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:
Aug. 21, 2018

Filed:

Aug. 07, 2015
Applicant:

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

Inventors:

Douglas Eric Bissell, Monroe, CT (US);

Charles Howard Beers, Milford, CT (US);

Assignee:

GARDNER DENVER NASH LLC, Charleroi, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 19/00 (2006.01);
U.S. Cl.
CPC ...
F04C 19/005 (2013.01); F04C 19/008 (2013.01); F04C 2220/20 (2013.01); F04C 2230/00 (2013.01); Y10T 29/49238 (2015.01); Y10T 29/49716 (2015.01);
Abstract

A conical member for a pump head of a liquid ring pump, the conical member including a body, the body defining a first body opening on a first end positioned to abut a first pump opening, a second body opening on the first end positioned to abut a second pump opening, and a port. The conical member further includes a radially outer lip arranged about the first end and positioned to abut a pump aperture. A sealing liquid introduction path is arranged to introduce sealing liquid to a working chamber, the sealing liquid introduction path arranged at least partially between the second body opening and an outlet, and a gas vent passage is arranged to vent gas from the working chamber, the gas vent passage arranged at least partially between the port and the first body opening.


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