JP5136018B2 - Electric compressor - Google Patents
Electric compressor Download PDFInfo
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- JP5136018B2 JP5136018B2 JP2007301508A JP2007301508A JP5136018B2 JP 5136018 B2 JP5136018 B2 JP 5136018B2 JP 2007301508 A JP2007301508 A JP 2007301508A JP 2007301508 A JP2007301508 A JP 2007301508A JP 5136018 B2 JP5136018 B2 JP 5136018B2
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- 239000003921 oil Substances 0.000 claims description 47
- 230000006835 compression Effects 0.000 claims description 29
- 238000007906 compression Methods 0.000 claims description 29
- 239000010687 lubricating oil Substances 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 description 14
- 238000007789 sealing Methods 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Description
本発明は、流体の吸入、圧縮および吐出を行う圧縮機構部と、この圧縮機構部を駆動するモータとを容器内に収納し、前記モータをモータ駆動回路により駆動する電動圧縮機に関するものである。 The present invention relates to an electric compressor in which a compression mechanism portion that sucks, compresses and discharges fluid and a motor that drives the compression mechanism portion are housed in a container, and the motor is driven by a motor drive circuit. .
従来この種の圧縮機の給油装置を構成する技術としては、図2に示すように、ポンプケース内に収容した歯車に駆動軸の反圧縮機構部側の端部を勘合し、その後から取り付けたポンプ板で保持し、更に潤滑油を歯車ポンプに導入するための油溜め室と油吸入ノズルを一緒にしたポンプカバーを装着することが従来から行われている(例えば、特許文献1参照)。
しかしながら、前記従来の構成では、給油装置を構成するために多くの部品が必要となり、組立工数および材料費がアップするという課題を有していた。 However, in the conventional configuration, many parts are required to configure the oil supply apparatus, and there is a problem that the number of assembling steps and material costs increase.
本発明は、上記従来の課題を解決するもので、油溜め室と油吸入ノズルを副容器に一体で形成し、給油装置の部品点数と組立工数を低減した電動圧縮機を提供することを目的とする。 The present invention solves the above-described conventional problems, and an object thereof is to provide an electric compressor in which an oil sump chamber and an oil suction nozzle are integrally formed in a sub-container and the number of parts and assembly man-hours of an oil supply device are reduced. And
前記従来の課題を解決するために、本発明の圧縮機は、主容器内にモータと、モータに駆動軸を介して連結された圧縮室内に吸入された冷媒を圧縮して吐出する圧縮機構部とを収納し、主容器のモータ側端部に圧縮機構部に潤滑油を供給する給油装置を具備し、主容器のモータ側開口部と向かい合う形で副容器が装着された電動圧縮機において、給油装置に潤滑油を導入する油溜め室および油吸入通路を副容器に一体で形成したものである。これによって、給油装置の部品点数ならびに組立工数を削減することができる。 In order to solve the above-described conventional problems, a compressor according to the present invention compresses and discharges a refrigerant sucked into a compression chamber connected to a motor in a main container and a motor via a drive shaft. In an electric compressor in which a sub-container is mounted in a form facing the motor side opening of the main container, including an oil supply device that supplies lubricating oil to the compression mechanism at the motor side end of the main container, An oil sump chamber for introducing lubricating oil into the oil supply device and an oil suction passage are integrally formed in the sub-container. As a result, the number of parts and assembly man-hours of the fueling device can be reduced.
本発明の電動圧縮機は、給油装置の部品数を削減しコスト低減を図ることができる。 The electric compressor of the present invention can reduce the number of parts of the oil supply device and reduce the cost.
第1の発明は、主容器内にモータと、モータに駆動軸を介して連結された圧縮室内に吸入された冷媒を圧縮して吐出する圧縮機構部とを収納し、主容器のモータ側端部に圧縮機構部に潤滑油を供給する給油装置を具備し、主容器のモータ側開口部と向かい合う形で副容器が装着された電動圧縮機において、給油装置に潤滑油を導入する油溜め室および油吸入通路を副容器に一体で形成したことにより、給油装置の部品点数と組立工数を低減し、低コスト化を図ることができる。 According to a first aspect of the present invention, a motor and a compression mechanism that compresses and discharges a refrigerant sucked into a compression chamber connected to the motor via a drive shaft are accommodated in the main container, and the motor side end of the main container In an electric compressor having an oil supply device for supplying lubricating oil to the compression mechanism portion and a sub-container mounted so as to face the motor side opening of the main container, an oil reservoir chamber for introducing the lubricating oil into the oil supply device In addition, since the oil suction passage is formed integrally with the sub-container, the number of parts and assembly man-hours of the oil supply device can be reduced, and the cost can be reduced.
