JPH045486A - Closed compressor - Google Patents
Closed compressorInfo
- Publication number
- JPH045486A JPH045486A JP10721690A JP10721690A JPH045486A JP H045486 A JPH045486 A JP H045486A JP 10721690 A JP10721690 A JP 10721690A JP 10721690 A JP10721690 A JP 10721690A JP H045486 A JPH045486 A JP H045486A
- Authority
- JP
- Japan
- Prior art keywords
- container
- connector
- engineering plastic
- pipe
- compressor
- 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.)
- Pending
Links
- 229920006351 engineering plastic Polymers 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- -1 polybutylene terephthalate Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は冷蔵庫や冷凍ショーケース等に使用される密閉
型圧縮機に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a hermetic compressor used in refrigerators, freezer showcases, and the like.
（ロ）従来の技術
従来、この種の密閉型圧縮機は特公昭６２−３０３１１
号公報等に記載されているように、密閉容器内に電動機
部と圧縮機部を収納し、これら両機部を回転軸にて連結
すると共に、前記圧縮機部のシリンダの開口をバルブプ
レート及びシリンダヘッドで閉塞して構成される。ここ
で、密閉容器は通常４〜５ ｋ ｇ ／’ ｃ ｍ ’
の内圧が加わる圧力容器であるため、−船釣に鋼板の深
絞り加工にて成形された一肘のカップ状容器の溶接によ
り形成さｊしている。また、密閉容器内へ冷媒を給排気
する吸入管成るいは吐出管は、鋼管や鋼管にて形成され
て密閉容器にロー付けにより接合されている。(b) Conventional technology Conventionally, this type of hermetic compressor was
As described in the publication, an electric motor section and a compressor section are housed in a sealed container, these two sections are connected by a rotating shaft, and the opening of the cylinder of the compressor section is connected to a valve plate and a cylinder. It is closed by the head. Here, the airtight container usually has a weight of 4 to 5 kg/'cm'
Since it is a pressure vessel to which an internal pressure of 100% is applied, it is formed by welding a one-armed cup-shaped vessel formed by deep drawing of a steel plate. Further, a suction pipe or a discharge pipe for supplying and discharging refrigerant into the sealed container is formed of a steel pipe or a steel pipe, and is joined to the sealed container by brazing.
（ハ）発明が解決しようとする課題
しかしながら」二組の構成によると、吸入管や吐出管、
及び密閉容器は共に金属製であって溶接により接合され
ているため、以下のような問題がある。吸入室の容器と
の接合部は、容器の熱で１００℃以上に加熱されている
ため、容器の近傍まで低温状態で流れてくる吸入ガスは
、この接合部で一気に加熱され、濃度が希薄化してシリ
ンダ内へ流入されるため、体積効率が低下する。また、
吐出管内には１５０℃を越える高温のガスが流れており
、該吐出管と容器の接合部ではこの高熱が容器に直接伝
わって該容器が更に加熱され悪循環となる。容器に形成
される配管用の穴は管径に応じて一義的に決まってしま
うため、異種容量で管径が変わるものに対しては柔軟な
対応ができない。(C) Problems to be Solved by the Invention However, according to the two sets of configurations, the suction pipe, the discharge pipe,
Since both the container and the sealed container are made of metal and joined by welding, there are the following problems. The joint between the suction chamber and the container is heated to over 100°C by the heat of the container, so the inhalation gas that flows near the container at a low temperature is heated all at once at this joint, diluting its concentration. Since the gas flows into the cylinder, the volumetric efficiency decreases. Also,
Gas with a temperature exceeding 150° C. flows inside the discharge pipe, and at the joint between the discharge pipe and the container, this high heat is directly transmitted to the container, further heating the container, creating a vicious cycle. Since the piping holes formed in the container are uniquely determined according to the pipe diameter, it is not possible to respond flexibly to pipe diameters that vary with different capacities.
本発明は斯る点に鑑みなされたものであり、吐出ガスに
よる密閉容器の加熱や、容器の高熱による吸入管の加熱
を抑制し、吸入ガスの加熱やこれによる希薄化を防止し
、シリンダ内に密度の濃いガスを供給して体積効率を向
上することを目的とする。The present invention was developed in view of these points, and suppresses the heating of the closed container caused by the discharge gas and the heating of the suction pipe due to the high temperature of the container, prevents the heating of the suction gas and its dilution, and improves the temperature inside the cylinder. The aim is to improve volumetric efficiency by supplying dense gas to the
（ニ）課題を解決するための手段
本発明は、密閉容器内に電動機部と圧縮機部を収納して
なるものにおいて、前記密閉容器にエンジニアリングプ
ラスチツクからなるコネクタを設け、このコネクタに配
管を接続したものである。(d) Means for Solving the Problems The present invention has an electric motor section and a compressor section housed in a sealed container, in which a connector made of engineering plastic is provided in the sealed container, and piping is connected to this connector. This is what I did.
