Distributor Information

What is Distributor

A distributor is a crucial component in various systems, especially in the field of engineering and mechanics. It is a device that divides or distributes a fluid, gas, or electrical current into multiple paths or outlets. In the context of fluid systems, such as in an engine's fuel or lubrication system, a distributor ensures that the fluid is evenly and precisely directed to different parts or cylinders. In electrical systems, it is used to distribute power to multiple circuits or components. Overall, it plays a vital role in optimizing the performance and functionality of the overall system by ensuring proper distribution of the relevant medium.

History of Distributor

The concept of distribution has been around for a long time, evolving with the development of different industries. In the early days of the automotive industry, mechanical distributors were used to distribute high-voltage electricity from the ignition coil to the spark plugs in the correct firing order. These early distributors were relatively simple in design but laid the foundation for further advancements. As technology progressed, more sophisticated and efficient distributors were developed, incorporating features like electronic controls and improved distribution accuracy. In industrial applications, the history of fluid distributors also dates back many years, with the design evolving to meet the increasing demands for precise fluid flow control in complex manufacturing processes and machinery.

Purpose of Distributor

• Fluid and Gas Systems: In fluid or gas distribution systems, the distributor's purpose is to evenly distribute the medium to various points or components. For example, in a heating, ventilation, and air conditioning (HVAC) system, a distributor ensures that the conditioned air is distributed evenly throughout a building, providing a comfortable environment in each room. In a hydraulic system, it directs the pressurized fluid to different actuators or cylinders, enabling the precise movement and operation of machinery.


• Electrical Systems: In electrical circuits, a distributor is used to divide the incoming power supply into multiple branches or circuits. This allows for the simultaneous operation of different electrical components or subsystems, such as lighting fixtures, appliances, and motors, without overloading the main power source. It also helps in protecting the circuits by providing a means of isolating and controlling the power flow to each individual component.


• Engine Ignition Systems: In internal combustion engines, the distributor is responsible for distributing the high-voltage electrical pulses from the ignition coil to the spark plugs in the correct sequence and at the precise timing. This ensures that the fuel-air mixture in each cylinder is ignited at the right moment, leading to efficient combustion and engine operation.

Principle of Distributor

Fluid and Gas Distributors: These operate based on principles of fluid dynamics. The distributor contains channels, ports, or manifolds that are designed to split the incoming flow into multiple smaller flows. The design may incorporate features such as flow restrictors, valves, or nozzles to control the rate and direction of the distributed flow. By carefully engineering the internal geometry of the distributor, the flow can be evenly divided and directed to the desired destinations. For example, in a water distribution system, a manifold with multiple outlet ports can be used to supply water to different areas or appliances, and the size and shape of the ports can be adjusted to control the water flow rate to each outlet.
Electrical Distributors: In electrical systems, a distributor typically uses a combination of conductors, terminals, and switches. The incoming electrical current is connected to a central bus or conductor, and from there, it is routed through various branches or circuits using switches or fuses. The design ensures that the current is divided according to the electrical requirements of each connected component. In some cases, electrical distributors may also incorporate transformers or voltage regulators to adjust the voltage level for different circuits. For example, in a power distribution panel in a building, the main power supply is connected to the panel, and from there, individual circuits are wired to different rooms or areas, with circuit breakers or fuses protecting each circuit from overloading.
Engine Ignition Distributors: The principle involves the rotation of a distributor shaft that is mechanically or electronically synchronized with the engine's crankshaft. As the shaft rotates, it activates a set of contacts or switches (in the case of mechanical distributors) or uses electronic sensors and control modules (in modern electronic distributors) to send high-voltage pulses to the spark plugs in the correct firing order. The timing of the pulse distribution is critical and is adjusted based on factors such as engine speed, load, and temperature to optimize combustion efficiency and engine performance.