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.

Date of Patent:
Mar. 15, 2016

Filed:

Sep. 08, 2014
Applicant:

Derrick Corporation, Buffalo, NY (US);

Inventors:

Bradley T. Derrick, Orchard Park, NY (US);

Michael J. Schwec, Hamburg, NY (US);

Assignee:

Derrick Corporation, Buffalo, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B04B 1/20 (2006.01); B04B 13/00 (2006.01);
U.S. Cl.
CPC ...
B04B 1/2016 (2013.01); B04B 1/20 (2013.01); B04B 13/00 (2013.01);
Abstract

A centrifuge including a bowl, a bowl drive motor, a screw conveyor, a screw conveyor drive motor, a pump, a pump motor, a bowl VFD to drive the bowl drive motor, a conveyor VFD to drive the screw conveyor drive motor, a pump VFD to drive the pump drive motor, an analysis assembly and a computer electrically connected to the bowl VFD, the conveyor VFD, the pump VFD, and the analysis assembly. The analysis assembly is configured to automatically sample slurry pumped into the bowl and automatically transmit data, characterizing the slurry, to the computer. The computer is configured to calculate control schemes for the bowl VFD, the conveyor VFD, and the pump VFD using the data and, transmit control signals to the bowl VFD, the conveyor VFD and the pump VFD to operate the bowl VFD, the conveyor VFD and the pump VFD according to the control schemes.


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