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:
Mar. 08, 2011
Filed:
Jan. 23, 2004
Applicants:
Jouko Muona, Siuro, FI;
Jaakko Niemi, Tampere, FI;
Jukka Osara, Hämeenkyrö, FI;
Tapani Pöysti, Tampere, FI;
Vesa Uitto, Tampere, FI;
Inventors:
Jouko Muona, Siuro, FI;
Jaakko Niemi, Tampere, FI;
Jukka Osara, Hämeenkyrö, FI;
Tapani Pöysti, Tampere, FI;
Vesa Uitto, Tampere, FI;
Assignee:
Sandvik Mining and Construction Oy, Tampere, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 5/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a hydraulic system for mining equipment and a method of adjusting the power of a rock drill machine, at least one mining actuator used for detaching rock is connected to a dedicated separate hydraulic circuit having a special hydraulic pump. The power of the mining actuator is adjusted by changing the hydraulic power generated by the separate hydraulic circuit of the hydraulic pump.