Abstract: A power transfer pump includes a rotary pump disposed within connected body sections comprising a top body, a main body with two ports and a cylindrical chamber to house a rotary assembly, a supporting body fitted with a connecting head, and a mounting body. The mounting body has a flexible ring, a bolt and forms a drive motor chamber with the supporting body to receive and clamp a power source that engages with the rotary assembly to activate the pump. The power transfer pump integrates into an oil removal station whereby by means of the rotary pump assembly, an oil sucking and discharging effect is created.

Abstract: The present invention relates to an automatic fluid changing device with which the fluid changing and cleaning work for the fluid line of the engine can be readily performed. An exchanging circuit is disposed between the fluid line of the engine and that is provided with a metal dual power cylinder. The power cylinder is connected with a flow meter and regulating valve such that the cleaning and/or fluid changing job can be readily conducted. The automatic fluid changing device features a compact and durable configuration.