JPH076514B2 - Electric compressor - Google Patents
Electric compressorInfo
- Publication number
- JPH076514B2 JPH076514B2 JP62333306A JP33330687A JPH076514B2 JP H076514 B2 JPH076514 B2 JP H076514B2 JP 62333306 A JP62333306 A JP 62333306A JP 33330687 A JP33330687 A JP 33330687A JP H076514 B2 JPH076514 B2 JP H076514B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- electric motor
- outside
- compression mechanism
- spiral blade
- 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.)
- Expired - Lifetime
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- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 この発明は冷凍機用の電動圧縮機に関するものである。Description: TECHNICAL FIELD The present invention relates to an electric compressor for a refrigerator.
従来の技術 第７図は電動圧縮機の従来例の断面図である。密閉容器
101の内部に、圧縮機構102を駆動する電動機103の固定
子104が固定され、この固定子104の外方に電動機103の
回転子105を配設し、この回転子105に圧縮機構102を駆
動するクランク軸106を結合し、このクランク軸106の回
転軸をほぼ垂直に配置し、電動機103の下部に潤滑油を
溜める潤滑油溜107が設けられている。2. Description of the Related Art FIG. 7 is a sectional view of a conventional example of an electric compressor. Closed container
Inside the 101, a stator 104 of an electric motor 103 that drives the compression mechanism 102 is fixed, a rotor 105 of the electric motor 103 is arranged outside the stator 104, and the compression mechanism 102 is driven by the rotor 105. The crankshaft 106 is coupled, the rotation axis of the crankshaft 106 is arranged substantially vertically, and a lubricating oil sump 107 for accumulating lubricating oil is provided below the electric motor 103.
圧縮機構102は、固定枠体108に固定渦巻羽根109を一体
に形成した固定渦巻羽根部材110と、この固定渦巻羽根1
09と噛み合って複数個の圧縮作業空間114を形成する旋
回渦巻羽根111を旋回鏡板112の上に形成した旋回渦巻羽
根部材113と、この旋回渦巻羽根部材113の自転を防止し
て旋回のみをさせる自転拘束部材115とを有し、この旋
回鏡板112の渦巻羽根111とは反対側に設けられて、圧縮
機構102の吐出口128を有する旋回駆動軸116は、クラン
ク軸106の一端に形成した主軸117の内方に設けられてこ
の旋回駆動軸116を駆動する偏心軸受118に嵌入され、こ
のクランク軸106はその主軸117を支承する主軸受119を
有する軸受部材121に支持されている。この軸受部材121
に固定されて、旋回鏡板112の背面でこの旋回鏡板112に
かかる背圧力を半径方向に仕切る背圧仕切環122が設け
られている。また、旋回鏡板112の旋回渦巻羽根111の反
対側の面123には吐出側の圧力より低い気体圧力を作用
させている。The compression mechanism 102 includes a fixed spiral blade member 110 in which a fixed spiral blade 109 is integrally formed on a fixed frame 108, and the fixed spiral blade 1
A swirling spiral blade member 113 in which swirl spiral blades 111 that mesh with 09 to form a plurality of compression working spaces 114 are formed on a swirl end plate 112, and the swirl spiral blade member 113 is prevented from rotating and only swirls. A rotation drive shaft 116 having a rotation restraint member 115 and provided on the side opposite to the spiral blade 111 of the rotation end plate 112 and having a discharge port 128 of the compression mechanism 102 is a main shaft formed at one end of the crankshaft 106. An eccentric bearing 118 that is provided inside the 117 and drives the orbiting drive shaft 116 is fitted therein, and the crankshaft 106 is supported by a bearing member 121 having a main bearing 119 that supports the main shaft 117. This bearing member 121
The back pressure partition ring 122 is provided on the back surface of the swivel mirror plate 112 to partition the back pressure applied to the swivel mirror plate 112 in the radial direction. Further, a gas pressure lower than the pressure on the discharge side is applied to the surface 123 of the swirl end plate 112 on the opposite side of the swirl spiral blade 111.
