SINGLE-SCREW COMPRESSOR AND SCREW ROTOR MACHINING METHOD

SINGLE-SCREW COMPRESSOR AND SCREW ROTOR MACHINING METHOD

PROBLEM TO BE SOLVED: To improve efficiency in a single-screw compressor by reducing motive power consumed by the slide of a screw rotor and a gate rotor. SOLUTION: In the screw rotor (40), a first suction-side region (45) is firmed on the first sidewall face (42) of a helical groove (41). On this f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MURONO TAKAYOSHI, TAKAHASHI TAKAYUKI, UENO HIROMICHI, OTSUKA KANAME, SUSA TOSHIHIRO, MIYAMURA HARUNORI, OKADA TADASHI
Format: Patent
Sprache:eng
Schlagworte:
BLASTING
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
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
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
WEAPONS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To improve efficiency in a single-screw compressor by reducing motive power consumed by the slide of a screw rotor and a gate rotor. SOLUTION: In the screw rotor (40), a first suction-side region (45) is firmed on the first sidewall face (42) of a helical groove (41). On this first sidewall face (42), a portion from its starting end up to a position at which a compression chamber (23) is closed off forms the first suction side region (45) as a whole. The first suction side region (45) is made lower than the portion of the first suction side region (45) in the first sidewall face (42), so that it does not contact with a gate (51) of the gate rotor (50). COPYRIGHT: (C)2009,JPO&INPIT