JP2005282507A - エジェクタ - Google Patents
エジェクタ Download PDFInfo
- Publication number
- JP2005282507A JP2005282507A JP2004099798A JP2004099798A JP2005282507A JP 2005282507 A JP2005282507 A JP 2005282507A JP 2004099798 A JP2004099798 A JP 2004099798A JP 2004099798 A JP2004099798 A JP 2004099798A JP 2005282507 A JP2005282507 A JP 2005282507A
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- JP
- Japan
- Prior art keywords
- pressure
- refrigerant
- ejector
- fluid
- space
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0012—Ejectors with the cooled primary flow at high pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0013—Ejector control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/01—Geometry problems, e.g. for reducing size
Abstract
【解決手段】 部材内部に気相冷媒が吸引空間24へ流れる気相冷媒通路21aを有する気相管路部材21を備え、高圧流体の流体通路を気相管路部材21の外周面21eに形成された外周テーパ形状21fと本体17の内壁部17bの内壁テーパ形状17cとの間で縮小する。さらに、ステッピングモータでロータと一体に気相管路部材21を回転させ、ネジ部17a、21cで回転力を流線方向Rの変位力に変換して気相管路部材21を変位させる。
【選択図】 図3
Description
噴出口(25)から高速で噴出する高圧側流体の巻き込み作用によって、低圧流体通路(21a)の低圧側流体が吸引空間(24)内へ吸引されるようになっていることを特徴としている。
本実施形態は、本発明に係るエジェクタを車両用空調装置の冷凍サイクルに適用したものであり、図1は本実施形態に係る冷凍サイクルの模式図である。図1中、11は冷媒を吸入圧縮する圧縮機11である。この圧縮機11で高圧状態となった冷媒は放熱器12に流入する。放熱器12では高圧冷媒が室外空気へ放熱する、言い換えると冷媒が室外空気により冷却され、凝縮して液相となる。
第1実施形態の外周テーパ形状21fは、気相流入口21dへ向かって円筒の肉厚が薄くなるような形状であったが、図4の本実施形態では気相流入口21dへ向かって円筒の肉厚が厚くなるようの形成されている。
上述の実施形態では本発明を車両用空調装置に適用した例を示したが、本発明を車両用空調装置に限らず、給湯器用のヒートポンプサイクルなどの蒸気圧縮式サイクルに適用してもよい。
21…気相管路部材(低圧管路部材)、21a…気相冷媒通路(低圧流体通路)、
21e…外周面、21f…外周テーパ形状、23…ロータ(変位手段)、
24…吸引空間、25…噴出口。
Claims (3)
- 内部に高圧側流体が流入する高圧空間(19)が形成されたエジェクタ本体(17)と、
前記エジェクタ本体(17)内において、前記高圧空間(19)よりも流体流れ下流側に形成される吸引空間(24)と、
前記高圧空間(19)に配置され、部材内部に低圧側流体が前記吸引空間(24)へ流れる低圧流体通路(21a)を有する低圧管路部材(21)と、
前記高圧空間(19)を形成する前記エジェクタ本体(17)の内壁部(17b)と、前記低圧管路部材(21)の外周面(21e)とで形成され、前記高圧流体が前記吸引空間(24)に高速で噴出する噴出口(25)とを備え、
前記噴出口(25)から高速で噴出する前記高圧側流体の巻き込み作用によって、前記低圧流体通路(21a)の前記低圧側流体が前記吸引空間(24)内へ吸引されるようになっていることを特徴とするエジェクタ。 - 前記低圧管路部材(21)を流体の流線方向(R)に変位させることにより、前記噴出口(25)の開度を変化させる変位手段(23)を備えることを特徴とする請求項1に記載のエジェクタ。
- 前記低圧管路部材(21)の前記外周面(21e)に形成される外周テーパ形状(21f)と、前記内壁部(17b)に流体流れ下流側に向かって前記高圧空間(19)を縮小するように形成される内壁テーパ形状(17c)との少なくとも1つを備え、
前記高圧空間(19)から前記噴出口(25)へ向かう前記高圧流体の流体通路面積が徐々に縮小するようになっていることを特徴とする請求項1または2に記載のエジェクタ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004099798A JP4134931B2 (ja) | 2004-03-30 | 2004-03-30 | エジェクタ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004099798A JP4134931B2 (ja) | 2004-03-30 | 2004-03-30 | エジェクタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005282507A true JP2005282507A (ja) | 2005-10-13 |
JP4134931B2 JP4134931B2 (ja) | 2008-08-20 |
Family
ID=35181172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004099798A Expired - Fee Related JP4134931B2 (ja) | 2004-03-30 | 2004-03-30 | エジェクタ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4134931B2 (ja) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101038160B1 (ko) * | 2006-03-02 | 2011-05-31 | 신닛뽄세이테쯔 카부시키카이샤 | 열간 성형 금형 및 프레스 성형 장치 및 열간 프레스 성형 방법 |
US20120085124A1 (en) * | 2010-10-08 | 2012-04-12 | Tomohiro Maruyama | Jet pump and air conditioner |
CN102444626A (zh) * | 2010-10-08 | 2012-05-09 | 康奈可关精株式会社 | 喷射泵及空调装置 |
WO2012074650A1 (en) * | 2010-11-30 | 2012-06-07 | Carrier Corporation | Ejector |
GB2509182A (en) * | 2012-12-21 | 2014-06-25 | Xerex Ab | Vacuum ejector with multi-nozzle drive stage and booster |
KR20170043054A (ko) * | 2015-10-12 | 2017-04-20 | 삼성전자주식회사 | 선회류를 이용한 이젝터 |
CN107490207A (zh) * | 2016-06-13 | 2017-12-19 | Lg电子株式会社 | 喷射器及具有该喷射器的制冷循环装置 |
US10345018B2 (en) * | 2016-10-27 | 2019-07-09 | Lg Electronics Inc. | Ejector and refrigeration cycle apparatus having ejector |
US10457499B2 (en) | 2014-10-13 | 2019-10-29 | Piab Aktiebolag | Handling device with suction cup for foodstuff |
US10753373B2 (en) | 2012-12-21 | 2020-08-25 | Piab Aktiebolag | Vacuum ejector nozzle with elliptical diverging section |
US10767662B2 (en) | 2012-12-21 | 2020-09-08 | Piab Aktiebolag | Multi-stage vacuum ejector with molded nozzle having integral valve elements |
US10767663B2 (en) | 2012-12-21 | 2020-09-08 | Piab Aktiebolag | Vacuum ejector with tripped diverging exit flow |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101272803B1 (ko) * | 2011-06-23 | 2013-06-10 | 민영섭 | 이젝터 |
KR101272804B1 (ko) | 2013-03-12 | 2013-06-10 | 민영섭 | 이젝터 |
-
2004
- 2004-03-30 JP JP2004099798A patent/JP4134931B2/ja not_active Expired - Fee Related
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101038160B1 (ko) * | 2006-03-02 | 2011-05-31 | 신닛뽄세이테쯔 카부시키카이샤 | 열간 성형 금형 및 프레스 성형 장치 및 열간 프레스 성형 방법 |
US8291740B2 (en) | 2006-03-02 | 2012-10-23 | Nippon Steel Corporation | Hot forming die, press forming apparatus, and hot press forming method |
EP2439469A3 (en) * | 2010-10-08 | 2014-01-22 | Calsonic Kansei Corporation | Jet pump and air conditioner |
US20120085124A1 (en) * | 2010-10-08 | 2012-04-12 | Tomohiro Maruyama | Jet pump and air conditioner |
CN102444626A (zh) * | 2010-10-08 | 2012-05-09 | 康奈可关精株式会社 | 喷射泵及空调装置 |
JP2012097733A (ja) * | 2010-10-08 | 2012-05-24 | Calsonic Kansei Corp | ジェットポンプおよび空調装置 |
US9140470B2 (en) | 2010-11-30 | 2015-09-22 | Carrier Corporation | Ejector |
WO2012074650A1 (en) * | 2010-11-30 | 2012-06-07 | Carrier Corporation | Ejector |
GB2509182A (en) * | 2012-12-21 | 2014-06-25 | Xerex Ab | Vacuum ejector with multi-nozzle drive stage and booster |
US10753373B2 (en) | 2012-12-21 | 2020-08-25 | Piab Aktiebolag | Vacuum ejector nozzle with elliptical diverging section |
US10202984B2 (en) | 2012-12-21 | 2019-02-12 | Xerex Ab | Vacuum ejector with multi-nozzle drive stage and booster |
US10767663B2 (en) | 2012-12-21 | 2020-09-08 | Piab Aktiebolag | Vacuum ejector with tripped diverging exit flow |
US10767662B2 (en) | 2012-12-21 | 2020-09-08 | Piab Aktiebolag | Multi-stage vacuum ejector with molded nozzle having integral valve elements |
US10457499B2 (en) | 2014-10-13 | 2019-10-29 | Piab Aktiebolag | Handling device with suction cup for foodstuff |
KR20170043054A (ko) * | 2015-10-12 | 2017-04-20 | 삼성전자주식회사 | 선회류를 이용한 이젝터 |
KR102379642B1 (ko) * | 2015-10-12 | 2022-03-28 | 삼성전자주식회사 | 선회류를 이용한 이젝터 |
CN107490207A (zh) * | 2016-06-13 | 2017-12-19 | Lg电子株式会社 | 喷射器及具有该喷射器的制冷循环装置 |
CN107490207B (zh) * | 2016-06-13 | 2019-11-15 | Lg电子株式会社 | 喷射器及具有该喷射器的制冷循环装置 |
US10422560B2 (en) | 2016-06-13 | 2019-09-24 | Lg Electronics Inc. | Ejector and refrigeration cycle apparatus including ejector |
US10345018B2 (en) * | 2016-10-27 | 2019-07-09 | Lg Electronics Inc. | Ejector and refrigeration cycle apparatus having ejector |
Also Published As
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