JP2018184855A - Compressor and device equipped with compressor - Google Patents

Compressor and device equipped with compressor Download PDF

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JP2018184855A
JP2018184855A JP2017085782A JP2017085782A JP2018184855A JP 2018184855 A JP2018184855 A JP 2018184855A JP 2017085782 A JP2017085782 A JP 2017085782A JP 2017085782 A JP2017085782 A JP 2017085782A JP 2018184855 A JP2018184855 A JP 2018184855A
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cover
terminal
protector
abnormality notification
attached
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JP6899511B2 (en
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大沼　敦
Atsushi Onuma
敦 大沼
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Hitachi Appliances Inc
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Hitachi Appliances Inc
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Abstract

PROBLEM TO BE SOLVED: To assist a worker to attach a protector and a cover normally.SOLUTION: A compressor has: a glass terminal having multiple terminals; a protector; a cover which may be assembled to the protector; and a terminal cover disposed between the protector and the cover and attached to the multiple terminals. The compressor has an abnormality notification projection or an abnormality notification wall which contacts with the terminal cover to inhibit assembly when a worker tries to assemble the protector and the cover in a state that the terminal cover is attached to parts of the terminals.SELECTED DRAWING: Figure 6

Description

本発明は圧縮機及び圧縮機を搭載した機器に関する。   The present invention relates to a compressor and a device equipped with the compressor.

圧縮機の電装品保護装置として、特許文献１が知られている。冷凍サイクル用圧縮機では、ＰＴＣ（起動リレー）や、加熱して所定温度となると電流を遮断するモータプロテクタなどの電装品１０７が設けられていて、これらの電装品１０７はごみよけや防火、防水、外部からの衝撃保護、感電防止などの目的で電装品カバー１０３により覆われている。電装品カバー１０３はブラケット１０２に挿入されて、取付けられる（段落００２７，００３３等）。   Patent Document 1 is known as an electrical component protection device for a compressor. The compressor for a refrigeration cycle is provided with electrical components 107 such as a PTC (starting relay) and a motor protector that cuts off the current when heated to a predetermined temperature. It is covered with an electrical component cover 103 for the purpose of waterproofing, external impact protection, electric shock prevention, and the like. The electrical component cover 103 is inserted into the bracket 102 and attached (paragraphs 0027, 0033, etc.).

特開２０１２−２３３４５４号公報JP 2012-233454 A

特許文献１の構成では、ブラケット１０２に電装品カバー１０３（プロテクター）を係止する組付作業などの製造工程において、挟持部１１３が挿入部１１２を挟み込み、爪部１２３が係止孔１０２ａに係止されたことで、電装品カバー１０３が完全に挿入されたことになる。組付に関わる挿入部１１２や係止孔１０２ａは、完全に挿入されているかに拘らず、カバー１０３に覆われているため、完全に挿入されたか否かを外観から判別することは容易にはできない。   In the configuration of Patent Document 1, in a manufacturing process such as an assembly operation in which the electrical component cover 103 (protector) is locked to the bracket 102, the holding portion 113 holds the insertion portion 112, and the claw portion 123 is engaged with the locking hole 102a. By stopping, the electrical component cover 103 is completely inserted. The insertion portion 112 and the locking hole 102a involved in the assembly are covered by the cover 103 regardless of whether they are completely inserted, so it is easy to determine from the appearance whether or not they are completely inserted. Can not.

上記事情に鑑みた本発明は、複数本の端子を有するガラスターミナルと、プロテクターと、該プロテクターに組付け可能なカバーと、前記プロテクター及び前記カバーの間に配され、前記複数本の端子に取り付けられる端子カバーと、を有する圧縮機であって、前記端子カバーが一部の端子に取り付けられている場合に前記プロテクター及び前記カバーが組付けられようとすると、前記端子カバーに接触して該組付けを阻害する異常報知突起又は異常報知壁を有することを特徴とする。   In view of the above circumstances, the present invention provides a glass terminal having a plurality of terminals, a protector, a cover that can be assembled to the protector, the protector and the cover, and is attached to the plurality of terminals. A compressor having a terminal cover, wherein the protector and the cover come into contact with the terminal cover when the terminal cover is attached to some terminals when the terminal cover is attached to some terminals. It has an abnormality notification projection or an abnormality notification wall that inhibits attachment.

