Abstract: One embodiment of a general purpose wireless control system comprises a means for practically interfacing any type of sensor with a network capable radio, plus a means for practically interfacing any type of actuator with a network capable radio, plus a means for practically interfacing any type of controller and system monitor with a network capable radio, plus a practical economical, and secure means for establishing a radio connection, and including a wireless operating system that allows for the establishment of a secure control signal type of communication, all providing a means for solving at least one inherent problem encountered with the process or process control system.

Abstract: One embodiment of a boiler system mechanical combustion air unit comprising a cylindrical main housing (102), a pressure sensing means composed of sensor cap (110) and sensor hole (124), a variable speed fan (104) and motor (106) driven by a variable speed drive (108) for moving a gaseous fluid at a variable volumetric flow rate, a temperature sensing means (114) for measuring the temperature of the gaseous fluid, and a controller (116) comprising a pressure transducer and electronic control. Other embodiments are described.

Abstract: One embodiment of a boiler system stabilizing damper for boiler flue systems comprising a cylindrical main housing (418), a pressure sensing means composed of sensor cap (414) and sensor hole (416), a pressure loss generating means composed of a single blade damper (410), a shaft (406) and motor (404), and a controller (402) comprising a pressure transducer and electronic control. Other embodiments are described.