Invention Grant
- Patent Title: Device for controlling a brake of a winch drum mounted on a drilling rig and method for controlling such a device
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Application No.: US15024370Application Date: 2014-09-16
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Publication No.: US10253580B2Publication Date: 2019-04-09
- Inventor: Bernard M Imbault
- Applicant: AUTELEC
- Applicant Address: FR Mennecy
- Assignee: AUTELEC
- Current Assignee: AUTELEC
- Current Assignee Address: FR Mennecy
- Agency: Bachman & LaPointe, P.C.
- Priority: FR1359187 20130924
- International Application: PCT/EP2014/069698 WO 20140916
- International Announcement: WO2015/044004 WO 20150402
- Main IPC: E21B19/00
- IPC: E21B19/00 ; B66D5/10 ; B66D5/30 ; E21B19/08 ; E21B3/04
Abstract:
A device for controlling a brake of a drum of a draw-works equipping a drilling rig operating a drill tool in a borehole, which device comprises a brake lever having a first end connected mechanically to brake bands designed to act on the drum and a second end provided with a first brake control handle. The device further comprises actuation means configured to be controlled and arranged to act mechanically on the brake lever, and a second brake control handle arranged to servo-control said actuation means.
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