第2の発明は、特に、第1の発明の副容器に一体形成した油溜め室の外周と主容器との接合面にシール部材を介在させたことにより、油溜め室のシール性が向上し、潤滑油への冷媒ガス浸入が防止でき信頼性を向上できる。 In the second invention, in particular, the sealability of the oil sump chamber is improved by interposing a seal member on the joint surface between the outer periphery of the oil sump chamber integrally formed with the sub-container of the first invention and the main container. The refrigerant gas can be prevented from entering the lubricating oil, and the reliability can be improved.
第3の発明は、特に、第1、第2の発明の副容器を鋳造品で成型したことにより、油溜め室および油吸入通路との一体化が容易であり、コストを低減することができる。 In the third invention, in particular, the sub-container of the first and second inventions is molded from a cast product, so that the oil sump chamber and the oil suction passage can be easily integrated, and the cost can be reduced. .
以下、本発明の実施の形態について、図1を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。 Hereinafter, an embodiment of the present invention will be described with reference to FIG. Note that the present invention is not limited to the embodiments.
(実施の形態1)
図1は、本発明の第1から第3の実施の形態における電動圧縮機の断面図を示すものである。
(Embodiment 1)
FIG. 1 shows a cross-sectional view of an electric compressor according to first to third embodiments of the present invention.
図1において、電動圧縮機1の胴部の周りにある取付け脚2によって横向きに設置される横型の電動圧縮機の1つの例を示しており、電動圧縮機1はその主容器3内に圧縮機構部4およびこれを駆動するモータ5を内蔵し、圧縮機構部4を含む各摺動部の潤滑に供する液を供給する給油装置19を備え、モータ5を図示しないモータ駆動回路部によって駆動するようにしている。また主容器3のモータ側開口部3a及び圧縮機構部側開口部3bには開口部と向かい合う形でそれぞれ吐出副容器80及び吸入副容器70が装着され密閉容器を形成している。 FIG. 1 shows an example of a horizontal electric compressor installed sideways by a mounting leg 2 around the body of the electric compressor 1. The electric compressor 1 is compressed in its main container 3. A mechanism section 4 and a motor 5 for driving the mechanism section 4 are built in, and an oil supply device 19 for supplying a liquid for lubrication of each sliding section including the compression mechanism section 4 is provided. The motor 5 is driven by a motor drive circuit section (not shown). I am doing so. A discharge sub-container 80 and a suction sub-container 70 are mounted on the motor-side opening 3a and the compression mechanism-side opening 3b of the main container 3 so as to face the opening, respectively, thereby forming a sealed container.
取り扱う冷媒はガス冷媒であり、各摺動部の潤滑や圧縮機構部4の摺動部のシールに供する液としては潤滑油7などの液を採用している。また、潤滑油7は冷媒に対して相溶性のあるものである。しかし、本発明はこれらに限られることはない。基本的には、液体の吸入、圧縮および吐出を行う圧縮機構部4と、この圧縮機構部4を駆動するモータ5と、圧縮機構部4を含む各摺動部の潤滑に供する液を供給する給油装置19を主容器3に内蔵し、主容器3の両端開口部3a、3bに副容器80、70が装着され、モータ5をモータ駆動回路部により駆動する電動圧縮機1であればよく、以下の説明は特許請求の範囲の記載を限定するものではない。 The refrigerant to be handled is a gas refrigerant, and a liquid such as a lubricating oil 7 is employed as a liquid to be used for lubrication of each sliding part and a seal of the sliding part of the compression mechanism part 4. The lubricating oil 7 is compatible with the refrigerant. However, the present invention is not limited to these. Basically, a compression mechanism portion 4 that sucks, compresses and discharges liquid, a motor 5 that drives the compression mechanism portion 4, and a liquid that is used for lubrication of each sliding portion including the compression mechanism portion 4 is supplied. It is only necessary to use the electric compressor 1 in which the oil supply device 19 is built in the main container 3, the sub-containers 80 and 70 are attached to both end openings 3 a and 3 b of the main container 3, and the motor 5 is driven by the motor drive circuit unit The following description does not limit the description of the claims.
