JPH07229498A - Rotary compressor - Google Patents
Rotary compressorInfo
- Publication number
- JPH07229498A JPH07229498A JP6022298A JP2229894A JPH07229498A JP H07229498 A JPH07229498 A JP H07229498A JP 6022298 A JP6022298 A JP 6022298A JP 2229894 A JP2229894 A JP 2229894A JP H07229498 A JPH07229498 A JP H07229498A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- roller
- wall
- rotary compressor
- crankshaft
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は密閉形回転圧縮機に係
り、特に、クランク軸及びローラを変更することなく押
除量を変更出来ることを可能とした回転式圧縮機に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hermetic rotary compressor, and more particularly to a rotary compressor capable of changing a pushing amount without changing a crankshaft and rollers.
【０００２】[0002]
【従来の技術】従来の密閉形回転圧縮機を図７、ないし
図８を用いて説明する。2. Description of the Related Art A conventional hermetic rotary compressor will be described with reference to FIGS.
【０００３】図７は、例えば、特開平４−１３２８９４
号公報に示された密閉形回転圧縮機の縦断面図を示す。FIG. 7 shows, for example, Japanese Unexamined Patent Publication No. 4-132894.
FIG. 2 is a vertical cross-sectional view of the hermetic rotary compressor disclosed in Japanese Patent Publication.
【０００４】図８は、従来の密閉形回転圧縮機の圧縮要
素部を示す 図７において、１は密閉容器であって、この密閉容器１
内に電動要素２と圧縮要素３とが収納されている。FIG. 8 shows a compression element portion of a conventional hermetic rotary compressor. In FIG. 7, reference numeral 1 denotes a hermetic container, and the hermetic container 1
The electric element 2 and the compression element 3 are housed therein.
【０００５】電動要素２は回転子と固定子から成り、回
転子にはクランク軸４が嵌入されている。The electric element 2 comprises a rotor and a stator, and a crankshaft 4 is fitted in the rotor.
【０００６】圧縮要素３はシリンダ５、クランク軸４、
このクランク軸４の軸受とシリンダ５の側壁を兼ね、こ
のシリンダ５の両側に配設されている上軸受６、下軸受
７、クランク軸４に嵌められ、シリンダ５の内側に沿っ
て偏心回転するローラ８、このローラ８に先端が当接し
他端がばね９に押されながら、シリンダ５の溝内を往復
運動するベーン１０から成っている。The compression element 3 includes a cylinder 5, a crankshaft 4,
The bearing of the crankshaft 4 serves also as the side wall of the cylinder 5, and is fitted to the upper bearing 6, the lower bearing 7, and the crankshaft 4 arranged on both sides of the cylinder 5, and eccentrically rotates along the inside of the cylinder 5. It comprises a roller 8 and a vane 10 which reciprocates in the groove of the cylinder 5 while the tip of the roller 8 contacts the roller 8 and the other end is pressed by the spring 9.
【０００７】上記の如く構成されたものにおいて、密閉
形回転圧縮機を運転し、クランク軸４が回転すると、そ
れに追従してローラ８が偏心回転し、冷媒吸入管１１か
ら流入した冷媒ガスを圧縮して、下軸受７に配設した吐
出孔（図示せず）、吐出弁（図示せず）から下軸受７に
固定された吐出サイレンサ（図示せず）を通過し、連通
孔（図示せず）を経て密閉容器１内に放出され、その後
密閉容器１に固定された吐出接続管１２を経て、密閉容
器１外へ導出される。When the hermetic rotary compressor is operated and the crankshaft 4 rotates, the roller 8 eccentrically rotates following the rotation of the crankshaft 4 to compress the refrigerant gas flowing from the refrigerant suction pipe 11. Then, a discharge hole (not shown) provided in the lower bearing 7 and a discharge silencer (not shown) fixed to the lower bearing 7 are passed from a discharge valve (not shown) to a communication hole (not shown). ) And is discharged into the closed container 1, and then is discharged to the outside of the closed container 1 through the discharge connection pipe 12 fixed to the closed container 1.
【０００８】図８において、斜線部は密閉形回転圧縮機
の押除量を表わす。In FIG. 8, the shaded portion represents the pushing amount of the hermetic rotary compressor.
【０００９】ここで、同一密閉容器１で押除量を変更す
るためには、クランク軸の偏心量、およびそれに合わせ
たローラ８の形状、シリンダ５の内径、あるいは許容で
きる範囲でシリンダ５の厚みを増減させる等の方法が取
られている。Here, in order to change the pushing amount in the same closed container 1, the amount of eccentricity of the crankshaft, the shape of the roller 8 according to it, the inner diameter of the cylinder 5, or the thickness of the cylinder 5 within an allowable range. The method of increasing or decreasing is taken.
【００１０】[0010]
【発明が解決しようとする課題】上記従来技術では、製
造に高度な加工技術、且つ厳しい精度が要求されるクラ
ンク軸４ローラ８を変更するため、加工工数が増加する
場合がありコストアップにつながると考えられる。In the above-mentioned prior art, since the crankshaft 4 roller 8 which requires high processing technology and strict accuracy in manufacturing is changed, the number of processing steps may increase, resulting in cost increase. it is conceivable that.
【００１１】本発明の目的は、製造上高度な加工技術と
厳しい精度が要求されるクランク軸４、ローラ８を変更
することなく、押除量を変更出来る密閉形回転圧縮機を
提供することにある。An object of the present invention is to provide a hermetic rotary compressor which can change the pushing amount without changing the crankshaft 4 and the roller 8 which require high processing technology and strict precision in manufacturing. is there.
【００１２】[0012]
【課題を解決するための手段】上記目的を達成するため
に本発明は、冷凍機油を貯溜した密閉容器１内に、回転
子と固定子からなる電動要素部２と前記回転子に嵌着さ
れ偏心部を持つクランク軸４と、前記偏心部に嵌着さ
れ、シリンダ５内を回転するローラ８及びローラ８に先
端が当接し、シリンダ５の溝内を往復運動するベーン１
０を持った圧縮要素部３とを収納した密閉形回転圧縮機
において、図１に示す如くシリンダ５内径の大部分寸法
に対し、径寸法の大となる部分１４を、シリンダ５内壁
部の吸い込み口１３に接し、設けたものである。In order to achieve the above-mentioned object, the present invention is fitted in an electric element 2 comprising a rotor and a stator and the rotor in a closed container 1 in which refrigerating machine oil is stored. A crankshaft 4 having an eccentric portion, and a roller 8 fitted into the eccentric portion and rotating in the cylinder 5, and a tip of the roller 8 abuts on the roller 8 and reciprocates in a groove of the cylinder 5.
In the hermetic rotary compressor that accommodates the compression element portion 3 having 0, as shown in FIG. 1, a portion 14 having a large diameter dimension with respect to a large portion of the inner diameter of the cylinder 5 is sucked into the inner wall portion of the cylinder 5. It is provided in contact with the mouth 13.
【００１３】[0013]
【作用】上記本発明の技術的手段による働きは次の通り
である。The function of the technical means of the present invention is as follows.
【００１４】図７及び、図８に示す如く従来技術では、
冷凍機油を貯溜した密閉容器１内に、回転子と固定子か
らなる電動要素部２と前記回転子に嵌着され偏心部を持
つクランク軸４と、前記偏心部に嵌着され、シリンダ５
内を回転するローラ８及びローラ８に先端が当接し、シ
リンダ５の溝内を往復運動するベーン１０を持った圧縮
要素部３とを収納した密閉形回転圧縮機において、この
密閉形回転圧縮機を運転し、クランク軸４が回転する
と、それに追従してローラ８が偏心回転し、このローラ
８に先端が当接し他端がばね９に押されながら、シリン
ダ５の溝内を往復運動するベーン１０により圧縮室を形
成し、冷媒吸入管１１から流入した冷媒ガスを圧縮する
際、ローラ８がシリンダ５の内壁に設けてある吸い込み
口１３を覆う位置に来たとき圧縮を開始する。In the prior art as shown in FIGS. 7 and 8,
In an airtight container 1 in which refrigerating machine oil is stored, an electric element part 2 including a rotor and a stator, a crankshaft 4 fitted to the rotor and having an eccentric part, and a cylinder 5 fitted to the eccentric part.
