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:
Feb. 07, 1984
Filed:
Mar. 16, 1982
Virgil C Rostvold, Nashwauk, MN (US);
The Hanna Mining Company, Cleveland, OH (US);
Abstract
A pressure actuated sealing system for a travelling grate comprising at least one horizontally elongated rigid seal plate pivotally mounted below said travelling grate in sealing relationship with said travelling grate and with windbox means mounted below said travelling grate, said travelling grate including a plurality of pallets each with seal plate engaging means and cavity means provided on the underside thereof, said seal plate being pivotable in the direction of movement of said travelling grate by engagement with said seal plate engaging means, said seal plate being pivotable in the direction opposite the direction of movement of said travelling grate by the pressure differential across said seal plate formed by the pressure of the gases within said wind box means on one side of said seal plate and the ambient pressure on the other side of said seal plate, said cavity means being adapted for permitting unobstructed pivotal movement of said seal plate in said opposite direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile