SLIDING FACE NON-CONTACT HIGH-GASTIGHTNESS SEAL-LESS ROTARY PUMP

Details for Australian Patent Application No. 2002244963 (hide)

Owner HIRATSUKA, Kazukimi

Inventors HIRATSUKA, Kazukimi

Pub. Number AU-A-2002244963

PCT Pub. Number WO2003/083265

Filing date 2 April 2002

Wipo publication date 13 October 2003

International Classifications

F01C 001/46 Rotary-piston machines or engines

F04C 002/46 Rotary-piston machines or pumps

F04C 011/00 Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type

F04C 018/46 Pumps specially adapted for elastic fluids

F04C 023/00 Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids

F04C 025/02 Adaptations for special use of pumps for elastic fluids

F04C 029/00 Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups

F01C 011/00 Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type

Event Publications

20 November 2003 Application Open to Public Inspection

  Published as AU-A-2002244963

16 December 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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