2results about How to "Full tightness" patented technology

The invention relates to a pump (1) having an electric motor (2), which has a rotor (3) and a stator (5) surrounding the rotor, which stator is injection-molded with a plastic housing (4) and has an end-side opening (6), having a circuit board (7), which closes the end-side opening (6) in a sealing manner and, together with the stator (5), defines an interior space (9) through which a cooling fluid can flow, the rotor (3) is arranged in the interior space. The key point of the invention is that an elastic seal (10) is arranged between the plastic housing (4) and the printed circuit board (7), and at least two fastening elements (11) are arranged on the end face of the plastic housing (4), which fastening elements are connected to fastening contours on the printed circuit board (7).

The application belongs to the technical field of power supply, and provides a control power module, which comprises a shell, an inner shell, a power supply, a wire group and an adjusting device, a side wall of the shell is provided with a first wire hole, the inner shell is installed in the inside of the shell, the inner shell is provided with a second wire hole corresponding to the first wire hole, the power supply is installed in the inside of the inner shell, and the inside of the inner shell is filled with two-liquid mixed hardening glue, the wire group is sequentially inserted into the first wire hole and the second wire hole, and the wire group is connected with the power supply, and the adjusting device is installed on the outer wall of the shell and connected with the wire group. The application has the advantages of simple and compact structure, adjusting function, good insulation and sealing performance, and can adapt to various scenes.