実施例１のカバーを圧縮機のプロテクターに組み付けする前の状態の斜視図The perspective view of the state before attaching the cover of Example 1 to the protector of a compressor. 実施例１の（ａ）プロテクター、（ｂ）カバーを説明する斜視図The perspective view explaining the (a) protector and (b) cover of Example 1. 実施例１のカバーの正面図Front view of the cover of Example 1 実施例１のカバー、端子カバー、及びプロテクターの正常装着状態の分解斜視図FIG. 3 is an exploded perspective view of the cover, the terminal cover, and the protector according to the first embodiment in a normal mounting state. 実施例１のカバー、端子カバー、及びプロテクターの異常装着状態の分解斜視図FIG. 3 is an exploded perspective view of the cover, the terminal cover, and the protector in the abnormal mounting state of the first embodiment. 実施例１のカバー正面図に正常位置の端子カバーを破線で重ねて描いた図The figure which drew the terminal cover of a normal position on the cover front view of Example 1 with the broken line superimposed 実施例１のカバー正面図に異常位置の端子カバーを破線で重ねて描いた図The figure which drew the terminal cover of the abnormal position on the cover front view of Example 1 with a broken line.

本発明の実施例について添付の図面を用いて説明する。説明の便宜のため、互いに直交する上下、前後、及び左右方向という語を用いる。同様の構成要素には同様の符号を付し、同様の説明は繰り返さない。   Embodiments of the present invention will be described with reference to the accompanying drawings. For convenience of explanation, the terms “vertical”, “vertical”, “front / rear”, and “horizontal” are used. Similar components are denoted by the same reference numerals, and the same description will not be repeated.

［プロテクター３］
図１はカバー４を圧縮機１のプロテクター３に組み付けする前の状態の斜視図（端子カバー２０不図示）、図２（a）はプロテクター３の斜視図である。ガラスターミナル２を正面から観察する場合の方向を前方向とする。 [Protector 3]
FIG. 1 is a perspective view of a state before the cover 4 is assembled to the protector 3 of the compressor 1 (terminal cover 20 not shown), and FIG. 2A is a perspective view of the protector 3. FIG. The direction when observing the glass terminal 2 from the front is the forward direction.

プロテクター３は、密閉型圧縮機１の電動要素を起動するためのターミナルの一例としてのガラスターミナル２の近傍に、溶接等により取付けられている。プロテクター３は、取付状態でガラスターミナル２周囲を囲む平坦な主面３ｚ、主面３ｚの上辺に繋がり後方向に延在する天板３ａ、主面３ｚの左右方向の一方（本実施例では右側）に位置し後方向に延在するガイド３ｃ、及び、主面３ｚの左右方向の他方（本実施例では左側）に位置し後方向に延在する対面ガイド３eを有する。   The protector 3 is attached by welding or the like in the vicinity of the glass terminal 2 as an example of a terminal for starting the electric element of the hermetic compressor 1. The protector 3 includes a flat main surface 3z that surrounds the periphery of the glass terminal 2 in an attached state, a top plate 3a that extends to the upper side of the main surface 3z and extends rearward, and one of the main surfaces 3z in the left-right direction (right side in this embodiment). ) And a guide 3c extending in the rearward direction, and a facing guide 3e extending in the rearward direction and positioned on the other of the main surfaces 3z in the left-right direction (left side in this embodiment).

天板３ａは、上下方向に略垂直な面であり、第一の係止孔３ｂを備えている。天板３ａのうち、左右方向の一方側（本実施例では右側）が、左右方向の他方側に比して、より後側に広がった形状であり、この部分に第一の係止孔３ｂが設けられている。天板３ａは、例えば上方からの水滴侵入を抑制したり、カバー４を組み付ける際の位置決めに用いることができる。   The top plate 3a is a surface substantially perpendicular to the vertical direction, and includes a first locking hole 3b. Of the top plate 3a, one side in the left-right direction (right side in the present embodiment) has a shape that extends further to the rear than the other side in the left-right direction, and this portion has a first locking hole 3b. Is provided. The top plate 3a can be used, for example, for suppressing water droplet intrusion from above or for positioning when the cover 4 is assembled.