圧縮機構102は外周縁部124を密閉容器101に溶接して、
内部の空間を電動機側と電動機の反対側の空間に仕切っ
ている。The compression mechanism 102 welds the outer peripheral edge portion 124 to the closed container 101,
The internal space is divided into the electric motor side and the space on the opposite side of the electric motor.
圧縮機の吸入管125から吸入された冷媒気体は、密閉容
器101の中に形成した電動機とは反対側の空間の吸入ア
キュムレーター室126に吸入された後、吸入口127を経て
圧縮作業空間114で圧縮され、旋回駆動軸116に設けた吐
出口128から電動機103の回転子105の内側に吐き出され
る。このとき、この圧縮された冷媒気体には、圧縮作業
空間114の密封や圧縮機構102の各軸受を潤滑した潤滑油
の油滴が多量に含まれており、これらの油滴は、吐出口
蓋129や回転子105の内壁で回転させられることにより遠
心分離して、回転子105に設けた遠心ファン部孔130から
回転子105の外に出て潤滑油溜107に戻る。回転子105内
の圧縮冷媒気体は、吐出室131から吐出管132を経て圧縮
機の外に吐出される。The refrigerant gas sucked from the suction pipe 125 of the compressor is sucked into the suction accumulator chamber 126 in the space on the side opposite to the electric motor formed in the closed container 101, and then the suction working space 114 is passed through the suction port 127. And is discharged to the inside of the rotor 105 of the electric motor 103 from the discharge port 128 provided in the turning drive shaft 116. At this time, the compressed refrigerant gas contains a large amount of oil droplets of the lubricating oil that seals the compression work space 114 and lubricates each bearing of the compression mechanism 102, and these oil droplets are discharged from the discharge port lid 129. Also, by being rotated by the inner wall of the rotor 105, the centrifugal separation is performed, and the centrifugal fan portion hole 130 provided in the rotor 105 exits the rotor 105 and returns to the lubricating oil reservoir 107. The compressed refrigerant gas in the rotor 105 is discharged from the discharge chamber 131 to the outside of the compressor via the discharge pipe 132.
発明が解決しようとする問題点 上記従来例の圧縮機は、その外径が比較的小さい代わり
に幅方向に背が高いので、背の低い外箱に収納する場合
には、回転軸を水平に置いた横型の圧縮機が必要になる
が、この従来例の圧縮機をそのままの構造で横型にする
と、電動機の回転子が潤滑油に接触して回転するため
に、大きな動力損失が生じるとともに、激しく油滴が発
生してこれが圧縮冷媒気体とともに排出されて潤滑油の
欠乏の原因となることがある。Problems to be Solved by the Invention Since the compressor of the above-mentioned conventional example has a relatively small outer diameter but is tall in the width direction, when it is housed in a short outer box, the rotary shaft should be horizontal. A horizontal compressor placed is required, but if this conventional compressor is made horizontal with the same structure, the rotor of the electric motor comes into contact with the lubricating oil and rotates, resulting in a large power loss, Violent oil droplets may be generated and discharged together with the compressed refrigerant gas, causing a shortage of lubricating oil.
また、第７図のまま、圧縮機を横型にして、回転子と潤
滑油の接触を避けようとすると、密閉容器の直径を著し
く大にしなければならず、コストの増大と圧縮機の高さ
の増大を招く。Further, as shown in FIG. 7, if the compressor is made horizontal and the contact between the rotor and the lubricating oil is to be avoided, the diameter of the hermetic container must be remarkably increased, which increases the cost and height of the compressor. Cause an increase in
本発明は上記問題点を解決するもので、密閉容器の直径
をほとんど増大することなく、小形低コストの横型の電
動圧縮機を提供することを目的とするものである。The present invention solves the above problems, and an object of the present invention is to provide a compact, low-cost, horizontal electric compressor that hardly increases the diameter of the closed container.