A hermetic rotary compressor that houses a roller 8 that rotates inside and a compression element portion 3 that has a vane 10 that reciprocates in the groove of the cylinder 5 when its tip is in contact with the roller 8, When the crankshaft 4 rotates, the roller 8 eccentrically rotates following the rotation of the crankshaft 4. The vane reciprocates in the groove of the cylinder 5 while the tip of the roller 8 abuts and the other end is pushed by the spring 9. A compression chamber is formed by 10, and when the refrigerant gas flowing from the refrigerant suction pipe 11 is compressed, the compression is started when the roller 8 reaches a position that covers the suction port 13 provided on the inner wall of the cylinder 5.
【００１５】上記従来技術に対して、図１に示す如く本
発明では、冷凍機油を貯溜した密閉容器１内に、回転子
と固定子からなる電動要素部２と前記回転子に嵌着され
偏心部を持つクランク軸４と、前記偏心部に嵌着され、
シリンダ５内を回転するローラ８及びローラ８に先端が
当接し、シリンダ５の溝内を往復運動するベーン１０を
持った圧縮要素部３とを収納した密閉形回転圧縮機にお
いて、この密閉形回転圧縮機を運転し、クランク軸４が
回転すると、それに追従してローラ８が偏心回転し、こ
のローラ８に先端が当接し他端がばね９に押されなが
ら、シリンダ５の溝内を往復運動するベーン１０により
圧縮室を形成し、冷媒吸入管１１から流入した冷媒ガス
を圧縮する際、シリンダ５内径の大部分寸法に対し径寸
法の大となる部分１４を、シリンダ５内壁部の吸い込み
口１３に接し設けたことにより、その区間においてシリ
ンダ５内壁と、ローラ８外壁の間の油膜によるシールが
形成されず、圧縮作用が行なわれなくなる。そして、ロ
ーラ８がシリンダ５内壁の吸い込み口１３を越え、シリ
ンダ５内壁の吸い込み口１３に接し、シリンダ５内径の
大部分寸法に対して径寸法の大となる部分１４に達し、
ふさぐ位置にきたとき圧縮を開始する。すなわち、本発
明は圧縮開始位置を回転方向に遅らせたことで、押除量
を小さくするものである。In contrast to the above-mentioned prior art, as shown in FIG. 1, in the present invention, an electric element portion 2 composed of a rotor and a stator and an eccentricity are fitted to the rotor in a closed container 1 in which refrigerating machine oil is stored. A crankshaft 4 having a portion, and fitted to the eccentric portion,
In a hermetic rotary compressor that houses a roller 8 that rotates in the cylinder 5 and a compression element portion 3 having a vane 10 that reciprocates in the groove of the cylinder 5 with its tip abutting, the hermetic rotary compressor When the compressor is operated and the crankshaft 4 rotates, the roller 8 eccentrically rotates following the rotation of the crankshaft 4, and the tip of the roller 8 comes into contact with the roller 8 while the other end is pushed by the spring 9 while reciprocating in the groove of the cylinder 5. The compression chamber is formed by the vane 10 and when the refrigerant gas flowing from the refrigerant suction pipe 11 is compressed, the portion 14 having a larger diameter than the inner diameter of the cylinder 5 is connected to the suction port of the inner wall of the cylinder 5. By being provided in contact with 13, the seal between the inner wall of the cylinder 5 and the outer wall of the roller 8 due to the oil film is not formed in that section, and the compression action is not performed. Then, the roller 8 passes over the suction port 13 on the inner wall of the cylinder 5, contacts the suction port 13 on the inner wall of the cylinder 5, and reaches a portion 14 having a large diameter dimension with respect to most of the inner diameter of the cylinder 5,
When it reaches the blocking position, compression starts. That is, the present invention reduces the pushing amount by delaying the compression start position in the rotational direction.
【００１６】図２は、従来技術と本発明の作用を比較す
るため、圧縮開始位置の違いによる実吐出量の差を縦軸
にシリンダ内圧力、横軸にクランク軸角度をとった線図
にて表したもので、従来技術を「大径なし」、本発明を
「大径あり」で示す。In order to compare the operation of the prior art and the present invention, FIG. 2 is a diagram in which the difference in the actual discharge amount due to the difference in the compression start position is the cylinder pressure on the vertical axis and the crankshaft angle on the horizontal axis. The prior art is indicated by "no large diameter" and the present invention is indicated by "large diameter".