また、密閉容器もエンジニアリングプラスチックにで形
成したものである。The airtight container is also made of engineering plastic.
（ホ）作用
本発明の密閉型圧縮機は上記の構成により、吸入管と密
閉容器との接合部がエンジニアリングプラスチック製の
コネクタとなるため、密閉容器の１００℃以上の熱は前
記コネクタで断熱され、吸入管に直に伝！つるのを防ぐ
ことができ、容器の近傍まで低温状態で流れてくる吸入
ガスを、容器の熟で加熱されることなく濃度の濃い状態
のままシノンダ内−＋ｍ人させることができ、体積効率
を向上できる。また、吐出管内には１５０℃を越える高
温のガスが流れているが、該吐出管と容器の接合部とな
るコネクタもエンジニアリングプラスチ、／り製である
ため、この高熱が容器に伝ノつるのを断熱することがで
き、密閉容器の高温化を抑制して上述した吸入ガスの低
温化を助長できる。更に容器に形成されるコネクタ固着
用の穴径は一定としておき、該容器の穴に対応する外径
は同一で、かつ、配管接続用の内径が異なるコネクタを
用意しておくことにより、異種容量の圧縮機に対しても
コネクタを交換するだけで容易対応できる。また、コネ
クタはエンジニアリングプラスチック製であるため、圧
縮機の振動が外部接続配管に伝わるのを抑制することが
でき、配管の共振を防止して機器の騒音を低減できる。(E) Function In the hermetic compressor of the present invention, with the above configuration, the joint between the suction pipe and the hermetic container is an engineering plastic connector, so the heat of 100°C or more in the hermetic container is insulated by the connector. , transmitted directly to the suction pipe! This prevents the suction gas from flowing near the container in a low temperature state, and allows it to flow into the Shinonda in a highly concentrated state without being heated by the container, increasing volumetric efficiency. You can improve. In addition, high-temperature gas exceeding 150°C flows inside the discharge pipe, but the connector that connects the discharge pipe and the container is also made of engineering plastic, so this high heat is not transferred to the container. can be insulated, suppressing the rise in temperature of the closed container and promoting the above-mentioned lowering of the temperature of the intake gas. Furthermore, the diameter of the hole formed in the container for fixing the connector is fixed, and by preparing connectors with the same outer diameter corresponding to the hole in the container and different inner diameters for piping connection, it is possible to handle different capacities. It can be easily adapted to other compressors by simply replacing the connector. Furthermore, since the connector is made of engineering plastic, it is possible to suppress the vibration of the compressor from being transmitted to the externally connected piping, and it is possible to prevent the resonance of the piping and reduce the noise of the equipment.
（・＼）実施例 以下、本発明の実施例を図面に基すいて説明する。(·\)Example Embodiments of the present invention will be described below with reference to the drawings.
１は２つの器体２ａ、２ｂをその合口部で溶接してなる
密閉容器２内に電動機部３と圧縮機部４とからなる１縮
機本体５を収納すると共に前記両機部３，４を回転軸６
にて連結してなる密閉型圧縮機である。前記電動機部３
はステータ７とロータ８とから構成される。前記圧縮機
部４は、前記ステータ７の上面に固着され、シリンダ９
ａを一体形成し、たモーターケース９と、前記シリンダ
９ａ内を往復摺動するボールジヨイント式のピストン１
０と、このピストンと回転軸６のクランクビン１１を連
結するコンロシト１２と、前記シリンダ９ａの開口端面
を閉塞するノくルブプレート１３及ヒシリンダヘソド１
４とから構成される。前記モーターケース９は、上記シ
リンダ９ａの他にステータ７への取付脚１５と、軸受１
６と、密閉容器２との当り部】７とを鋳物にて一体的に
形成している。１８は前記回転軸５に一体的に形成され
たバラン廿−である。１９は前記シリンダへｌド１４の
吸入室側に接続された合成樹脂（ポリブチレンテレフタ
レート）製の吸入消音器である。1 houses a compressor main body 5 consisting of a motor section 3 and a compressor section 4 in an airtight container 2 formed by welding two vessel bodies 2a and 2b at their joints; Rotating shaft 6
This is a hermetic compressor that is connected to the The electric motor section 3
is composed of a stator 7 and a rotor 8. The compressor section 4 is fixed to the upper surface of the stator 7 and has a cylinder 9.
