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Title:
LIQUID-COOLING TYPE COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/111650
Kind Code:
A1
Abstract:
The present invention effectively cools air in a compression process at a high stage when oil is supplied with equal pressure at a low stage and the high stage. This liquid-cooling type compressor provided with: a liquid-cooling type compressor body; at least one first nozzle which has a plurality of injection ports and which supply a refrigerant through the injection ports into the compressor body; and at least one second nozzle that is arranged closer to a high-pressure side than the first nozzle. The diameters of the injection ports of the second nozzle are larger than those of the injection ports of the first nozzle.

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Inventors:
KOTANI Masanao (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2018/041977
Publication Date:
June 13, 2019
Filing Date:
November 13, 2018
Export Citation:
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Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
F04B39/06; F04C18/16; F04C29/02; F04C29/04
Foreign References:
JPS5440347A1979-03-29
Attorney, Agent or Firm:
KAICHI IP (3-16, Nihonbashi-muromachi 4-chome Chuo-k, Tokyo 22, 〒1030022, JP)
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