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公开(公告)号：US20240229581A9
公开(公告)日：2024-07-11
申请号：US18277924
申请日：2022-02-18
发明人： Timo KELA , Jussi PEURALA , Esa LAAKKOLA
摘要： A flushing element, rock drilling machine and method of providing a flushing space around a shank adapter of a rock drilling machine. The flushing element surrounds the shank adapter passing through it. The flushing element has a feed opening for feeding flushing agent to the flushing space and at least two sealing housings for flushing sealings and wherein the flushing sealings are on opposite axial sides of the flushing space. Furthermore, the flushing element has split configuration whereby it is mountable and demountable in radial direction.
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公开(公告)号：US20240133247A1
公开(公告)日：2024-04-25
申请号：US18277722
申请日：2022-02-17
发明人： Esa LAAKKOLA , Jussi PEURALA , Timo KELA
CPC分类号： E21B17/105 , E21B10/23 , E21B10/25 , E21B2200/01
摘要： A shank adapter, rock drilling machine and method of mounting a shank adapter of a rock drilling machine inside a slide bearing element. The shank adapter includes a coupling head and a rotation portion at its opposite ends, and a flushing portion located therebetween. Outer diameters of the coupling head and the rotation portion are both greater than outer diameters of portions of the shank adaptor located therebetween.
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公开(公告)号：US20240229571A9
公开(公告)日：2024-07-11
申请号：US18277722
申请日：2022-02-17
发明人： Esa LAAKKOLA , Jussi PEURALA , Timo KELA
CPC分类号： E21B17/105 , E21B10/23 , E21B10/25 , E21B2200/01
摘要： A shank adapter, rock drilling machine and method of mounting a shank adapter of a rock drilling machine inside a slide bearing element. The shank adapter includes a coupling head and a rotation portion at its opposite ends, and a flushing portion located therebetween. Outer diameters of the coupling head and the rotation portion are both greater than outer diameters of portions of the shank adaptor located therebetween.
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公开(公告)号：US20240133254A1
公开(公告)日：2024-04-25
申请号：US18277924
申请日：2022-02-18
发明人： Timo KELA , Jussi PEURALA , Esa LAAKKOLA
摘要： A flushing element, rock drilling machine and method of providing a flushing space around a shank adapter of a rock drilling machine. The flushing element surrounds the shank adapter passing through it. The flushing element has a feed opening for feeding flushing agent to the flushing space and at least two sealing housings for flushing sealings and wherein the flushing sealings are on opposite axial sides of the flushing space. Furthermore, the flushing element has split configuration whereby it is mountable and demountable in radial direction.
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