Invention Grant
- Patent Title: Variable nozzle unit, variable geometry system turbocharger, and power transmission member manufacturing method
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Application No.: US14659171Application Date: 2015-03-16
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Publication No.: US09759086B2Publication Date: 2017-09-12
- Inventor: Satoshi Yoshida , Katsunori Nakagawa , Yasutaka Sakai
- Applicant: IHI Corporation
- Applicant Address: JP Koto-ku
- Assignee: IHI Corporation
- Current Assignee: IHI Corporation
- Current Assignee Address: JP Koto-ku
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2012-216854 20120928
- Main IPC: F01D17/16
- IPC: F01D17/16 ; B22F3/22 ; B22F5/10 ; F02C6/12 ; B22F3/00 ; B22F3/12 ; B22F5/00 ; F02B37/22 ; F02B37/24 ; B22F3/10
Abstract:
Power transmission members, such as synchronous joint members, are each formed by sintering a compact which is molded from a mixture containing metal powder and a binder, as an injection material, by metal powder injection molding. Flow promotion recesses configured to facilitate a flow of the mixture to areas corresponding to power transmission surfaces or the like when the compact is molded are formed in each of two side surfaces of each power transmission member.
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