A is integrally formed with a motor case 9, and a ball joint type piston 1 that slides back and forth within the cylinder 9a.
0, a stove 12 that connects the piston and the crank bin 11 of the rotating shaft 6, a knob plate 13 that closes the open end surface of the cylinder 9a, and a cylinder head 1.
It consists of 4. The motor case 9 includes, in addition to the cylinder 9a, a mounting leg 15 to the stator 7 and a bearing 1.
6 and the abutment part 7 for the closed container 2 are integrally formed by casting. A balun 18 is integrally formed with the rotating shaft 5. Reference numeral 19 denotes a suction muffler made of synthetic resin (polybutylene terephthalate) connected to the suction chamber side of the cylinder 14.
而して、前記器体２ａの側壁には穴２０が形成されてお
り、この穴２０には鍔部２１と先端を斜めにカントした
開口部２２と配管接続用溝２３を一体的に有するエンジ
ニアリングプラスチック製の円筒状のコネクタ２４が接
着剤２５にて固着されている９そして、前記開口部２２
と相対向して吸入消音器１９の入口部２６が配置される
。一方前記コネクタ２４の穴２７内には外部冷媒回路に
つながる１及入管２８が挿入され該１及入管のフランジ
２９を前記溝２３に嵌合すると共に、該吸入管２８とコ
ネクタ２４の間を接着剤３０にて接着する３〕とにより
該吸入管はコネクタ２４に固着される。ここで、エンジ
ニアリングプラスチ／りとは引張強度５ ｋ ｇ ／
ｍ ｍ ２以上、長胡耐熱温度１００℃以上の合成樹脂
であるが、本発明にあっては、特に耐冷媒性、剛性に優
れたポリアミドイミド、ポリイミド、アロイ等の材料が
好適である。A hole 20 is formed in the side wall of the container body 2a, and the hole 20 has an engineering hole 20 that integrally has a flange 21, an opening 22 whose tip is canted diagonally, and a pipe connection groove 23. A cylindrical connector 24 made of plastic is fixed with an adhesive 25 9 and the opening 22
The inlet portion 26 of the suction muffler 19 is arranged opposite to the suction muffler 19 . On the other hand, an inlet pipe 28 connected to an external refrigerant circuit is inserted into the hole 27 of the connector 24, and the flange 29 of the inlet pipe is fitted into the groove 23, and the suction pipe 28 and the connector 24 are bonded together. The suction tube is fixed to the connector 24 by adhering with the adhesive 30 (3). Here, engineering plasti/ri has a tensile strength of 5 kg/
The synthetic resin has a heat resistance temperature of 100° C. or more and a heat resistance temperature of 100° C. or more, and in the present invention, materials such as polyamideimide, polyimide, and alloy, which are particularly excellent in refrigerant resistance and rigidity, are suitable.
尚、アロイとは２種以上の高分子材料の混合物で各々の
材料の物性以上の特性を出せるものである。It should be noted that an alloy is a mixture of two or more types of polymeric materials that can exhibit properties that exceed the physical properties of each material.
このように構成された密閉型圧縮機において、吸入管２
８は、エンジニアリングプラスチック製のコネクタ２４
を介して密閉容器２に固着されているため、密閉容器２
の１００℃以上の熱は前記コネクタ２４で断熱され、吸
入管２８に直に伝わるのを防ぐことができ、容器２の近
傍まで低温状態で流れてくる吸入ガスを、容器２の熱で
加熱されることなく濃度の濃い状態のままシリンダ９ａ
内へ流入させることができ、体積効率を向十できる。In the hermetic compressor configured in this way, the suction pipe 2
8 is a connector 24 made of engineering plastic
Since it is fixed to the airtight container 2 through the airtight container 2,
The heat of 100°C or more is insulated by the connector 24 and can be prevented from directly transmitting to the suction pipe 28, and the suction gas flowing near the container 2 in a low temperature state is heated by the heat of the container 2. Cylinder 9a remains in a high concentration state without
The volumetric efficiency can be improved.
