An elevator system having speed control apparatus providing first, second and third acceleration modes which provide progressively higher maximum speeds for an elevator car. Control circuitry associated with each landing to be served by the elevator car is successively enabled in response to the location and movement of the elevator car, with the number of floors from the last stop of the elevator car to the floor of the next stop being used to select one of the three acceleration modes. Protect...

A pumping system comprising a commutator motor and a directly driven pump, the motor being surrounded over substantially its entire periphery by a cooling jacket loaded with the liquid to be pumped and at least in part formed of the double wall of the motor housing, the motor further being completely sealed from the cooling jacket and being provided at its center with a ventilator mounted on the shaft for the purpose of air circulation. The improvements include mounting the commutator in the vic...

A transmission system for converting an oscillatory linear motion to intermittent rotational motion which includes a driving shaft adapted to be rotated selectively in either a clockwise or a counter-clockwise direction through a first friction type clutch. Affixed to this driving shaft and rotatable therewith is a torque applying member which is arranged to cooperate with a second friction type clutch secured to the output shaft. The arrangement is such that the output shaft is positively locke...

A cooling system for cooling steel slabs or the like comprises an elongated tank with parallel rollers for conveying the heated slab horizontally beneath the surface of a water bath. Water curtains from angularly directed upper and lower nozzles seal the entry opening in the end of the tank through which the slab is introduced into the tank and also supply cooling water to the tank. The rollers have axially spaced disk portions for supporting the slab in spaced relation above guide plates or apr...

A spraying system for use with vehicles which comprises at least two pumps in side-by-side relationship and being connected to a supply of material to be discharged, transmission means connecting said pumps operatively to the transfer case of the vehicle, the suction side of said pumps being each connected to a spray boom, there being fluid actuated means for controlling the movement of the spray boom vertically and horizontally.

A transmission system uses a carrier frequency subject to periodic variations according to a predetermined variation law. A local receiver frequency is also subject to periodic variations according to the same predetermined variation law. A beat frequency resulting from mixing the modulated carrier frequency and the local frequency is selected by a band filter having a center selected according to the length of a path from the transmitter to the receiver, and according to the phase difference be...

A railway system comprising a beam supported at spaced intervals along its length and having tracks extending longitudinally thereof at opposite sides, with cars adapted to travel on the tracks in paths along opposite sides of the beam. Eack track comprises a lower rail and an upper rail extending longitudinally of the beam at the respective side of the beam. Each car has lower wheels traveling on the head of the lower rail and an outrigger extending laterally from the car to the upper rail havi...

A carburetor system for an internal combustion engine wherein there is provided a distributor and a carburetor, there being a means operatively connecting the distributor and carburetor together. A means is provided for heating and acting on the fuel air mixture so that the fuel air mixture entering the internal combustion engine will be in the most advantageous form whereby increased mileage of a vehicle will be assured, as well as providing for other advantages, such as reduced polution and th...

The invention relates to emulsions, particularly low-calorie emulsions containing from 30-60 percent of fat, especially those of the water-in-oil type. The emulsions are stabilized by partial glycerides of both saturated and unsaturated fatty acids, particularly monoglycerides. The proportion of unsaturated fatty acid partial glycerides dominates the proportion of saturated fatty acid partial glycerides and the proportion of stearic acid partial glyceride dominates the remainder of saturated fat...

A flare system is produced which comprises a flare composition having at st two primary i.e. predominant color emitters which produce one apparent color and a filter which will eliminate the wavelength of at least one of the emitted colors, such that the burning flare appears to be an identical color of an ordinary state of the art flare to the naked eye whereas when viewed through a filter a completely different color will appear.