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. 28, 1984
Filed:
Apr. 12, 1982
Applicant:
Inventor:
James L Skinner, Richardson, TX (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ; F26B / ;
U.S. Cl.
CPC ...
34 10 ; 34 25 ; 34 5 / ; 34 5 / ; 34168 ;
Abstract
An apparatus for controlling the discharge of particulate solids through a discharge opening from a zone containing an expanded bed of particulate solids, the apparatus comprising a plurality of vertical doors positioned to open and close the discharge opening with the doors being adapted to open and close by rotation about a vertical axis; a mounting means to support the doors in position; and a controller adapted to control the opening and closing of the doors.