Pct only applies for patent protection in different countries, and specifies which countries to apply for;
You can submit a pct application and specify the country to be entered; At the same time, the priority of the existing invention or utility model is required;
As for the motor, according to your introduction, this support should be a necessary technical feature. If there are no other problems (such as novelty and creativity), the examiner will point out that your independent claim lacks the necessary technical features and does not conform to the provisions of the second paragraph of Article 20 of the Detailed Rules for the Implementation of the Patent Law, and will ask you to supplement this feature before authorization. You just need to make up.