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:
Apr. 09, 2013
Filed:
Jun. 11, 2010
Byung-jo Lee, Gwangju, KR;
Byung-Jo Lee, Gwangju, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A fan motor unit and a vacuum cleaner having the same are provided. The fan motor unit includes a motor assembly comprising an impeller and a motor, a first upper case configured to surround the motor assembly, the first upper case comprising an inlet tube in communication with an entry of the impeller, configured to a first lower case configured to surround a lower portion of the motor assembly, a damper and a pressure switch, each in communication with the inlet tube and, a warning member connected to the pressure switch, wherein when the pressure of the interior pressure of the motor assembly is below a predetermined value, external air is flowed through the damper and a warning is generated by the warning member and the pressure switch.