VANE COMPRESSOR

The vane compressor includes a cylinder block, a rotary shaft and a rotor. The rotor has a plurality of vanes and vane slots where the vanes are slidably received. A plurality of backpressure chambers is formed between the bottom of each vane and the inner surface of its associated vane slot. The ro...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SATOSHI KOUMURA, TSUBASA MITSUI, SHINICHI SATO, KAZUO KOBAYASHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The vane compressor includes a cylinder block, a rotary shaft and a rotor. The rotor has a plurality of vanes and vane slots where the vanes are slidably received. A plurality of backpressure chambers is formed between the bottom of each vane and the inner surface of its associated vane slot. The rotor is mounted on the rotary shaft for rotation therewith in the cylinder block. The vane compressor further includes a plurality of compression chambers, a discharge chamber and backpressure feeding passage that connects the backpressure chambers to the discharge chamber. The backpressure feeding passage includes a first passage, second passage, a third passage, a first chamber, a second chamber and a rotating passage provided in the rotary shaft. The communication between the first passage and the second passage and the communication between the second passage and the third passage is performed only through the rotating passage.