Abstract: The invention relates to a fuel cell system (100) of a motor vehicle (200), wherein the fuel cell system (100) comprises: at least one fuel cell stack (90a, 90b), and a housing (1) with a housing body (10) for receiving the at least one fuel cell stack (90a, 90b), wherein the housing body (10) has: at least one motor vehicle securing section (22a, 22b), at least one system module securing section (32a, 32b, 32c, 32d) on the exterior of a housing wall (12, 13, 14, 15, 16, 17) of the housing body (10) for arranging at least one system module (50a, 50b, 50c, 50d), and the at least one system module (50a, 50b, 50c, 50d), wherein the at least one system module (50a, 50b, 50c, 50d) is connected to the at least one fuel cell stack (90a, 90b) so as to communicate therewith.

Abstract: The invention relates to a fuel cell system (100) for a vehicle (F), comprising a vehicle frame or vehicle body part, having: at least one fuel cell module (M1, M2) and a support structure (10) for supporting the fuel cell system (100) on the vehicle frame or the vehicle body part, wherein the support structure (10) has at least one inner component support (13) relative to the at least one fuel cell module (M1, M2), submodules of the at least one fuel cell module (MI, M2) are connected to the at least one inner component support (13), and the at least one component support (13) has at least one securing interface (11, 12) in order to secure the fuel cell system (100) on the vehicle frame or the vehicle body part.

Abstract: A sliding block for a piston of a hydraulic piston machine, includes a concave recess to receive a piston head and a sliding surface to support the piston. A lubricant channel passes through the sliding block from the concave recess to the sliding surface, and the concave recess transforms with a constant tangent i.e. without kinking into a transition segment of a constantly narrowing taper segment of the lubricant channel. The transition segment is convex.

Abstract: A sliding block for a piston of a hydraulic piston machine, includes a concave recess to receive a piston head and a sliding surface to support the piston. A lubricant channel passes through the sliding block from the concave recess to the sliding surface, and the concave recess transforms with a constant tangent i.e. without kinking into a transition segment of a constantly narrowing taper segment of the lubricant channel. The transition segment is convex.