問題点を解決するための手段 上記問題点を解決するために本発明は、密閉容器の内部
に、電動機とこの電動機で駆動する圧縮機構を配設し、
前記圧縮機構の駆動軸をほぼ水平に配置し、また前記電
動機の回転子を固定子の外方に配設し、この回転子の内
側または外側に前記圧縮機構の吐出口を開口し、この回
転子に、この回転子の内側と外側を連通するとともに吐
出冷媒気体に遠心力を作用させて冷媒気体を回転子の外
側に向って出すための遠心ファン部孔を形成し、この遠
心ファン部孔と前記回転子とを囲むファン囲いを設け、
このファン囲いの開口部をこの電動機の上方に設け、前
記ファン囲いの外側と前記密閉容器の間に潤滑油を溜め
るようにしたものである。Means for Solving the Problems In order to solve the above problems, the present invention provides, inside a closed container, an electric motor and a compression mechanism driven by the electric motor,
The drive shaft of the compression mechanism is arranged substantially horizontally, the rotor of the electric motor is arranged outside the stator, and the discharge port of the compression mechanism is opened inside or outside the rotor, A centrifugal fan portion hole is formed in the child for communicating the inside and the outside of the rotor and for exerting a centrifugal force on the discharged refrigerant gas to discharge the refrigerant gas toward the outside of the rotor. And a fan enclosure surrounding the rotor and
The opening of the fan enclosure is provided above the electric motor so that the lubricating oil is stored between the outside of the fan enclosure and the closed container.
作用 上記構成により、回転子の内側へ吐出された圧縮冷媒気
体に含まれる油滴は回転子により遠心力を与えられ、遠
心ファン部孔を通して回転子の外側に出される。この回
転子の外側へ達した潤滑油の油滴は、この回転子との連
れ回りによりファン囲いの上側に設けた開口部から外側
に移動し、ファン囲いの外側と密閉容器の間に溜る。Action With the above configuration, the oil droplets contained in the compressed refrigerant gas discharged to the inside of the rotor are given a centrifugal force by the rotor and are discharged to the outside of the rotor through the centrifugal fan portion hole. The oil drops of the lubricating oil that have reached the outside of the rotor move to the outside from the opening provided on the upper side of the fan enclosure due to the rotation with the rotor, and collect between the outside of the fan enclosure and the closed container.
または、圧縮機構の吐出口から回転子の外側へ吐出され
た圧縮冷媒気体は、回転子の外側から遠心ファン部孔を
通して内側に向かって流れるが、このとき、圧縮冷媒気
体に含まれる油滴は回転子により遠心力を与えられ、再
び、遠心ファン部孔を通して回転子の外側に出される。
この回転子の外側へ達した潤滑油の油滴は、この回転子
との連れ回りによりファン囲いの上側に設けた開口部か
らファン囲いの外側に移動する。Alternatively, the compressed refrigerant gas discharged from the discharge port of the compression mechanism to the outside of the rotor flows inward from the outside of the rotor through the centrifugal fan portion hole, but at this time, the oil droplets contained in the compressed refrigerant gas are Centrifugal force is applied by the rotor, and the centrifugal force is again discharged to the outside of the rotor through the centrifugal fan portion hole.
The oil droplets of the lubricating oil that have reached the outside of the rotor move to the outside of the fan enclosure from the openings provided on the upper side of the fan enclosure due to the rotation with the rotor.
実施例 以下本発明の一実施例を図面に基づいて説明する。Embodiment An embodiment of the present invention will be described below with reference to the drawings.
第１図は本発明の第１の実施例のスクロール式の電動圧
縮機の縦断面図、第２図はその圧縮機構部の横断面図で
ある。第１図および第２図において、密閉容器１の内部
に圧縮機構２を駆動する電動機３の固定子４が固定さ
れ、この電動機３の回転子５に圧縮機構２を駆動するク
ランク軸６が結合されて、このクランク軸６の回転軸は
はほ水平に配置されている。また密閉容器１の下部に潤
滑油溜７が設けられている。FIG. 1 is a vertical sectional view of a scroll type electric compressor according to a first embodiment of the present invention, and FIG. 2 is a transverse sectional view of a compression mechanism portion thereof. 1 and 2, a stator 4 of an electric motor 3 for driving a compression mechanism 2 is fixed inside a closed container 1, and a crankshaft 6 for driving the compression mechanism 2 is connected to a rotor 5 of the electric motor 3. Thus, the rotation axis of the crankshaft 6 is arranged substantially horizontally. A lubricating oil sump 7 is provided below the closed container 1.
