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. 05, 2011
Filed:
Apr. 20, 2006
R. Michael Mcdonald, Fort Collins, CO (US);
Alexei V. Smirnov, Fort Collins, CO (US);
Brian Lee, Fort Collins, CO (US);
Michael John Zolock, Berthoud, CO (US);
R. Michael McDonald, Fort Collins, CO (US);
Alexei V. Smirnov, Fort Collins, CO (US);
Brian Lee, Fort Collins, CO (US);
Michael John Zolock, Berthoud, CO (US);
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A system and method for delivering a specified-quantity of a fluid using a flow controller based on a fluid delivery profile is described. One embodiment includes a fluid delivery profile that includes a delivery time window with a plurality of set points that each correspond with a specified instant in time within the delivery time window. The method also includes delivering the fluid according to the fluid delivery profile through a variable valve using the flow controller and a feedback signal from a flow sensor.