The fuel nozzle is a critical component of vehicle-mounted fuel dispensers, designed for both durability and functionality during mobile refueling operations. Unlike standard fuel station nozzles, those used in mobile systems often incorporate additional structural features to enhance safety, stability, and control during fueling. Below are the key structural elements of a typical vehicle-mounted fuel dispenser nozzle
Multi-Stage Flow Control Handle
The nozzle handle of most vehicle-mounted fuel dispensers is equipped with a limiter plate that allows it to lock into three different positions. These positions correspond to varying levels of valve opening, enabling operators to adjust the fuel flow rate based on their specific needs. This design provides flexibility during refueling, especially in situations where precise control is required.
Spring-Fitted Nozzle Tip
To improve stability during refueling, the exterior of the nozzle tip is equipped with a compression spring. This spring helps secure the nozzle in place when inserted into a container, preventing it from slipping or falling. It also protects the nozzle from contamination and reduces the risk of fuel spillage or environmental pollution.
Automatic Shut-Off Mechanism
The nozzle's automatic control rod is designed with three evenly distributed holes at its upper end, each containing a steel ball. When the handle is lifted, the inclined surface of the nozzle body pushes the steel balls outward to lock the control rod in place and prevent premature shut-off. During fueling, if the fuel level in the tank reaches the nozzle tip, pressure builds up and causes the self-sealing rod to lift. This movement shifts the steel balls inward, allowing the control rod to drop and automatically shut off the main valve, stopping fuel flow immediately.
These structural innovations ensure safe, clean, and efficient fueling for mobile operations. The combination of adjustable flow control, enhanced nozzle stability, and automatic shut-off mechanisms makes vehicle-mounted nozzles a reliable choice for modern refueling tasks.