Title:
AIR CONDITIONER
Document Type and Number:
Japanese Patent JP3163121
Kind Code:
B2
Abstract:
PURPOSE: To equalize the volume of lubricant supplied to compressors surely and continue thereby efficient operation for them and, furthermore, prolong life of each compressor.
CONSTITUTION: A compressor 1 is provided for which a capability variable compressor 3 driven by an inverter and fixed capability compressor 4 driven by the commercial electric power are received in a case, and another compressor 2 is provided which is a type of receiving in a case a capability variable compressor 5 driven by an inverter and a fixed capability compressor 6 driven by the commercial electric power in the same way as for the compressors 3 and 4. The respective cases of those compressors 1, 2 are connected by an equalizing oil pipe 14 and, at the same time, each of them is provided with a plurality of different equalized oil operation means and those means are selectively operated according to the number of the operated compressors in the compressors 3, 4, 5, 6 and operating frequency.
Inventors:
Manabu Kitamoto
Application Number:
JP18376791A
Publication Date:
May 08, 2001
Filing Date:
June 28, 1991
Export Citation:
Assignee:
Toshiba Carrier Corporation
International Classes:
F24F3/06; F24F11/02; F25B1/00; F25B13/00; F25B31/00; F25B49/02; (IPC1-7): F25B1/00; F24F11/02
Domestic Patent References:
| JP6441769A | ||||
| JP57182039A | ||||
| JP61138045A | ||||
| JP1203855A | ||||
| JP1193088A | ||||
| JP2262387A | ||||
| JP1262387A | ||||
| JP57114331U |
Attorney, Agent or Firm:
Takehiko Suzue