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:
Dec. 10, 1999
Applicant:
Inventors:
Mathew John Torgerson, St. Paul, MN (US);
Wilbert Essig, Jr., Young America, MN (US);
Brent James Weyer, Crystal, MN (US);
Assignee:
Osmonics, Inc., Minnetonka, MN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B 1/00 ;
U.S. Cl.
CPC ...
F03B 1/00 ;
Abstract
The invention concerns a fluid pumping apparatus including a pump unit having an inlet housing, a plurality of pumping stages, and a discharge housing, surrounded by a continuous layer of waterproof material. The waterproof layer is further surrounded by a structural shell. Moreover, the pump unit is threadably engaged to a motor adapter, and no tools are required for the attachment of the pump unit to, or removal of the pump unit from, the motor adapter. The motor adapter is designed so that the mechanical seal is easily accessible.