Air intake system for a commercial vehicle, in particular a truck

Patent metadata

Field	Value
Publication number	US-10309354-B2
Application number	US-201715641813-A
Country	US
Kind code	B2
Filing date	Jul 5, 2017
Priority date	Jul 6, 2016
Publication date	Jun 4, 2019
Grant date	Jun 4, 2019

Abstract

An air intake system for a commercial vehicle is disclosed. The air intake system includes a hood with at least one frontal intake opening through which air to be guided to an engine of the commercial vehicle can flow and with at least one plenum configured to receive air flowing through the intake opening. The air intake system further includes at least one air pipe having at least one air duct with at least one inlet opening through which the air flowing through the frontal intake opening can flow, the air duct arranged upstream of and fluidically connected with the plenum so as to guide the air to and into the plenum. The air intake system additionally includes at least one air filter and at least one silencer plate arranged upstream of the air filter, the silencer plate having a plurality of through openings through which the air can flow.

First claim

What is claimed is:

1. An air intake system for a commercial vehicle, comprising:
a hood, wherein the hood at least partially covers an engine compartment of the commercial vehicle and wherein the hood includes:
a frontal intake opening through which air to be guided to an engine of the commercial vehicle is flowable; and
a hood plenum cavity configured to receive air flowing through the frontal intake opening;

an air pipe having an air duct with an inlet opening through which air flowing through the frontal intake opening is flowable, wherein the air duct is disposed upstream of, and is fluidically connected with, the hood plenum cavity so as to guide air to and into the hood plenum cavity, wherein the air pipe and the hood are configured as individual components, and wherein the air pipe is removably connected to the hood;
an air filter; and
a silencer plate disposed upstream of the air filter, wherein the silencer plate has a plurality of through openings through which air is flowable and wherein the silencer plate has a mounting ring that is mounted on the hood.

2. The air intake system according to claim 1 , wherein the inlet opening faces downwards in a vertical direction of the commercial vehicle.

3. The air intake system according to claim 1 , further comprising an inlet mesh through which air is flowable, wherein the inlet mesh is disposed in the air duct upstream of the air filter and the silencer plate.

4. The air intake system according to claim 1 , wherein the air pipe has an end portion comprising the inlet opening and has a condensation drip element, wherein the condensation drip element makes condensate from air drip off the air pipe.

5. The air intake system according to claim 1 , further comprising an air path through which air is flowable, wherein the air path comprises the hood plenum cavity, the air duct, and a portion configured to force air to flow downwards in a vertical direction of the commercial vehicle before flowing back upwards through the hood plenum cavity.

6. The air intake system according to claim 1 , further comprising an acoustic absorption disc disposed directly above the air filter and wherein the acoustic absorption disc is made of insulation material.

7. The air intake system according to claim 6 , wherein the acoustic absorption disc is disposed above and parallel to the silencer plate.

Assignees

• Daimler Ag

Inventors

• MAGNUSKI Nicholas
• Reynolds David
• O'Banion Derek

Classifications

• B60Y2200/142

  Heavy duty trucks · CPC title

• B60Y2200/141

  Light trucks · CPC title

• F02M35/10091

  characterised by details of intake ducts: shapes; connections; arrangements (ducts within or on the plenum chamber F02M35/10039) · CPC title

• F02M35/02466

  Meshes; Grids; Perforated plates · CPC title

• F02M35/1216

  by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators · CPC title