发明名称 BRAKING SYSTEMS AND METHODS FOR A WINCH DRUM
摘要 Braking systems and methods are provide for a drum wench system having a winch drum having an outer surface and a winch drum braking system. The winch drum braking system has a first brake having a first brake lining, located adjacent to the winch drum, and a first three-ring ratchet linkage system connected to the first brake lining. The first three-ring ratchet linkage system is rotatable and adapted to move the first brake lining to a first position or a second position with respect to the outer surface of the winch drum. In the first position, the first brake lining contacts the outer surface of the winch drum to apply break force thereon, and, in the second position, the first brake lining is separated from the winch drum.
申请公布号 WO2013101512(A1) 申请公布日期 2013.07.04
申请号 WO2012US70026 申请日期 2012.12.17
申请人 SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 ZHANG, KUN;BREARD, STEPHANE;JACQUEMONT, PIERRE
分类号 B66D5/08;B66D1/28 主分类号 B66D5/08
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