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:
Sep. 17, 1991
Filed:
Apr. 11, 1990
Lloyd A Baillie, Plano, TX (US);
Atlantic Richfield Company, Los Angeles, CA (US);
Abstract
A self acting pressure air pulse control valve for use with fluidizing and pneumatic conveying systems for dry particulate material comprises a housing having a chamber in which a plate type closure member and an actuating piston are disposed and interconnected by an elongated actuating rod. A spring engages the actuating rod through a pivotally supported lever and biases the closure member toward a closed position. Pressure air acts across the face of the closure member to allow the valve to crack open whereupon pressure air acting on the larger actuating piston face snaps the valve to the fully open and unrestricted flow position. A reduction in pressure of the air flowing through the valve allows the biasing spring to reclose the valve to repeat its operating cycle.