JPS62203991A - Part for rotary compressor - Google Patents
Part for rotary compressorInfo
- Publication number
- JPS62203991A JPS62203991A JP4660586A JP4660586A JPS62203991A JP S62203991 A JPS62203991 A JP S62203991A JP 4660586 A JP4660586 A JP 4660586A JP 4660586 A JP4660586 A JP 4660586A JP S62203991 A JPS62203991 A JP S62203991A
- Authority
- JP
- Japan
- Prior art keywords
- rotary compressor
- rotor
- sintered body
- vane
- pores
- 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
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910000423 chromium oxide Inorganic materials 0.000 claims abstract description 7
- 150000001845 chromium compounds Chemical class 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052593 corundum Inorganic materials 0.000 abstract description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 2
- 229910052581 Si3N4 Inorganic materials 0.000 abstract 1
- -1 ZrO3 Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2230/00—Manufacture
- F04C2230/20—Manufacture essentially without removing material
- F04C2230/22—Manufacture essentially without removing material by sintering
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はロータやベーンなどのロータリコンプレッサ用
部品に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to parts for rotary compressors such as rotors and vanes.
空調機器などに用いられるロータリコンプレッサは、第
１図および第２図で示すように構成されている。すなわ
ち、図中１は吸引口１ａと吐出口１ｂを有するケースで
、このケース１の内部にクランク３を有するクランク軸
２が挿通して設けてあり、このクランク軸２のクランク
３にはケース１の内周壁に転接するロータ４が嵌着固定
しである。さらにケース１０周壁を貫通して移動自在に
ベーン５が設けてあり、このベーン５は先端がロータ４
に接してケース１内部を仕切るとともに、ばね６により
ロータ４への偏倚力が与えられている。そして、図示し
ないモータによりクランク軸２を回転してａ−夕４をケ
ース１内部で回転させることにより、ガスを吸引口１ａ
からケース１内部に吸引して加圧しながら吐出口１ｂか
ら外部へ吐出する。A rotary compressor used in air conditioning equipment and the like is constructed as shown in FIGS. 1 and 2. That is, 1 in the figure is a case having a suction port 1a and a discharge port 1b, and a crankshaft 2 having a crank 3 is inserted into the inside of this case 1. A rotor 4 is fitted and fixed in rolling contact with the inner circumferential wall of the rotor. Furthermore, a vane 5 is provided movably passing through the peripheral wall of the case 10, and the tip of this vane 5 is connected to the rotor 4.
The inside of the case 1 is partitioned off by the spring 6, and a biasing force is applied to the rotor 4 by a spring 6. Then, by rotating the crankshaft 2 by a motor (not shown) and rotating the a-type 4 inside the case 1, gas is supplied to the suction port 1a.
The liquid is sucked into the case 1 and discharged to the outside from the discharge port 1b while being pressurized.
従来、このロータリコンプレッサを構成スるロータやベ
ーンなどの部品は、鉄系合金の溶製材料により形成され
ている。Conventionally, parts such as a rotor and vanes that constitute this rotary compressor have been formed from a melted iron-based alloy material.
最近、ロータリコンプレッサに対しては、運転条件の苛
酷化や性能の向上が要求されており、これに伴い高速運
転を行なうロータリコンプレッサが開発されつつある。Recently, rotary compressors have been required to have harsher operating conditions and improved performance, and rotary compressors that can operate at high speeds are being developed.
しかしながら、このようにロータリコンプレッサの高速
化を図る上で、従来の鉄系溶製材料からなる部品を用い
ると次のような問題が生じている。つまり、鉄は比重が
大きいために、鉄系合金からなるロータ２を高速で回転
させた場合、ａ−夕２の回転遠心力が大きく、これに伴
ってクランク軸２が軸振れを発生して安定したａ−夕４
の回転が得られにくくなる。ま九、鉄系合金からなるベ
ーン５は重いためにロータ４の高速回転に追従して移動
、動作することが難しく、運転に支障をきたすことがあ
る。However, in order to increase the speed of the rotary compressor, the following problems arise when parts made of conventional iron-based melted materials are used. In other words, since iron has a high specific gravity, when the rotor 2 made of an iron-based alloy is rotated at high speed, the rotational centrifugal force of the a-yield 2 is large, and as a result, the crankshaft 2 generates shaft vibration. stable a-evening 4
rotation becomes difficult to obtain. (9) Since the vanes 5 made of iron-based alloy are heavy, it is difficult to move and operate following the high-speed rotation of the rotor 4, which may impede operation.
