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:
Sep. 11, 2007
Filed:
Jan. 24, 2005
Applicants:
Kai-cheng Chang, Taipei, TW;
Chia-yuan Chang, Hsinchu, TW;
Inventors:
Kai-Cheng Chang, Taipei, TW;
Chia-Yuan Chang, Hsinchu, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B03C 3/12 (2006.01); B03C 3/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plane type electric precipitator includes an electrode plate of plane shape, made of electricity-conducting material; a collecting plate, parallel to the electrode plate and made of electricity-conducting material; a plurality of electrode units, placed on the electrode plate and having tips; wherein direct electric voltage is applied between the electrode plate and the collecting plate, so that air passing through is exposed to high electric fields close to the tips of the electrode units, ionizing suspended particles and trapping ionized particles at the collecting plate, so that an air-cleaning effect results.