Patent ID: 11901708
Assignee: ABB SCHWEIZ AG
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. A compartment for an air insulated switchgear compartment, the compartment comprising:
a fan; and
a flap,
wherein the fan is mounted to a wall of the compartment,
wherein the flap is mounted to the wall of the compartment,
wherein the flap is positioned adjacent to the fan such that a rotational axis of the fan does not extend through the flap,
wherein the flap is configured to move from an open position to a closed position due to a pressure difference between the inside of the compartment and the outside of the compartment; and
wherein the fan and the flap are configured such that gas and/or air cannot pass from inside the compartment to outside the compartment or from outside the compartment to inside the compartment directly through the fan along the rotational axis of the fan.