Title:
PRE-CHAMBER TYPE DIESEL ENGINE
Document Type and Number:
WIPO Patent Application WO/2020/105353
Kind Code:
A1
Abstract:
Provided is a pre-chamber type diesel engine with which it is possible to suppress changes in the injection characteristic and problems in terms of durability even during operation over a long period of time. The present invention provides a pre-chamber type diesel engine (1) equipped with a cylinder head (3A) in which is formed a pre-combustion chamber (10) that is connected to a main combustion chamber (14) by a communication hole (12), wherein an injector (20) for injecting fuel into the pre-combustion chamber (10) is attached to the cylinder head (3A), and the cylinder head (3A) is equipped with an overheating prevention structure (70A) at the periphery of an injector tip-end part (21) at an injector attachment portion (3c) of the cylinder head (3A).
Inventors:
ASAI GO (JP)
MORITA GIN (JP)
MATSUKI KAZUYA (JP)
MORITA GIN (JP)
MATSUKI KAZUYA (JP)
Application Number:
PCT/JP2019/041621
Publication Date:
May 28, 2020
Filing Date:
October 24, 2019
Export Citation:
Assignee:
YANMAR CO LTD (JP)
International Classes:
F02M61/14; F02F1/24; F02F1/36; F02M61/16
Foreign References:
| JPH03121242A | 1991-05-23 | |||
| US2120768A | 1938-06-14 | |||
| JPS58137865U | 1983-09-16 | |||
| JP2003056426A | 2003-02-26 |
Attorney, Agent or Firm:
ONO, Hisazumi et al. (JP)
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