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.

Date of Patent:
Jun. 07, 2011

Filed:

Aug. 17, 2007
Applicants:

Sebastian Mundry, Ludinghausen, DE;

Rainer Marek, Lunen, DE;

Johannes Wesselmann, Dortmund, DE;

Inventors:

Sebastian Mundry, Ludinghausen, DE;

Rainer Marek, Lunen, DE;

Johannes Wesselmann, Dortmund, DE;

Assignee:

Bucyrus Europe GmbH, Lünen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C 35/23 (2006.01);
U.S. Cl.
CPC ...
Abstract

A shearer loader for underground mining, the shear loader comprising a shearer loader body, at least one cutting drum fastened to a supporting arm joined to the loader body, a first drive motor for moving the shearer loader and a second drive motor for moving the cutting drums, a cooling water circuit for cooling the first and second drive motors, the cooling water circuit including an inlet and a return line, a spray system including at least one spray water circuit, the spray system including a feed line fluidly connecting a common water connection to the cutting drums, the spray system further including a valve in the feed line for switching the spray water circuits on and off, a control valve connected between the feed line of the spray water circuit and the return line of the cooling water circuit, the control valve allowing selective flow from the cooling water circuit to be directed to the cutting drums.


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