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Patent Searching and Data


Title:
VARIABLE NOZZLE TURBOCHARGER
Document Type and Number:
WIPO Patent Application WO/2019/049873
Kind Code:
A1
Abstract:
A variable nozzle turbocharger 1 comprising: nozzle rings 21, 22 that define a scroll flow path 23; a variable nozzle 30 arranged in the scroll flow path; and a nozzle shaft 40. In the variable nozzle turbocharger having the nozzle shaft inserted through a nozzle shaft hole 60 provided in the nozzle rings, the nozzle shaft hole has: a pivot hole section 61 that pivots the nozzle shaft and a large-diameter hole section 62 provided in an end section of the nozzle shaft hole, on the scroll flow path side, and having a larger diameter than the pivot hole section 61. The variable nozzle turbocharger comprises a seal member 50 fitted to the nozzle shaft, housed in the large-diameter hole section, and sealing a gap between an inner circumferential surface 64 of the pivot hole section and the outer circumferential surface 43 of the nozzle shaft facing this inner circumferential surface.

Inventors:
OASHI Yoshiro (Fujisawa Plant 8, Tsuchidana, Fujisawa-sh, Kanagawa 81, 〒2520881, JP)
Application Number:
JP2018/032812
Publication Date:
March 14, 2019
Filing Date:
September 05, 2018
Export Citation:
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Assignee:
ISUZU MOTORS LIMITED (6-26-1, Minami-oi Shinagawa-k, Tokyo 22, 〒1408722, JP)
International Classes:
F02B37/24; F01D11/00; F01D17/16; F01D25/00; F16J15/16; F16J15/447
Domestic Patent References:
WO2016052231A12016-04-07
Foreign References:
JPS61106807A1986-05-24
JPS60191012A1985-09-28
JPS6077284A1985-05-01
JP2010501786A2010-01-21
JP2015194092A2015-11-05
Attorney, Agent or Firm:
HIBIYA Yukihiko et al. (The Stagio East 717, 19-31 Nishiaraisakaecho 1-chome, Adachi-k, Tokyo 43, 〒1230843, JP)
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