本発明は前記事情に基づいてなされたもので、ロータリ
コンプレッサの安定した高速運転に対応できるロータリ
コンプレッサ用部品を提供することを目的とするもので
ある。The present invention was made based on the above-mentioned circumstances, and an object of the present invention is to provide a rotary compressor component that can support stable high-speed operation of a rotary compressor.
本発明のロータリコンプレッサ用部品は、セラミックス
焼結体からなる基体の気孔に、クロム化合物から加熱に
よって変換された酸化クロムが分散充填してなることを
特徴とするものである。The rotary compressor component of the present invention is characterized in that chromium oxide, which is converted from a chromium compound by heating, is dispersed and filled in the pores of a base made of a ceramic sintered body.
すなわち、本発明のロータリコンプレッサ用部品は、多
孔質体で比重が小さいセラミックスにより基体を形成し
て軽量化を図り、この基体にロータリコンプレッサ用部
品として要求される気密性、耐摩耗性、機械的強度をも
たせたものである。That is, in the rotary compressor parts of the present invention, the base is made of porous ceramics with low specific gravity to reduce weight, and the base has the airtightness, abrasion resistance, and mechanical properties required for rotary compressor parts. It has strength.
本発明のロータリコンプレッサ用部品の基体は、連通孔
を６０ＶＯ１！％以上有するＡｌ２Ｏ３、ＺｒＯ３、Ｓ
ｉ、Ｎ４、ＳｉＣなどのセラミックス焼結体で形成し、
特に１．０．が適している。これらのセラミックス焼結
体は比重が小さく、例えばＡ＃２０３の比重が４．０（
連通孔８５ ＶＯ１％）で、耐摩耗性が良く、ロータリ
コンプレッサ用部品として適している。The base of the rotary compressor component of the present invention has a communication hole of 60 VO1! % or more of Al2O3, ZrO3, S
Formed from ceramic sintered bodies such as i, N4, and SiC,
Especially 1.0. is suitable. These ceramic sintered bodies have a low specific gravity; for example, A#203 has a specific gravity of 4.0 (
With 85 communicating holes (VO 1%), it has good wear resistance and is suitable as a rotary compressor component.
基体の連通孔には、クロム化合物から加熱によって変換
された酸化クロムを分散して充填する。The communication holes in the base are filled with dispersed chromium oxide, which is converted from a chromium compound by heating.
この充填物は、酸化クロムが強固に結合した緻密な組織
を有するとともに、基体に強固に結合して優れた耐摩耗
性を有し、基体の気孔を充分封止して基体に気密性と機
械的強度を与えている。This filling has a dense structure in which chromium oxide is strongly bonded, and it is also strongly bonded to the base material and has excellent wear resistance. It gives a strong sense of purpose.
基体の連通孔に酸化クロム（Ｃｒ２０３）を充填形成す
るためには、はじめにセラミックス焼結体をりσム酸化
物（Ｃｔｏ ｓ ）を主成分とする溶液に浸漬し、セラ
ミックス焼結体にＣｒ Ｑ ３溶液を含浸させる。In order to fill and form chromium oxide (Cr203) into the communicating holes of the base, first, the ceramic sintered body is immersed in a solution containing chromium oxide (Ctos) as the main component, and CrQ is added to the ceramic sintered body. 3. Impregnate with solution.
次にセラミックス焼結体を５００〜１０００℃の温度で
焼成する。この含浸および焼成工程を５回以上繰返して
、セラミックス焼結体の連通孔にＣｒ２Ｏ３を分散して
充填形成する。Next, the ceramic sintered body is fired at a temperature of 500 to 1000°C. This impregnation and firing process is repeated five or more times to disperse and fill the communication holes of the ceramic sintered body with Cr2O3.