圧縮機構２は、固定枠体８に固定渦巻羽根９を一体に形
成した固定渦巻羽根部材10と、この固定渦巻羽根９と噛
み合って複数個の圧縮作業空間14を形成する旋回渦巻羽
根11を旋回鏡板12の上に形成した旋回渦巻羽根部材13
と、この旋回渦巻羽根部材13の自転を防止して旋回のみ
をさせる自動拘束部材15とを有し、この旋回鏡板12の旋
回渦巻羽根11とは反対側に設けた旋回駆動軸16は、クラ
ンク軸６の一端に形成した主軸17の内方に設けられてこ
の旋回駆動軸16を駆動する偏心軸受18に嵌入され、この
クランク軸６はその主軸17を支承する主軸受19を有する
軸受部材21に支持されている。この軸受部材21に固定さ
れて、旋回鏡板12の背面でこの旋回鏡板12にかかる背圧
力を半径方向に仕切る背圧仕切環22が設けられている。
また、旋回鏡板12の旋回渦巻羽根11の反対側の面23には
吐出側の圧力より低い気体圧力を作用させている。The compression mechanism 2 swirls a fixed spiral blade member 10 in which a fixed spiral blade 9 is integrally formed on a fixed frame body 8, and a swirl spiral blade 11 which meshes with the fixed spiral blade 9 to form a plurality of compression work spaces 14. Swirling spiral blade member 13 formed on the end plate 12
And an automatic restraint member 15 for preventing the rotation of the swirling spiral blade member 13 and only rotating the swirling spiral blade member 13, and the swirling drive shaft 16 provided on the opposite side of the swirling end plate 12 from the swirling spiral blade 11 is A bearing member 21 having a main bearing 19 that is provided inside a main shaft 17 formed at one end of the shaft 6 and that is fitted into an eccentric bearing 18 that drives the orbiting drive shaft 16. The crankshaft 6 has a main bearing 19 that supports the main shaft 17. Supported by. A back pressure partition ring 22 is provided which is fixed to the bearing member 21 and partitions the back pressure applied to the swivel mirror plate 12 in the radial direction on the back surface of the swirl mirror plate 12.
Further, a gas pressure lower than the pressure on the discharge side is applied to the surface 23 of the swirl end plate 12 opposite to the swirl spiral blade 11.
圧縮機構２は外周縁部24を密閉容器１に溶接して、密閉
容器１の内部の空間を電動機側と電動機の反対側の空間
に仕切っている。The compression mechanism 2 welds the outer peripheral edge portion 24 to the closed casing 1 to partition the space inside the closed casing 1 into a space on the side opposite to the electric motor side.
圧縮機の吸入管25から吸入された冷媒気体は、密閉容器
１の中に形成した電動機反対側の空間の吸入アキュムレ
ーター室26に吸入された後、吸入口27を経て圧縮作業空
間14で圧縮され、旋回駆動軸16に設けた吐出口28から電
動機側の空間に入り、吐出室29を経て吐出管30から圧縮
機の外に吐出される。The refrigerant gas sucked from the suction pipe 25 of the compressor is sucked into the suction accumulator chamber 26 in the space on the opposite side of the electric motor formed in the closed container 1, and then compressed in the compression work space 14 via the suction port 27. Then, it enters the space on the electric motor side from the discharge port 28 provided in the swivel drive shaft 16, passes through the discharge chamber 29, and is discharged from the discharge pipe 30 to the outside of the compressor.
