Title:
SCREW COMPRESSOR
Document Type and Number:
Japanese Patent JP2022184443
Kind Code:
A
Abstract:
To provide a screw compressor of high reliability and high efficiency.SOLUTION: A screw compressor for compressing a working medium is provided with: first and second screw rotors sucking the working medium and compressing and discharging the working medium; a first bearing rotatably supporting one end side of the first screw motor connected to a rotating shaft of a power source at one end side; a casing housing the first screw rotor and the first bearing; a shaft seal member disposed at a side opposite to a tooth-shaped portion of the first screw rotor with respect to the first bearing on the inside of the casing and sealing a through hole of the casing to which a shaft portion of the first screw rotor connected to an output shaft of the power source is inserted; a partition for partitioning the first bearing and the shaft seal member from each other in the casing; and a liquid supply passage disposed on the casing, and having a first liquid supply port for supplying a lubricant liquid to the first bearing and a second liquid supply port for supplying the lubricant liquid to the shaft seal member.SELECTED DRAWING: Figure 2
Inventors:
NAGATA SHUHEI
YORIKANE SHIGEYUKI
MORITA KENJI
KAJIE YUTA
CHIBA KOTARO
YORIKANE SHIGEYUKI
MORITA KENJI
KAJIE YUTA
CHIBA KOTARO
Application Number:
JP2021092296A
Publication Date:
December 13, 2022
Filing Date:
June 01, 2021
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
International Classes:
F04C29/02; F04C18/16
Attorney, Agent or Firm:
Patent Business Corporation Sunnext International Patent Office
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