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:
Jul. 13, 1999
Filed:
Jan. 28, 1997
Applicant:
Inventor:
William Andrew Romanauskas, Southbury, CT (US);
Assignee:
Sorvall Products, L.P., Newtown, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ; B04B / ;
U.S. Cl.
CPC ...
74574 ; 494 82 ;
Abstract
A rotating apparatus including a shaft having a rotor mounting location disposed at a predetermined position on the shaft, the rotor mounting location subdividing the shaft into a first and a second portion, a motor for rotating the shaft connected to the first portion of the shaft, a tachometer for monitoring the rotational speed of the shaft; and a stabilizer connected to the second portion of the shaft and responsive to the tachometer for imposing an axially directed force on the shaft, to minimize vibration of the shaft at critical rotational speeds.