# US 2017/0284353 A1 · Internal combustion engine

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- Number: US 2017/0284353 A1
- Document ID: US20170284353A1
- Status: Published application
- Kind: A1
- Application number: 15/473,258
- Filed: 2017-03-29
- Published: 2017-10-05
- Earliest claimed: 2016-03-30
- Assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
- Applicants: Mitsubishi Jidosha Kogyo Kabushiki Kaisha
- Inventors: Kenichi NOZU; Tadanori MINOURA; Takeshi OHSHIMA; Genki KURIMOTO
- Web page: https://patentgrep.com/patent/US20170284353A1

## CPC

- F02M 37/0047: {Layout or arrangement of systems for feeding fuel (fuel injection apparatus characterised by their conduits and venting means F02M55/00; fuel injection apparatus having a common rail F02M63/0225; arrangement of fuel conduits of low pressure fuel injection apparatus F02M69/462)}
- F02F 1/24: Cylinder heads
- F02M 39/02: Arrangements of fuel-injection apparatus to facilitate the driving of pumps; Arrangements of fuel-injection pumps; Pump drives
- F02M 53/00: Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
- F02M 55/005: {for high pressure conduits, e.g. connected to pump outlet or to injector inlet}
- F02M 59/48: Assembling; Disassembling; Replacing
- F02M 69/046: {for injecting into both the combustion chamber and the intake conduit}
- F02M 2200/803: using clamp elements and fastening means; e.g. bolts or screws
- F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02F: CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES

## Abstract

An internal combustion engine including an intake passage fuel injection valve for injecting fuel into an intake passage and a cylinder inside fuel injection valve for injecting fuel into a combustion chamber, includes: a fuel pump pressurizing and feeding fuel, which is fed from a fuel tank, to the cylinder inside fuel injection valve; a securing part provided on a cylinder head member of the internal combustion engine to secure the fuel pump; an introducing member having heat conductivity, the introducing member connected to the fuel pump and formed with: a first introducing path for introducing fuel from the fuel tank to the fuel pump; and a second introducing path for introducing fuel from the fuel tank to the intake passage fuel injection valve; and a heat transmitting member transmitting heat between the introducing member and the securing part.

## Claims

### Claim 1

An internal combustion engine which includes: an intake passage fuel injection valve for injecting fuel into an intake passage; and a cylinder inside fuel injection valve for injecting fuel into a combustion chamber, the internal combustion engine comprising:
a fuel pump which is configured to pressurize and feed fuel, which is fed from a fuel tank, to the cylinder inside fuel injection valve;
a securing part which is provided on a cylinder head member of the internal combustion engine to secure the fuel pump;
an introducing member having heat conductivity, the introducing member which is connected to the fuel pump, and which is formed with: a first introducing path for introducing fuel from the fuel tank to the fuel pump; and a second introducing path for introducing fuel from the fuel tank to the intake passage fuel injection valve; and
a heat transmitting member which is configured to transmit heat between the introducing member and the securing part.

### Claim 2 (depends on 1)

The internal combustion engine according to claim 1, wherein
the introducing member is connected to the fuel pump in a rotatable manner, and
the heat transmitting member is in contact with the securing part to restrict rotation of the introducing member with respect to the fuel pump.

### Claim 3 (depends on 1)

The internal combustion engine according to claim 1, wherein
the securing part has a face portion, and
the heat transmitting member is formed by extending apart of the introducing member toward the face portion, and is in face contact with the face portion.

### Claim 4 (depends on 3)

The internal combustion engine according to claim 3, wherein
the introducing member is a polyhedral body having heat conductivity which is fixed to the fuel pump with a piece of bolt, and
at least one of faces of the polyhedral body is in face contact with the face portion.

### Claim 5 (depends on 4)

The internal combustion engine according to claim 4, wherein
a passage for passing fuel which is introduced from the first introducing path to the second introducing path is provided in an outer peripheral part of the bolt.

### Claim 6 (depends on 4)

The internal combustion engine according to claim 4, wherein
a fuel feeding passage from the fuel tank is branched inside the introducing member thereby to form the first introducing path and the second introducing path, and a passage for passing the fuel which is fed from the first introducing path to the fuel pump is provided inside the bolt.