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.

Date of Patent:
Jun. 03, 2014

Filed:

Feb. 05, 2009
Applicants:

Douglas Eric Bissell, Monroe, CT (US);

Athanasios Diakomis, Seymour, CT (US);

Louis J. Lengyel, Trumbull, CT (US);

Inventors:

Douglas Eric Bissell, Monroe, CT (US);

Athanasios Diakomis, Seymour, CT (US);

Louis J. Lengyel, Trumbull, CT (US);

Assignee:

Gardner Denver Nash, LLC, Trumbull, CT (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04C 19/00 (2006.01); B23P 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liquid ring pump is provided that includes an annular housing having an inner surface forming a housing cavity. The annular housing is filled with an operating fluid during operation of the pump. The operating fluid forms an eccentric liquid ring in the annular housing during operation of the pump. A rotor is disposed in the housing cavity and includes a plurality of rotor blades. A shaft extends into the annular housing into the housing cavity. The plurality of rotor blades extend radially outward from the shaft toward the inner surface of the annular housing. A liner formed from a corrosion resistant material is disposed substantially flush with at least a portion of the annular housing inner surface opposite a plurality of rotor blade ends.


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