このように構成したａ−タリコンプレッサ用部品は、比
重が小さく軽量マあり、しかも気密性、浚れた耐摩耗性
および（幾械的強度を有していることから、ロータリコ
ンプレッサの部品として用いることにより安定した高速
運転を行なうロータリコンプレッサを実現することがで
きる。例えばロータに用いる場合には、高速回転時の回
転遠心力が小さくクランク軸の軸振れを防止でき、また
ベーンに用いる場合には、ロータの回転に追従して高速
で動作することができる。The a-tary compressor parts constructed in this way have a low specific gravity, are lightweight, and have airtightness, excellent abrasion resistance, and mechanical strength, so they can be used as rotary compressor parts. This makes it possible to realize a rotary compressor that performs stable high-speed operation. For example, when used in a rotor, the rotational centrifugal force during high-speed rotation is small and prevents axial vibration of the crankshaft, and when used in a vane, , can operate at high speed by following the rotation of the rotor.
ロータリコンプレッサのロータオヨヒヘーン形状に形成
した連通孔６０ ＶＯ１％を有するＡＪ２０．焼結体に
ＣｒＯ３溶液を含浸させ、次に温度約６００℃×３０分
、大気中の条件で焼成する。この含浸と焼成工程を９回
繰返して、最後に約９５０°ＣＸ６０分の条件で焼成を
行ないロータとベーンを作成した。AJ20 with communication hole 60 VO1% formed in the rotor shape of rotary compressor. The sintered body is impregnated with a CrO3 solution, and then fired at a temperature of about 600° C. for 30 minutes in the atmosphere. This impregnation and firing process was repeated nine times, and finally firing was performed under conditions of approximately 950° C. for 60 minutes to produce a rotor and vanes.
そして、このロータとベーンをロータリコンプレッサに
組込み、ロータリコンプレッサを１８０ Ｈ２の回転条
件で運転した。その結果、σ−夕によるクランク軸の軸
振れの発生がなく、またベーンもσ−夕の回転に充分追
従して動作し、また両部品とも優れた耐摩耗性を発揮し
た。なお、ケースおよびクランク軸は鉄系合金の溶製材
料で形成したものを用いた。Then, this rotor and vanes were assembled into a rotary compressor, and the rotary compressor was operated under a rotation condition of 180 H2. As a result, there was no occurrence of axial runout of the crankshaft due to the σ-axis, the vane moved sufficiently to follow the rotation of the σ-axis, and both parts exhibited excellent wear resistance. Note that the case and crankshaft were made of a melted iron-based alloy material.
以上説明したように本発明によれば、ロータリコンプレ
ッサの高速運転を可能にする軽量で機械的特性に優れた
ロータリコンプレッサ用４ 品に得ることができる。As explained above, according to the present invention, it is possible to obtain a product for a rotary compressor that is lightweight and has excellent mechanical properties that enable high-speed operation of the rotary compressor.
第１図および第２図はロータリコンプレッサの服略的構
成を示す横断面図および縦断面図でちる。
１・・・ケース、 ２・・・クランク軸４・・・ロ
ータ、 ５・・・ベーン。
出願人代理人 弁理士 鈴 江 武 彦第２図FIGS. 1 and 2 are a cross-sectional view and a vertical cross-sectional view showing the schematic structure of a rotary compressor. 1...Case, 2...Crankshaft 4...Rotor, 5...Vane. Applicant's agent Patent attorney Takehiko Suzue Figure 2
Claims (3)
ロム化合物から加熱によって変換された酸化クロムが分
散充填してなるロータリコンプレッサ用部品。(1) A rotary compressor component in which chromium oxide converted from a chromium compound by heating is dispersed and filled into the pores of a base made of a ceramic sintered body.
第１項に記載のロータリコンプレッサ用部品。(2) The rotary compressor component according to claim 1, which is used as a rotor.
範囲第１項に記載のロータリコンプレッサ用部品。(3) The rotary compressor component according to claim 1, which is used as a partition vane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4660586A JPS62203991A (en) | 1986-03-04 | 1986-03-04 | Part for rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4660586A JPS62203991A (en) | 1986-03-04 | 1986-03-04 | Part for rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62203991A true JPS62203991A (en) | 1987-09-08 |
Family
ID=12751932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4660586A Pending JPS62203991A (en) | 1986-03-04 | 1986-03-04 | Part for rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62203991A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775051A3 (en) * | 1998-11-17 | 2011-07-20 | Sodick Co., Ltd. | Electric Discharge Machining Apparatus |
-
1986
- 1986-03-04 JP JP4660586A patent/JPS62203991A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1775051A3 (en) * | 1998-11-17 | 2011-07-20 | Sodick Co., Ltd. | Electric Discharge Machining Apparatus |
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