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公开(公告)号:US4344353A
公开(公告)日:1982-08-17
申请号:US264495
申请日:1981-05-18
申请人: John Duff , Peter McFarlane
发明人: John Duff , Peter McFarlane
CPC分类号: F01B11/04 , F01L17/00 , F01L25/066
摘要: A hammer or impactor apparatus including improved motive fluid means cooperable with spring bias means to reciprocably drive a hammer element and an improved process of hammer cycling achieved thereby.
摘要翻译: 包括改进的运动流体装置的锤或冲击器装置,其与弹簧偏压装置配合以可往复地驱动锤元件,并且由此获得改进的锤击循环过程。