Title:
VELOCITY TYPE COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
Japanese Patent JP2019210929
Kind Code:
A
Abstract:
To remove an overheat degree that is generated in a compression step, within the compression step.SOLUTION: A velocity type compressor (3) comprises: a rotor (27) including a rotary shaft (25) and at least one impeller (26); a coolant passage (40) which is positioned around the rotor (27) and in which a gas phase coolant flows; a main passage (21) which extends inside of the rotor (27) in an axial direction of the rotor (27) and in which a liquid phase coolant flows; and an injection passage (24) which is positioned inside of the rotor (27) and branched from the main passage (21), extends from the main passage (21) to the coolant passage (40) and guides the liquid phase coolant from the main passage (21) to the coolant passage (40).SELECTED DRAWING: Figure 2
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Inventors:
SUN HONG ZHI
SHOYAMA NAOYOSHI
KONO FUMINORI
TAMURA TOMOICHIRO
HAYASHI YOSHIMI
MATSUI MASARU
SHOYAMA NAOYOSHI
KONO FUMINORI
TAMURA TOMOICHIRO
HAYASHI YOSHIMI
MATSUI MASARU
Application Number:
JP2018237802A
Publication Date:
December 12, 2019
Filing Date:
December 19, 2018
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
F04D29/58; F04D17/10; F04D29/44; F25B1/00
Domestic Patent References:
| JP2017194042A | 2017-10-26 |
Foreign References:
| CN101210574A | 2008-07-02 |
Attorney, Agent or Firm:
Koichi Kamata
Masatoshi Furuta
Masatoshi Furuta