How Lexus LS 600h Became the World's Quietest Passenger Car

1 Июн 2015 | Author: | No comments yet »
Lexus LS 600h

How Lexus LS 600h Became the Quietest Passenger Car

Automotive of the cabin/interior noise level driving at different speeds to all conclude a clear winner. A that distances itself the rest when it comes to a quiet car. I am talking the Lexus flagship model LS

Clearly, putting together a car is a endeavor and the manufacturers need to an optimal balance between handling, safety and comfort. I was as to how the LS 600h can deliver such a and quiet driving experience, so I Lexus/Toyota to let us in on what noise reduction measures they taken when designing and the car.

People often to assume that it is the hybrid that makes Lexus quieter than other A hybrid engine will reduce the engine noise, that there is also soundproofing in the firewall; i.e. the between the engine and the cabin. the car may not be quiet overall. There are of hybrid cars that are noisy at highway speeds due to soundproofing, letting in both road noise and wind

The story about the LS 600h and its noise reduction measures is impressive and I would like to with you the details of what has done to offer the world’s passenger car.

“Sound and sound isolation items been adopted throughout the to achieve a high-quality interior that is quiet both the vehicle is stopped and while states Lexus.

See below an overview of key noise measures taken and the desired of each:

For you to understand how extensive the to reduce noise has been, see a more detailed gross of noise and vibration reduction

Under Floor

Sound and isolating structures are added to the floor parts to enhance

Incorporated sound absorbing in the floor under cover.

sound absorbing material in the insulator of the exhaust pipe.

The header area has been to reduce muffled sounds in the

Measures to Reduce Wind

The shapes of the grille and fins been revised to reduce noise.

To prevent cavity noise, has been given to prevent the from hitting the inner of the lower grille bars.

are installed to disrupt the airflow, to prevent cavity noise.

The body features a wind reduction construction for enhanced

Foam insulation has been placed within the closed section of the side member and front header.

The step-up in the moulding has been reduced.

seal rubber is adopted.

side seal rubber is

Fender seal rubber is

A weather strip is adopted to the gap the front and rear doors.

A lip is added to the base of the glass and low settling material is adopted to the weather strip.


A cap is adopted on the top end of the bar.

Aero-stabilizing fins on the door frame mouldings are effective in reducing wind

The outer door mirror has been downsized to reduce noise.

A power retractable is adopted to reduce motor when mirrors are being

A roof moulding with shape, aero-stabilizing fin at the base of the pillar, and newly shaped door mirror are adopted to the airflow over the windshield towards the rear, helping to wind noise.

Noise insulating type glass is adopted for the windshield

Noise insulating type glass with an infrared cut is available for the front door rear door glass, and door quarter glass.

pillar base width has increased to rectify the air flowing over the pillar, helping to rustling noise.

The following have been implemented to the inner weather strip, to reduce wind noise.

and rear end EPT (Ethylene-propylene Terpolymer) optimized

Finer flock on lip, and its material has been

Sound absorbing material between lips

Sound material has been added to the door service hole helping to reduce road

Lexus LS 600h
Lexus LS 600h
Lexus LS 600h
Lexus LS 600h
Lexus LS 600h
Lexus LS 600h

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