|US 11,753,960 B2|
|Bipin Gupta, Tokyo (JP); Toyotaka Yoshida, Tokyo (JP); Yosuke Dammoto, Sagamihara (JP); Yoji Akiyama, Sagamihara (JP); and Jain Sambhav, Sagamihara (JP)|
|Assigned to MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara (JP)|
|Appl. No. 17/430,454|
|Filed by MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD., Sagamihara (JP)|
|PCT Filed Feb. 25, 2019, PCT No. PCT/JP2019/007142
§ 371(c)(1), (2) Date Aug. 12, 2021,
PCT Pub. No. WO2020/174550, PCT Pub. Date Sep. 3, 2020.
|Prior Publication US 2022/0120190 A1, Apr. 21, 2022|
|Int. Cl. F01D 17/16 (2006.01); F01D 5/14 (2006.01)|
|CPC F01D 17/165 (2013.01) [F01D 5/141 (2013.01); F05D 2220/40 (2013.01); F05D 2240/124 (2013.01); F05D 2250/90 (2013.01)]||10 Claims|
1. A nozzle vane of a variable geometry turbocharger, comprising:
a nozzle vane body rotatably disposed in an exhaust gas passage defined between a shroud surface and a hub surface; and
a fin disposed on at least one of a pressure surface or a suction surface of the nozzle vane body and disposed within a range of 0.6L from a trailing edge of the nozzle vane body, where L refers to a chord length of the nozzle vane body,
wherein the fin satisfies a relationship of 0.3L≤X, where X refers to a length of the fin along a chord direction of the nozzle vane body.