また、吐出口28から吐出される圧縮冷媒気体に含まれた
潤滑油滴は、吐出口28を覆うように設けた吐出口蓋31で
回転が与えられて、その遠心力により、回転子５の外周
付近に設けた遠心ファン部孔32に達する。この遠心ファ
ン部孔32で油滴の回転速度が高められて、確実に、回転
子５の外側へ出て行く。The lubricating oil droplets contained in the compressed refrigerant gas discharged from the discharge port 28 are rotated by the discharge port lid 31 provided so as to cover the discharge port 28, and the centrifugal force thereof causes the outer periphery of the rotor 5. It reaches the centrifugal fan part hole 32 provided in the vicinity. The rotation speed of the oil droplets is increased by the centrifugal fan hole 32 so that the oil droplets surely flow out of the rotor 5.
回転子５の外周には、これに近接してこれを囲むととも
に、上側に開口部33を設けたファン囲い34が設けられて
おり、回転子５の外側に出た潤滑油はこの回転子５に連
れ回って開口部33から密閉容器１とこのファン囲い34の
間の空間に放出され、潤滑油溜７に溜る。第３図はこの
ファン囲い34の断面図、第４図はこれを取り付けた状態
の断面図を示し、開口部33は回転子５の長さ方向に沿っ
てファン囲い34に設けられている。A fan enclosure 34 is provided on the outer periphery of the rotor 5 so as to be close to and surround the rotor 5 and to have an opening 33 on the upper side. Is discharged from the opening 33 into the space between the closed container 1 and the fan enclosure 34, and is collected in the lubricating oil sump 7. FIG. 3 is a sectional view of the fan enclosure 34, and FIG. 4 is a sectional view of the fan enclosure 34 with the fan enclosure 34 attached. The opening 33 is provided in the fan enclosure 34 along the length direction of the rotor 5.
第５図は本発明の第２の実施例のスクロール式の電動圧
縮機の縦断面図、第６図はその圧縮機構部の横断面図で
ある。第５図および第６図において、密閉容器41の内部
に圧縮機構42を駆動する電動機43の固定子44が固定さ
れ、この電動機43の回転子45に圧縮機構42を駆動するク
ランク軸46が結合されて、このクランク軸46の回転軸は
ほぼ水平に配置されている。また密閉容器41の下部に潤
滑油溜47が設けられている。FIG. 5 is a vertical sectional view of a scroll type electric compressor according to a second embodiment of the present invention, and FIG. 6 is a transverse sectional view of a compression mechanism portion thereof. 5 and 6, the stator 44 of the electric motor 43 that drives the compression mechanism 42 is fixed inside the closed container 41, and the rotor 45 of the electric motor 43 is connected to the crankshaft 46 that drives the compression mechanism 42. Thus, the rotation axis of the crankshaft 46 is arranged substantially horizontally. A lubricating oil reservoir 47 is provided below the closed container 41.
圧縮機構42は、固定枠体48に固定渦巻羽根49を一体に形
成した固定渦巻羽根部材50と、この固定渦巻羽根49と噛
み合って複数個の圧縮作業空間54を形成する旋回渦巻羽
根51を旋回鏡板52の上に形成した旋回渦巻羽根部材53
と、この旋回渦巻羽根部材53の自転を防止して旋回のみ
をさせる自転拘束部材55とを有し、この旋回鏡板52の渦
巻羽根51とは反対側に設けた旋回駆動軸56は、クランク
軸46の一端に形成した主軸57の内方に設けられてこの旋
回駆動軸56を駆動する偏心軸受58に嵌入され、このクラ
ンク軸46はその主軸57を支承する主軸受59を有する。軸
受部材６に支持されている。この軸受部材61に固定され
て、旋回鏡板52の背面でこの旋回鏡板52にかかる背圧力
を半径方向に仕切る背圧仕切環62が設けられている。ま
た、旋回鏡板52の旋回渦巻羽根51の反対側の面63には吐
出側の圧力より低い気体圧力を作用させている。The compression mechanism 42 swivels a fixed spiral blade member 50 in which a fixed spiral blade 49 is integrally formed on a fixed frame 48, and a swirl spiral blade 51 that meshes with the fixed spiral blade 49 to form a plurality of compression work spaces 54. Swirling spiral blade member 53 formed on the end plate 52
And a rotation restraint member 55 that prevents the rotation of the swirling spiral blade member 53 and only rotates, and the swivel drive shaft 56 provided on the opposite side of the swirl end plate 52 from the spiral blade 51 is a crankshaft. A crankshaft 46 has a main bearing 59 for supporting the main shaft 57, which is provided inside the main shaft 57 formed at one end of the shaft 46 and is fitted into an eccentric bearing 58 for driving the turning drive shaft 56. It is supported by the bearing member 6. A back pressure partition ring 62, which is fixed to the bearing member 61 and partitions the back pressure applied to the swivel mirror plate 52 in the radial direction, is provided on the back surface of the swirl mirror plate 52. Further, a gas pressure lower than the pressure on the discharge side is applied to the surface 63 of the swirl end plate 52 on the opposite side of the swirl spiral blade 51.
