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. 25, 2025
Filed:
Mar. 31, 2022
Applicant:
Sandvik Mining and Construction Oy, Tampere, FI;
Inventor:
Samuli Verho, Tampere, FI;
Assignee:
Sandvik Mining and Construction Oy, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/02 (2006.01); E21B 15/04 (2006.01);
U.S. Cl.
CPC ...
E21B 7/022 (2013.01); E21B 7/025 (2013.01); E21B 15/045 (2013.01);
Abstract
An operating system, rock drilling rig and method for operating an electrically operated rock drilling rig. The operating system includes an electric system connected to an electric supply source and having one or more electric motors controlled by electric control devices. The system further includes a hydraulic system having one or more hydraulic pumps and hydraulic control devices. There are hydraulic tramming actuators connected to closed loop hydraulic circuits and hydraulic drilling actuators connected to either open or closed loop circuits.