また、第３図のように密閉容器２に固着される吐出管３
１も同様にエンジニアリングプラスチ、ンク製のコネク
タ３２を介して固着し、該コネクタ３２にて吐出消音器
３３に接続するように構成することにより、吐出管３１
の高熱が容器２に伝わるのを断熱することができ、密閉
容器２の高温化を抑制して上述した吸入ガスの低温化を
助長できる。ここで、コネクタ３２に吐出消音器３３の
接続管３４も一体にエンジニアリングプラスチックで形
成することにより、断熱効果を高められる。Additionally, a discharge pipe 3 fixed to the closed container 2 as shown in FIG.
1 is similarly fixed via a connector 32 made of engineering plastic, and the discharge pipe 31 is configured to be connected to the discharge silencer 33 through the connector 32.
It is possible to insulate the high heat from being transmitted to the container 2, suppress the rise in temperature of the closed container 2, and promote the above-mentioned lowering of the temperature of the intake gas. Here, by integrally forming the connecting pipe 34 of the discharge muffler 33 with the connector 32 from engineering plastic, the heat insulation effect can be enhanced.
更に、容器２ａに形成されるコネクタ２４固着用の穴２
０の径は一定としておき、該容器の穴２０に対応する外
径は同一で、かつ、配管２８，３１接続用の穴２７．３
５径が異なるコネクタ２４３２を用意しておくことによ
り、異種容量の圧縮機に対してもコネクタ２４．３２を
交換するだけで容易対応できる。また、コネクタ２４．
３２はエンジニアリングプラスチック製であるため、圧
縮機の振動が外部接続配管２８．３１に伝わるのを抑制
することができ、配管の共振を防止して機器の騒音を低
減できる。Furthermore, a hole 2 for fixing the connector 24 is formed in the container 2a.
0 is constant, the outer diameter corresponding to the hole 20 of the container is the same, and the hole 27.3 for connecting the pipes 28 and 31 is the same.
By preparing connectors 2432 with five different diameters, compressors with different capacities can be easily accommodated by simply replacing the connectors 24, 32. Also, the connector 24.
Since 32 is made of engineering plastic, it is possible to suppress the vibration of the compressor from being transmitted to the external connection pipes 28 and 31, and it is possible to prevent the resonance of the pipes and reduce the noise of the equipment.
また、第４図は他の実施例を示し、密閉容器２をエンジ
ニアリングプラスチックにて形成すると共に、この容器
にコネクタ３６を一体形成し、このコネクタに外部接続
管３７を接続するようにしたものであり、この場合には
密閉容器２の固有振動数を低く成し圧縮機の内部振動に
共振し難くすると共に、該容器の減衰率を早くすること
ができるため、圧縮機の騒音を低減できる。また、密閉
容器２がエンジニアリングプラスチック製であることか
ら、防錆のための塗装作業や仕上げ研摩加工等の後加工
を不要とすることができ、生産性を向上できる。FIG. 4 shows another embodiment in which the sealed container 2 is made of engineering plastic, a connector 36 is integrally formed on this container, and an external connecting pipe 37 is connected to this connector. In this case, the natural frequency of the closed container 2 can be made low to make it difficult to resonate with the internal vibrations of the compressor, and the damping rate of the container can be made faster, so that the noise of the compressor can be reduced. Moreover, since the closed container 2 is made of engineering plastic, post-processing such as painting for rust prevention and finishing polishing can be eliminated, and productivity can be improved.
（ト）発明の効果
以上のように本発明によれば、吸入管と密閉容器との接
合部がエンジニアリングプラスチック製のコネクタとな
るため、密閉容器の１００℃以上の熱は前記コネクタで
断熱され、吸入管に直に伝わるのを防ぐことができ、容
器の近傍まで低温状態で流れてくる吸入ガスを、容器の
熱ｒ加熱されることなく濃度の濃い状態のままシリンダ
内へ流入させることができ、体積効率を向上できる。ま
た、吐出管内には１５０℃を越える高温のガスが流れて
いるが、該吐出管と容器の接合部となるコネクタもエン
ジニアリングプラスチック製であるため、この高熱が容
器に伝わるのを断熱することができ、密閉容器の高温化
を抑制して上述した吸入ガスの低温化を助長できる。更
に容器に形成されるコイ・フタ固着用の穴径は一定とし
ておき、該容器の穴に対応する外径は同一で、かつ、配
管接続用の内径が異なるコネクタを用意しておくことに
より、異種容量の圧縮機に対してもコネクタを交換する
だけで容易対応できる。また、コネクタはエンジニアリ
ングプラスチック製であるため、圧縮機の振動が外部接
続配管に伝わるのを抑制することができ、配管の共振を
防止して機器の騒音を低減できる。(G) Effects of the Invention As described above, according to the present invention, since the joint between the suction pipe and the sealed container is a connector made of engineering plastic, the heat of 100°C or more in the sealed container is insulated by the connector, This prevents the suction gas from being directly transmitted to the suction pipe, and allows the suction gas flowing near the container in a low temperature state to flow into the cylinder in a highly concentrated state without being heated by the heat of the container. , volumetric efficiency can be improved. In addition, high-temperature gas exceeding 150°C flows inside the discharge pipe, and since the connector that connects the discharge pipe and the container is also made of engineering plastic, it is difficult to insulate this high heat from being transmitted to the container. This can suppress the rise in temperature of the closed container and help lower the temperature of the intake gas mentioned above. Furthermore, by keeping the diameter of the hole formed in the container for fixing the carp and lid constant, and preparing connectors with the same outer diameter corresponding to the hole in the container and different inner diameters for piping connection, Compatible with compressors of different capacities by simply replacing the connector. Furthermore, since the connector is made of engineering plastic, it is possible to suppress the vibration of the compressor from being transmitted to the externally connected piping, and it is possible to prevent the resonance of the piping and reduce the noise of the equipment.
