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Home › View all posts by b1r2i3a4n5 › Page 2

Author: b1r2i3a4n5

Brake Actuator Description

Posted on December 28, 2012 by b1r2i3a4n5

The brake actuator consists of the pressure holding solenoid valve, pressure reduction solenoid valve, pump, motor, and reservoir. When the brake actuator receives a signal from the Skid Control ECU, the (more…)

Posted in Brakes
Tagged with brake

What is Skid Control ECU?

Posted on December 28, 2012 by b1r2i3a4n5

1. General

Based on signals from the speed sensors, the Skid Control ECU senses the rotational speed of the wheels as well as the vehicle speed. During braking, although the rotational speed of the (more…)

Posted in Brakes
Tagged with brake

Control Idea of ABS (Anti-lock Brake System)

Posted on December 28, 2012 by b1r2i3a4n5

To prevent the tires from locking and the loosing the ability to turn the steering wheel during emergency braking, it is effective to repeatedly depress and release the brake. There is no time to do this, (more…)

Posted in Brakes
Tagged with brake

Types of Parking Brake Body

Posted on December 28, 2012 by b1r2i3a4n5

There are several types, depending on the type of rear brakes.

1. Foot brake sharing type

(1) Drum brake type

This type uses the drum brake body to hold the tire. The rear wheel foot brake is (more…)

Posted in Brakes
Tagged with brake

Parking Brake Types of Parking Brake Lever

Posted on December 28, 2012 by b1r2i3a4n5

1. Lever type

Mainly used in passenger and commercial

vehicles.

2. Stick type

Used in some commercial vehicles.

3. Pedal type

Used in some passenger and highgrade vehicles. Nowadays the (more…)

Posted in Brakes
Tagged with brake

Propeller Shaft Vibration and Sounds

Posted on December 21, 2012 by b1r2i3a4n5

Imbalance
Imbalance in the propeller shaft causes vibration or noise, like in tires. The propeller shaft turns faster than tires by the gear ratio of the differential gear. Therefore, the frequency of (more…)

Posted in Vibration And Noise
Tagged with Propeller, shaft, Sounds, Vibration

Tire Uniformity Vibration and Sounds

Posted on December 21, 2012 by b1r2i3a4n5

Tire uniformity refers to uniformity of weight, dimensions and rigidity.
However, since uniformity of weight is ordinarily called “wheel balance” and uniformity of dimensions is called “run-out” uniformity (more…)

Posted in Vibration And Noise
Tagged with Sounds, Tire, Uniformity, Vibration

Run-out Vibration and Sounds

Posted on December 21, 2012 by b1r2i3a4n5

Since a tire is made by bonding together rubber, there is a in difference in the rubber thickness, the circumference of the tire is not a perfect circle.
Even if the tire is perfectly circular, if the (more…)

Posted in Vibration And Noise
Tagged with Run-out, Sounds, Vibration

Wheel Balance Vibration and Sounds

Posted on December 21, 2012 by b1r2i3a4n5

Due to the weight unbalance of the rotating object, a centrifugal force is generated during rotation, which results in a vibrating force.
This vibrating force increases in proportion to the square of (more…)

Posted in Vibration And Noise
Tagged with Balance, Sounds, Vibration, wheel

Tires Vibration and Sounds

Posted on December 21, 2012 by b1r2i3a4n5

The vibrating force caused by tires can be classified into two cases; the tire itself generates the vibrating force and uneveness on the paved road cause a vibrating force.
Tire itself generates vibrating (more…)

Posted in Vibration And Noise
Tagged with Sounds, tires, Vibration

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