本実施の形態の電動圧縮機1の圧縮機構部4は、一つの例としてスクロール方式のものであって、図1に示すように固定スクロール11と旋回スクロール12を噛み合わせて形成した圧縮空間10が、旋回スクロール12をモータ5により駆動軸14を介して固定スクロール11に対し旋回運動をさせたときに、移動を伴い容積を変化させることにより外部サイクルから帰還する冷媒の吸入、圧縮および外部サイクルへの吐出を、吸入副容器70に設けた吸入口8および吐出副容器80に設けた吐出口9を通じて行う。 The compression mechanism section 4 of the electric compressor 1 according to the present embodiment is of a scroll type as an example, and a compression space 10 formed by meshing a fixed scroll 11 and a turning scroll 12 as shown in FIG. However, when the orbiting scroll 12 is reciprocated with respect to the fixed scroll 11 by the motor 5 via the drive shaft 14, the refrigerant suction, compression, and external cycle are returned from the external cycle by changing the volume with movement. Is discharged through the suction port 8 provided in the suction sub-container 70 and the discharge port 9 provided in the discharge sub-container 80.
これに併せ、吐出副容器80の貯液部6に貯留されている潤滑油7が歯車ポンプ13などを駆動軸14にて駆動するか主容器3内の差圧を利用するなどして、駆動軸14の給油路15を通じ旋回スクロール12の旋回駆動に伴い旋回スクロール12の背面の液溜り21に供給し、この液溜り21に供給した潤滑油7の一部は旋回スクロール12の外周部のラップ反対面の背圧室20に、旋回スクロール鏡板12aを通じ、絞り23などによる所定の制限の基に供給し、固定スクロール11に設けた図示しない弁装置によりここに導いた背圧を所定量に調整し、旋回スクロール12を押圧しバックアップしながら、潤滑油7を旋回スクロール12を通じ旋回スクロール12の渦巻状ラップにおける先端の固定スクロール11との間のシール部材の一例であるチップシール24を保持する保持溝25に供給して固定、旋回スクロール11、12間のシールおよび潤滑を図る。また、液溜り21に供給した潤滑油7の別の一部は、偏心ベアリング43、主ベアリング42を経ながら、それらベアリング42、43を潤滑した後、モータ5側に流出し、貯液部6へと回収される。 At the same time, the lubricating oil 7 stored in the liquid storage section 6 of the discharge sub-container 80 is driven by driving the gear pump 13 or the like with the drive shaft 14 or using the differential pressure in the main container 3. Along with the turning drive of the orbiting scroll 12 through the oil supply passage 15 of the shaft 14, it is supplied to the liquid reservoir 21 on the back surface of the orbiting scroll 12, and a part of the lubricating oil 7 supplied to this liquid reservoir 21 is wrapped around the outer peripheral portion of the orbiting scroll 12. The back pressure chamber 20 on the opposite surface is supplied to a predetermined restriction base such as a throttle 23 through the orbiting scroll end plate 12a, and the back pressure led here is adjusted to a predetermined amount by a valve device (not shown) provided on the fixed scroll 11. Then, while pressing the orbiting scroll 12 and backing it up, the lubricant 7 is passed through the orbiting scroll 12 and the sealing member between the spiral scroll of the orbiting scroll 12 and the fixed scroll 11 at the tip. Fixed and supplied to the holding grooves 25 for holding the tip seal 24 is one example, promote sealing and lubrication between the orbiting scroll 11. Further, another part of the lubricating oil 7 supplied to the liquid reservoir 21 lubricates the bearings 42 and 43 through the eccentric bearing 43 and the main bearing 42, and then flows out to the motor 5 side. Is recovered.
さらに、主容器3内のモータ側軸線方向の端部壁3c側から給油装置19、副ベアリング41、モータ5、主ベアリング42を持った主軸受部材51を配置してある。 Further, a main bearing member 51 having an oil supply device 19, a sub bearing 41, a motor 5, and a main bearing 42 is arranged from the end wall 3 c side in the motor side axial direction in the main container 3.
