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公开(公告)号：US20180044881A1
公开(公告)日：2018-02-15
申请号：US15559555
申请日：2016-03-18
申请人： Daniel J. Wormald
发明人： Daniel J. Wormald
CPC分类号： E02F5/006 , E02F3/188 , E02F3/9262 , E02F3/9281 , E02F3/9293
摘要： A dredging head assembly for deploying on the bed of a body of water, is provided, the assembly comprising a cutter housing having a cutting opening for extending over a section of the bed from which material is to be removed; a cutting assembly disposed within the cutter housing, the cutting assembly operable through the cutting opening in the cutter housing to loosen material from the bed; and an outlet opening in the cutter housing for removing water and entrained material from within the cutter housing under suction; wherein the cutter housing comprises a plurality of holes therein, in use water being drawn into the cutter housing through the holes under the action of reduced fluid pressure within the cutter housing. A dredging assembly comprising the dredging head assembly and a method of dredging are also provided.
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公开(公告)号：US10883250B2
公开(公告)日：2021-01-05
申请号：US15559555
申请日：2016-03-18
申请人： Daniel J Wormald
发明人： Daniel J Wormald
摘要： A dredging head assembly for deploying on the bed of a body of water, is provided, the assembly comprising a cutter housing having a cutting opening for extending over a section of the bed from which material is to be removed; a cutting assembly disposed within the cutter housing, the cutting assembly operable through the cutting opening in the cutter housing to loosen material from the bed; and an outlet opening in the cutter housing for removing water and entrained material from within the cutter housing under suction; wherein the cutter housing comprises a plurality of holes therein, in use water being drawn into the cutter housing through the holes under the action of reduced fluid pressure within the cutter housing. A dredging assembly comprising the dredging head assembly and a method of dredging are also provided.
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