Title:
REFRIGERATING CIRCUIT
Document Type and Number:
Japanese Patent JP2015148194
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a refrigerating circuit in which a reduction in an oil level of a hermetic type compressor can be appropriately detected.SOLUTION: A refrigerating circuit comprises: a compressor 104 in which a compression part is hermetically sealed in a case 122; a discharge pipe 114 that connects a discharge port 104a of the compressor 104 and an oil separator 105; a return circuit 116 that returns oil accumulated in the oil separator 105 to a suction port 104b of the compressor 104; and a first suction side connection pipe 160 that connects the case 122 and the return circuit 116. The first suction side connection pipe 160 is connected to the case 122 at a position above an oil supply port 121 in the compressor 104. The discharge pipe 114 is provided with a first temperature sensor 124. The first suction side connection pipe 160 comprises: a flow passage resistor 161; and a second temperature sensor 162 provided on the downstream of the flow passage resistor 161.
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Inventors:
NAGAI MASAAKI
MASUDA TETSUYA
MASUDA TETSUYA
Application Number:
JP2014021514A
Publication Date:
August 20, 2015
Filing Date:
February 06, 2014
Export Citation:
Assignee:
PANASONIC IP MAN CORP
International Classes:
F04B39/02
Domestic Patent References:
| JP2002242833A | 2002-08-28 | |||
| JP2001032772A | 2001-02-06 | |||
| JP2006105458A | 2006-04-20 | |||
| JP2005325733A | 2005-11-24 |
Attorney, Agent or Firm:
Patent Business Corporation Kushibuchi International Patent Office
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