JPH0217368A - Distributor for air conditioner - Google Patents
Distributor for air conditionerInfo
- Publication number
- JPH0217368A JPH0217368A JP63167323A JP16732388A JPH0217368A JP H0217368 A JPH0217368 A JP H0217368A JP 63167323 A JP63167323 A JP 63167323A JP 16732388 A JP16732388 A JP 16732388A JP H0217368 A JPH0217368 A JP H0217368A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- liquid
- refrigerant
- flow
- mixing chamber
- 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
Links
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 239000003507 refrigerant Substances 0.000 claims abstract description 55
- 238000009826 distribution Methods 0.000 claims abstract description 17
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 238000007670 refining Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000006200 vaporizer Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000009172 bursting Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
- F25B41/45—Arrangements for diverging or converging flows, e.g. branch lines or junctions for flow control on the upstream side of the diverging point, e.g. with spiral structure for generating turbulence
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は空気調和機に関し特に冷媒の分配器の改良に
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an air conditioner, and particularly to an improvement in a refrigerant distributor.
第6図及び第7図は実開昭58−158277号公報に
示された従来の空気調和機の分配器及び冷媒回路図であ
る。第7図において、(1)は圧縮機、(2)は室外熱
交換器(凝縮器)、(3)は減圧用毛細管、(4)は室
内熱交換器(蒸発器)、(5)はアキュムレータであり
、これらは順次冷媒配管(6)で連結されており冷凍サ
イクルを構成している。(7)は室内熱交換器(蒸発器
)(4)の複数の冷媒“流路へ冷媒を分配する分配器、
(8)は分配管である。また、第6図においては(9)
は冷媒流路を縮流するオリフィス、(IQ)は気液混合
室である。FIGS. 6 and 7 are diagrams of a distributor and a refrigerant circuit of a conventional air conditioner disclosed in Japanese Utility Model Application Publication No. 158277/1982. In Figure 7, (1) is a compressor, (2) is an outdoor heat exchanger (condenser), (3) is a capillary tube for pressure reduction, (4) is an indoor heat exchanger (evaporator), and (5) is This is an accumulator, and these are sequentially connected by refrigerant piping (6) to form a refrigeration cycle. (7) is a distributor that distributes refrigerant to multiple refrigerant flow paths of the indoor heat exchanger (evaporator) (4);
(8) is a distribution pipe. Also, in Figure 6 (9)
is an orifice that constricts the refrigerant flow path, and (IQ) is a gas-liquid mixing chamber.
次に動作について説明する。圧縮機(1)により圧縮さ
れ吐出された高温高圧のガス冷媒は室外熱交換器(2)
を通る間に室外空気と熱交換することにより凝縮され高
圧の液冷媒となる。次いで減圧用毛細管(3)を通る過
程で急激に減圧され膨張し低圧の気液二相冷媒となり9
分配器(7)及び分配管(8)により分配され室内熱交
換(4)のぞれぞれの冷媒流路に送られ、室内空気と熱
交換することにより蒸発し低圧のガス冷媒となる。この
低圧のガス冷媒はアキュムレータ(5)を経て圧縮機(
1)に吸入され再び圧縮され吐出され前記と同様の動作
を(り返し行う冷凍サイクルを構成する。Next, the operation will be explained. The high temperature and high pressure gas refrigerant compressed and discharged by the compressor (1) is transferred to the outdoor heat exchanger (2).
While passing through the refrigerant, it exchanges heat with outdoor air and condenses into a high-pressure liquid refrigerant. Then, as it passes through the decompression capillary (3), it is rapidly decompressed and expands, becoming a low-pressure gas-liquid two-phase refrigerant 9
The refrigerant is distributed by the distributor (7) and the distribution pipe (8) and sent to each refrigerant flow path of the indoor heat exchanger (4), where it evaporates and becomes a low-pressure gas refrigerant by exchanging heat with the indoor air. This low pressure gas refrigerant passes through the accumulator (5) and the compressor (
1), is compressed again, and is discharged, forming a refrigeration cycle in which the same operation as described above is performed (repeatedly).
この冷凍サイクルにおいて1分配器(7)は低圧の気液
二相冷媒を液部が偏流することなく均等に分配するため
まずオリフィス(9)により縮流させ次いて気液混合室
(11)に放出し、気液二相冷媒のガス部と液部を均一
に混合させ分配管(8)に導出し1分配を均一に行うも
のである。In this refrigeration cycle, one distributor (7) first constricts the low-pressure gas-liquid two-phase refrigerant through an orifice (9) and then flows it into the gas-liquid mixing chamber (11) in order to evenly distribute the low-pressure gas-liquid two-phase refrigerant without causing any drift in the liquid part. The gas and liquid parts of the gas-liquid two-phase refrigerant are discharged, mixed uniformly, and led out to the distribution pipe (8) for uniform distribution.
