| 摘要 |
FIELD: air conditioning or ventilation. ^ SUBSTANCE: device comprises a number of high-pressure compressors provided with housings filled with oil. The excess of oil in the compressors is collected in an accumulating tank through the pipes for balancing oil. The oil is supplied to the compressor from the collecting tank. The coolant is supplied to the collecting tank from the compressors through the by-pass. ^ EFFECT: simplified structure. ^ 14 cl, 4 dwg |
