US 12,234,739 B2
Semi-floating turbine nozzle ring
Christopher Homison, Wattsburg, PA (US); Louis Kobielski, Sherman, NY (US); and Timothy Blackhurst, Erie, PA (US)
Assigned to Transportation IP Holdings, LLC, Norwalk, CT (US)
Filed by Transportation IP Holdings, LLC, Norwalk, CT (US)
Filed on Dec. 29, 2022, as Appl. No. 18/148,291.
Claims priority of provisional application 63/268,093, filed on Feb. 16, 2022.
Prior Publication US 2023/0258100 A1, Aug. 17, 2023
Int. Cl. F01D 17/16 (2006.01); F01D 9/04 (2006.01); F04D 17/10 (2006.01); F04D 29/44 (2006.01)
CPC F01D 17/165 (2013.01) [F01D 9/045 (2013.01); F04D 17/10 (2013.01); F04D 29/444 (2013.01); F05D 2220/40 (2013.01); F05D 2240/128 (2013.01); F05D 2260/38 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A turbine, comprising:
a volute circumferentially surrounding a turbine wheel;
a semi-floating nozzle ring in contact with the volute and a turbine shroud, the semi-floating nozzle ring including vanes coupled to a vane base and the vanes are oriented with the vane base proximate to the turbine shroud, where tips of the vanes are in contact with a volute wall;
a plurality of bias devices arranged between the semi-floating nozzle ring and the turbine shroud to apply a spring force on the semi-floating nozzle ring along a central axis of the turbine, wherein the plurality of bias devices are flexible structures; and
one or more pins anchoring the semi-floating nozzle ring in place relative to a rotation about the central axis via extending through one or more apertures respectively of the semi-floating nozzle ring in a direction from the vane base toward the portion of the volute wall that the tips of the vanes contact, wherein each of the one or more pins is surrounded by and extends through a respective one of the plurality of bias devices.