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.:

US 6672830 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 06, 2004

Filed:

Jul. 19, 2002
Applicant:
Inventor:

Robert E. Rockwood, Windham, NH (US);

Assignee:

Environamics Corporation, Hudson, NH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 2/966 ;
U.S. Cl.
CPC ...
F04D 2/966 ;
Abstract

A centrifugal pump includes a C-shaped sealing assembly including an annular spring disposed between opposing legs of a base member. The spring biases the legs away from one another into sealing positions. In other embodiments, a vertical pump may be provided so as to include an oil recirculation system which enables an oil-based lubricant to be utilized instead of grease. In still other embodiments, the axial location of a pump shaft may be adjusted by rotating a bearing housing relative to the bearing frame where the two are threadedly connected to one another.


Find Patent Forward Citations

Rockwood, Robert. (2004). Vertical pump with oil lubricant; c-seal for pump; and pump with threaded shaft position adjustment (U.S. Patent No. 6672830). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6672830

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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