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:
Oct. 20, 1998
Filed:
Jun. 26, 1997
Luis Gomez, Bolivar, VE;
Brifer International Ltd., Bridgetown, BB;
Abstract
The present invention relates to a slide valve for use in high pressure, high temperature, erosive environments. The slide valve includes a valve housing, a liner defining a flow passage within the valve housing through which a medium which contains fluidized iron oxide particles can pass, a stationary valve member fixed relative to the flow passage, and a valve member movable relative to the flow passage and to the stationary valve member for restricting and/or blocking flow through the flow passage. The movable valve member has an orifice therein and is movable between a first position wherein the orifice is aligned with the flow passage and a second position wherein the orifice is non-aligned with the flow passage. The valve is in a fully closed position when a solid portion of the movable valve member closes the flow passage. In a partially open or partially closed positions a solid portion of the movable valve member partially obstructs the flow passage.