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. 11, 1987
Filed:
Dec. 04, 1984
Applicant:
Inventors:
David S Smith, San Rafael, CA (US);
Harold W Kamins, Pinole, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
406106 ; 406108 ; 406109 ; 406192 ; 406197 ;
Abstract
A method and apparatus for withdrawal and replacement of solid particles slurried in a fluid employing L-valves is disclosed. The flow through the L-valves is controlled by the control of the flow of separated fluid and the replacement and withdrawal functions are configured so as to permit removal of the solids from the system and addition of fresh material. Control of the fluid flow by means of exerting or controlling pressure on the gas phase in association with it.