JPH0374588A - Swing link for scroll type fluid machine - Google Patents

Swing link for scroll type fluid machine

Info

Publication number
JPH0374588A
JPH0374588A JP20939489A JP20939489A JPH0374588A JP H0374588 A JPH0374588 A JP H0374588A JP 20939489 A JP20939489 A JP 20939489A JP 20939489 A JP20939489 A JP 20939489A JP H0374588 A JPH0374588 A JP H0374588A
Authority
JP
Japan
Prior art keywords
weight part
swing link
bushing
bush
bushing part
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
Application number
JP20939489A
Other languages
Japanese (ja)
Inventor
Yoshitaka Shibamoto
祥孝 芝本
Sachio Takano
高野 左千夫
Yorihide Higuchi
順英 樋口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP20939489A priority Critical patent/JPH0374588A/en
Publication of JPH0374588A publication Critical patent/JPH0374588A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0021Systems for the equilibration of forces acting on the pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

PURPOSE:To facilitate the machining of a bush part as well as connection between the bush part and a weight part by forming the bush part and weight part of a swing link dividedly and then connecting them mutually through a plate. CONSTITUTION:The fitting hole 15a of a drive pin 72 is provided between a movable scroll 3 and a driving shaft 7, and a swing link SL provided with a balance adjusting weight part 16 and a bush part 15 to be fitted into the boss part 33 of the movable scroll 3 through a journal bearing 14 is interposed therein. In this case, the bush part 15 and the weight part 16 are formed dividedly. The bush part 15 is formed of a straight cylinder body with its fitting hole 15a disposed in the eccentric position. The bush part 15 and the weight part 16 are also mutually connected through a plate 18. The enlargement of parts is thereby prevented, and the machining and connection of the respective parts 15, 16 can be performed simply and positively.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、冷凍装置の圧縮機などに使用するスクロール
形流体機械のスイングリンクに関する。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a swing link of a scroll-type fluid machine used in a compressor of a refrigeration system or the like.

(従来の技術) 従来、スクロール形流体機械は、例えば特開昭81−9
8987号公報に記載され、かつ、第4図に示したごと
く、密閉ケーシング(C)の内方上部に、固定スクロー
ル(Sl)と可動スクロール(S2)とをハウジング(
H)を介して上下対向状に支持し、このハウジング(H
)の下g 11に駆動軸(’K)をもったモータ(M)
を配設すると共に、該駆動軸(K)の上部側に、その回
転動力を前記可動スクール(S2)側に伝達するスイン
グリンク(SL)を取付ける一方、前記可動スクール(
S2)とハウジング(H)との間にオルダムリング(0
)を介装して、このオルダムリング(0)で前記可動ス
クール(S2)の自転を阻止し、該可動スクール(S2
)を前記固定スクロール(Sl)に対して公転駆動させ
るようにしている。
(Prior Art) Conventionally, a scroll type fluid machine has been developed, for example, by
As described in Japanese Patent No. 8987 and shown in FIG. 4, a fixed scroll (Sl) and a movable scroll (S2) are mounted in a housing (
The housing (H) is supported in a vertically opposed manner via the housing (H
) Motor (M) with drive shaft ('K) at lower g 11
At the same time, a swing link (SL) for transmitting the rotational power to the movable school (S2) is attached to the upper side of the drive shaft (K), while a swing link (SL) is attached to the upper side of the drive shaft (K).
Oldham ring (0) is installed between S2) and housing (H).
), this Oldham ring (0) prevents the rotation of the movable school (S2), and the movable school (S2)
) is driven to revolve around the fixed scroll (Sl).

また、前記スイングリンク(SL)は、前記駆動軸(K
)の軸心に対し偏心した挿通孔をもつブツシュ部(BS
)と、該ブツシュ部(BS)から半径方向外方に一体状
に延設されたバランス11w1用のウェイト部(W)と
を備え、前記ブツシュ部(BS)の挿通孔を前記駆動軸
(K)の偏心位置に突設したドライブピン(D P)に
挿嵌さセ、カつ、前記ブツシュ部(BS)の外周側を、
前記可動スクール(S2)の背面側に突設した筒状ボス
部(B)の内部にジャーナル軸受(J)を介して挿嵌支
持させるようにしている。
Further, the swing link (SL) is connected to the drive shaft (K
) has an insertion hole eccentric to the axis of the bush (BS
) and a weight part (W) for the balance 11w1 integrally extending radially outward from the bushing part (BS), and the insertion hole of the bushing part (BS) is connected to the drive shaft (K ), the outer peripheral side of the bushing part (BS) is inserted into the drive pin (DP) protruding from the eccentric position of
The movable school (S2) is fitted and supported through a journal bearing (J) inside a cylindrical boss portion (B) protruding from the back side of the movable school (S2).

(発明が解決しようとする課題) 所で、以上のスイングリンク(SL)は、前記ブツシュ
部(BS)とウェイト部(W)とを予め一体成形するか
、又は、該ウェイト部(W)を前記ブツシュ部(BS)
にカシメ手段で一体に結合するのであるが、前記ブツシ
ュ部(BS)とウェイト部(W)とを一体成形する場合
には、加工が非常に困難となり、また、前記ウェイト部
(W)をブツシュ部(BS)にカシメ手段で一体に結合
する場合には、そのカシメ部位に前記ウェイト部(W)
の遠心力など大きな力が作用するため、強度保障を行う
上で、前記カシメ部位を大きくする必要があって、前記
ジャーナル軸受(J)などを大型化する必要があったの
である。
(Problems to be Solved by the Invention) The swing link (SL) described above can be constructed by integrally molding the bushing part (BS) and the weight part (W) in advance, or by forming the weight part (W) into one piece. The bushing part (BS)
However, when the bushing part (BS) and the weight part (W) are integrally molded, processing becomes very difficult, and the weight part (W) is connected to the bushing part (BS). When the weight part (BS) is integrally connected to the weight part (BS) by caulking means, the weight part (W) is attached to the caulking part.
Since large forces such as centrifugal force act on the bearing, the caulking part had to be made larger to ensure strength, and the journal bearing (J) had to be made larger.

本発明は以上のような問題に鑑みてなしたもので、その
目的は、前記ジャーナル軸受などを大型化したりするこ
となく、簡単に製作することができるスイングリンクを
提供することにある。
The present invention has been made in view of the above problems, and its object is to provide a swing link that can be easily manufactured without increasing the size of the journal bearing or the like.

(課題を解決するための手段) 上記目的を達成するために、本発明では、駆動軸(7)
のドライブピン(72)に挿嵌する挿嵌孔(15a)を
もち、可動スクール(3)の背面側に設ける筒状ボス部
(33)内にジャーナル軸受(14)を介して嵌合する
ブツシュ部(15)と、該ブツシュ部(15)から延び
るウェイト部(16)とを備えたスクロール形流体機械
のスイングリンクにおいて、前記ブツシュ部(15)と
ウェイト部(16)とを各別に形成する乙共に、前記ブ
ツシュ部(16)を、前記挿通孔(15a)を偏心位置
に形成したストレートな筒体により形成して、このブツ
シュ部(15)と前記ウェイト部(16)とを平板(1
8)を介して結合したことを特徴とするものである。
(Means for Solving the Problem) In order to achieve the above object, in the present invention, the drive shaft (7)
The bushing has an insertion hole (15a) into which the drive pin (72) of In the swing link of a scroll type fluid machine, the bushing part (15) and the weight part (16) are formed separately. In both cases, the bushing part (16) is formed of a straight cylindrical body with the insertion hole (15a) formed at an eccentric position, and the bushing part (15) and the weight part (16) are connected to the flat plate (1
8).

(作用) 前記スイングリンクは、ブツシュ部(15)とウェイト
部(16)とがそれぞれ各別に分割形成され、これら両
者が平板(18)で結合されているため、ブツシュ部(
15)はストレートな筒体にでき、前記スイングリンク
の製作、とりわけブツシュ部(15)の加工が簡単にで
きると共に、ウェイト部(16)のブツシュ部(15)
への結合も容易にできるのであり、従来のようにジャー
ナル軸受を大型化することもない。
(Function) In the swing link, the bushing part (15) and the weight part (16) are formed separately and are connected by a flat plate (18).
15) can be made into a straight cylindrical body, which facilitates the production of the swing link, especially the processing of the bushing part (15), and the bushing part (15) of the weight part (16).
It can be easily connected to the bearing, and there is no need to increase the size of the journal bearing as in the past.

(実施例) 第3図は、高圧ドーム型のスクロール形流体機械を示し
ており、密閉ケーシング(1)の内方上部に、鏡板(2
1)の−側面に渦巻体(22)を突設した固定スクロー
ル(2)と、同じく、鏡板(31)の−側面に渦巻体(
32)を突設した可動スクロール(3)とを、ハウジン
グ(4)を介し上下対向状に支持して成る圧縮要素(5
)を配設すると共に、この圧縮要素(5)の下部側にモ
ータ(6)を配設して、該モータ(6)から延びる駆動
軸(7)を前記ハウジング(4)と前記ケーシング(1
)の下部側に設けた支持体(8)とを介して回転自由に
支持する一方、前記ケーシング(1)の上方側壁に、前
記各スクロール(2)(3)における渦椎体(22)(
32)の外周部位に形成した吸入ポート(9)に開口す
る吸入管(10)を接続している。
(Example) Fig. 3 shows a high-pressure dome-type scroll-type fluid machine, in which an end plate (2
A fixed scroll (2) with a spiral body (22) protruding from the side surface of 1), and a spiral body (22) protruding from the side surface of the end plate (31).
A compression element (5) is formed by supporting a movable scroll (3) having a protruding movable scroll (32) vertically opposed to each other via a housing (4).
), and a motor (6) is disposed on the lower side of the compression element (5), and a drive shaft (7) extending from the motor (6) is connected to the housing (4) and the casing (1).
) is rotatably supported via a support (8) provided on the lower side of the scroll, while the vortex vertebral bodies (22) (
A suction pipe (10) that opens to a suction port (9) formed on the outer circumference of the main body (32) is connected to the suction pipe (10).

また、前記固定スクロール(2)の中心部に、前記ケー
シング(1)の上部空間に開口される吐出ポー) (2
3)を設けると共に、前記ケーシング(1)の上部空間
と前記モータ(6)の下部空間との間に連絡管(11)
を介装する一方、前記ケーシング(1)の側壁でハウジ
ング(4)とモータ(6)との中間部位に吐出管(12
)を接続して、前記吸入管(10)から吸入ボート(9
)に吸入された吸入流体を、前記各渦巻体(22)(3
2)間の圧縮室で圧縮して、前記吐出ポート(23)か
らケーシング(1)の上部空間へと吐出させ、この上部
空間に吐出された高圧流体を前記連絡管(11)を介し
てモータ(El)の下部側に導き、該モータ(6)のエ
アギャップ(θa)などを経て前記吐出管(12)へと
吐出させ、前記エアギャップ(6a)などを通過すると
き、前記モータ全体を冷却すると共に、油分離も行なえ
るようにしている。
Further, a discharge port (2) that is opened in the upper space of the casing (1) at the center of the fixed scroll (2)
3), and a connecting pipe (11) between the upper space of the casing (1) and the lower space of the motor (6).
On the other hand, a discharge pipe (12
) from the suction pipe (10) to the suction boat (9).
) into each spiral body (22) (3).
2) The high-pressure fluid is compressed in the compression chamber between and discharged from the discharge port (23) into the upper space of the casing (1), and the high-pressure fluid discharged into the upper space is passed through the communication pipe (11) to the motor. (El) to the lower side of the motor (El), and discharges the air through the air gap (θa) of the motor (6) to the discharge pipe (12), and when passing through the air gap (6a), the entire motor In addition to cooling, it also allows for oil separation.

