Patent ID: 11957431
Assignee: AIR FORCE-FIELD SYSTEMS LLC
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC A  F  G | IPC A  F  G

Claim 0:
1. A system for keeping a protected area substantially clean from contaminants dangerous to a living organism, the system comprising:
one or more primary mass expulsion devices proximate to a periphery of the protected area, each primary mass expulsion device configured to export mass away from the protected area at a force calculated to prevent encroachment of contaminants into the protected area, each primary mass expulsion device comprising a communication module; and
one or more subsystem devices each comprising a portable mass expulsion device configured to be worn on a user's body, each portable mass expulsion device comprising a mass expulsion means, a power source, a mass export port, a mass intake port, and a communication module;
wherein through operation of the communication modules of the one or more primary mass expulsion devices and the communication modules of the one or more subsystem devices, the one or more primary mass expulsion devices communicate with the one or more subsystem devices.