Patent · US Active

Pump

US12025135B2 · kind B2 · utility

0Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2020
Grant dateJul 2, 2024
Priority date
Expiry dateOct 20, 2040

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04D29/086
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The pump includes a ring-shaped first inclined surface formed in a portion of a production pipe located above a motor stator and inclined in a direction toward a central axis of the production pipe with respect to a direction from an upper end to a lower end of the production pipe, and a ring-shaped second inclined surface that is formed outside a lower end portion of a pump stator constituting an inner element and comes into surface contact with the first inclined surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.