【００１７】図２より、従来技術と本発明による密閉形
回転圧縮機をそれぞれ同じ圧力条件にて運転した場合、
従来技術に対して本発明ではシリンダ内圧力の変化量す
なわち、吸い込み圧力Ｐｓと吐出圧力Ｐｄの差は一定で
あるが、圧縮開始が遅れることで実吐出量が少なくなる
のが容易に分かり、本発明の作用をよく説明出来る。As shown in FIG. 2, when the conventional rotary compressor and the hermetic rotary compressor according to the present invention are operated under the same pressure conditions,
In the present invention, the amount of change in cylinder pressure, that is, the difference between the suction pressure Ps and the discharge pressure Pd is constant in the present invention, but it is easy to see that the actual discharge amount decreases due to the delay in the start of compression. Explain the action of the invention well.
【００１８】[0018]
【実施例】以下、本発明の実施例を図１及び図３及び図
４及び図５及び図６を参照して説明する。Embodiments of the present invention will be described below with reference to FIGS. 1, 3 and 4, 5 and 6.
【００１９】図１は、本発明の一実施例を示す密閉形回
転圧縮機の圧縮要素部図。FIG. 1 is a compression element view of a hermetic rotary compressor showing an embodiment of the present invention.
【００２０】図３及び図４及び図５及び図６は、本発明
の他の実施例を示す密閉形回転圧縮機のシリンダ５内壁
の吸い込み口１３に接した位置に設けた、シリンダ５内
径の大部分寸法に対して径寸法の大となる部分１４の拡
大斜視図である。FIGS. 3 and 4 and FIGS. 5 and 6 show the inner diameter of the cylinder 5 provided at a position in contact with the suction port 13 of the inner wall of the cylinder 5 of the hermetic rotary compressor according to another embodiment of the present invention. It is an expansion perspective view of the part 14 whose diameter dimension becomes large with respect to most part dimensions.
【００２１】図１において、冷凍機油を貯溜した密閉容
器１内に、回転子と固定子からなる電動要素部２と前記
回転子に嵌着され偏心部を持つクランク軸４と、前記偏
心部に嵌着され、シリンダ５内を回転するローラ８及び
ローラ８に先端が当接し、シリンダ５の溝内を往復運動
するベーン１０を持った圧縮要素部３とを収納した密閉
形回転圧縮機を運転し、クランク軸４が回転すると、そ
れに追従してローラ８が偏心回転し、このローラ８に先
端が当接し他端がばね９に押されながら、シリンダ５の
溝内を往復運動するベーン１０により圧縮室を形成し、
冷媒吸入管１１から流入した冷媒ガスを圧縮する際、シ
リンダ５内壁の吸い込み口１３に接した位置に、シリン
ダ５内径の大部分寸法に対して径寸法の大となる部分１
４を設けたことにより、シリンダ５内壁と、ローラ８外
壁の間の油膜によるシールが形成されず、その区間にお
いては圧縮作用が行なわれなくなる。すなわち、圧縮開
始位置を回転方向に遅らせることで、図示斜線部の如く
従来クランク軸４とローラ８をそのまま用いて押除量を
小さく出来る。In FIG. 1, an electric element portion 2 composed of a rotor and a stator, a crankshaft 4 fitted to the rotor and having an eccentric portion, and an eccentric portion are provided in a closed container 1 in which refrigerating machine oil is stored. The hermetically sealed rotary compressor is housed, which includes the roller 8 which is fitted and which rotates in the cylinder 5 and the tip of which abuts against the roller 8 and the compression element portion 3 having the vane 10 which reciprocates in the groove of the cylinder 5. When the crankshaft 4 rotates, the roller 8 eccentrically rotates following the rotation of the crankshaft 4, and the vane 10 reciprocates in the groove of the cylinder 5 while the tip of the roller 8 contacts the roller 8 and the other end is pushed by the spring 9. Forming a compression chamber,
When compressing the refrigerant gas flowing from the refrigerant suction pipe 11, a portion 1 having a larger diameter than the inner diameter of the cylinder 5 is located at a position in contact with the suction port 13 on the inner wall of the cylinder 5.
By providing 4, the oil film seal between the inner wall of the cylinder 5 and the outer wall of the roller 8 is not formed, and the compression action is not performed in that section. That is, by delaying the compression start position in the rotation direction, the amount of pushing can be reduced by using the conventional crankshaft 4 and the roller 8 as they are, as indicated by the hatched portion in the figure.
