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:
Jan. 04, 2005
Filed:
May. 01, 2001
Applicants:
David Da-wei Zhang, Doncaster, AU;
Hugh Barr Mcdonald, Boronia, AU;
Inventors:
David Da-Wei Zhang, Doncaster, AU;
Hugh Barr McDonald, Boronia, AU;
Assignee:
Davey Products Pty Ltd, Victoria, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 2908 ;
U.S. Cl.
CPC ...
Abstract
A seal arrangement for an impeller assembly, the impeller assembly including an impeller housing () adapted to receive a drive shaft. An impeller () is located within the impeller housing () and is adapted for connection to the drive shaft for rotation by the drive shaft about an axis. The seal arrangement includes an annular seal () located axially between the impeller housing () and the impeller () to provide a substantially fluid tight seal between the impeller housing () and the impeller ().