従来の分配器は2以上のように構成されているため 空
調機の始動時には分配器には一時的にガス冷媒を多く含
んだ気液二相冷媒が供給されるため液滴中のガス冷媒が
オリフィスを通過中に急激に膨張し、いわゆるキャビテ
ーション気泡となって混合室内へ流入した時、混合室内
の壁面に衝突し破裂するため衝撃音を発生するという問
題点があった。Conventional distributors are configured with two or more units, so when the air conditioner is started, gas-liquid two-phase refrigerant containing a large amount of gas refrigerant is temporarily supplied to the distributor, so the gas refrigerant in the droplets is There is a problem in that when passing through an orifice, the bubbles rapidly expand and become so-called cavitation bubbles that flow into the mixing chamber, colliding with the wall surface of the mixing chamber and bursting, producing an impact sound.
二の発明は上記のような問題を解消するためになされた
ものであり、空調機の始動時にも、冷媒の衝撃音を発生
しない静粛なる分配器を得ることを目的とする。The second invention was made to solve the above-mentioned problems, and aims to provide a quiet distributor that does not generate refrigerant impact noise even when an air conditioner is started.
この発明による空気調和装置の分配器は圧縮機とす縮器
と減圧装置と蒸発器を有する冷媒回路の前記減圧装置と
前記蒸発器の間に設けられ入口より順に冷媒の流れの方
向に断面積が徐々に減少する縮流部、冷媒の流れを増速
する増速部、気液を混合する第1の気液混合室、冷媒液
温を細粒化する細粒化手段、さらに均一に気液を混合す
る第2の気itk混合室1分配管が接続される分配穴を
備えたものである。The distributor of the air conditioner according to the present invention is provided between the pressure reducing device and the evaporator of a refrigerant circuit having a compressor, a condenser, a pressure reducing device, and an evaporator, and has a cross-sectional area in the direction of refrigerant flow from the inlet. a condenser section where the flow of refrigerant gradually decreases, an accelerating section where the refrigerant flow is increased in speed, a first gas-liquid mixing chamber where the gas and liquid are mixed, a particle refining means which makes the temperature of the refrigerant fine, The second mixing chamber for mixing liquids is equipped with a distribution hole to which a one-part pipe is connected.
この発明による分配器は、流入する気液二相冷媒を縮流
部に通すことにより、急激な圧力降下を生じることなく
、キャビテーション気泡の発生を抑制することにより気
泡の破裂による衝撃音が低減する。The distributor according to the present invention allows the inflowing gas-liquid two-phase refrigerant to pass through the condenser section, thereby suppressing the generation of cavitation bubbles without causing a sudden pressure drop, thereby reducing the impact noise caused by the bursting of bubbles. .
以−ドこの発明の一実施例を図について説明する第1図
において、(6)は冷媒配管、(7)は分配器、(8)
は分配管であり蒸発器の複数流路に連結される。In FIG. 1, which explains one embodiment of the present invention with reference to the drawings, (6) is a refrigerant pipe, (7) is a distributor, and (8) is a refrigerant pipe.
is a distribution pipe and is connected to multiple channels of the evaporator.
(9)は縮流部である円錐形オリフィス、気液二相冷媒
の流速を徐々に増大させながら、つまり圧力を徐々に減
少させながら増速部である平板オリフィス(10)に導
く、平板オリフィス(10)の出口には第1の気液混合
室(11)、細粒化手段である金網(12)第2の気液
混合室(13)が配設されており、気液二相の混合を促
進して分配穴(I5)に接続された分配管(8)より蒸
発器(I4)へと送出される。(9) is a conical orifice which is a condensation part, and a flat plate orifice which gradually increases the flow velocity of the gas-liquid two-phase refrigerant, that is, gradually decreases the pressure, and guides it to the flat plate orifice (10) which is a speed increasing part. At the outlet of (10), a first gas-liquid mixing chamber (11), a wire mesh (12) which is a particle refining means, and a second gas-liquid mixing chamber (13) are arranged, and a gas-liquid two-phase mixture is provided. Mixing is promoted and the mixture is sent to the evaporator (I4) through the distribution pipe (8) connected to the distribution hole (I5).
なお 冷凍サイクルの構成は従来例と同様であるので説
明は省略する。Note that the configuration of the refrigeration cycle is the same as that of the conventional example, so a description thereof will be omitted.
