Two-stage oil seal rotary vane pump

Abstract

1. Name of the product in this design: Two-stage oil-sealed rotary vane pump. 2. Purpose of this design: For pumping gas. 3. The key design features of this product are the combination of shape and pattern. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Since the bottom surface of the product designed in this design patent application is a part that is not easily seen or cannot be seen during use, the bottom view is omitted.

Images