20240026738. ROTOR BEARING SYSTEM simplified abstract (NATIONAL OILWELL VARCO, L.P.)

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ROTOR BEARING SYSTEM

Organization Name

NATIONAL OILWELL VARCO, L.P.

Inventor(s)

Michael J. Guidry, Jr. of Hockley TX (US)

Daniel Alvarado of Spring TX (US)

ROTOR BEARING SYSTEM - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240026738 titled 'ROTOR BEARING SYSTEM

Simplified Explanation

The abstract describes a rotor bearing system that connects a progressing cavity machine to an external device. The system includes a housing with a central bore, a first bearing on the inner surface of the housing, and a shaft member with a second bearing on its outer surface. The second bearing is designed to limit eccentric motion of the driveshaft and rotor head of the progressing cavity machine relative to the stator during rotation.

  • The rotor bearing system connects a progressing cavity machine to an external device.
  • The system includes a housing with a central bore and a first bearing on its inner surface.
  • A shaft member with a second bearing is also included, which limits eccentric motion of the driveshaft and rotor head.
  • The second bearing contacts the first bearing to restrict motion during rotation.
  • The system ensures stable operation of the progressing cavity machine and the external device.

Potential Applications:

  • Oil and gas industry: The rotor bearing system can be used in progressing cavity pumps used for extracting oil and gas.
  • Industrial machinery: The system can be applied in various industrial machines that require stable and precise rotation.

Problems Solved:

  • Eccentric motion limitation: The system solves the problem of excessive eccentric motion between the rotor head and stator during rotation, ensuring smooth operation.
  • Misalignment prevention: By limiting eccentric motion, the system prevents misalignment between the progressing cavity machine and the external device.

Benefits:

  • Improved performance: The rotor bearing system enhances the overall performance of the progressing cavity machine by reducing eccentric motion and maintaining alignment.
  • Increased reliability: By preventing misalignment and reducing wear, the system increases the reliability and lifespan of the progressing cavity machine.
  • Versatility: The system can be adapted to various applications and industries, providing a versatile solution for connecting progressing cavity machines to external devices.


Original Abstract Submitted

a rotor bearing system configured to operatively couple a progressing cavity machine to an external device can comprise a housing including an inner surface defining a first bore extending through the housing along a central axis, a first bearing arranged on the inner surface, and a shaft member including an outer surface extending between a proximal portion and a distal portion of the shaft member and a second bearing arranged on the outer surface, the second bearing the second bearing configured to contact the first bearing to limit eccentric motion of the driveshaft of the external device and the rotor head of the progressing cavity machine relative to a stator of the progressing cavity machine during rotation of the rotor head, the shaft member, and the driveshaft.

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