How does DENSO 228000 - 0970 work? - Blog

As a supplier of the DENSO 228000 - 0970, I'm often asked about how this remarkable product works. In this blog post, I'll take you through the inner workings of the DENSO 228000 - 0970, exploring its components, operation principles, and applications.

Let's start by understanding what the DENSO 228000 - 0970 is. It's an essential part of the automotive and industrial systems. This component belongs to a category of high - performance starters which play a pivotal role in setting the engines in motion.

Components of the DENSO 228000 - 0970

The DENSO 228000 - 0970 is composed of several key components, each with its own unique function.

DSN2091 denso 16235 63012

Armature

The armature is the rotating part of the starter motor. It consists of a shaft, a core, and windings. When an electric current is applied to the armature windings, a magnetic field is generated. According to the principles of electromagnetism, this magnetic field interacts with the stationary magnetic field (created by the field coils), resulting in a torque that causes the armature to rotate.

Field Coils

The field coils are stationary and are designed to create a strong magnetic field within the starter motor. They are wound around iron cores and are connected to the electrical circuit. The magnetic field produced by the field coils is crucial as it provides the necessary force to interact with the armature's magnetic field, enabling the rotation of the armature.

Starter Solenoid

The solenoid is an electromechanical switch. When you turn the ignition key, an electrical current is sent to the solenoid. This current energizes a coil inside the solenoid, creating a magnetic field. The magnetic field then pulls a plunger, which in turn closes a set of contacts. Closing these contacts allows a large amount of current to flow from the battery to the starter motor, providing the power needed to start the engine.

Drive Gear

The drive gear is attached to the end of the armature shaft. When the starter motor starts to rotate, the drive gear engages with the flywheel teeth of the engine. This engagement transfers the rotational force from the starter motor to the engine, causing the engine's crankshaft to turn and start the combustion process. Once the engine starts, the drive gear disengages to prevent damage to the starter motor from the high - speed rotation of the engine.

How the DENSO 228000 - 0970 Operates

The operation of the DENSO 228000 - 0970 can be broken down into a step - by - step process.

Initial Electrical Signal
When the ignition switch is turned to the "start" position, a low - current electrical signal is sent to the starter solenoid. This signal comes from the ignition system and is often controlled by the vehicle's ECU (Engine Control Unit).
Solenoid Activation
The low - current signal energizes the solenoid coil. As mentioned earlier, the magnetic field created by the energized coil pulls the plunger. The movement of the plunger has two main effects. First, it closes the high - current contacts, allowing a large current (typically from the vehicle's battery) to flow to the starter motor. Second, it extends the drive gear forward to engage with the engine's flywheel.
Motor Rotation
With the high - current circuit closed, the electrical energy from the battery is converted into mechanical energy in the starter motor. The current flowing through the armature and field coils creates magnetic fields that interact, generating a torque that causes the armature to rotate. The rotation speed of the armature can be quite high, usually in the range of several thousand revolutions per minute.
Engine Cranking
As the armature rotates, the drive gear, which is now engaged with the flywheel, transfers the rotational energy to the engine. This causes the engine's crankshaft to turn, initiating the intake, compression, ignition, and exhaust cycles of the internal combustion engine. Once the engine starts to run on its own power, the ECU cuts off the electrical supply to the starter solenoid.
Disengagement
When the electrical supply to the solenoid is cut off, the magnetic field in the solenoid collapses. The plunger returns to its original position, opening the high - current contacts and disengaging the drive gear from the flywheel. This ensures that the starter motor is not damaged by the high - speed rotation of the engine.

Applications of the DENSO 228000 - 0970

The DENSO 228000 - 0970 has a wide range of applications. It is commonly used in various vehicles, including cars, trucks, and some industrial equipment.

In the automotive industry, it is an ideal choice for many engine configurations. It provides reliable starting performance, even in harsh environmental conditions such as extreme cold or high - altitude areas.

For industrial equipment, the robust design of the DENSO 228000 - 0970 makes it suitable for generators, construction machinery, and agricultural equipment. Its ability to deliver high torque in a relatively compact size is highly valued in these applications.

Related Reference Numbers and Applications

If you're interested in other DENSO starters and their application scope, here are some useful links:

Contact for Purchase and Negotiation

If you're in the market for the DENSO 228000 - 0970 or other related products, I'd be more than happy to discuss your requirements. As a reliable supplier, we offer high - quality products at competitive prices. You can reach out to us to start a negotiation that meets your specific needs.

References

Automotive Starter Motor Handbook
DENSO Technical Manuals