US 12,123,339 B1
Turbine wastegate linkage assembly
Keith Taylor, Torrance, CA (US)
Assigned to Garrett Transportation I Inc., Torrance, CA (US)
Filed by Garrett Transportation I Inc., Torrance, CA (US)
Filed on Dec. 28, 2023, as Appl. No. 18/398,886.
Int. Cl. F02B 37/18 (2006.01); F01D 17/10 (2006.01)
CPC F02B 37/186 (2013.01) [F01D 17/105 (2013.01); F05D 2220/40 (2013.01); F05D 2260/52 (2013.01); F05D 2260/57 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A turbocharger assembly comprising:
a turbocharger housing;
a turbine assembly that comprises a wastegate;
an actuator assembly that responds to a control signal to transition the wastegate from a closed position to an open position;
a linkage assembly that comprises a control coupling, a wastegate coupling, and a spring guide, wherein the wastegate coupling is operatively coupled to the wastegate and the control coupling is operatively coupled to the actuator assembly; and
a spring assembly that comprises a spring that comprises an extension, wherein the extension forcibly contacts the spring guide at a closed angle of contact for the closed position of the wastegate and at an open angle of contact for the open position of the wastegate, wherein the open angle of contact is less than the closed angle of contact;
wherein the spring assembly is mounted on the turbocharger housing;
wherein the spring comprises a torsion spring.