Patent ID: 11939844
Assignee: NATIONAL OILWELL VARCO, L.P.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 13:
14. A method of limiting eccentric motion of a cylindrical rotor head of a progressing cavity machine and a driveshaft of an external device relative to a stator of the progressing cavity machine using an external bearing system, the method comprising:
securing a proximal portion of a shaft member of the external bearing system to the cylindrical rotor head of the progressing cavity machine;
securing a distal portion of the shaft member of the external bearing system of the rotor bearing system to the driveshaft of the external device;
securing a first end of a housing of the external bearing system to an end of the stator of the progressing cavity machine;
securing a second end of the housing to an end of a drive shaft housing of the external device; and
managing eccentric motion of the cylindrical rotor head with a bearing arranged between the shaft member and the housing of the external bearing system.