圧縮機構42は外周縁部64を密閉容器41に溶接して、密閉
容器41の内部の空間を電動機側と電動機の反対側の空間
に仕切っている。The compression mechanism 42 welds the outer peripheral edge portion 64 to the closed container 41 to partition the space inside the closed container 41 into a space on the side of the electric motor and a space on the opposite side of the electric motor.
圧縮機の吸入管65から直接圧縮機構42の吸入口66に吸入
された冷媒気体は、圧縮作業空間54に圧縮され、吐出口
67から第１吐出室68に入り、吐出連通孔69を経て回転子
45の外周付近に設けた遠心ファン部孔70を通って回転子
45の内側に入り、吐出室71から吐出管72から圧縮機の外
に吐出される。The refrigerant gas sucked directly into the suction port 66 of the compression mechanism 42 from the suction pipe 65 of the compressor is compressed into the compression work space 54, and is discharged from the discharge port.
From 67 to the first discharge chamber 68, through the discharge communication hole 69, the rotor
Rotor through centrifugal fan hole 70 provided near the outer periphery of 45
It enters inside 45 and is discharged from the discharge chamber 71 through the discharge pipe 72 to the outside of the compressor.
また、圧縮冷媒気体が遠心ファン部孔70を通過すると
き、この圧縮冷媒気体に含まれた潤滑油滴に回転が与え
られ、その遠心力により潤滑油滴が再び回転子45の外側
押し出される。この回転子45の外周には、これに近接し
てこれを囲むとともに、上側に開口部73を設けたファン
囲い74が設けられており、この潤滑油がこの回転子45に
連れ回って開口部73から密閉容器41とこのファン囲い74
の間の空間に放出され、潤滑油溜47に溜る。Further, when the compressed refrigerant gas passes through the centrifugal fan portion hole 70, the lubricating oil droplets contained in the compressed refrigerant gas are rotated, and the centrifugal force causes the lubricating oil droplets to be pushed out of the rotor 45 again. On the outer circumference of the rotor 45, a fan enclosure 74 is provided which is close to and surrounds the rotor 45 and has an opening 73 on the upper side. 73 to closed container 41 and this fan enclosure 74
Is discharged into the space between them and accumulates in the lubricating oil sump 47.
発明の効果 以上のように、本発明によれば、圧縮冷媒気体の中に含
まれる潤滑油滴が分離されてファン囲いの外側と密閉容
器の内壁の間の空間の大部分に溜められるので、密閉容
器の直径をほとんど増大することなく、小形低コストの
横型の圧縮機が実現できる。As described above, according to the present invention, since the lubricating oil droplets contained in the compressed refrigerant gas are separated and stored in most of the space between the outside of the fan enclosure and the inner wall of the closed container, A compact, low-cost horizontal compressor can be realized with almost no increase in the diameter of the closed container.