給油装置19は、端部壁3cの外面から歯車ポンプ13を収容してその後に図示しないボルトなどによって取り付けたポンプ板52との間に保持し、吐出副容器80の内側に貯液部6に通じる油溜め室53を形成して油吸入通路54を介して貯液部6に通じるようにしてある。 The oil supply device 19 accommodates the gear pump 13 from the outer surface of the end wall 3c and holds it with a pump plate 52 attached by bolts (not shown) after that. An oil reservoir chamber 53 is formed so as to communicate with the liquid storage section 6 through an oil suction passage 54.
副ベアリング41は端部壁3cにて支持し、駆動軸14の歯車ポンプ13に連結している側を軸受するようにしてある。モータ5は固定子5aを主容器3の内周にボルトあるいは焼き嵌めなどして固定し、駆動軸14の途中まわりに固定した回転子5bとによって駆動軸14を回転駆動できるようにしている。主軸受部材51は主容器3に挿入あるいは圧入されており、駆動軸14の圧縮機構部4側を主ベアリング42により軸受している。主軸受部材51の外面には前記固定スクロール11を図示しないボルトなどによって取付け、これら主軸受部材51と固定スクロール11との間に前記旋回スクロール12を挟み込んでスクロール圧縮機を構成している。主軸受部材51と旋回スクロール12との間には、旋回スクロール12の自転を防止して旋回運動させるためのオルダムリング26が設けられている。駆動軸14の端面には偏心軸14aが一体形成されており、偏心軸14aにはブッシュ30が勘合して支持されている。ブッシュ30には旋回スクロール12が固定スクロール11と対向するように偏心ベアリング43を介して旋回運動可能に支持されている。旋回スクロール12の旋回スクロール鏡板12aの背面には筒部12bが突設されており、偏心ベアリング43は筒部12b内に収容されている。偏心ベアリング43の内輪は、ブッシュ30に勘合されており、偏心ベアリング43の外輪は、筒部12bに勘合されている。固定スクロール11には、背圧室20と自身の図示しない吸入口とを連通遮断する弁装置が設けられている。 The auxiliary bearing 41 is supported by the end wall 3c, and the side connected to the gear pump 13 of the drive shaft 14 is supported. The motor 5 fixes the stator 5a to the inner periphery of the main container 3 by bolts or shrink fitting, and the drive shaft 14 can be rotationally driven by the rotor 5b fixed around the drive shaft 14. The main bearing member 51 is inserted or press-fitted into the main container 3, and the compression mechanism portion 4 side of the drive shaft 14 is supported by the main bearing 42. The fixed scroll 11 is attached to the outer surface of the main bearing member 51 with a bolt or the like (not shown), and the orbiting scroll 12 is sandwiched between the main bearing member 51 and the fixed scroll 11 to constitute a scroll compressor. An Oldham ring 26 is provided between the main bearing member 51 and the orbiting scroll 12 to prevent the orbiting scroll 12 from rotating and to orbit. An eccentric shaft 14a is integrally formed on the end surface of the drive shaft 14, and a bush 30 is fitted and supported on the eccentric shaft 14a. The orbiting scroll 12 is supported by the bush 30 via an eccentric bearing 43 so as to be capable of orbiting movement so as to face the fixed scroll 11. A cylindrical portion 12b projects from the rear surface of the orbiting scroll end plate 12a of the orbiting scroll 12, and the eccentric bearing 43 is accommodated in the cylindrical portion 12b. The inner ring of the eccentric bearing 43 is fitted into the bush 30 and the outer ring of the eccentric bearing 43 is fitted into the cylindrical portion 12b. The fixed scroll 11 is provided with a valve device that cuts off communication between the back pressure chamber 20 and a suction port (not shown).
圧縮機構部4は、主容器3と開口どうしを突き合わせて図示しないボルトにて固定した吸入副容器70により覆われている。圧縮機構部4は吸入副容器70の吸入口8と吐出副容器80の吐出口9との間に位置し、自身の図示しない吸入口が吸入副容器70の吸入口8と吸入通路16を通じ接続され、自身の吐出口31がリード弁32を介して吐出室62に開口している。吐出室62は固定スクロール11および主軸受部材51ないしはこれらと主容器3との間に形成した連絡通路63を通じて圧縮機構部4と端部壁3cとの間の、モータ5側に通じている。 The compression mechanism unit 4 is covered with a suction sub-container 70 that is in contact with the main container 3 and the openings and fixed with a bolt (not shown). The compression mechanism 4 is located between the suction port 8 of the suction sub-container 70 and the discharge port 9 of the discharge sub-container 80, and its own suction port is connected through the suction port 8 of the suction sub-container 70 and the suction passage 16. In addition, its own discharge port 31 opens into the discharge chamber 62 via the reed valve 32. The discharge chamber 62 communicates with the motor 5 side between the compression mechanism portion 4 and the end wall 3c through the fixed scroll 11 and the main bearing member 51 or a communication passage 63 formed between them and the main container 3.
