An apparatus for controlling the charge rate and voltage of storage batteries of a solar power generating system using a single voltage regulator module to monitor and control the state of charge of any number of cells of a battery and a number of solar modules.

A battery voltage regulating system for an automotive vehicle, wherein a field current flowing through a field coil of an alternator is periodically cut off irrespectively of whether a battery voltage is higher or lower than a reference voltage, and a conduction ratio of the field current is controlled in accordance with a difference between the battery voltage and the reference voltage. The reference voltage is changed in response to an increase or decrease of the conduction ratio, so that a ba...

A vehicle wheel-tire assembly wherein the tire has a low inflation pressure (large tire footprint) in a low vehicle speed range, and a large inflation pressure (small tire footprint) in a high vehicle speed range. The tire is partitioned into a series of circumferential compartments, with each compartment being provided with a valve mechanism for introducing air into the compartment and/or withdrawing air from the compartment as needed to maintain desired inflation pressures in the different veh...

A pressure regulator for liquid pumping systems, and particularly fuel supply systems for use in vehicles, is disclosed. The regulator is designed with an inlet from the fuel pump, an outlet to the engine fuel inlet, and a drain outlet for draining fuel, in excess of that required by the engine, back to the fuel tank. During engine operation, fuel flow is continuous from the tank to the fuel pump, and from the fuel pump to the regulator. In most cases, fuel is continuously flowing from the regul...

A line deflection voltage regulator develops a regulated scan supply voltage. A line deflection circuit is coupled to the voltage regulator for generating line scanning current in a line deflection winding. The amplitude of the scanning current is dependent on the magnitude of the regulated scan supply voltage. A high voltage regulator develops a second regulated voltage. A high voltage generator is coupled to the high voltage regulator for generating an ultor output voltage at an ultor terminal...

A temperature control system for use in an electrical heating device wherein the heating element also functions as the temperature sensing element. The resistance of the heating element varies linearly with temperature and the changes in resistance, detected as voltage variations across a wheatstone bridge, regulate the heating. The system is operable in either the A.C. or D.C. mode and includes a temperature measuring circuit, a timing circuit and a control circuit.

This lighting device for automotive vehicle, adjustable by means of a control system, comprises a filament bulb located at a first focus of an elliptic mirror of revolution four of which the second focus is coincident with the focus of one fraction of a parabolic mirror of revolution disposed on one side only of a plane containing the axis of revolution of said parabolic mirror, which forms substantially a half right angle with the axis of the elliptic mirror, at least one masking element being ...

Regulation of pH value of solutions along a titration curve. The pH value is measured to obtain a linear signal which is conveyed in inverted form in one path and non-inverted form in another path to a means for selecting its output from the path having the maximum value. This output is stretched, clipped and used to drive a pH regulator in a hyperbolic manner.

Plant growth regulant compositions and methods of stimulating the growth of herbaceous and woody stemmed plants, particularly peppers, tomatoes, alfalfa, soybeans and Douglas Firs, using N,N-di-n-propyl-4-trifluoromethyl-2,6-dinitroaniline in a relatively wide range of concentrations alone or in combination with 2,4-dichlorophenoxyacetic acid, 2-methyl-4-chlorophenoxyacetic acid, 2(2,4,5-trichlorophenoxy)propionic acid, sodium 2,4-dichlorophenoxyethyl sulfate and p-chlorophenoxyacetic acid.

The use of certain phosphonomethylimino acetic acid compounds for regulating the natural growth or development of plants, particularly turfgrasses.