また、潤滑油液面と回転子との接触が避けられるので、
電動機の人力の増大を招くことはない。さらに、そのた
め潤滑油滴を発生させることがない上に、圧縮冷媒気体
中に含まれる潤滑滴を回収できるので、圧縮機から吐出
される潤滑油の量を極めて少量にすることができ、信頼
性の高い圧縮機が実現できる。In addition, contact between the lubricating oil level and the rotor is avoided,
It does not increase the human power of the electric motor. Furthermore, because it does not generate lubricating oil droplets, and because it can collect the lubricating droplets contained in the compressed refrigerant gas, the amount of lubricating oil discharged from the compressor can be made extremely small, and reliability is improved. A high compressor can be realized.
第１図および第２図は本発明の電動圧縮機の第１の実施
例の縦断面図および横断面図、第３図は同電気圧縮機の
ファン囲いの断面図、第４図はこれを取り付けた状態の
断面図、第５図および第６図は本発明の電動圧縮機の第
２の実施例の縦断面図および横断面図、第７図は従来の
電動圧縮機の断面図である。 １……密閉容器、２……圧縮機構、３……電動機、４…
…電動機固定子、５……電動機回転子、６……クランク
軸、７……潤滑油溜、８……固定枠体、９……固定渦巻
羽根、11……旋回渦巻羽根、12……旋回鏡板、14……圧
縮作業空間、16……旋回駆動軸、17……主軸、18……偏
心軸受、19……主軸受、21……軸受部材、25……吸入
管、26……吸入アキュムレーター室、27……吸入口、28
……吐出口、29……吐出室、30……吐出管、31……吐出
口蓋、32……遠心ファン部孔、33……開口部、34……フ
ァン囲い、41……密閉容器、42……圧縮機構、43……電
動機、44……電動機固定子、45……電動機回転子、46…
…クランク軸、47……潤滑油溜、48……固定枠体、49…
…固定渦巻羽根、51……旋回渦巻羽根、52……旋回鏡
板、54……圧縮作業空間、56……旋回駆動軸、57……主
軸、58……偏心軸受、59……主軸受、61……軸受部材、
65……吸入管、66……吸入口、67……吐出口、68……第
１吐出室、69……吐出連通孔、70……遠心ファン部孔、
71……吐出室、72……吐出管、73……開口部、74……フ
ァン囲い。1 and 2 are a longitudinal sectional view and a lateral sectional view of a first embodiment of an electric compressor of the present invention, FIG. 3 is a sectional view of a fan enclosure of the electric compressor, and FIG. 5 is a sectional view of an electric compressor according to a second embodiment of the present invention, and FIG. 7 is a sectional view of a conventional electric compressor. . 1 ... airtight container, 2 ... compression mechanism, 3 ... electric motor, 4 ...
… Motor stator, 5 …… motor rotor, 6 …… crank shaft, 7 …… lubricating oil sump, 8 …… fixed frame, 9 …… fixed spiral blade, 11 …… swirl spiral blade, 12 …… swirl End plate, 14 ... compression work space, 16 ... swivel drive shaft, 17 ... main shaft, 18 ... eccentric bearing, 19 ... main bearing, 21 ... bearing member, 25 ... suction pipe, 26 ... suction accum Calculator room, 27 ... Inlet port, 28
...... Discharge port, 29 …… Discharge chamber, 30 …… Discharge pipe, 31 …… Discharge port lid, 32 …… Centrifugal fan hole, 33 …… Opening part, 34 …… Fan enclosure, 41 …… Sealed container, 42 ...... Compression mechanism, 43 …… motor, 44 …… motor stator, 45 …… motor rotor, 46…
… Crankshaft, 47 …… Lubricating oil reservoir, 48 …… Fixed frame, 49…
… Fixed spiral blade, 51 …… Swirl spiral blade, 52 …… Swirl end plate, 54 …… Compression work space, 56 …… Swirl drive shaft, 57 …… Main shaft, 58 …… Eccentric bearing, 59 …… Main bearing, 61 ... Bearing members,
65 ... suction pipe, 66 ... suction port, 67 ... discharge port, 68 ... first discharge chamber, 69 ... discharge communication hole, 70 ... centrifugal fan hole,
71 …… Discharge chamber, 72 …… Discharge pipe, 73 …… Opening, 74 …… Fan enclosure.
