发明名称 MUFFLER AND COMPRESSION MECHANISM
摘要 PROBLEM TO BE SOLVED: To provide a muffler capable of suppressing noise caused by acoustic resonance made in a muffler space, and a compression mechanism with the same.SOLUTION: A muffler 26 is attached to a front head 23 having a discharge port 23b. The muffler has a muffler space forming portion 26b. The muffler space forming portion forms a muffler space 90 together with a front head. The muffler space forming portion has a substantially circular upper bearing through hole 26c. A boundary line 31 as an outer edge of the muffler space forming portion includes a first range 41 and a second range 42. The first range is along a virtual reference circle 32. The second range is recessed from the virtual reference circle toward a center of the virtual reference circle. A length of the first range is 50% or more of a length of the boundary line. The center of the virtual reference circle is separated from a center of the upper bearing through hole for a first distance D1 when being viewed along a first direction orthogonal to the virtual reference circle.SELECTED DRAWING: Figure 4
申请公布号 JP2016094924(A) 申请公布日期 2016.05.26
申请号 JP20140232779 申请日期 2014.11.17
申请人 DAIKIN IND LTD 发明人 TAKANEZAWA SATORU
分类号 F04C29/06;F04C18/356 主分类号 F04C29/06
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