ガイド３ｃは、左右方向に略垂直な面である。対面ガイド３ｅは、左右方向に略垂直な面であり、ガイド３ｃに対しては、左右方向について、主面３ｚを挟んで対向している。対面ガイド３eは、前端側に設けた第二の係止孔３ｆを備えている。なお、プロテクター３は、例えば金属で形成できる。   The guide 3c is a surface substantially perpendicular to the left-right direction. The facing guide 3e is a surface that is substantially perpendicular to the left-right direction, and is opposed to the guide 3c in the left-right direction across the main surface 3z. The facing guide 3e includes a second locking hole 3f provided on the front end side. In addition, the protector 3 can be formed, for example with a metal.

［カバー４］
図２（ｂ）はカバー４を説明する斜視図、図３は、カバー４の正面図である。
カバー４は、プロテクター３に組み付けた際に第一の係止孔３ｂに係合する第一のツメ４ｂ、ガイド３ｃが挿入される開口４ｃが設けられた右側面４ｄ、対面ガイド３eが挿入される開口４e、電源コード（不図示）を装着可能なコード取付部４ｈ、電源コードが取り付けられた端子カバー２０を押える端子押え部４ｊ、端子カバー２０が異常な位置にある場合に端子カバー２０のカバー４のプロテクター３への組付けを阻害する異常報知突起４ｔ、異常報知壁４０ｔ、及び、プロテクター３に組み付けた際に主面３ｚに対向する後面４ｚを備える。カバー４は、開口４ｃ，４eを形成するように、筒状の区画をそれぞれ有している。開口４eには、第二の係止孔３ｆに係止する第二のツメ４ｆが設けられている。カバー４は、弾性変形可能ないし可撓性のある材料、例えば合成樹脂で形成できる。 [Cover 4]
FIG. 2B is a perspective view illustrating the cover 4, and FIG. 3 is a front view of the cover 4.
The cover 4 has a first claw 4b that engages with the first locking hole 3b when assembled to the protector 3, a right side surface 4d provided with an opening 4c into which the guide 3c is inserted, and a facing guide 3e. 4e, a cord attaching portion 4h to which a power cord (not shown) can be attached, a terminal pressing portion 4j for holding the terminal cover 20 to which the power cord is attached, and the terminal cover 20 when the terminal cover 20 is in an abnormal position. An abnormality notification projection 4t, an abnormality notification wall 40t that hinders the assembly of the cover 4 to the protector 3, and a rear surface 4z that faces the main surface 3z when assembled to the protector 3 are provided. The cover 4 has cylindrical sections so as to form the openings 4c and 4e. The opening 4e is provided with a second claw 4f that is locked to the second locking hole 3f. The cover 4 can be formed of an elastically deformable or flexible material such as a synthetic resin.

コード取付部４ｈは、カバー４の下方側に設けられている。カバー４の下端が上方に折れ曲がった曲がり部４ｈ１と、主面４ｚとの間の領域に電源コードを係止することで、電源コードの脱落を抑制できる。コード取付部４ｈは、カバー４の外側と連通するが、開口は下方を向いているため、水滴が浸入することを抑制できる。   The cord attachment portion 4 h is provided on the lower side of the cover 4. By locking the power cord in a region between the bent portion 4h1 where the lower end of the cover 4 is bent upward and the main surface 4z, the power cord can be prevented from falling off. Although the cord attachment portion 4h communicates with the outside of the cover 4, the opening faces downward, so that water droplets can be prevented from entering.

端子押え部４ｊは、カバー４の取付時に、ガラスターミナル２に接続する端子カバー２０に接触又は近接可能な突起である。カバー４が樹脂製等である場合、カバー４取付時に作業者が主面４ｚを前方向に押すとカバー４が変形し、端子押え部４ｊが端子カバー２０に接触する。これにより、例えばガラスターミナル２に端子カバー２０が正常に取付けられていない場合に、作業者の押圧力によって取付を行うことができる。   The terminal pressing portion 4j is a protrusion that can contact or approach the terminal cover 20 connected to the glass terminal 2 when the cover 4 is attached. When the cover 4 is made of resin or the like, when the operator pushes the main surface 4z in the forward direction when the cover 4 is attached, the cover 4 is deformed and the terminal pressing portion 4j comes into contact with the terminal cover 20. Thereby, when the terminal cover 20 is not normally attached to the glass terminal 2, for example, attachment can be performed by an operator's pressing force.

