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:
Dec. 21, 2004
Filed:
Jan. 17, 2003
Hiroshi Hayasaka, Hitachinaka, JP;
Hitachi Koki Co., Ltd., Tokyo, JP;
Abstract
In a centrifuge comprising a rotor mounted on a drive shaft to be rotatable and having a plurality of bucket accommodating portions and a plurality of buckets placed in the bucket accommodating portions to be swingable, a plurality of sensors are provided to detect each of the buckets. In a case in which each of the sensors does not the bucket when the rotor is in a stop condition or in a low-speed rotation condition, a decision is made that an abnormality of a swinging movement of the bucket has occurred, and the fact of the occurrence of the abnormality is notified to a user. This allows abnormal conditions of the apparatus to be detected, thus protecting a sample and apparatus and enabling the maintenance of the apparatus in advance.