- 2015-02-06 DE DE112015001018.1T patent/DE112015001018T5/en not_active Withdrawn
- 2015-02-06 WO PCT/JP2015/000552 patent/WO2015129169A1/en active Application Filing
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