| 摘要 |
THE PRESENT INVENTION AIMS AT PROVIDING AN INEXPENSIVE ENCLOSED TYPE ROTARY COMPRESSOR CAPABLE OF DIMINISHING VIBRATION. ACCORDING TO THE INVENTION, A BALANCE WEIGHT IS SPLIT INTO TWO PARTS. A FIRST BALANCE WEIGHT IS FORMED BY DIE CASTING, FORGING, SINTERING OR THE LIKE TO BE IN SUCH A FORM THAT ITS END PORTIONS EACH HAVING A HOLE TO BE INSERTED BY A FIXING PROTRUSION 12 ARE THINNER THAN THE REMAINING PORTION, AND A SECOND BALANCE WEIGHT IS FORMED AS A SINGLE PLATE OR LAMINATED PLATES IN PLURAL LAYERS AND SECUREDLY SANDWICHED BETWEEN THE END RING OF A ROTATOR AND THE FIRST BALANCE WEIGHT. AS A RESULT, THE BALANCE WEIGHT CAN BE STANDARDIZED, REALIZING COST EFFICIENCY. (FIG. 1)
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