Subsea compressor or pump with hermetically sealed electric motor and with magnetic coupling

This invention describes a pump or compressor designed to work deep underwater. Its electric motor is kept in a sealed compartment that has lower pressure than the surrounding water, which helps protect the motor from the high external pressure. The system specifically uses static seals and a magnetic coupling to connect the motor to the pump.

Why it matters: Since 2012, the demand for long-life, maintenance-free subsea equipment has grown significantly. Advances in high-performance materials for static seals and more efficient magnetic coupling designs could now make this hermetically sealed motor system more reliable for deep-sea operations.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedHermetic sealing, magnetic coupling, submersible motor

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