冷凍サイクルの動作は従来と同様であるのでその説明は
省略し2分配器の作用について説明する第1図において
、冷媒配管(6)より気液二相冷媒が分配器(7)の中
の円錐形オリフィス(9)に流入する。円錐形オリフィ
スは気液二相冷媒の流速を徐々に増加させることにより
急激な圧力降下を防1トしている1円錐形オリフィス(
9)の出口には平板オリフィス(10)が配置されここ
で流速を最大値とし気液二相冷媒の気体部及び液体部の
流速の差を最小値として第1の気液混合室(11)に送
出することにより拡散させ気液を混合する。さらに比較
的太き「Iの液滴は金網(12)で細粒化され第2の気
液混合室(13)に送られる。ここでさらに均一に混合
された気液二二、相冷媒は分配穴(15)に接続された
分配管(8)により、均等に分配され蒸発器(14)の
各流路に送られる。The operation of the refrigeration cycle is the same as the conventional one, so its explanation will be omitted. In Fig. 1, which explains the function of the two-distributor, gas-liquid two-phase refrigerant is transferred from the refrigerant pipe (6) to the conical cone in the distributor (7). into the shaped orifice (9). The conical orifice prevents a sudden pressure drop by gradually increasing the flow rate of the gas-liquid two-phase refrigerant.
A flat plate orifice (10) is arranged at the outlet of the gas-liquid mixing chamber (11), where the flow velocity is set to the maximum value and the difference between the flow velocity of the gas part and the liquid part of the gas-liquid two-phase refrigerant is set to the minimum value. The gas and liquid are mixed by being diffused by sending the gas to the air. Furthermore, the relatively thick droplets of "I" are finely divided by a wire mesh (12) and sent to the second gas-liquid mixing chamber (13). A distribution pipe (8) connected to the distribution hole (15) distributes the liquid evenly and sends it to each channel of the evaporator (14).
以トが分配作用についての説明であるがさらに冷媒気泡
の衝撃音の減音作用について説明する。The distribution effect has been explained above, and the effect of reducing the impact sound of refrigerant bubbles will be further explained.
冷媒気泡による衝撃音は主として冷凍サイクルの始動時
に発生するものであり急激に圧力が降下する箇所で、冷
媒が急激に蒸発し始め気泡が発生成長し、それが壁面に
当たり破裂する時にその衝撃が音となって伝播する。い
わゆるキャビテーション気泡の破裂による衝撃音である
。分配器について言えばオリフィスを通過する時の急縮
少流れの中での圧力降下時にキャビテーション気泡が発
Qg、成長し気液混合室内の壁面に当たり破裂する時に
衝撃音となる。この衝撃音は周囲に液冷媒が多い程液に
よる減衰効果が大きく音としては小さくなる。冷凍サイ
クル始動時に大きな音となって生じるのは周囲に液冷媒
が少なく液滴中の気泡の破裂による衝撃音が気液混合室
内を比較的自由に伝播するためである。The impact noise caused by refrigerant bubbles is mainly generated when the refrigeration cycle starts.At a point where the pressure suddenly drops, the refrigerant begins to evaporate rapidly, forming and growing bubbles.When the bubbles hit the wall and burst, the impact noise is generated. It becomes and spreads. This is the impact sound caused by the bursting of so-called cavitation bubbles. Regarding the distributor, cavitation bubbles are generated Qg during the pressure drop in the rapidly decreasing flow when passing through the orifice, grow, and when they hit the wall surface of the gas-liquid mixing chamber and burst, an impact sound is produced. The more liquid refrigerant there is in the surrounding area, the greater the damping effect of the liquid, and the smaller the impact sound becomes. The reason why a loud noise is generated when the refrigeration cycle is started is because there is little liquid refrigerant in the surrounding area, and the impact noise caused by the bursting of bubbles in the droplets propagates relatively freely within the gas-liquid mixing chamber.