異常報知突起４ｔは、端子押え部４ｊよりも出っ張った突起であり、ガラスターミナル２の一部分に端子カバー２０が取り付けられた状態で異常報知突起４ｔに接触する態様だと、カバー４がプロテクター３に装着することができない。具体的には、第一のツメ４ｂや第二のツメ４ｆが第一の係止孔３ｂや第二の係止孔３ｆに係止される位置まで挿入できない。   The abnormality notification protrusion 4t is a protrusion protruding from the terminal pressing portion 4j. When the terminal cover 20 is attached to a part of the glass terminal 2, the cover 4 is attached to the protector 3. Cannot be installed. Specifically, the first claw 4b and the second claw 4f cannot be inserted to a position where the first claw 4b or the second claw 4f is locked to the first locking hole 3b or the second locking hole 3f.

［プロテクター３とカバー４との装着］
図４は本実施例の端子カバー２０（端子カバー２０に取り付けられた電源コードは不図示）及びカバー４がプロテクター２に正常に取り付けられる際の分解斜視図である。端子カバー２０は、ガラスターミナル２の３本の端子に接続することで、端子カバー２０に取り付けられた電源コードから供給される電源を圧縮機１に供給する。 [Installation of protector 3 and cover 4]
FIG. 4 is an exploded perspective view when the terminal cover 20 (the power cord attached to the terminal cover 20 is not shown) and the cover 4 of the present embodiment are normally attached to the protector 2. The terminal cover 20 is connected to the three terminals of the glass terminal 2 to supply power supplied from the power cord attached to the terminal cover 20 to the compressor 1.

図５は本実施例の端子カバー２０が異常に取り付けられる際の分解斜視図である。端子カバー２０は、ガラスターミナル２の３本の端子のうち、２本以下の端子に接続している。この状態でカバー４がプロテクター３に組付けられると、圧縮機１を正常に駆動できない。   FIG. 5 is an exploded perspective view when the terminal cover 20 of this embodiment is abnormally attached. The terminal cover 20 is connected to two or less terminals among the three terminals of the glass terminal 2. When the cover 4 is assembled to the protector 3 in this state, the compressor 1 cannot be driven normally.

図６は本実施例の端子カバー２０が正常に取り付けられる際の端子カバー２０及びカバー４の位置関係を示す正面図である。端子カバー２０の外縁を破線で示している（端子も破線で示している。端子は破線で描かれた円形である。）。正常に取り付けられる場合、異常報知突起４ｔと端子カバー２０とは、正面視で重ならない。このため、異常報知突起４ｔが存在してもプロテクター３とカバー４とを支障なく組付けることができる。   FIG. 6 is a front view showing the positional relationship between the terminal cover 20 and the cover 4 when the terminal cover 20 of this embodiment is normally attached. The outer edge of the terminal cover 20 is indicated by a broken line (the terminal is also indicated by a broken line. The terminal is a circle drawn by a broken line). When attached normally, the abnormality notification protrusion 4t and the terminal cover 20 do not overlap in front view. For this reason, even if the abnormality notification protrusion 4t exists, the protector 3 and the cover 4 can be assembled without hindrance.

また、ガラスターミナル２の端子間の距離と端子カバー２０外縁から異常報知突起４ｔまでの距離との関係を記載する。左右方向に注目すると、隣接する端子間の距離はそれぞれL1である。また、正常に取り付けられた端子カバー２０の外縁のうち、異常報知突起４ｔに対向する部分から異常報知突起４ｔまでの距離はL2である。そして、関係式L2≦（２×L1）又はL2≦L1が成立していると好ましい。この場合、端子カバー２０の取付が異常であると、端子カバー２０が異常報知突起４ｔに接触しやすくなる。   Moreover, the relationship between the distance between the terminals of the glass terminal 2 and the distance from the outer edge of the terminal cover 20 to the abnormality notification protrusion 4t is described. Focusing on the left-right direction, the distance between adjacent terminals is L1. Moreover, the distance from the part which opposes the abnormality notification protrusion 4t to the abnormality notification protrusion 4t in the outer edge of the terminal cover 20 attached normally is L2. It is preferable that the relational expression L2 ≦ (2 × L1) or L2 ≦ L1 holds. In this case, if the attachment of the terminal cover 20 is abnormal, the terminal cover 20 is likely to come into contact with the abnormality notification protrusion 4t.

