IP Library › Granted Patent US 11,898,479
Granted Patent B2
US 11,898,479 · App. 17/994,281 · Granted Feb 13, 2024

Engine device

Inventors: Yu Matsui (Osaka, JP); Naotoshi Furukawa (Osaka, JP)
Assignee: Yanmar Power Technology Co., Ltd.
F01N3/0211F01N11/002F01N13/10F01P5/04F01P5/06F02F1/243F02M26/22F02M35/104F02M35/10222
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Quick Facts
Patent No.
US 11,898,479
App. No.
17/994,281
Granted
Feb 13, 2024
Kind
B2
Abstract

An engine device includes an exhaust gas purification device above a cylinder head through a support pedestal. The support pedestal has a flat portion on which the exhaust gas purification device is mounted, and a plurality of legs which protrude downward form the flat portion and are fixed to the cylinder head. The flat portion and the leg portion are formed integrally. Portions between the legs are each formed in an arch-shape.

Claims (14)

1. An engine device provided with an exhaust gas purification device via a support pedestal, comprising:

a cylinder head;

a cylinder head cover on the cylinder head; and

a space provided between the cylinder head cover on the cylinder head and the support pedestal,

wherein the support pedestal has legs fixed to at least three side surfaces of the cylinder head.

2. The engine device according to claim 1 , wherein the space is provided between an upper portion of the cylinder head cover and a lower portion of the support pedestal.

3. The engine device according to claim 2 , wherein the space is not closed but open.

4. The engine device according to claim 3 , further comprising:

an opening provided between the cylinder head cover and the support pedestal.

5. The engine device according to claim 4 , wherein

the opening is arranged above one side of two sides of the cylinder head that intersect with an exhaust side surface and an intake side surface of the cylinder head, and

a cooling fan is provided on the other side.

6. The engine device according to claim 5 , wherein the support pedestal has a mounting portion on which the exhaust gas purification device is mounted above the opening.

7. The engine device according to claim 4 , wherein the support pedestal has a mounting portion on which the exhaust gas purification device is mounted above the opening.

Priority Claims (1)
JP 2017-060186 · Mar 24, 2017 · national
Continuity (3)
Continuation 17071982 · Oct 15, 2020
Continuation 16496896
Related Publication 20230090880A1 · Mar 23, 2023