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:
Apr. 03, 1984
Filed:
Jun. 22, 1978
Ernst Dietrich, Worms, DE;
Ernst Guenther, Ludwigshafen, DE;
Werner Hoerauf, Ludwigshafen, DE;
Ernst Kissel, deceased, late of Ludwigshafen, DE;
Hermann Linge, Carlsberg, DE;
Eckart Neumann, Frankenthal, DE;
Eberhard Schaefer, Ludwigshafen, DE;
BASF Aktiengesellschaft, , DE;
Abstract
A vertical cylinder for drying and heating granules which includes an inlet at the top of the cylinder, a conically tapered outlet at the bottom of the cylinder, a rotatable screening ring beneath the inlet, a chute beneath the screening ring and a scraper above the ring inlets for gases in the downward extending section of the cylinder, a shell and tube heat exchanger located coaxially in the bottom quarter of the cylinder, a horizontally movable grid as flow control device below the heat exchange and a discharge zone below the grid.