| 摘要 |
AN OBJECT OF THE PRESENT INVENTION IS TO PROVIDE A MULTI-CYLINDER ROTARY COMPRESSOR (C) WHICH CAN ELIMINATE A NUMBER OF BALANCERS FOR PREVENTING VIBRATIONS. ASSUMING THAT THE MASS ECCENTRICITY IN A CYLINDER (10) IS M1XR1; THE MASS ECCENTRICITY IN ANOTHER CYLINDER (9) IS M2XR2; THE MASS ECCENTRICITY OF A BALANCER ATTACHED TO THE LOWER SIDE OF A ROTATOR IS M3XR3; THE MASS ECCENTRICITY OF ANOTHER BALANCER (73) ATTACHED TO THE UPPER SIDE OF THE ROTATOR (5) IS M4XR4; RESPECTIVE DISTANCES FROM THE CYLINDER TO ANOTHER CYLINDER, THE LOWER BALANCER AND ANOTHER BALANCER (73) ARE L2, L3 AND L4, WHEN THE BALANCING IS ATTAINED WITH THE EXPRESSIONS M1XR1+M4XR4=M2XR2+M3XR3,M4XR4XL4=M2XR2XL2+M3XR3XL3, AND M1XR1=M2XR2, THE LOWER BALANCER IS ELIMINATED AND THE MASS ECCENTRICITY OF THE BALANCER IS SET TO BE NOT LESS THAN 20AND NOT MORE THAN 80OF M4XR4.
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