Claims (1)
駆動する圧縮機構を配設し、前記圧縮機構の駆動軸をほ
ぼ水平に配置するとともに、前記電動機の回転子を固定
子の外方に配設し、この回転子の内側または外側に前記
圧縮機構の吐出口を開口し、この回転子に、この回転子
の内側と外側を連通しかつ吐出冷媒気体に遠心力を作用
させて冷媒気体を回転子の外側に向って出すための遠心
ファン部孔を形成し、この遠心ファン部孔と前記回転子
とを囲むファン囲いを設け、このファン囲いの開口部を
前記電動機の上方に設け、前記ファン囲いの外側と前記
密閉容器の間に潤滑油を溜めるようにしたことを特徴と
する電動圧縮機。1. An electric motor and a compression mechanism driven by the electric motor are arranged inside a sealed container, a drive shaft of the compression mechanism is arranged substantially horizontally, and a rotor of the electric motor is arranged outside a stator. And the discharge port of the compression mechanism is opened inside or outside the rotor, the inside and the outside of the rotor are communicated with the rotor, and a centrifugal force is applied to the discharged refrigerant gas to cause the refrigerant to flow. A centrifugal fan part hole for letting out the gas toward the outside of the rotor is formed, a fan enclosure surrounding the centrifugal fan part hole and the rotor is provided, and an opening part of the fan enclosure is provided above the electric motor. An electric compressor characterized in that lubricating oil is stored between the outside of the fan enclosure and the closed container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62333306A JPH076514B2 (en) | 1987-12-29 | 1987-12-29 | Electric compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62333306A JPH076514B2 (en) | 1987-12-29 | 1987-12-29 | Electric compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01178789A JPH01178789A (en) | 1989-07-14 |
| JPH076514B2 true JPH076514B2 (en) | 1995-01-30 |
Family
ID=18264630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62333306A Expired - Lifetime JPH076514B2 (en) | 1987-12-29 | 1987-12-29 | Electric compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH076514B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020003537A (en) * | 2001-11-27 | 2002-01-12 | 박찬석 | Self cleaner by Wireless Electromotor |
| US7988433B2 (en) | 2009-04-07 | 2011-08-02 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US9249802B2 (en) | 2012-11-15 | 2016-02-02 | Emerson Climate Technologies, Inc. | Compressor |
| US10801495B2 (en) | 2016-09-08 | 2020-10-13 | Emerson Climate Technologies, Inc. | Oil flow through the bearings of a scroll compressor |
| US10890186B2 (en) * | 2016-09-08 | 2021-01-12 | Emerson Climate Technologies, Inc. | Compressor |
| US10753352B2 (en) | 2017-02-07 | 2020-08-25 | Emerson Climate Technologies, Inc. | Compressor discharge valve assembly |
| CN109869312B (en) * | 2017-03-29 | 2020-11-17 | 王鸿 | Vacuumizing device and vacuum equipment |
| US11022119B2 (en) | 2017-10-03 | 2021-06-01 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10962008B2 (en) | 2017-12-15 | 2021-03-30 | Emerson Climate Technologies, Inc. | Variable volume ratio compressor |
| US10995753B2 (en) | 2018-05-17 | 2021-05-04 | Emerson Climate Technologies, Inc. | Compressor having capacity modulation assembly |
| US11655813B2 (en) | 2021-07-29 | 2023-05-23 | Emerson Climate Technologies, Inc. | Compressor modulation system with multi-way valve |
| US11846287B1 (en) | 2022-08-11 | 2023-12-19 | Copeland Lp | Scroll compressor with center hub |
-
1987
- 1987-12-29 JP JP62333306A patent/JPH076514B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01178789A (en) | 1989-07-14 |
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| EXPY | Cancellation because of completion of term |