このような冷凍サイクル始動時においても一ヒ記の衝撃
音を減少させるために平板オリフィスの板厚、気液混合
室の流れ方向の長さを変化させ始動時において音の主成
分である5XIIZ以りのオーバーオール騒音値を実測
した結果が第3図である。第2図において、Ql、σ、
はそれぞれ平板オリフィスの板厚(mm)、第1及び第
2の気液混合室の流れ方向の長さ(fflffl)であ
り、+ D、、 D、はそれぞれ平板オリフィスの流出
口径、気液混合室の内径(φ1)である。5゜+7.以
上のオーバーオール騒音値を実測した結果′カラ Q、
/D、 ≦ 0.05
)0./D、≦010
という条件の時始動時の衝撃音が最も小さくなることが
判明した。In order to reduce the impact noise mentioned above at the time of starting such a refrigeration cycle, the plate thickness of the flat plate orifice and the length of the gas-liquid mixing chamber in the flow direction are changed to reduce the impact noise from 5XIIZ, which is the main component of the sound at the time of start-up. Figure 3 shows the results of actual measurements of overall noise values. In Figure 2, Ql, σ,
are the plate thickness (mm) of the flat plate orifice and the length (fffffl) of the first and second gas-liquid mixing chambers in the flow direction, respectively, and +D, , D are the outlet diameter of the flat plate orifice and the gas-liquid mixing chamber, respectively. This is the inner diameter (φ1) of the chamber. 5°+7. As a result of actually measuring the above overall noise values,
/D, ≦0.05)0. It was found that the impact noise at startup was the smallest under the condition of /D, ≦010.
なお、上記実施例では円錐形オリフィスと気泡混合室の
間に金網を用いたが、連続気泡の発泡体を用いても同様
の効果をする。In the above embodiment, a wire mesh was used between the conical orifice and the bubble mixing chamber, but the same effect can be obtained by using an open-cell foam.
また、−上記実施例では、平板オリフィス(10)を中
晶部品として示]−だが、第4図で示すように縮流部(
9)と一体構成とした縮流部(9,、)としてもよい。Moreover, in the above embodiment, the flat plate orifice (10) is shown as a medium crystal part], but as shown in FIG.
It is also possible to form a contracted flow section (9,,) integrally configured with the flow contraction section (9, 9).
さらに金網(12)は1−記実施例においても位置決め
及び取付は用の座が必要であるので、第5図で;I<す
ように位置決め及び取付は用の座(14)より甲板オリ
フィス(10)を一体構成し、金網(+2.)としても
よい。Furthermore, since the wire mesh (12) requires a seat for positioning and mounting even in the embodiment described in 1-1, the positioning and mounting is performed from the seat (14) to the deck orifice ( 10) may be integrally configured and may be a wire mesh (+2.).
この発明によれば圧縮機と凝縮器と減圧装置と蒸発器を
有する冷媒回路の前記減圧装置と前記蒸発器の間に設け
られ人[1より順に冷媒の流れ方向に断面積か徐々に減
少する縮流部、冷媒の流れを増速する増速部、気液を混
合する第1の気液混合室、冷媒液滴を細粒化する細粒化
手段、さらに均一に気液を混合する第2の気液混合室1
分配管が接続される分配穴を備えた構成にしたので空気
調和機の始動時におけるキャビテーンヨン気泡の破裂に
よる衝撃音を減少させることができ静iMな空気調和機
の分配器が得られるという効果を奏するAccording to the present invention, a refrigerant circuit having a compressor, a condenser, a pressure reducing device, and an evaporator is provided between the pressure reducing device and the evaporator. a condenser section, a speed-increasing section for accelerating the flow of refrigerant, a first gas-liquid mixing chamber for mixing gas and liquid, a refining means for refining refrigerant droplets, and a first gas-liquid mixing chamber for evenly mixing gas and liquid. 2 gas-liquid mixing chamber 1
Since the structure is equipped with a distribution hole to which the distribution pipe is connected, it is possible to reduce the impact noise caused by the bursting of cavitane bubbles when starting the air conditioner, and to obtain a quiet air conditioner distributor. be effective
第1図はこの発明による空気1週和機の分配器の縦断面
図、第2図は同各部寸法の符号の説明は1第3図は同騒
音の実測データを示す図、第4図はこの発明の他の実施
例を示す部分断面図、第5図はこの発明のさらに他の実
施例を示す部分断面図第6図は従来の空気調和機の分配
器の縦断面図。
第7図は空気調和機の冷媒回路図である。
図において、(1)は圧縮機、(2)は凝縮器、(3)
は減圧装置、(4)は;に発器、(7)は分配器、(8
)は分配管。
(9)は円錐形オリフィス、(10)は平板オリフィス
。
(11)は第1の気液混合室、 (+2)は金網、 (
13)は第2の気液混合室、 (15)は分配穴である
。
なお、各図中、同一符号は同一または相当部分を示す。Fig. 1 is a vertical cross-sectional view of the distributor of the air conditioning machine according to the present invention, Fig. 2 is an explanation of the symbols of the dimensions of each part, Fig. 3 is a diagram showing the actual measurement data of the same noise, and Fig. 4 is FIG. 5 is a partial cross-sectional view showing still another embodiment of the present invention; FIG. 6 is a vertical cross-sectional view of a conventional air conditioner distributor. FIG. 7 is a refrigerant circuit diagram of the air conditioner. In the figure, (1) is the compressor, (2) is the condenser, and (3)
