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, 2002
Filed:
Apr. 11, 2000
David Alan Barkus, Oakville, CT (US);
Raymond Gary Potter, Southbury, CT (US);
Kendro Laboratory Products, L.P., Newtown, CT (US);
Abstract
A method for limiting an operating speed of a centrifuge rotor includes the steps of determining whether an actual parameter value of the rotor is within a predetermined range of an expected parameter value of the rotor, and limiting the operating speed when the actual parameter value is not within the predetermined range of the expected parameter value. At least one of the following parameters is evaluated: (i) energy required to accelerate the rotor from rest to a predetermined speed, (ii) change in energy required to accelerate the rotor from a first speed to a second speed, (iii) energy loss due to windage of the rotor, (iv) time required to accelerate the rotor from a first speed to a second speed, (v) speed of the rotor at a predetermined time, and (vi) ratio of drag coefficient and inertia.