Title:
REFRIGERATION MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/180225
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a refrigeration machine wherein lubricating oil supplied to a bearing, etc. in a turbo compressor is capable of being cooled by a simple configuration. This refrigeration machine (1) comprises: a refrigeration cycle in which a refrigerant circulates, the refrigeration cycle being provided with a turbo compressor (2) having a compression mechanism driven by a motor, the refrigeration cycle being further provided with a condenser (3) and an evaporator (8); an oil tank (23) in which lubricating oil is stored; a lubricating oil supply line (22) for supplying lubricating oil from the oil tank (23) into a motor housing (31) containing the motor; and a liquid refrigerant supply line (24) for supplying a refrigerant from the condenser (3) into the motor housing (31).
Inventors:
TANIMURA HIROTAKA (JP)
MATSUKURA NORIYUKI (JP)
MATSUKURA NORIYUKI (JP)
Application Number:
PCT/JP2018/008203
Publication Date:
October 04, 2018
Filing Date:
March 05, 2018
Export Citation:
Assignee:
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (JP)
International Classes:
F25B1/053; F25B1/00; F04B39/02; F04B39/06; F04D29/063; F04D29/58
Foreign References:
| JP2014190616A | 2014-10-06 | |||
| JP2009019601A | 2009-01-29 | |||
| JP2009293901A | 2009-12-17 | |||
| US4404812A | 1983-09-20 |
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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