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. 21, 2002
Filed:
Nov. 30, 2000
Applicant:
Inventors:
Sen-Yung Lee, Tainan City, TW;
Sheng-Jye Hwang, Tainan City, TW;
Shueei-Muh Lin, Tainan City, TW;
Hsin-Mao Hsieh, Pin-Tong City, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/04 ;
U.S. Cl.
CPC ...
B01F 3/04 ;
Abstract
A bubble generating device includes a central tube having a hollow interior and a float is connected to the central tube. The central tube extends through a disk and a porous film is fixedly mounted to a peripheral wall of the disk A U-shaped tube is connected to the disk and communicates with the hollow interior of the central tube. Two ends of the U-shaped tube respectively communicate with a space between the disk and the porous film. Air enters from the central tube and flows out from two ends of the U-shaped tube to generate bubbles via the porous film.