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. 19, 1986
Filed:
Feb. 04, 1985
Applicant:
Inventors:
Jean C Kita, Vermelles, FR;
Roger M Puff, Lens, FR;
Assignee:
Charbonnages de France, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F12B / ;
U.S. Cl.
CPC ...
432 58 ; 432 15 ; 110245 ; 34 5 / ; 431170 ;
Abstract
Apparatus for supplying gas to a fluidization grid which has two separate supply circuits, one for compressed air and one for fluidizing air, the orifices of each circuit ending at the pyramids of the grid. The orifices of each circuit, are arranged in groups, and are connected by pipes to a stator cylinder in which a rotatable rotor tube extends. A motor is arranged to rotate the rotor tube to a number of predetermined positions. The rotor tube is connected to a supply pipework and is pierced with passage openings which are arranged upon rotation of the rotor tube to correspond to the pipes.