Title:
FLUID POWERED SPINDLE
Document Type and Number:
WIPO Patent Application WO/2015/036840
Kind Code:
A3
Abstract:
A fluid-powered high-speed spindle (100) having a longitudinal axis (A) defining an upper end defined by a shank and a lower end accepting a tool. The spindle includes a body (120), a rotatable shaft (530) supported by at least one bearing (508) within the body (120), a seal housing (150) connected to the body (120) at the lower end thereof, a cover (180) connected to the seal housing (150) at the lower end thereof, a fluid channel system for directing fluid from an entry port (102) to a nozzle (576) for turning a turbine (570) attached to the shaft (530); and a flinger (660) attached to the shaft (530) and positioned above the turbine (570). The flinger (660) and the seal housing (150) combine to form a non- contact seal (900) configured to impede the flow of fluid toward the at least one bearing (508).
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Inventors:
DOTAN AVIAD (IL)
FRUMSON TANYA (IL)
ANGEL AVIGDOR (IL)
BOOKS BARUCH (IL)
HARPAZ OREN (IL)
PERLBERG GIL (IL)
FRUMSON TANYA (IL)
ANGEL AVIGDOR (IL)
BOOKS BARUCH (IL)
HARPAZ OREN (IL)
PERLBERG GIL (IL)
Application Number:
PCT/IB2014/001795
Publication Date:
July 30, 2015
Filing Date:
September 10, 2014
Export Citation:
Assignee:
COLIBRI SPINDLES LTD (IL)
International Classes:
A61C1/05; B23Q5/06
Domestic Patent References:
| WO2011001421A1 | 2011-01-06 | |||
| WO1999058984A1 | 1999-11-18 |
Foreign References:
| DE20218632U1 | 2003-02-20 | |||
| US20090123247A1 | 2009-05-14 | |||
| US4229139A | 1980-10-21 | |||
| US2799934A | 1957-07-23 | |||
| EP2449999A1 | 2012-05-09 | |||
| EP0549910A1 | 1993-07-07 | |||
| DE3246111A1 | 1983-08-25 |
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