# US 10,309,354 B2 · Air intake system for a commercial vehicle, in particular a truck

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- Number: US 10,309,354 B2
- Document ID: US10309354B2
- Status: Granted
- Kind: B2
- Application number: 15/641,813
- Filed: 2017-07-05
- Published: 2018-01-11
- Granted: 2019-06-04
- Earliest claimed: 2016-07-06
- Assignees: Daimler AG
- Applicants: Daimler AG
- Inventors: Nicholas Magnuski; David Reynolds; Derek O'Banion
- Web page: https://patentgrep.com/patent/US10309354B2

## CPC

- F02M 35/161: {Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face}
- B60K 13/02: concerning intake
- F02M 35/02466: {Meshes; Grids; Perforated plates}
- F02M 35/10091: {characterised by details of intake ducts: shapes; connections; arrangements (ducts within or on the plenum chamber F02M35/10039)}
- F02M 35/10111: {Substantially V-, C- or U-shaped ducts in direction of the flow path}
- F02M 35/104: Intake manifolds
- F02M 35/1216: {by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators}
- F02M 35/1272: {using absorbing, damping, insulating or reflecting materials, e.g. porous foams, fibres, rubbers, fabrics, coatings or membranes}
- F02M 35/14: Combined air cleaners and silencers
- B60Y 2200/141: Light trucks
- B60Y 2200/142: Heavy duty trucks
- B60Y 2200/145: Haulage vehicles, trailing trucks
- B60Y 2306/09: Reducing noise
- F02M: SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY

## 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.

## Claims

### Claim 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.

### Claim 2 (depends on 1)

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

### Claim 3 (depends on 1)

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.

### Claim 4 (depends on 1)

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.

### Claim 5 (depends on 1)

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.

### Claim 6 (depends on 1)

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.

### Claim 7 (depends on 6)

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