Title:
VARIABLE NOZZLE UNIT
Document Type and Number:
WIPO Patent Application WO/2020/158406
Kind Code:
A1
Abstract:
A variable nozzle unit (100) is provided with a first plate (110), a second plate (120), a plurality of nozzle vanes (140) each having a rotating shaft portion (142) and a vane (144), a plurality of vane arms (160), and a unison ring (170). Each vane arm (160) includes an engaging portion (164). The plurality of vane arms (160) include at least one extended arm (161). The extended arm (161) has an extended portion (166) having a shape that extends from the engaging portion (164) toward the second plate (120). The second plate (120) has an accepting portion (122) for accepting the extended portion (166). The accepting portion (122) has abutting walls (124) which abut the extended portion (166) in a position in which each nozzle vane (140) maximizes a flow passage surface area of an exhaust flow passage and in a position in which each nozzle vane (140) minimizes said flow passage surface area.
Inventors:
UESUGI TSUYOSHI (JP)
Application Number:
PCT/JP2020/001212
Publication Date:
August 06, 2020
Filing Date:
January 16, 2020
Export Citation:
Assignee:
TOYOTA JIDOSHOKKI KK (JP)
International Classes:
F02B37/24
Domestic Patent References:
| WO2010103867A1 | 2010-09-16 |
Foreign References:
| JP2013537958A | 2013-10-07 | |||
| JP2015518543A | 2015-07-02 | |||
| US20170114658A1 | 2017-04-27 |
Attorney, Agent or Firm:
SATO Tsutomu et al. (JP)
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