Title:
内燃機関用バルブ
Document Type and Number:
Japanese Patent JP7064250
Kind Code:
B2
Abstract:
Provided is a valve for internal combustion engines, which is capable of minimizing the possibility of detachment of an outer peripheral part of a heat insulating layer firmly fixed to a valve bottom surface. A valve bottom surface (5) is directed to a combustion chamber (S), a heat insulating layer (11) is firmly fixed to the valve bottom surface (5), a peripheral wall part (16) is provided integrally with the valve bottom surface (5) in such a manner as to surround the heat insulating layer (11), and the inner peripheral surface (16i) of the peripheral wall part (16) contacts the entire peripheral surface (11p) of the heat insulating layer (11) over the entire thickness range from the valve bottom surface (5) to the surface of the heat insulating layer (11).
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Inventors:
Ryoichi Yoshino
Hiroshi Kunitake
Taiki Sato
Hiroshi Kunitake
Taiki Sato
Application Number:
JP2020503234A
Publication Date:
May 10, 2022
Filing Date:
March 02, 2018
Export Citation:
Assignee:
NITTAN Co., Ltd.
International Classes:
F01L3/02; F01L3/04; F01L3/20
Domestic Patent References:
| JP55025679U | ||||
| JP2012072748A | ||||
| JP59009109U | ||||
| JP52111813U |
Foreign References:
| WO2015111272A1 | ||||
| US20140014057 | ||||
| WO2013081150A1 |
Attorney, Agent or Firm:
Yagi Hideto
Shinya Tamba
Yu Ota
Yuki Kawano
Foster child
Shinya Tamba
Yu Ota
Yuki Kawano
Foster child