System and method for locating sparks in electrostatic precipitators

Control device and control method for an electrostatic filter with a configurable number of parallel and serial filter zones

Discharge device and air purification device

Ionization detector for electrically enhanced air filtration systems

Method and apparatus for the acceleration of an electromagnetic rapper

Pulse generating system for electrostatic precipitator

Dual-filter electrically enhanced air-filtration apparatus and method

Air cleaner including constant current power supply

Method of electrostatic acceleration of a fluid

Air treatment apparatus having a voltage control device responsive to current sensing

System and method for applying partial discharge analysis for electrostatic precipitator

Exhaust emission control device

Method of and apparatus for electrostatic fluid acceleration control of a fluid flow

Electrostatic precipitator

Polarity reversing circuit for electrostatic precipitator systems

Apparatus and method for controlling air cleaning

ESP performance optimization control