ROTARY COMPRESSOR

To reduce power necessary for driving a compressor while securing air-tightness of a compression chamber in a two-cylinder rotary compressor.SOLUTION: In a compression mechanism of a rotary compressor, an intermediate plate (50) is disposed between two cylinders (30, 35). A driving shaft (70) for dr...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIMURA KOSUKE, TOSHIMA RYUZO, AZUMA HIROFUMI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	To reduce power necessary for driving a compressor while securing air-tightness of a compression chamber in a two-cylinder rotary compressor.SOLUTION: In a compression mechanism of a rotary compressor, an intermediate plate (50) is disposed between two cylinders (30, 35). A driving shaft (70) for driving pistons (40, 45) in each cylinder (30, 35) penetrates through a center hole (51) of the intermediate plate (50). The center hole (51) of the intermediate plate (50) has a diameter of an intermediate portion (52) positioned in the middle in a center axis direction, larger than a diameter of a first end portion (53) positioned at a first cylinder (30) side and a diameter of a second end portion (54) positioned at a second cylinder (35) side.SELECTED DRAWING: Figure 2 【課題】二気筒のロータリ圧縮機において、圧縮室の気密性を確保しつつ、圧縮機の圧縮機の駆動に要する動力を削減する。【解決手段】ロータリ圧縮機の圧縮機構において、二つのシリンダ（30,35）の間に中間プレート（50）が配置される。各シリンダ（30,35）内のピストン（40,45）を駆動する駆動軸（70）は、中間プレート（50）の中央孔（51）を貫通する。中間プレート（50）の中央孔（51）は、その中心軸方向の中間に位置する中間部（52）の直径が、第１シリンダ（30）側に位置する第１端部（53）の直径、及び第２シリンダ（35）側に位置する第２端部（54）の直径よりも大きい。【選択図】図２