Now showing items 11-13 of 13
Modular tray accumulator system
(United States. Patent and Trademark Office, 1991-09-10)
A modular tray accumulator system includes a number of horizontal and vertical stacked conveyors arranged in a portable module. Each conveyor operates independently of the others. The system may be mechanically raised or ...
Position sensor elimination technique for the switched reluctance motor drive
(United States. Patent and Trademark Office, 1991-12-10)
Rotor position information for a switched reluctance (SR) motor drive is obtained indirectly in response to the motor phase inductance. An oscillator generates a signal having a time period that is a function of the ...
Pillaring of layered compounds
(United States. Patent and Trademark Office, 1991-05-21)
A process is disclosed for pillaring layered materials which do not swell appreciably in water. The process comprises first intercalating an amine or other neutral molecule such as an amide or dimethyl sulfoxide between ...