# US 12,110,853 B2 · Engine

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- Number: US 12,110,853 B2
- Document ID: US12110853B2
- Status: Granted
- Kind: B2
- Application number: 18/119,144
- Filed: 2023-03-08
- Published: 2023-09-14
- Granted: 2024-10-08
- Earliest claimed: 2022-03-10
- Assignees: Yanmar Holdings Co., Ltd.
- Applicants: Yanmar Holdings Co., Ltd.
- Inventors: Yu Hirao; Yuki Kobayashi
- Web page: https://patentgrep.com/patent/US12110853B2

## CPC

- F02M 55/025: {Common rails}
- F02B 75/22: with cylinders in V, fan, or star arrangement
- F02M 55/005: {for high pressure conduits, e.g. connected to pump outlet or to injector inlet}
- F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02B: INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G)

## Abstract

An engine is an engine provided with a first cylinder row and a second cylinder row. The engine includes: a controller that is placed in an intra-bank area positioned between the first cylinder row and the second cylinder row; and a fuel pipe that is placed below the controller in the intra-bank area and included in a passage of a fuel. Ina plan view from an up and down direction, a joint portion possessed by the fuel pipe is displaced from the controller.

## Claims

### Claim 1

An engine provided with a first cylinder row and a second cylinder row, the engine comprising:
a cylinder block;
a controller that is positioned in an intra-bank area between the first cylinder row and the second cylinder row, between the cylinder block and a distal end of the first cylinder row displaced from the cylinder block, and between the cylinder block and a distal end of the second cylinder row displaced from the cylinder block; and
a fuel pipe that is positioned below the controller in the intra-bank area and configured to enable a passage of a fuel, and
wherein, in a plan view from an up and down direction, a joint portion possessed by the fuel pipe is displaced from the controller.

### Claim 2 (depends on 1)

The engine as claimed in claim 1, comprising:
a plurality of fuel pipes extending in a same direction, included as the fuel pipe, and
wherein the joint portions of the fuel pipes adjacent to each other are displaced in a direction in which the fuel pipes extend.

### Claim 3 (depends on 2)

The engine as claimed in claim 2, wherein the direction in which the fuel pipes extend is a crankshaft direction.

### Claim 4 (depends on 1)

The engine as claimed in claim 1, comprising:
a fuel pump that is positioned in the intra-bank area, and that is arranged in a crankshaft direction together with the controller.

### Claim 5 (depends on 4)

The engine as claimed in claim 4, wherein the fuel pump is connected with the fuel pipe via the joint portion.

### Claim 6 (depends on 1)

The engine as claimed in claim 1, comprising:
a fuel pump that is positioned in the intra-bank area, and that is connected with the fuel pipe via the joint portion.

### Claim 7 (depends on 1)

The engine as claimed in claim 1, comprising:
a guide member that is positioned in the intra-bank area, and that has a surface along which an electrical wire is positioned.

### Claim 8 (depends on 1)

The engine as claimed in claim 1, wherein the controller is positioned in a manner to be inclined in a plan view from a crankshaft direction.

### Claim 9 (depends on 7)

The engine as claimed in claim 7, wherein:
the controller is positioned in a manner to be inclined in a plan view from a crankshaft direction, and
the electric wire includes an electric wire connected to the controller.

### Claim 10 (depends on 1)

The engine as claimed in claim 1, wherein a bulkhead is positioned between the controller and the fuel pipe.

### Claim 11 (depends on 10)

The engine as claimed in claim 10, wherein the bulkhead is a controller mounting base to which the controller is mounted.

### Claim 12 (depends on 1)

The engine as claimed in claim 1, wherein the joint portion is positioned in the intra-bank area.

### Claim 13

An engine provided with a first cylinder row and a second cylinder row, the engine comprising:
a controller that is positioned in an intra-bank area between the first cylinder row and the second cylinder row; and
a guide member that is positioned in the intra-bank area, and that has a surface along which an electrical wire is placed, wherein the guide member is configured to reduce passage of an electromagnetic wave through the guide member.

### Claim 14 (depends on 13)

The engine as claimed in claim 13, wherein the guide member is configured to mount the electrical wire to the surface via a fastener.

### Claim 15 (depends on 13)

The engine as claimed in claim 13, wherein the guide member includes a first portion and a second portion, the first portion at an angle to the second portion.

### Claim 16 (depends on 13)

The engine as claimed in claim 13, wherein the guide member includes a metal.

### Claim 17 (depends on 13)

The engine as claimed in claim 13, further comprising an intake manifold, wherein the guide member is mounted to the intake manifold.