この関係は、異常報知壁４０ｔについても同様に成立すると好ましい。   This relationship is preferably established in the same manner for the abnormality notification wall 40t.

図７は本実施例の端子カバー２０が異常に取り付けられる際の端子カバー２０及びカバー４の位置関係を示す正面図である。端子カバー２０の位置を破線で示している。異常に取り付けられる場合、例えば端子のうち１つにのみ端子カバー２０が接続した状態の場合、端子カバー２０と異常報知突起４ｔが正面視で重なる。これにより異常報知突起４ｔと端子カバー２０とが、プロテクター３及びカバー４の組付け過程で接触し、組付けを完了できない。これにより、組立者は端子カバー２０の取付状態が異常であることに気づくことができる。ここでいう「異常」とは、端子カバー２０が一部の端子にのみ取り付けられている状態を指す。   FIG. 7 is a front view showing the positional relationship between the terminal cover 20 and the cover 4 when the terminal cover 20 of this embodiment is abnormally attached. The position of the terminal cover 20 is indicated by a broken line. When attached abnormally, for example, when the terminal cover 20 is connected to only one of the terminals, the terminal cover 20 and the abnormality notification protrusion 4t overlap in front view. As a result, the abnormality notification protrusion 4t and the terminal cover 20 come into contact with each other in the assembling process of the protector 3 and the cover 4, and the assembling cannot be completed. Thereby, the assembler can notice that the attachment state of the terminal cover 20 is abnormal. Here, “abnormal” refers to a state in which the terminal cover 20 is attached only to some terminals.

本実施例では、端子カバー２０が正常に取り付けられる位置（端子押え部４ｊの位置に相当）に対して、一方側に異常報知突起４ｔがあり、他方側に異常報知壁４０ｔがある。これにより、端子カバー２０が異常に取り付けられて出っ張った方向が一方型と他方側のどちら側であっても、組立者は気づくことができる。   In this embodiment, there is an abnormality notification protrusion 4t on one side and an abnormality notification wall 40t on the other side with respect to a position where the terminal cover 20 is normally attached (corresponding to the position of the terminal pressing portion 4j). As a result, the assembler can notice whether the direction in which the terminal cover 20 is abnormally attached and protrudes is the one side or the other side.

本実施例では、異常報知として突起と壁とを用いているが、どちらか一種類でもよい。尤も、本実施例では、プロテクター３とカバー４との組付けをツメで行うようにしており、これらが組付けられると「パチン」という組付音が生じる。この音は、プロテクター３とカバー４とで囲まれる空間（異常報知突起４ｔ、端子押え部５ｊ、異常報知壁４０ｔが配されている空間）に響き渡ることで、組立者が知覚しやすくなる。したがって、空間内にはさほど物体を配さない方が、組立者が知覚し易くなるため、壁ではなく突起の方が好ましい。なお、ガラスターミナルの端子の本数は、複数本であればよく、３本に限られない。また、異常報知突起や異常報知壁は、カバー側ではなくプロテクター側に設けられていても良い。   In the present embodiment, the protrusion and the wall are used as the abnormality notification, but either one may be used. However, in this embodiment, the protector 3 and the cover 4 are assembled with claws, and when these are assembled, an assembly sound of “click” is generated. This sound reverberates in the space surrounded by the protector 3 and the cover 4 (the space in which the abnormality notification protrusion 4t, the terminal pressing portion 5j, and the abnormality notification wall 40t are arranged), so that the assembler can easily perceive. Therefore, it is easier for the assembler to perceive that the object is not arranged so much in the space. Therefore, a protrusion is preferable instead of a wall. In addition, the number of the terminal of a glass terminal should just be two or more, and is not restricted to three. Moreover, the abnormality notification protrusion and the abnormality notification wall may be provided on the protector side instead of the cover side.

