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:
Oct. 09, 2007
Filed:
Jan. 09, 2006
Applicants:
Hiroyuki Takahashi, Ibaraki, JP;
Masahiro Inaniwa, Ibaraki, JP;
Yoshitaka Niinai, Ibaraki, JP;
Inventors:
Assignee:
Hitachi Koki Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B04B 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A centrifugal separator is configured such that a switching unit adapted to be brought into electrical conduction or into electrical nonconduction is electrically connected between a motor housing and a motor-ground connection wire, and that the switching unit is controlled to be brought into nonconduction when a door is closed.