Title:
OIL SUPPLY COMPONENT FOR SCREW EXHAUST PUMP, AND SCREW EXHAUST PUMP PROVIDED WITH SAID COMPONENT
Document Type and Number:
WIPO Patent Application WO/2015/128906
Kind Code:
A1
Abstract:
Provided are: an oil supply component for a screw exhaust pump, which makes it possible to realize a screw exhaust pump that can operate without maintenance over a long period of time and from a low-speed rotation range to a high-speed rotation range; and a screw exhaust pump provided with this component. The pump has a helical structural body disposed inside a rotating shaft of the pump, the helical structural body being capable of exhibiting a liquid-pumping function, and the structural body is configured from a driveable helical structural body positioned below the rotating shaft and a fixed helical structural body positioned thereabove.
Inventors:
KAWABATA YOSEI (JP)
Application Number:
PCT/JP2014/001118
Publication Date:
September 03, 2015
Filing Date:
February 28, 2014
Export Citation:
Assignee:
UNIV TOHOKU (JP)
International Classes:
F04C29/02; F04B39/02; F04C18/16; F04C25/02
Domestic Patent References:
| WO2011148797A1 | 2011-12-01 |
Foreign References:
| JP2013507575A | 2013-03-04 | |||
| JP2005264738A | 2005-09-29 | |||
| JPS6111492A | 1986-01-18 | |||
| JPS63108584U | 1988-07-13 | |||
| JPS63277884A | 1988-11-15 | |||
| JPS60119397A | 1985-06-26 | |||
| JPH0460193A | 1992-02-26 | |||
| US20020170778A1 | 2002-11-21 | |||
| US20110150690A1 | 2011-06-23 | |||
| JP2001003867A | 2001-01-09 | |||
| JPH10281089A | 1998-10-20 |
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