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. 23, 2001
Filed:
Mar. 15, 2000
Ing. Rauch Fertigungstechnik Gesellschaft m.b.H., Gmunden, AT;
Abstract
A melt withdrawal device for melt furnaces for charging casting machines has a melt conveying pump (,) comprised of a pump tube (,) forming a lower melt inlet (,) and an upper melt outlet (,) and of a pump shaft (,) extending inside the pump tube (,) and carrying a pump rotor (,). To achieve a melt conveyance which is largely independent of the melt level variations inside the melt furnace and can thus be dosed property, a charging means (,) for keeping constant the pump head (h) is provided before the melt conveying pump (,), which charging means (,) comprises a charging tank (,) accommodating the pump tube (,) with the melt inlet (,) and a charging pump (,) capable of filling the charging tank (,) with melt up to a melt overflow (,) determining the charging height, where the delivery rate of the charging pump (,) exceeds that of the conveying pump (,).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile