Owner Atlas Copco Airpower

Inventors Block, Tom Paul Maria; Vandevoorde, Manuel Paula Albert

Agent Davies Collison Cave

Pub. Number AU-B-2003254423

PCT Number PCT/BE03/00128

PCT Pub. Number WO2004/020833

Priority 2002/0505 29.08.02 BE

Filing date 24 July 2003

Wipo publication date 19 March 2004

Acceptance publication date 19 February 2009

F04B 39/12 (2006.01) Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups - Casings

F04C 18/16 (2006.01) Pumps specially adapted for elastic fluids - with helical teeth, e.g. chevron-shaped, screw type

F04C 29/00 (2006.01) Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups

F04C 29/12 (2006.01) Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups - Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet

F04C 29/02 (2006.01) Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups - Lubrication