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Application US20200198797


Published 2020-06-25

Method And Process For Blockchain Implementation With Third Party Devices

A method for controlling an engine having a control module and smart nodes. The method includes maintaining a block chain ledger, which includes an information block from at least a preceding engine start, may be at the control module of the aircraft engine. The method also includes maintaining a hash of at least a digital certificate and data at one of the smart nodes; transmitting a message including the hash to the control module; receiving the message at the control module; determining a control hash based upon the information from at least a preceding engine start at the control module; module comparing the hash to the control hash at the control; and based upon the comparison, starting the engine and updating the block chain ledger as a function of the received message.



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3 Independent Claims

  • 1. A method for controlling an engine having a control module and smart nodes comprising: maintaining a block chain ledger at the control module of the aircraft engine, wherein the block chain comprises an information block from at least a preceding engine start; maintaining a hash of at least a digital certificate and data at one of the smart nodes; transmitting a message including the hash to the control module; receiving the message at the control module; at the control module determining a control hash based upon the information from at least a preceding engine start; at the control module comparing the hash to the control hash; based upon the comparison, starting the engine and updating the block chain ledger as a function of the received message.

  • 15. A method of authentication of a smart node in a gas turbine engine, comprising: determining the required operational characteristics for the smart node; generating a hash at a control module reflective of required operational characteristics for the smart node; storing the hash in a block chain; receiving a second hash at the control module from the smart node; comparing the hash in the block chain with the second hash; authenticating the operation of the smart node based upon the comparison; and, updating the block chain with the second hash.

  • 20. A method for authenticating a component on a gas turbine prior to operation, comprising: maintaining a block chain ledger at a control module of the gas turbine, wherein the block chain comprises successive information blocks; wherein the information blocks include information reflective of at least the component; receiving a message at the control module from the component; at the control module determining a control hash based upon the information reflective of at least the component; determining a hash based at least upon the received message and at the control module comparing the hash to the control hash; based upon the comparison, authenticating the component, updating the block chain ledger as a function of the receive message; and, operating the gas turbine.