【００２２】また、上記効果の他、シリンダ５内壁の吸
い込み口１３に接した位置に、シリンダ５内径の大部分
寸法に対して径寸法の大となる部分１４を吸込口に接
し、且つローラの回転方向に沿って設けたことにより、
吸い込みガスの流路損失も低減できる。In addition to the above-mentioned effects, at a position on the inner wall of the cylinder 5 which is in contact with the suction port 13, a portion 14 having a diameter larger than that of the inner diameter of the cylinder 5 is in contact with the suction port, and the roller By providing along the rotation direction,
The flow path loss of the sucked gas can also be reduced.
【００２３】図３において、図１に示したシリンダ５内
壁の吸い込み口１３に接して、シリンダ５内壁とローラ
８外壁の間の油膜によるシールが形成されない、シリン
ダ５内径の大部分寸法に対して径寸法の大となる部分１
４の具体的な形状について示す。本形状は、上記したも
のと同様の効果が得られ、型による焼結金属等の一体成
形あるいは機械加工にて製作可能であり、厳しい寸法精
度、仕上げ面粗さも要求されない。このため製造上高度
な加工技術と厳しい精度が要求されるクランク軸４、ロ
ーラ８を変更することなく、押除量を変更出来る。In FIG. 3, for most of the inner diameter of the cylinder 5 in which the oil film seal between the inner wall of the cylinder 5 and the outer wall of the roller 8 is not formed in contact with the suction port 13 of the inner wall of the cylinder 5 shown in FIG. Large diameter part 1
A specific shape of No. 4 will be described. This shape has the same effects as those described above, and can be manufactured by integral molding of a sintered metal or the like by a mold or machining, and strict dimensional accuracy and finished surface roughness are not required. Therefore, the pushing amount can be changed without changing the crankshaft 4 and the roller 8, which require high processing technology and strict accuracy in manufacturing.
【００２４】図４において、図１に示したシリンダ５内
壁の吸い込み口１３に接して、シリンダ５内壁とローラ
８外壁の間の油膜によるシールが形成されない、シリン
ダ５内径の大部分寸法に対して径寸法の大となる部分１
４の具体的な形状について示す。本形状は、型による焼
結金属等の一体成形あるいは機械加工にて製作可能であ
り、厳しい寸法精度、仕上げ面粗さも要求されない他、
比較的強度を保った状態で上記したものと同様の効果が
得られる。In FIG. 4, with respect to most of the inner diameter of the cylinder 5 where the oil film seal between the inner wall of the cylinder 5 and the outer wall of the roller 8 is not formed in contact with the suction port 13 of the inner wall of the cylinder 5 shown in FIG. Large diameter part 1
A specific shape of No. 4 will be described. This shape can be manufactured by integral molding or machining of sintered metal etc. with a mold, and strict dimensional accuracy and finished surface roughness are not required,
The same effects as those described above can be obtained while maintaining a relatively high strength.
【００２５】図５において、図１に示したシリンダ５内
壁の吸い込み口１３に接して、シリンダ５内壁とローラ
８外壁の間の油膜によるシールが形成されない、シリン
ダ５内径の大部分寸法に対して径寸法の大となる部分１
４の具体的な形状について示す。本形状は、機械加工に
て製作可能であり、厳しい寸法精度、仕上げ面粗さも要
求されない他、比較的寸法管理がしやすく上記したもの
と同様の効果が得られる。In FIG. 5, with respect to most of the inner diameter of the cylinder 5 in which the oil film seal between the inner wall of the cylinder 5 and the outer wall of the roller 8 is not formed in contact with the suction port 13 of the inner wall of the cylinder 5 shown in FIG. Large diameter part 1
A specific shape of No. 4 will be described. This shape can be manufactured by machining, does not require strict dimensional accuracy and finish surface roughness, and is relatively easy to control in dimensions, and the same effects as those described above can be obtained.
【００２６】図６において、図１に示したシリンダ５内
壁の吸い込み口１３に接して、シリンダ５内壁とローラ
８外壁の間の油膜によるシールが形成されない、シリン
ダ５内径の大部分寸法に対して径寸法の大となる部分１
４の具体的な形状について示す。本形状は、型による焼
結金属等の一体成形あるいは機械加工にて製作可能であ
り、厳しい寸法精度、仕上げ面粗さも要求されない他、
比較的強度を保った状態で且つ寸法管理がしやすく、上
記したものと同様の効果が得られる。In FIG. 6, for most of the inner diameter of the cylinder 5 where the oil film seal between the inner wall of the cylinder 5 and the outer wall of the roller 8 is not formed in contact with the suction port 13 of the inner wall of the cylinder 5 shown in FIG. Large diameter part 1
A specific shape of No. 4 will be described. This shape can be manufactured by integral molding or machining of sintered metal etc. with a mold, and strict dimensional accuracy and finished surface roughness are not required,
While maintaining a relatively high strength, size control is easy, and the same effects as those described above can be obtained.
【００２７】[0027]
【発明の効果】以上のように本発明は、製造上高度な加
工技術且つ厳しい精度が要求されるクランク軸およびロ
ーラを変更することなく、押除量を変更できる密閉形回
転式圧縮機を提供できる。INDUSTRIAL APPLICABILITY As described above, the present invention provides a hermetic rotary compressor capable of changing the pushing amount without changing the crankshaft and the roller, which require high processing technology and strict accuracy in manufacturing. it can.
【図１】本発明の一実施例の密閉形回転圧縮機の圧縮要
素部を示す図である。FIG. 1 is a diagram showing a compression element portion of a hermetic rotary compressor according to an embodiment of the present invention.
【図２】従来技術と本発明の作用比較図である。FIG. 2 is a comparative diagram of the operation of the related art and the present invention.
【図３】本発明の一実施例を示す密閉形回転圧縮機の圧
縮要素部の具体的斜視図である。FIG. 3 is a specific perspective view of a compression element portion of a hermetic rotary compressor showing an embodiment of the present invention.
【図４】本発明の一実施例を示す密閉形回転圧縮機の圧
縮要素部の具体的斜視図である。FIG. 4 is a specific perspective view of a compression element portion of a hermetic rotary compressor showing an embodiment of the present invention.
【図５】本発明の一実施例を示す密閉形回転圧縮機の圧
縮要素部の具体的斜視図である。FIG. 5 is a specific perspective view of a compression element portion of a hermetic rotary compressor showing an embodiment of the present invention.
【図６】本発明の一実施例を示す密閉形回転圧縮機の圧
縮要素部の具体的斜視図である。FIG. 6 is a specific perspective view of a compression element portion of a hermetic rotary compressor showing an embodiment of the present invention.
【図７】密閉形回転圧縮機の縦断面図である。FIG. 7 is a vertical sectional view of a hermetic rotary compressor.
【図８】従来の密閉形回転圧縮機の圧縮要素部を示す図
である。FIG. 8 is a view showing a compression element portion of a conventional hermetic rotary compressor.
１…密閉容器、 ２…電動要素部、 ３…圧縮要素部、 ４…クランク軸、 ５…シリンダ、 ６…主軸受、 ７…副軸受、 ８…ローラ、 ９…ばね、 １０…ベーン、 １１…冷媒吸入管、 １２…吐出接続管、 １３…吸い込み口、 １４…大径部。 DESCRIPTION OF SYMBOLS 1 ... Airtight container, 2 ... Electric element part, 3 ... Compression element part, 4 ... Crank shaft, 5 ... Cylinder, 6 ... Main bearing, 7 ... Sub bearing, 8 ... Roller, 9 ... Spring, 10 ... Vane, 11 ... Refrigerant suction pipe, 12 ... Discharge connection pipe, 13 ... Suction port, 14 ... Large diameter part.
Claims (3)
と固定子からなる電動要素部と前記回転子に嵌着され偏
心部を持つクランク軸と、前記偏心部に嵌着され、シリ
ンダ内を回転するローラ及び前記ローラに先端が当接
し、前記シリンダの溝内を往復運動するベーンを持った
圧縮要素部とを収納した密閉形回転圧縮機において、 前記シリンダ内径の大部分寸法に対し、径寸法の大とな
る部分を、前記シリンダ内壁部の吸い込み口に接し、設
けたことを特徴とする回転式圧縮機。1. A closed cylinder storing refrigerating machine oil, an electric element part comprising a rotor and a stator, a crankshaft fitted to the rotor and having an eccentric part, and a cylinder fitted to the eccentric part. In a hermetic rotary compressor that accommodates a roller rotating inside and a compression element portion having a vane that reciprocates in the groove of the cylinder, the tip of which abuts against the roller, wherein for most of the inner diameter of the cylinder, A rotary compressor characterized in that a portion having a large diameter is provided in contact with a suction port of the cylinder inner wall portion.
