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Patent Searching and Data


Title:
LUBRICATION OF SCREW MACHINES
Document Type and Number:
WIPO Patent Application WO/2011/098835
Kind Code:
A3
Abstract:
A screw machine for use with a working fluid with a liquid phase present comprises rotors having meshed, lubricated helical formations. The rotors have an 'N' profile as disclosed in WO 97/43550. In use, lubrication of the helical formations of the rotors and optionally of the rotor bearings is achieved substantially exclusively with the liquid phase of the working fluid.

Inventors:
SMITH IAN KENNETH (GB)
STOSIC NIKOLA RUDI (GB)
Application Number:
PCT/GB2011/050275
Publication Date:
September 27, 2012
Filing Date:
February 14, 2011
Export Citation:
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Assignee:
UNIV CITY (GB)
SMITH IAN KENNETH (GB)
STOSIC NIKOLA RUDI (GB)
International Classes:
F04C18/16; F01C1/16; F01C17/00; F01C21/04; F16C33/66; F16N15/04
Domestic Patent References:
WO2009143589A22009-12-03
Foreign References:
DE2918369A11980-11-13
JPH10141262A1998-05-26
US6506037B12003-01-14
US20040071578A12004-04-15
Other References:
See also references of EP 2534339A2
Attorney, Agent or Firm:
CUMMINGS, Sean et al. (Fleet Place House2 Fleet Place, London EC4M 7ET, GB)
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