IP Library Granted Patent US 12,012,907
Granted Patent B2
US 12,012,907 · App. 18/124,924 · Granted Jun 18, 2024

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 12,012,907
App. No.
18/124,924
Granted
Jun 18, 2024
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. A longitudinal direction of the EGR cooler is in an up-down direction of the engine in a used state. The exhaust manifold has an EGR pipe that is connected to an EGR cooler, and a part of the EGR pipe extends in left-and-right directions. The part of the EGR pipe is provided at a side where a flywheel housing is provided. An upper end of the EGR cooler has a supply port into which the EGR gas is supplied from the exhaust manifold. The part of the EGR pipe and the flywheel housing are located in an up-down directions.

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 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 exhaust manifold has an EGR pipe that is connected to an EGR cooler, and a part of the EGR pipe extends in left-and-right directions.

3. The engine according to claim 2 , wherein the part of the EGR pipe is provided at a side where a flywheel housing is provided.

4. 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 from the exhaust manifold.

5. The engine according to claim 2 , wherein the part of the EGR pipe and the flywheel housing are located in an up-down directions.

Assignments (2)
CHANGE OF NAME Recorded Mar 23, 2023
From: YANMAR CO., LTD.
To: YANMAR POWER TECHNOLOGY CO., LTD.
Reel/Frame 063155/0691 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 22, 2023
From: MATSUI, YU; KISHIURA, MASATO
To: YANMAR CO., LTD.
Reel/Frame 063064/0311 →
Priority Claims (1)
JP 2017-241707 · Dec 18, 2017 · national
Continuity (3)
Continuation 17513076 · Oct 28, 2021
Continuation 16762553
Related Publication 20230228236A1 · Jul 20, 2023