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:
Mar. 04, 1997
Filed:
Oct. 31, 1995
Applicant:
Inventors:
James E Berkeley, Hattiesburg, MS (US);
John A McMillan, Atlanta, GA (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 91 ;
Abstract
A humidifier comprising a bucket housing, a fan for producing a flow of air between an inlet port and an outlet port defined by the humidifier, a motor having a shaft disposed within the humidifier, and an impeller assembly coupled to the shaft of the motor, the impeller assembly comprising a hollow stem extending into the bucket housing and having longitudinal ribs disposed within the stem, and a disk disposed on an upper end of the stem, the disk defining an inner annular shoulder, an outer annular shoulder, a circumferential edge and a plurality of circumferentially spaced apertures disposed between the inner and outer annular shoulders.