更に、前記可動スクロール(3)の下部側背面と前記ハ
ウジング(4)との間に、前記ケーシング(1)の内部
と画成され、該ケーシング(1)内の高圧圧力より低圧
となる背面室(13)を形成すると共に、前記駆動軸(
7)の上部側に径大鍔部(71)を設けて、該鍔部(7
1)の回転中心に対し偏心した位置から前記背面室(1
3)に向けてドライブピン(72)を一体に突設する一
方、前記可動スクール(3)の中央下部側に、前記背面
室(13)に突入する筒状ボス部(33)を一体に設け
ている。
Furthermore, a back chamber is defined between the lower back surface of the movable scroll (3) and the housing (4) and is defined from the inside of the casing (1) and has a pressure lower than the high pressure inside the casing (1). (13) and the drive shaft (
A large diameter flange (71) is provided on the upper side of the flange (7).
1) from a position eccentric to the rotation center of the rear chamber (1).
A drive pin (72) is integrally provided to protrude toward the movable school (3), and a cylindrical boss portion (33) that protrudes into the rear chamber (13) is integrally provided at the lower center side of the movable school (3). ing.

また、前記可動スクール(3)と駆動軸(7)との間に
は、そのドライブピン(72)に挿嵌される挿嵌孔(1
5a)をもち、かつ、前記可動スクール(3)のボス部
(33)にジャーナル軸受(14)を介して挿嵌される
ブツシュ部(15)と、バランス調節用のウェイト部(
16)とを備えたスイングリンク(SL)を介装させ、
斯かるスイングリンク(SL)で前記駆動軸(7)の回
転動力を可動スクール(3)側に伝達するようになすと
共に、該可動スクール(3)と前記ハウジング(4)と
の間にオルダムリング(17)を介装して、このオルダ
ムリング(17)で前記可動スクール(3)の自転を阻
止し、該可動スクール(3)を前記固定スクロール(2
)に対して公転駆動させるようにしている。
Further, between the movable school (3) and the drive shaft (7), there is an insertion hole (1) into which the drive pin (72) is inserted.
5a) and a bushing part (15) which is inserted into the boss part (33) of the movable school (3) via a journal bearing (14), and a weight part (
16) A swing link (SL) is provided,
The swing link (SL) transmits the rotational power of the drive shaft (7) to the movable school (3), and an Oldham ring is provided between the movable school (3) and the housing (4). (17), the Oldham ring (17) prevents the rotation of the movable school (3), and the movable school (3)
).

しかして以上のスイングリンク(SL)を、次のように
構成したのであり、即ち、前記ブツシュ部(15)とウ
ェイト部(IB)とを各別に分割形成すると共に、前記
ブツシュ部(15)を前記押通孔(15a)が偏心位置
に設けられたストレートな筒体で形成して、このブツシ
ュ部(15)と前記ウェイト部(16)とを平板(18
)を介して結合させたのである。
Therefore, the above swing link (SL) was constructed as follows. That is, the bushing part (15) and the weight part (IB) are formed separately, and the bushing part (15) is formed separately. The push-through hole (15a) is formed of a straight cylinder provided at an eccentric position, and the bushing part (15) and the weight part (16) are connected to a flat plate (18).
).

具体的には、第1図及び第2図で明らかにしたごとく、
円形状をなす平板(18)を用い、該平板(18)の中
心に対して偏心した位置に、前記ブツシュ部(15)よ
りもやや小径とされた押通孔(18a)を開設して、こ
の挿通孔(18a)を圧入手段などでストレートな筒体
から成る前記ブツシュ部(15)の下方外周部位に一体
に結合すると共に、前記平板(18)の外周上方部位で
前記押通孔(18a)とは反対側に、複数の連結ビン(
18b)を介して、概略半円弧形状とされた前記ウェイ
ト部(16)を一体に結合するのであり、斯かる構成と
することにより、前記スイングリンク(SL)の製作と
りわけブツシュ部(15)の加工及びブツシュ部(15
)とウェイト部(16)との結合が簡単に行えるだけで
はなく、前記ウェイト部(16)の重量調節、つまり前
記可動スクール(3)などに対するバランス調節も容易
に行えるのである。
Specifically, as shown in Figures 1 and 2,
Using a circular flat plate (18), a push-through hole (18a) with a slightly smaller diameter than the bushing part (15) is opened at a position eccentric to the center of the flat plate (18), The insertion hole (18a) is integrally connected to the lower outer periphery of the straight cylindrical bushing part (15) by press-fitting means, and the push-through hole (18a) is connected to the upper outer periphery of the flat plate (18). ) on the opposite side, multiple connected bins (
18b), the weight portion (16), which has a roughly semicircular arc shape, is integrally connected to the weight portion (16), and by adopting such a configuration, the production of the swing link (SL), especially the bush portion (15), is simplified. Processing and bushing department (15
) and the weight part (16) can be easily performed, and the weight of the weight part (16), that is, the balance with respect to the movable school (3), etc. can also be easily adjusted.

