IP Library Granted Patent US 11,635,033
Granted Patent B2
US 11,635,033 · App. 17/513,076 · Granted Apr 25, 2023

Engine

Inventors: Yu Matsui (Osaka, JP); Masato Kishiura (Osaka, JP)
Assignee: YANMAR POWER TECHNOLOGY CO., LTD.
F02D21/08F02M26/30F02M26/33F02M26/41
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Quick Facts
Patent No.
US 11,635,033
App. No.
17/513,076
Granted
Apr 25, 2023
Kind
B2
Abstract

An engine includes an exhaust manifold, an intake manifold, and an EGR device configured to supply EGR gas from the exhaust manifold to the intake manifold. An EGR cooler is provided at a side of the exhaust manifold, and a longitudinal direction of the EGR cooler is in an up-down direction of the engine in a used state.

Claims (7)

1. An engine, comprising:

an exhaust manifold, an intake manifold, and an EGR device configured to supply EGR gas from the exhaust manifold to the intake manifold,

wherein an EGR cooler is provided at a side of the exhaust manifold, and a longitudinal direction of the EGR cooler is in an up-down direction of the engine in a used state.

2. The engine according to claim 1 , wherein the EGR cooler is provided under the exhaust manifold.

3. The engine according to claim 1 , wherein an upper end of the EGR cooler has a supply port into which the EGR gas is supplied and a discharge port from which the EGR gas is discharged.

4. The engine according to claim 1 , the engine further comprises a cylinder head, wherein the exhaust manifold has an EGR pipe, the EGR pipe is extended from the EGR cooler to the intake manifold and partially formed inside the cylinder head.

5. The engine according to claim 1 , wherein an attachment part of the exhaust manifold is provided between the EGR cooler and the exhaust manifold.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 28, 2021
From: MATSUI, YU; KISHIURA, MASATO
To: YANMAR CO., LTD.
Reel/Frame 057948/0767 →
CHANGE OF NAME Recorded Oct 28, 2021
From: YANMAR CO., LTD.
To: YANMAR POWER TECHNOLOGY CO., LTD.
Reel/Frame 057965/0775 →
Priority Claims (1)
JP JP2017-241707 · Dec 18, 2017 · national
Continuity (2)
Continuation 16762553
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