Title:
AIR COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2017/110220
Kind Code:
A1
Abstract:
An oil - cooled air compressor is provided with: an oil - cooled air compressor for compressing sucked-in air and discharging the compressed air; an oil separator for separating the compressed air and lubricating oil, which are discharged from the air compressor body; an oil cooler for cooling, by means of outside air, lubricating oil discharged from the oil separator; oil supply pipe passage for supplying lubricating oil, which is discharged from the oil cooler, to a bearing of the air compressor body and to an intermediate section in the process of compression by the air compressor; and an after-cooler for cooling, by means of outside air, air discharged from the oil separator. The oil-cooled air compressor in which the air compressor, the oil separator, the oil cooler, and the after-cooler are connected to supply high-pressure air to the outside of the compressor is provided with a vapor compression type refrigeration cycle.
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Inventors:
KOTANI MASANAO (JP)
TSUCHIYA TAKESHI (JP)
KAWAI RYOJI (JP)
SEKIYA SACHIO (JP)
TSUCHIYA TAKESHI (JP)
KAWAI RYOJI (JP)
SEKIYA SACHIO (JP)
Application Number:
PCT/JP2016/080891
Publication Date:
June 29, 2017
Filing Date:
October 19, 2016
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
F04B39/06; F04B39/02; F04B39/16; F25B5/04
Foreign References:
| JP2000205134A | 2000-07-25 | |||
| JPS5877165U | 1983-05-25 |
Attorney, Agent or Firm:
TODA Yuji (JP)
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