The patent number you provided is a utility model patent, which was applied for by Lin Tianlin of Xiamen. It protects a "voltage stabilizer and fuel saver". The summary is as follows:
The utility model discloses a voltage stabilizing fuel saver, which includes a casing. The casing is provided with a positive plug and a negative contact piece that are respectively matched with the vehicle socket. The casing is also provided with a voltage stabilizing circuit, so The two ends of the voltage stabilizing circuit are connected to the positive plug and the negative contact piece respectively. This structure can stabilize the circuit voltage, improve the working environment of the vehicle-mounted equipment, and extend the service life of the vehicle-mounted equipment; it improves the ignition efficiency when the car is started, allows the fuel to be fully burned, and has a certain fuel-saving effect.
The patent has been authorized, but you need to judge whether the product is legal. You need to see whether its product uses the technical solution in the patent. In addition, even if its product has applied for a patent, This does not mean that the product will not infringe the patent rights of others, especially if it is a utility model application and the rights are not stable. If necessary, you can find a patent agency to search and analyze the patent.