た、シリンダ内径の大部分寸法に対し、径寸法の大とな
る部分を、型による焼結金属等の一体成形にて製作した
ことを特徴とする請求項１記載の回転式圧縮機。2. A portion, which is provided in contact with a suction port of an inner wall of a cylinder and has a large diameter dimension with respect to a large portion of a cylinder inner diameter, is manufactured by integrally molding a sintered metal or the like with a mold. The rotary compressor according to claim 1.
た、シリンダ内径の大部分寸法に対し、径寸法の大とな
る部分を、機械加工にて製作したことを特徴とする請求
項１記載の回転式圧縮機。3. The method according to claim 1, wherein a portion having a large diameter dimension with respect to a large portion of the inner diameter of the cylinder provided in contact with the suction port of the inner wall of the cylinder is manufactured by machining. Rotary compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6022298A JPH07229498A (en) | 1994-02-21 | 1994-02-21 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6022298A JPH07229498A (en) | 1994-02-21 | 1994-02-21 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07229498A true JPH07229498A (en) | 1995-08-29 |
Family
ID=12078844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6022298A Pending JPH07229498A (en) | 1994-02-21 | 1994-02-21 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07229498A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002188587A (en) * | 2000-12-20 | 2002-07-05 | Fujitsu General Ltd | Rotary compressor |
| EP1369590A3 (en) * | 2002-06-05 | 2004-04-28 | Sanyo Electric Co., Ltd. | Two-stage rotary type compressor |
| EP1429030A3 (en) * | 2002-08-27 | 2004-07-14 | Sanyo Electric Co., Ltd | Multi-stage rotary compressor |
| JP2011074772A (en) * | 2009-09-29 | 2011-04-14 | Sanyo Electric Co Ltd | Rotary compressor and manufacturing method of the same |
| JP2012154235A (en) * | 2011-01-26 | 2012-08-16 | Panasonic Corp | Rotary compressor |
| KR101464381B1 (en) * | 2008-07-22 | 2014-11-27 | 엘지전자 주식회사 | Compressor |
| CN111559035A (en) * | 2018-04-01 | 2020-08-21 | 杨康君 | Processing system based on efficient cooling of PVC (polyvinyl chloride) film |
-
1994
- 1994-02-21 JP JP6022298A patent/JPH07229498A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002188587A (en) * | 2000-12-20 | 2002-07-05 | Fujitsu General Ltd | Rotary compressor |
| EP1369590A3 (en) * | 2002-06-05 | 2004-04-28 | Sanyo Electric Co., Ltd. | Two-stage rotary type compressor |
| EP1429030A3 (en) * | 2002-08-27 | 2004-07-14 | Sanyo Electric Co., Ltd | Multi-stage rotary compressor |
| EP1813816A2 (en) * | 2002-08-27 | 2007-08-01 | SANYO ELECTRIC Co., Ltd. | Multi-stage rotary compressor |
| EP1813817A2 (en) * | 2002-08-27 | 2007-08-01 | SANYO ELECTRIC Co., Ltd. | Multi-stage rotary compressor |
| EP1813817A3 (en) * | 2002-08-27 | 2007-09-05 | SANYO ELECTRIC Co., Ltd. | Multi-stage rotary compressor |
| EP1813816A3 (en) * | 2002-08-27 | 2007-09-19 | SANYO ELECTRIC Co., Ltd. | Multi-stage rotary compressor |
| KR101464381B1 (en) * | 2008-07-22 | 2014-11-27 | 엘지전자 주식회사 | Compressor |
| JP2011074772A (en) * | 2009-09-29 | 2011-04-14 | Sanyo Electric Co Ltd | Rotary compressor and manufacturing method of the same |
| JP2012154235A (en) * | 2011-01-26 | 2012-08-16 | Panasonic Corp | Rotary compressor |
| CN111559035A (en) * | 2018-04-01 | 2020-08-21 | 杨康君 | Processing system based on efficient cooling of PVC (polyvinyl chloride) film |
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