第１図は本発明の実施例を示す密閉型圧縮機の縦断面図
、第２図は第１図に示した圧縮機の配管接続部の断面図
、第３図は吐出管接続部を示す断面図、第４図は他の実
施例を示す配管接続部の断面図である。
２・・・密閉容器、２ａ、２ｂ・・容器、２０・・・穴
、２４．３２．３６・・・コネクタ、２８・・・吸入管
、３１・・・吐出管。
第３図
第
図
第２図
第４
図Fig. 1 is a longitudinal cross-sectional view of a hermetic compressor showing an embodiment of the present invention, Fig. 2 is a cross-sectional view of the piping connection part of the compressor shown in Fig. 1, and Fig. 3 shows the discharge pipe connection part. Cross-sectional view, FIG. 4 is a cross-sectional view of a piping connection part showing another embodiment. 2... Airtight container, 2a, 2b... Container, 20... Hole, 24.32.36... Connector, 28... Suction pipe, 31... Discharge pipe. Figure 3 Figure 2 Figure 4
Claims (2)
ものにおいて、前記密閉容器にエンジニアリングプラス
チックからなるコネクタを設け、このコネクタに配管を
接続したことを特徴とする密閉型圧縮機。(1) A hermetic compressor in which a motor part and a compressor part are housed in a hermetically sealed container, characterized in that the hermetic container is provided with a connector made of engineering plastic, and piping is connected to this connector.
成したことを特徴とする請求項１記載の密閉型圧縮機。(2) The hermetic compressor according to claim 1, wherein the hermetic container is made of engineering plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10721690A JPH045486A (en) | 1990-04-23 | 1990-04-23 | Closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10721690A JPH045486A (en) | 1990-04-23 | 1990-04-23 | Closed compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045486A true JPH045486A (en) | 1992-01-09 |
Family
ID=14453434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10721690A Pending JPH045486A (en) | 1990-04-23 | 1990-04-23 | Closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045486A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000192884A (en) * | 1998-12-25 | 2000-07-11 | Matsushita Refrig Co Ltd | Enclosed type electric compressor |
| CN1061482C (en) * | 1995-10-30 | 2001-01-31 | 株式会社日立制作所 | Hermetic compressor |
| JP2005076567A (en) * | 2003-09-02 | 2005-03-24 | Toyota Industries Corp | Compressor |
| JP2008255918A (en) * | 2007-04-06 | 2008-10-23 | Matsushita Electric Ind Co Ltd | Hermetic compressor |
| WO2021111853A1 (en) * | 2019-12-06 | 2021-06-10 | ダイキン工業株式会社 | Compressor and compressor unit |
-
1990
- 1990-04-23 JP JP10721690A patent/JPH045486A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061482C (en) * | 1995-10-30 | 2001-01-31 | 株式会社日立制作所 | Hermetic compressor |
| JP2000192884A (en) * | 1998-12-25 | 2000-07-11 | Matsushita Refrig Co Ltd | Enclosed type electric compressor |
| JP2005076567A (en) * | 2003-09-02 | 2005-03-24 | Toyota Industries Corp | Compressor |
| JP2008255918A (en) * | 2007-04-06 | 2008-10-23 | Matsushita Electric Ind Co Ltd | Hermetic compressor |
| WO2021111853A1 (en) * | 2019-12-06 | 2021-06-10 | ダイキン工業株式会社 | Compressor and compressor unit |
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