Title:
エンジン装置
Document Type and Number:
Japanese Patent JP6606523
Kind Code:
B2
Abstract:
In an engine device according to an aspect of the present invention, gas injectors 13 are attached to an intake manifold 3 fixed to a side surface of a cylinder head 2. A fuel gas injected from the gas injectors 13 is premixed in the intake manifold 3, and the resulting gas is supplied to a plurality of cylinders and ignited by ignition devices 12. The intake manifold 3 has a configuration in which a plurality of intake branch pipes 31 communicating with the cylinders are branched from an intake collecting pipe 32 at an air supply side. The intake branch pipes 31 include bent portions 40. In the bent portions 40 of the intake branch pipes 31, inside inner walls 42 near the cylinder head 2 are bent at an acute angle.
Inventors:
Masato Sugimoto
Kota Takamatsu
Kota Takamatsu
Application Number:
JP2017066462A
Publication Date:
November 13, 2019
Filing Date:
March 29, 2017
Export Citation:
Assignee:
Yanmar Co., Ltd.
International Classes:
F02M35/104; F02F1/24; F02M21/02; F02M35/112; F02M37/00; F02M61/04; F02M61/14; F02M69/00
Domestic Patent References:
| JP201631060A | ||||
| JP2012197702A | ||||
| JP2011102547A | ||||
| JP201586728A | ||||
| JP2006105065A |
Foreign References:
| US5992388 | ||||
| US5666926 |
Attorney, Agent or Firm:
Ryuichi Watanabe