モータ5のリード線5cは、固定スクロール11および主軸受部材51ないしはこれらと主容器3との間に形成した連絡通路64を通じて吸入副容器70側へ引出し、吸入副容器70に貫装された密封端子90に接続されている。さらに密封端子90は図示しないモータ駆動回路と接続されている。 The lead wire 5c of the motor 5 is drawn to the suction sub-container 70 side through the fixed scroll 11 and the main bearing member 51 or a communication passage 64 formed between them and the main container 3, and is sealed in the suction sub-container 70. The terminal 90 is connected. Further, the sealing terminal 90 is connected to a motor drive circuit (not shown).
以上によって、モータ5はモータ駆動回路部によって駆動され、駆動軸14を介して圧縮機構部4を旋回運動させるとともに、歯車ポンプ13を駆動する。このとき圧縮機構部4は歯車ポンプ13により貯液部6の潤滑油7を供給されて潤滑、シールおよび押圧作用を受けながら、吸入副容器70の吸入口8さらに自身の固定スクロール11に設けた図示しない吸入口を通じ冷凍サイクルからの帰還冷媒を吸入して、圧縮し、自身の吐出口31から吐出室62に吐出する。吐出室62に吐出された冷媒は連絡通路63を通じて電動式モータ5側に入り、モータ5を冷却しながら吐出副容器80の吐出口9から吐出されるまでの過程で、冷媒は衝突、絞りなどの気液分離を図って潤滑油7の分離を受けながらも、随伴している一部潤滑油7によって副ベアリング41の潤滑も行う。 As described above, the motor 5 is driven by the motor drive circuit unit, and rotates the compression mechanism unit 4 via the drive shaft 14 and drives the gear pump 13. At this time, the compression mechanism section 4 is supplied with the lubricating oil 7 of the liquid storage section 6 by the gear pump 13 and is provided with the suction port 8 of the suction sub-container 70 and the fixed scroll 11 thereof while receiving the lubrication, sealing and pressing action. The return refrigerant from the refrigeration cycle is sucked through a suction port (not shown), compressed, and discharged from its own discharge port 31 to the discharge chamber 62. The refrigerant discharged into the discharge chamber 62 enters the electric motor 5 side through the communication passage 63, and in the process until the refrigerant is discharged from the discharge port 9 of the discharge sub-container 80 while cooling the motor 5, the refrigerant collides, throttles, etc. The sub-bearing 41 is also lubricated by the accompanying part of the lubricating oil 7 while the gas-liquid separation is performed and the lubricating oil 7 is separated.
ここで、本実施の形態では、図1に示すように、特に、給油装置19を構成する油溜め室53および油吸入通路54を吐出副容器80に一体で形成したことを基本構成としている。 Here, in this embodiment, as shown in FIG. 1, the basic configuration is that the oil reservoir chamber 53 and the oil suction passage 54 constituting the oil supply device 19 are formed integrally with the discharge sub-container 80.
以上の構成によると、油溜め室53および油吸入通路54を特別に設ける必要がないので、部品点数と組立工数を削減でき、コストを低減することができる。 According to the above configuration, there is no need to specially provide the oil sump chamber 53 and the oil suction passage 54. Therefore, the number of parts and the number of assembly steps can be reduced, and the cost can be reduced.
また、本実施の形態では、吐出副容器80に一体形成した油溜め室53の外周と主容器3との接合面にシール部材91を介在させたことにより、油溜め室53のシール性が向上し、潤滑油への冷媒ガス浸入が防止でき、十分な潤滑油が摺動部へ供給できるため信頼性の高い電動圧縮機を提供することができる。 Further, in this embodiment, the sealing performance of the oil sump chamber 53 is improved by interposing the seal member 91 on the joint surface between the outer periphery of the oil sump chamber 53 integrally formed with the discharge sub-container 80 and the main container 3. And since refrigerant gas permeation into lubricating oil can be prevented and sufficient lubricating oil can be supplied to a sliding part, a highly reliable electric compressor can be provided.