本実施例の圧縮機は、冷蔵庫、空気調和器、その他種々の機器に適用できる。   The compressor of a present Example is applicable to a refrigerator, an air conditioner, and other various apparatuses.

１ 密閉型圧縮機（圧縮機）
２ ガラスターミナル
３ プロテクター
３ａ 天板
３ｂ 第一の係止孔
３ｃ ガイド
３ｅ 対面ガイド
３ｆ 第二の係止孔
４ カバー
４ｂ 第一のツメ
４ｃ 開口
４ｄ 右側面
４ｅ 開口
４ｆ 第二のツメ
４ｊ 端子押え部
４ｔ 異常報知突起
４０ｔ 異常報知壁
２０ 端子カバー 1 Hermetic compressor (compressor)
2 Glass terminal
3 protector 3a top plate 3b first locking hole 3c guide 3e facing guide 3f second locking hole 4 cover 4b first claw 4c opening 4d right side 4e opening 4f second claw 4j terminal presser 4t abnormality notification Protrusion 40t Abnormality alarm wall 20 Terminal cover

Claims (4)

複数本の端子を有するガラスターミナルと、
プロテクターと、
該プロテクターに組付け可能なカバーと、
前記プロテクター及び前記カバーの間に配され、前記複数本の端子に取り付けられる端子カバーと、を有する圧縮機であって、
前記端子カバーが一部の端子に取り付けられている場合に前記プロテクター及び前記カバーが組付けられようとすると、前記端子カバーに接触して該組付けを阻害する異常報知突起又は異常報知壁を有することを特徴とする圧縮機。 A glass terminal having a plurality of terminals;
A protector,
A cover that can be assembled to the protector;
A compressor having a terminal cover disposed between the protector and the cover and attached to the plurality of terminals,
When the protector and the cover are to be assembled when the terminal cover is attached to some terminals, the terminal cover has an abnormality notification protrusion or an abnormality notification wall that contacts the terminal cover and inhibits the assembly. A compressor characterized by that. 前記異常報知突起又は前記異常報知壁のうち、前記異常報知突起を有し、
前記カバー及び前記プロテクターが組付けられた瞬間に組付音が発せられることを特徴とする請求項１に記載の圧縮機。 Of the abnormality notification protrusion or the abnormality notification wall, the abnormality notification protrusion is provided.
The compressor according to claim 1, wherein an assembly sound is generated at a moment when the cover and the protector are assembled. 前記端子間のうち隣接する端子間の距離L1と、正常に取り付けられた前記端子カバーの外縁のうち、前記異常報知突起又は前記異常報知壁に対向する部分から該異常報知突起又は該異常報知壁までの距離L2とについて、関係式L2≦（２×L1）又はL2≦L1が成立していることを特徴とする請求項１又は２に記載の圧縮機。   Among the terminals, the distance L1 between adjacent terminals, and the abnormality notification protrusion or the abnormality notification wall from the portion facing the abnormality notification protrusion or the abnormality notification wall on the outer edge of the terminal cover that is normally attached 3. The compressor according to claim 1, wherein the relational expression L2 ≦ (2 × L1) or L2 ≦ L1 is established with respect to the distance L2. 請求項１乃至３何れか一項に記載の圧縮機を搭載した機器。   A device on which the compressor according to any one of claims 1 to 3 is mounted.
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Cited By (1)

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CN113108505A (en) * 2021-03-24 2021-07-13 广州万宝集团压缩机有限公司 Compressor and thermoregulation device

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JPH09186470A (en) * 1996-01-04 1997-07-15 Canon Inc Terminal take-out box for solar cell
JP2001289170A (en) * 2000-04-03 2001-10-19 Matsushita Refrig Co Ltd Hermetic type motor-driven compressor
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JP2010242586A (en) * 2009-04-03 2010-10-28 Panasonic Corp Electric equipment cover fixing device and hermetic compressor using the same
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113108505A (en) * 2021-03-24 2021-07-13 广州万宝集团压缩机有限公司 Compressor and thermoregulation device

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