また、前記平板(18)とウェイト部(16)とには、
前記駆動軸(7)の鍔部(71)から延びるリミットピ
ン挿通用の通孔(19)を設けている。
Further, the flat plate (18) and the weight part (16) include
A through hole (19) for inserting a limit pin is provided extending from the flange (71) of the drive shaft (7).

尚、各図の実施例では、前記駆動軸(7)の内部に、下
部側が前記ケーシング(1)の底部油溜(1a)に臨み
、かつ、上ffl側が前記ドライブピン(72)の上端
に開口される給油孔(73)を形成して、前記ケーシン
グ(1)内と前記背面室(13)との高低差圧で前記油
溜(la)から給油孔(73)へと油を汲上げ、前記駆
動軸(7)の軸受箇所や、前記ドライブピン(72)に
挿嵌されるブツシュ部(15)の挿嵌孔(15a)及び
前記ジャーナル軸受(14)に給油するようにしている
In the embodiment shown in each figure, the lower side faces the bottom oil sump (1a) of the casing (1) inside the drive shaft (7), and the upper ffl side faces the upper end of the drive pin (72). An oil supply hole (73) is formed to be opened, and oil is pumped up from the oil reservoir (la) to the oil supply hole (73) by a pressure difference between the inside of the casing (1) and the back chamber (13). , the bearing portion of the drive shaft (7), the insertion hole (15a) of the bushing portion (15) into which the drive pin (72) is inserted, and the journal bearing (14) are supplied with oil.

(発明の効果) 以上説明したように、本発明のスイングリンクでは、ブ
ツシュ部(15)とウェイト部(16)とを各別に分割
形成すると共に、前記ブツシュ部(15)をストレート
な筒体で形成して、このブツシュ部(15)と前記ウェ
イト部(16)とを平板(18)を介して結合させたか
ら、部品の大型化を招いたりすることなく、スイングリ
ンクの製作、とりわけブツシュ部(15)の加工及びブ
ツシュ部(15)とウェイト部(16)との結合を簡単
にできるに至ったのである。
(Effects of the Invention) As explained above, in the swing link of the present invention, the bushing part (15) and the weight part (16) are separately formed, and the bushing part (15) is formed of a straight cylindrical body. Since the bushing part (15) and the weight part (16) are formed and connected through the flat plate (18), it is possible to easily manufacture the swing link, especially the bushing part ( 15) and the connection between the bushing part (15) and the weight part (16) can now be easily performed.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明にかかるスクロール形流体機械のスイン
グリンクを示す断面図、第2図は同要部の平面図、第3
図は同スクロール形流体機械の全体構造を示す縦断面図
、第4図は従来例を示す断面図である。 (3)・・・・・可動スクール (33)・・・・筒状ボス部 (7)・・・・・駆動軸 (72)・・・・ドライブピン (14)・・・・ジャーナル軸受 (15)・・・・ブツシュ部 (16)・・・・ウェイト部 (18)・・・・平板
FIG. 1 is a sectional view showing a swing link of a scroll-type fluid machine according to the present invention, FIG. 2 is a plan view of the main part, and FIG.
The figure is a longitudinal cross-sectional view showing the overall structure of the same scroll-type fluid machine, and FIG. 4 is a cross-sectional view showing a conventional example. (3)...Movable school (33)...Cylindrical boss (7)...Drive shaft (72)...Drive pin (14)...Journal bearing ( 15)... Bush part (16)... Weight part (18)... Flat plate

