US Patent 7882861 Vacuum storage system

The vacuum storage system comprises: a vacuum pump, a vacuum bus, a control system to monitor and maintain a selected vacuum level in the vacuum bus. The control system provides system shutdown and alerts or warnings when the selected vacuum level cannot be maintained within the vacuum bus. The vacuum storage system further comprises one or more canister ports wherein each of the canister ports comprises a check valve to assure that no loss of vacuum occurs in occupied canister ports when one or more of the canister ports are unoccupied and open to ambient pressure, a manual valve, and a fitment for removably attaching a canister.