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:
Aug. 08, 2000
Filed:
Sep. 18, 1997
Keith Armstrong, Denison, TX (US);
Kevin Kemp, Dallas, TX (US);
FSI International, Chaska, MN (US);
Abstract
A rotary peristaltic pump that can supply fluids accurately at desired flow rates and with the desired control over pulsations normally experienced when using peristaltic pumps. The control is provided, in one aspect, by varying the radius of the shell against which the compression devices act to deform the tubing. In another aspect, the torque needed to turn the rotor is equalized throughout the rotation of the rotor to further enhance the flow rate accuracy of the pump. Torque equalization is preferably enhanced by use of a torque control cam positioned about the rotor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile