Patent ID: 11939849
Assignee: EXTRACT COMPANIES, LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 0:
1. A mechanical shaft lock configured to stop a rotation of a shaft in an electric submersible pump, the mechanical shaft lock comprising:
a mechanical shaft lock shaft configured to be operably connected to a shaft on the electrical submersible pump;
at least one shear pin;
a mechanical shaft lock spring surrounding the mechanical lock shaft; and
at least one mechanical shaft lock shearing slot located on the mechanical shaft lock shaft;, wherein the at least one shear pin is configured to engage or disengage with the at least one mechanical shaft lock shearing slot such that when the at least one shear pin is disengaged from the mechanical lock shaft slot the mechanical shaft lock shaft can rotate and when the at least one shear pin is engaged with the mechanical shaft lock shaft slot the mechanical shaft lock shaft is prohibited from rotating; and, wherein the mechanical shaft lock comprises an upper end and a lower end and wherein the mechanical shaft lock is configured to be attached to a pump head on the upper end and a pump on the lower end.