Claims (1)

【特許請求の範囲】[Claims] 1)駆動軸(7)のドライブピン(72)に挿嵌する挿
嵌孔(15a)をもち、可動スクール(3)の背面側に
設ける筒状ボス部(33)内にジャーナル軸受(14)
を介して嵌合するブッシュ部(15)と、該ブッシュ部
(15)から延びるウェイト部(16)とを備えたスク
ロール形流体機械のスイングリンクであって、前記ブッ
シュ部(15)とウェイト部(16)とを各別に形成す
ると共に、前記ブッシュ部(15)を、前記挿通孔(1
5a)を偏心位置に形成したストレートな筒体により形
成して、このブッシュ部(15)と前記ウェイト部(1
6)とを平板(18)を介して結合したことを特徴とす
るスクロール形流体機械のスイングリンク。
1) A journal bearing (14) is installed in a cylindrical boss (33) provided on the back side of the movable school (3) and has an insertion hole (15a) that fits into the drive pin (72) of the drive shaft (7).
A swing link for a scroll type fluid machine, comprising a bushing part (15) that fits through the bushing part (15), and a weight part (16) extending from the bushing part (15), wherein the bushing part (15) and the weight part (16) are formed separately, and the bush portion (15) is formed in the insertion hole (1
5a) is formed by a straight cylindrical body formed at an eccentric position, and this bushing part (15) and the weight part (1
6) are connected to each other via a flat plate (18).
JP20939489A 1989-08-11 1989-08-11 Swing link for scroll type fluid machine Pending JPH0374588A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20939489A JPH0374588A (en) 1989-08-11 1989-08-11 Swing link for scroll type fluid machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20939489A JPH0374588A (en) 1989-08-11 1989-08-11 Swing link for scroll type fluid machine

Publications (1)

Publication Number Publication Date
JPH0374588A true JPH0374588A (en) 1991-03-29

Family

ID=16572174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20939489A Pending JPH0374588A (en) 1989-08-11 1989-08-11 Swing link for scroll type fluid machine

Country Status (1)

Country Link
JP (1) JPH0374588A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003002317A (en) * 2001-06-25 2003-01-08 Mitsubishi Electric Corp Packaging box and cargo-handling pallet therefor
KR100370827B1 (en) * 2000-08-03 2003-02-05 김경한 Device for shake preventive of spreader
US6752607B2 (en) * 2002-02-09 2004-06-22 Lg Electronics Inc. Apparatus for reducing friction loss in scroll compressor
US7104771B2 (en) * 2003-12-16 2006-09-12 Lg Electronics Inc. Eccentric bush structure in radial compliance scroll compressor
US7175402B2 (en) 2003-12-16 2007-02-13 Lg Electronics Inc. Eccentric coupling device in radial compliance scroll compressor
US11143184B2 (en) 2016-10-28 2021-10-12 Mitsubishi Electric Corporation Scroll compressor, refrigeration cycle apparatus, and shell

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100370827B1 (en) * 2000-08-03 2003-02-05 김경한 Device for shake preventive of spreader
JP2003002317A (en) * 2001-06-25 2003-01-08 Mitsubishi Electric Corp Packaging box and cargo-handling pallet therefor
US6752607B2 (en) * 2002-02-09 2004-06-22 Lg Electronics Inc. Apparatus for reducing friction loss in scroll compressor
US7104771B2 (en) * 2003-12-16 2006-09-12 Lg Electronics Inc. Eccentric bush structure in radial compliance scroll compressor
US7175402B2 (en) 2003-12-16 2007-02-13 Lg Electronics Inc. Eccentric coupling device in radial compliance scroll compressor
US11143184B2 (en) 2016-10-28 2021-10-12 Mitsubishi Electric Corporation Scroll compressor, refrigeration cycle apparatus, and shell

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