Title:
FILM FORMATION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/202305
Kind Code:
A1
Abstract:
A film formation method comprising moving a cylinder head rough-machined product (3) having a ring-shaped valve sheet section (16c) that serves as a film-formed section and a nozzle (23d) of a cold spray device (2) relative to each other along a film formation trajectory (T) in which a film formation start point (P2) and a film formation end point (P5) in the film-formed section are overlapped with each other to form a lap section, and then forming a coating film in the film-formed section while ejecting a raw material powder through the nozzle continuously, wherein the film is formed in such a manner that the end part inclination angle (θ) of the coating film to the surface of the film-formed section at the film formation start point in the lap section becomes 45° or less.
Inventors:
KAMADA KOUKICHI (JP)
SHIBAYAMA HIROHISA (JP)
TAINAKA NAOYA (JP)
UTSUMI YOSHITO (JP)
MATSUYAMA HIDENOBU (JP)
SHIOTANI EIJI (JP)
OGIYA TOSHIO (JP)
SUZUKI HARUHIKO (JP)
SHIBAYAMA HIROHISA (JP)
TAINAKA NAOYA (JP)
UTSUMI YOSHITO (JP)
MATSUYAMA HIDENOBU (JP)
SHIOTANI EIJI (JP)
OGIYA TOSHIO (JP)
SUZUKI HARUHIKO (JP)
Application Number:
PCT/JP2019/014149
Publication Date:
October 08, 2020
Filing Date:
March 29, 2019
Export Citation:
Assignee:
NISSAN MOTOR (JP)
International Classes:
F02F1/00; C23C24/04
Domestic Patent References:
| WO2017022505A1 | 2017-02-09 |
Foreign References:
| JP2015139725A | 2015-08-03 | |||
| JP2016171281A | 2016-09-23 | |||
| JP2007016737A | 2007-01-25 |
Other References:
See also references of EP 3951009A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (JP)
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