发明授权
- 专利标题： Variable nozzle unit, turbocharger, and method for manufacturing variable nozzle unit
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申请号： US16090984申请日： 2017-03-27
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公开(公告)号： US11131237B2公开(公告)日： 2021-09-28
- 发明人: Koutarou Itou
- 申请人： IHI Corporation
- 申请人地址： JP Koto-ku
- 专利权人： IHI Corporation
- 当前专利权人： IHI Corporation
- 当前专利权人地址： JP Koto-ku
- 代理机构： Oblon, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JPJP2016-075036 20160404
- 国际申请： PCT/JP2017/012318 WO 20170327
- 国际公布： WO2017/175615 WO 20171012
- 主分类号： F02B37/24
- IPC分类号： F02B37/24 ; F01D17/16 ; F01D25/24 ; B21D53/78 ; B21J5/08 ; F02B39/00 ; F01D17/10 ; B21D39/00 ; F01D25/00
摘要：
A variable nozzle unit includes: a connection pin which includes a shaft; a support ring which is provided with a first through-hole; and a nozzle ring which is provided with a second through-hole, in which the shaft is inserted through the first through-hole and the second through-hole, one end of the shaft is provided with a flange portion having a diameter larger than that of the second through-hole and the other end of the shaft is provided with a head portion having a diameter larger than that of the first through-hole, the flange portion is in contact with the nozzle ring, and an elastic member that urges the support ring toward the nozzle ring is disposed between the head portion and the support ring.
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