The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 08, 2001
Filed:
Mar. 30, 1999
Applicant:
Inventors:
Peter Andrew Watterson, West Ryde, AU;
Geoffrey Douglas Tansley, Normanhurst, AU;
John Campbell Woodard, Thornleigh, AU;
Assignee:
VentrAssist Pty Ltd and University of Technology, Sydney, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 3/00 ; B63H 1/26 ;
U.S. Cl.
CPC ...
F01D 3/00 ; B63H 1/26 ;
Abstract
This invention relates to rotary pumps adapted, but not exclusively, for use as artificial hearts or ventricular assist devices and, in particular, discloses in preferred forms a seal-less shaft-less pump featuring open or closed (shrouded) impeller blades with the edges of the blades used as hydrodynamic thrust bearing and with electromagnetic torque provided by the interaction between magnets embedded in the blades and a rotating current pattern generated in coils fixed relative to the pump housing.
Published as:
WO9912587A1; EP1019116A1; EP1019116A4; CN1278188A; US6227797B1; US2001004435A1; JP2001515765A; US6609883B2; US2004030216A1; EP1019116B1; ATE292987T1; DE69829766D1; JP3725027B2; US2006030748A1; DE69829766T2; US7156802B2; US2009155049A1; US8002518B2; US2012016178A1; US8366381B2; US2013225910A1;