また、本実施の形態では、吐出副容器80を鋳造品で成型したことにより、油溜め室53および油吸入通路54との一体化が容易となり、構造もシンプルでコストを低減することができる。またアルミ鋳造品を採用することにより電動圧縮機の軽量化を図ることもできる。 Further, in the present embodiment, since the discharge sub-container 80 is molded as a cast product, the oil sump chamber 53 and the oil suction passage 54 can be easily integrated, the structure is simple, and the cost can be reduced. Moreover, the weight of the electric compressor can be reduced by adopting an aluminum casting.
以上のように、本発明にかかる電動圧縮機は、給油装置の部品数を削減しコスト低減を図ることが可能となるので、空気調和機、冷蔵庫などの冷凍機器の他、除湿機や乾燥機、ヒートポンプ式給湯機等の用途にも適用できる。 As described above, the electric compressor according to the present invention can reduce the number of parts of the oil supply device and reduce the cost. Therefore, in addition to refrigeration equipment such as an air conditioner and a refrigerator, a dehumidifier and a dryer. It can also be applied to uses such as heat pump hot water heaters.
1 電動圧縮機
2 取付け脚
3 主容器
3a モータ側開口部
3b 圧縮機構部側開口部
3c 端部壁
4 圧縮機構部
5 モータ
5a 固定子
5b 回転子
5c リード線
6 貯液部
7 潤滑油
8 吸入口
9 吐出口
10 圧縮空間
11 固定スクロール
12 旋回スクロール
12a 旋回スクロール鏡板
12b 筒部
13 歯車ポンプ
14 駆動軸
14a 偏心軸
15 給油路
16 吸入通路
19 給油装置
20 背圧室
21 液溜り
23 絞り
24 チップシール
25 保持溝
26 オルダムリング
30 ブッシュ
31 固定スクロール吐出口
32 リード弁
41 副ベアリング
42 主ベアリング
43 偏心ベアリング
51 主軸受部材
52 ポンプ板
53 油溜め室
54 油吸入通路
62 吐出室
63 連絡通路
64 連絡通路
65 接続空間
70 吸入副容器
80 吐出副容器
90 密封端子
91 シール部材
DESCRIPTION OF SYMBOLS 1 Electric compressor 2 Mounting leg 3 Main container 3a Motor side opening 3b Compression mechanism side opening 3c End wall 4 Compression mechanism part 5 Motor 5a Stator 5b Rotor 5c Lead wire 6 Liquid storage part 7 Lubricating oil 8 Inhalation Port 9 Discharge port 10 Compression space 11 Fixed scroll 12 Orbiting scroll 12a Orbiting scroll end plate 12b Tube portion 13 Gear pump 14 Drive shaft 14a Eccentric shaft 15 Oil supply passage 16 Suction passage 19 Oil supply device 20 Back pressure chamber 21 Liquid reservoir 23 Restriction 24 Chip seal 25 Retaining groove 26 Oldham ring 30 Bush 31 Fixed scroll discharge port 32 Reed valve 41 Sub bearing 42 Main bearing 43 Eccentric bearing 51 Main bearing member 52 Pump plate 53 Oil reservoir chamber 54 Oil intake passage 62 Discharge chamber 63 Connection passage 64 Connection passage 65 Connection space 70 Suction sub container 80 Defuku container 90 sealed terminal 91 sealing member
Claims (2)
前記副容器に一体形成した油溜め室外周と前記主容器との接合面にシール部材を介在させたことを特徴とする電動圧縮機。 A motor and a compression mechanism that compresses and discharges the refrigerant sucked into a compression chamber connected to the motor via a drive shaft are housed in the main container, and the compression is performed on the motor side end of the main container. In an electric compressor having an oil supply device for supplying lubricating oil to a mechanism portion and having a sub-container mounted so as to face the motor side opening of the main container, an oil reservoir chamber for introducing the lubricating oil into the oil supply device; the oil suction passage to said secondary container a formed electrodeposited dynamic compressor integrally,
An electric compressor characterized in that a seal member is interposed between the outer periphery of an oil sump chamber formed integrally with the sub-container and the main container .
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