US Patent 11016513 Method of mixing at least two gases

Patent 11016513 was granted and assigned to Airgas on May, 2021 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Applicant

Airgas

Current Assignee

Airgas

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

11016513

Date of Patent

May 25, 2021

Patent Application Number

15783754

Date Filed

October 13, 2017

Patent Primary Examiner

‌

Dean Kwak

Patent abstract

A method of mixing at least two gases is provided. This method includes providing a mixture composition control, including a predetermined composition input and a composition trim input. Providing N gas flow meters, including a N gas flows, and N desired gas flow rates determined by the mixture composition control, wherein N is 3 or more. Mixing the N gas flows, thereby producing a mixed gas flow at the predetermined composition and at a line pressure. Configuring the N flow meters to adjust the N gas flows to maintain the line pressure at a predetermined value, while maintaining the predetermined composition. And adjusting the composition trim input to vary the composition of the mixed gas, without modifying the predetermined composition input.