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:
Nov. 01, 2016
Filed:
Apr. 02, 2012
Face equipment comprising hose levels placed between the face conveyor and the shield support frames
Martin Junker, Essen, DE;
Armin Mozar, Hamm, DE;
Martin Junker, Essen, DE;
Armin Mozar, Hamm, DE;
RAG AKTIENGESELLSCHAFT, Herne, DE;
Abstract
A face equipment for mechanical extraction in longwall mining, in particular in the underground hard coal mining industry, includes a face conveyor () arranged along the mining wall, an extraction device () that can be moved along the face conveyor (), and shield support frames () supported on the face conveyor () at an angle thereto. In order to determine the height of the face opening, a flexible hose level () with a liquid-filled hose () placed between the face conveyor () and at least one main component of the shield support frame () is installed in the area of the face conveyor (). A pressure sensor () is arranged on at least one end of the hose (). An inclination measuring device () is arranged on the face conveyor () and on the main component of the shield support frame ().