is a pressure reducing device, (4) is a generator, (7) is a distributor, (8
) is a distribution pipe. (9) is a conical orifice, and (10) is a flat orifice. (11) is the first gas-liquid mixing chamber, (+2) is a wire mesh, (
13) is a second gas-liquid mixing chamber, and (15) is a distribution hole. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
の前記減圧装置と前記蒸発器の間に設けられ入口より順
に冷媒の流れの方向に断面積が徐々に減少する縮流部、
冷媒の流れを増速する増速部、気液を混合する第1の気
液混合室、冷媒液滴を細粒化する細粒化手段、さらに均
一に気液を混合する第2の気液混合室、分配管が接続さ
れる分配穴を備えた空気調和機の分配器。a condenser section, which is provided between the pressure reduction device and the evaporator of a refrigerant circuit having a compressor, a condenser, a pressure reduction device, and an evaporator, and whose cross-sectional area gradually decreases in the direction of refrigerant flow from the inlet;
A speed-increasing section that speeds up the flow of refrigerant, a first gas-liquid mixing chamber that mixes gas and liquid, a refining means that refines refrigerant droplets, and a second gas-liquid that further uniformly mixes gas and liquid. Air conditioner distributor with mixing chamber and distribution holes to which distribution pipes are connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63167323A JPH0781761B2 (en) | 1988-07-05 | 1988-07-05 | Air conditioner distributor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63167323A JPH0781761B2 (en) | 1988-07-05 | 1988-07-05 | Air conditioner distributor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0217368A true JPH0217368A (en) | 1990-01-22 |
JPH0781761B2 JPH0781761B2 (en) | 1995-09-06 |
Family
ID=15847618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63167323A Expired - Lifetime JPH0781761B2 (en) | 1988-07-05 | 1988-07-05 | Air conditioner distributor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0781761B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1087191A1 (en) | 1999-09-22 | 2001-03-28 | Mitsubishi Denki Kabushiki Kaisha | A refrigerant distributor and a method and an apparatus for fabricating the same |
AU2002300117B2 (en) * | 2002-03-28 | 2004-06-10 | Mitsubishi Denki Kabushiki Kaisha | Refrigerant distributor and air conditioner using the same |
JP2007115902A (en) * | 2005-10-20 | 2007-05-10 | Canon Inc | Field effect transistor using amorphous oxide, and display device using the transistor |
JP2011017527A (en) * | 2009-06-12 | 2011-01-27 | Daikin Industries Ltd | Flow divider, expansion valve including the flow divider and refrigerating device including the expansion valve |
CN107084557A (en) * | 2017-06-14 | 2017-08-22 | 珠海格力电器股份有限公司 | Knockout and have its refrigerating system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101476440B1 (en) * | 2008-02-18 | 2014-12-24 | 엘지전자 주식회사 | Distributor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5841457U (en) * | 1981-09-14 | 1983-03-18 | 株式会社日立製作所 | Refrigerant distribution mechanism |
JPS5980665U (en) * | 1982-11-25 | 1984-05-31 | 三菱電機株式会社 | air conditioner distributor |
-
1988
- 1988-07-05 JP JP63167323A patent/JPH0781761B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5841457U (en) * | 1981-09-14 | 1983-03-18 | 株式会社日立製作所 | Refrigerant distribution mechanism |
JPS5980665U (en) * | 1982-11-25 | 1984-05-31 | 三菱電機株式会社 | air conditioner distributor |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1087191A1 (en) | 1999-09-22 | 2001-03-28 | Mitsubishi Denki Kabushiki Kaisha | A refrigerant distributor and a method and an apparatus for fabricating the same |
AU2002300117B2 (en) * | 2002-03-28 | 2004-06-10 | Mitsubishi Denki Kabushiki Kaisha | Refrigerant distributor and air conditioner using the same |
JP2007115902A (en) * | 2005-10-20 | 2007-05-10 | Canon Inc | Field effect transistor using amorphous oxide, and display device using the transistor |
JP2011017527A (en) * | 2009-06-12 | 2011-01-27 | Daikin Industries Ltd | Flow divider, expansion valve including the flow divider and refrigerating device including the expansion valve |
CN107084557A (en) * | 2017-06-14 | 2017-08-22 | 珠海格力电器股份有限公司 | Knockout and have its refrigerating system |
Also Published As
Publication number | Publication date |
---|---|
JPH0781761B2 (en) | 1995-09-06 |
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