Title:
エンジンの燃焼室
Document Type and Number:
Japanese Patent JP6460156
Kind Code:
B2
Abstract:
To reduce the cooling loss of an engine.SOLUTION: In a combustion chamber 50 of an engine 1, at least one of a piston top surface 51 and a bottom surface of a cylinder head 11 is a groove-formed surface 56 having a plurality of microscopic grooves 55 formed thereon. A width s of the groove 55 is set in a range of 2-250 μm, and an interfacial flow generation device 60 is extended and installed on the groove-formed surface 56. The interfacial flow generation device 60 is activated at least before a start of combustion of air-fuel mixture to deflect a main flow of gas flowing along the groove-formed surface 56 to a direction of the extension of the groove 55.SELECTED DRAWING: Figure 3
Inventors:
Kiyosue Ryo
Tatsuya Tanaka
Tatsuya Tanaka
Application Number:
JP2017115321A
Publication Date:
January 30, 2019
Filing Date:
June 12, 2017
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
F02B23/10; F02B23/00; F02F3/26; H05H1/24
Domestic Patent References:
| JP201740216A | ||||
| JP201415843A | ||||
| JP201247134A | ||||
| JP2011174388A | ||||
| JP5666026U | ||||
| JP2015187415A | ||||
| JP2009127535A | ||||
| JP2007120397A | ||||
| JP201425373A |
Foreign References:
| WO2017082300A1 |
Attorney, Agent or Firm:
Maeda patent office