Invention Grant
- Patent Title: Vibration transmission and isolation
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Application No.: US13992227Application Date: 2011-12-07
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Publication No.: US09725965B2Publication Date: 2017-08-08
- Inventor: Marian Wiercigroch
- Applicant: Marian Wiercigroch
- Applicant Address: GB Glasgow
- Assignee: ITI SCOTLAND LIMITED
- Current Assignee: ITI SCOTLAND LIMITED
- Current Assignee Address: GB Glasgow
- Agency: Gavrilovich, Dodd & Lindsey LLP
- Priority: GB1020660.5 20101207; GB1102558.2 20110214; GB1104874.1 20110323
- International Application: PCT/EP2011/072121 WO 20111207
- International Announcement: WO2012/076617 WO 20120614
- Main IPC: E21B3/04
- IPC: E21B3/04 ; E21B17/07 ; E21B7/24 ; E21B44/00
Abstract:
An apparatus for use in resonance enhanced rotary drilling. The apparatus comprising one or both of: (a) a vibration isolation unit; and (b) a vibration transmission unit. The vibration isolation unit and/or the vibration transmission unit typically comprising a spring system comprising two or more frusto-conical springs arranged in series.
Public/Granted literature
- US20140083772A1 VIBRATION TRANSMISSION AND ISOLATION Public/Granted day:2014-03-27
Information query
