Abstract: The present invention relates to methods of drying comprising an intentionally controlled increased negative static pressure level and drying systems using the same.

Abstract: The present invention is for a process for providing fluid bed drying of material in an intentionally higher negative pressure atmosphere in the area of the material being dried. This intentional negative pressure of an additional approximate minus 1 to minus 10 inches of water column or more of static pressure is greater than that which is encountered and inherent with standard engineering design of fluid bed drying equipment, accessories and auxiliary equipment or what is commonly referred to as atmospheric fluid bed drying. This will significantly decrease the drying times of most if not all solvent based granulations.

Abstract: An electronic ignition module for an internal-combustion engine that is supplied with sparking energy from a rotating magnet includes a switchable semiconductor device through which current in the primary of an ignition coil is to be conducted. A portion of a circuit in the module senses a time when voltage across the semiconductor device approaches a maximum value, and produces a signal at that time that switches the semiconductor device out of conduction. A positive-feedback circuit is connected to increase the switching speed of the semiconductor device. The semiconductor device is protected against AC voltages of a polarity opposite to that of the conducting direction of the semiconductor device, and is caused to advance switching time in response to increased voltages associated with high engine speed. A temperature-sensitive resistor performs temperature compensation on the module in response to the temperature of a hot engine to permit restart of the engine if it is stopped briefly.