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Automatic Control Means for Infinitely Variable Transmission
(U.S. Patent and Trademark Office, 1977-05-17)
This invention describes a system of control for a power source-transmission-load system such as might be used on an off-the-road vehicle, for example. The power source is an internal combustion engine having a known optimum ...
Intermittent Positive Pressure Breathing Device
(U.S. Patent and Trademark Office, 1977-11-08)
A ventilator implemented completely with fluidic devices provides independent control of inhalation time, exhalation time and breathing gas flow rate. The basic fluidic system comprises a low frequency oscillator which in ...