ROTARY COMPRESSOR AND MANUFACTURE OF SLIDING STRUCTURAL PART USED FOR IT

PURPOSE:To provide a rotary compressor improving the oil film holding property and abrasion resistance, reducing the abrasion of a slide section, preventing the occurrence of a seisure accident due to adhesive wear, and having high reliability and to manufacture an abrasion-resistant sliding structu...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIHARA SHIN, KAMITSUMA YASUO, IIZUKA TADASHI, FUKUDA KAZUJI
Format:	Patent
Sprache:	eng
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:	PURPOSE:To provide a rotary compressor improving the oil film holding property and abrasion resistance, reducing the abrasion of a slide section, preventing the occurrence of a seisure accident due to adhesive wear, and having high reliability and to manufacture an abrasion-resistant sliding structural part used for it. CONSTITUTION:A two-layer iron oxide film constituted of the dense second layer 13 mainly made of Fe3O4 and the porous first layer 12 provided on the surface layer is formed on the sliding face 14 of a sliding structural part made of ingot iron having no hole such as cast iron or steel to form the sliding structural part of a rotary compressor. This iron oxide film is obtained in the oxidation treatment process that the sliding face of the sliding structural part made of the ingot iron is exposed to the atomosphere of the gas composition region H2/(H2+H2O) of 0-80% at the temperature of 400-1000 deg.C.