US 11,732,775 B2
Crankshaft having at least one counterweight
Bechir Mokdad, Jebsheim (FR); and Yves-Antoine Rogard, Ribeauville (FR)
Assigned to Liebherr-Components Colmar SAS, Colmar (FR)
Filed by Liebherr-Components Colmar SAS, Colmar (FR)
Filed on Feb. 2, 2022, as Appl. No. 17/649,769.
Claims priority of application No. 20 2021 100 494.0 (DE), filed on Feb. 2, 2021.
Prior Publication US 2022/0243783 A1, Aug. 4, 2022
Int. Cl. F16F 15/28 (2006.01)
CPC F16F 15/283 (2013.01) 19 Claims
OG exemplary drawing
 
1. A crankshaft having:
at least one counterweight that is screwed to the crankshaft,
wherein the counterweight has a contact surface at which it contacts a counter-contact surface, and wherein the contact surface extends in a plane that extends in parallel with the axis of the crankshaft; and
at least two screws by means of which the counterweight is screwed to the crankshaft;
wherein a position of the counterweight at the crankshaft is fixed via at least a first and a second positioning element independent of the screw connection;
wherein the first positioning element is arranged in a first plane extending perpendicular to the axis of the crankshaft; and
wherein the second positioning element is extending in a second plane extending perpendicular to the axis of the crankshaft, the second plane being spaced apart from the first plane in a direction of the axis of the crankshaft.