US 12,065,928 B2
Control unit for mining machine
Reinhold Pogatschnigg, Katsch an der Mur (AT); and Christian Umundum, Spielberg (AT)
Assigned to Sandvik Intellectual Property AB, Sandviken (SE)
Filed by SANDVIK INTELLECTUAL PROPERTY AB, Sandviken (SE)
Filed on Jan. 8, 2021, as Appl. No. 17/144,686.
Application 17/144,686 is a division of application No. 15/561,024, abandoned, previously published as PCT/EP2015/057230, filed on Apr. 1, 2015.
Prior Publication US 2021/0172253 A1, Jun. 10, 2021
Int. Cl. E21B 7/02 (2006.01); E21C 35/24 (2006.01); F15B 13/08 (2006.01)
CPC E21B 7/022 (2013.01) [E21C 35/24 (2013.01); F15B 13/0814 (2013.01); F15B 13/0825 (2013.01); F15B 13/0842 (2013.01); F15B 13/0878 (2013.01); F15B 13/0896 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A control unit for controlling machine functions of a mining machine, in particular of an underground mining machine, tunneling machine or bolting rig, the control unit comprising:
a flameproof housing having at least one fluid inlet and/or outlet;
a plurality of fluid control valves communicating with the at least one inlet and outlet, wherein the fluid control valves are formed inside at least one valve monoblock, the at least one monoblock including a plurality of fluid passages, wherein the at least one valve monoblock is mounted inside the flameproof housing and is fully encompassed in the flameproof housing; and
at least one manifold in fluid communication with the fluid inlet and/or outlet of the flameproof housing, the at least one manifold being releasably mounted externally on the control unit on the flameproof housing.