Abstract: A fuel injection nozzle for internal combustion engines having a valve needle opening outward and connected with a piston which defines a damping chamber filled with fuel. Upon the opening stroke of the valve needle, the damping chamber communicates with the flow path of the fuel only via a throttling conduit. The damping chamber is formed in a cap, which is mounted upon the piston and centers itself on the piston. The cap is supported on the nozzle housing toward the side of the injection opening via a pre-stressed support spring, and the cap and the support spring are confined between stops attached to the housing. Therefore, the damping can be limited in a manner dependent on pressure or speed.

Abstract: A metal spray tip for a fluid spray nozzle and a method of making such tip includes adhering a colored coating so as to cover at least a portion of the exterior surface of the spray tip adjacent the spray orifice in the tip. In one embodiment, the entire tip blank is first coated and then the orifice is formed in the coated blank to free the orifice of the coating and expose the metal of the tip at the orifice. In another embodiment, the orifice is first formed in a face of the tip and the tip face containing the orifice is then printed with the coating. In the latter embodiment, preferably only a portion of the exterior surface of the tip is coated to leave the metal exposed on some portions of the exterior surface. In still another embodiment of tip, a substantially flat exterior face of the tip which does not contain the orifice may be coated.

Abstract: A spray gun includes a material inlet and an air inlet. A reciprocating hydraulic motor is connected to and drives a reciprocating hydraulic pump which pumps material from a material reservoir to the pump outlet. A first air piloted hydraulic valve is connected to the pump outlet and the first valve is connected to and is operable to transmit pumped material to either the material inlet of the gun or to the material reservoir. A second motor is connected to and drives a second hydraulic pump which is connected to and supplies hydraulic fluid from a hydraulic reservoir to the reciprocating hydraulic motor. A second air-piloted hydraulic valve is connected between the second hydraulic pump and reciprocating hydraulic motor and is operable to transmit pumped hydraulic fluid to either the reciprocating hydraulic motor or to the hydraulic fluid reservoir. An air control valve is connected to an air supply and is connected to the first and second valves.

Abstract: A gear driven oscillating sprinkler head includes a shifting gear train for transmitting drive from a drive motor to the oscillating sprinkler head with a shifting mechanism for shifting alternate driving pinions into driving engagement with an internal ring gear with the pressure angle of the engaging teeth being different for the different drive pinions to thereby balance the shifting force applied by the shifting mechanism.

Abstract: Disclosed is an improved fluid spray-forming device or showerhead which is energy efficient and produces a high fluid velocity and a forceful spray. The device has a relatively large, substantially cylindrical chamber between a restricted input flow path and a spray-forming disk. This combination changes the fluid flow properties to achieve the improved results. A pulsating spray can be obtained by proper selection of the ratios of the input, chamber and output diameters, thus making a mechanical fluid interrupter unnecessary.

Abstract: A liquid spray apparatus comprises a pneumatic drive and automatic speed regulating device. To this end, a vane wheel which can be acted upon by an air stream is mounted axially displaceably on a shaft. The vane wheel is in contact with regulating elements which are moved radially outwardly at increasing speed by the influence of centrifugal forces. In doing so the regulating elements act upon the vane wheel in a manner such that it is displaced at least partially out of the range of the air stream.

Abstract: A water cooling box for providing laminar cooling water to metal sheets. A slit nozzle, extending across the width of the sheets to be cooled is provided with a means for effecting a water pressure drop. The slit nozzle, in one embodiment, has parallel walls and is provided with a cylindrical rod spaced slightly above the nozzle entrance. In another embodiment, the walls of the slit nozzle progressively diverge from the entrance to the nozzle exit. In yet a third embodiment, the slit nozzle, at the entrance, has a length of parallel walls and then, at a point below the entrance, has progressively diverging walls. The structural details of the water box are also described.

Abstract: This guniting nozzle end piece for projecting a refractory powder through a flame, the nozzle being connected to a combustive gas, fuel gas and refractory powder feed, one of the gases being the gas carrying the powder in the end-piece, is characterized in that, generally cylindrical in shape, it comprises a plurality of individual tubes (9) disposed in at least one ring (9a,9b) of tubes coaxial with the end-piece (1), opening on the one side at the level of the nose (11) of the end-piece and connected on the other side to the refractory powder and carrier gas feed (20), the plurality of tubes (9) being disposed between two coaxial substantially cylindrical walls respectively internal (12) and external (13), the gaps (24) between the tubes and between the tubes and the cylindrical walls forming a passage space opening on the one side at the level of the nose (11) of the end-piece and further connected to the non carrier gas feed (18).

Abstract: The present invention is a pump apparatus which is adapted to move liquids which contain debris. The apparatus is adapted to operate by alternating suction and pressure, whereby any debris which becomes lodged in any orifices or conduits in the system is effectively dislodged as a consequence of the normal operation of the system.The push-pull material transport system of the present invention includes a conduit to transport fluid from a first location to another location. The invention includes a peristaltic pump which has two heads. The first head pumps fluid from the first location to the second location, and the second head intermittently and periodically pumps fluid in the reverse direction in order to keep the conduit clear of debris.

Abstract: A spreader has a hopper the lower region of which comprises a wall portion which coincides in part with a sphere and contains outlet ports for material to pass at an inclined angle from the hopper to a rotating distribution member. The free aperture of each port is adjustable by a dosing slide. These dosing slides are controlled by an adjusting mechanism capable of displacing either one of the dosing slides without displacing the other.

Abstract: A binary atomizing nozzle includes a housing having a liquid insert and a gas insert. The liquid insert has an interior chamber and a liquid inlet and a liquid discharge communicate with the chamber. A spin insert is positioned in the chamber so that liquid flowing from the chamber is given a rotational spin and exits the liquid discharge as a hollow cone. The spin insert is threadedly engaged with the wall of the chamber so that the liquid discharge constantly wets the wall portion of the flaring discharge. The liquid insert has an outer portion spaced from the gas insert and provides an axially extending annular chamber having a gas discharge. The liquid discharge is axially spaced a preselected distance from the gas discharge so that gas exiting the gas discharge flows along the outer portion of the liquid insert according to the Coanda effect and thereby atomizes the liquid exiting the liquid discharge.

Abstract: A device for dispensing air-treating vapors having a frame, two relatively movable support members mounted in the frame, having facing, substantially parallel support surfaces and being relatively movable within the frame to adjust the spacing between the surfaces, and a flexible, generally flat dispensing pouch sandwiched between the support surfaces and having an inner storage container of flowable air-treating composition which is burstable by sandwiching pressure exerted through the support surfaces to release the composition for dispensing through apertures in the support members. The support surfaces squeeze and support the dispensing pouch to hold the released composition in contact with a good part of the inner surface of the dispensing pouch.

Abstract: A self-propelled irrigation carriage (1) comprised by an irrigation system and provided with a spraying boom or a high-volume discharge sprayer is movable back and forth on drive wheels (2) between the ends of the area to be irrigated, along a pipe-line (4) laid on the ground. The water is transferred, via a unit (5) connected to said carriage (1) and movable together therewith, to a fluid motor (6) mounted on the carriage for driving the wheels (2) and to one or more spray nozzles on the spraying boom or discharge sprayer. The pipe-line (4) is provided with equidistantly spaced apart clamps (8), each of which accommodates a non-return valve (9) extending through the wall of the pipe-line. The transfer unit (5) has two chains which are passed around sprocket wheels and from which cups (12) are suspended at intervals corresponding to the interspaces between the clamps (8).

Abstract: A unitized fuel injection system having a common fuel rail, a fuel pressure regulator permanently attached to one end of the fuel rail and a plurality of fuel injector valves having progressive die formed housings permanently attached to the fuel rail. Each fuel injector valve embodies a light weight movable valve member electromechanically actuated by a solenoid coil assembly, a stationary valve member having a conical valve seat and a metering plate having a metering orifice. The movable valve member has an armature and a valve stem having a spherical end surface mating with the conical valve seat. The displacement of the movable valve member is sufficient to allow the fuel flow to be controlled by the size of the metering orifice and virtually independent of the position of the valve stem. Design of the fuel injector valve is directed to minimize machining operations of the valve's component parts to reduce costs.

Abstract: A decorative housing for a fire extinguisher. A five sided box forms a cavity to receive and hold a fire extinguisher. A door or decorative cover is slidably mounted to the box adjacent the cavity and is movable from an up position closing the cavity and concealing the fire extinguisher to a down position revealing the fire extinguisher. A heat and smoke detector mounted to a clock frame above the box is connected to a source of electrical energy and in turn to a solenoid. The plunger of the solenoid normally extends into the door locking the door in the closed position. Activation of the detector withdraws the plunger allowing the door to slide downwardly. An audio alarm and light within the box cavity activate simultaneously upon the withdrawal of the plunger. A cord is connected to the plunger to allow manual withdrawal of the plunger and opening of the door.

Abstract: There are disclosed several embodiments of a fuel injector for injecting fuel into the combustion chamber of an internal combustion engine in response to the pressure of the fuel. In each embodiment, a nozzle of the injector which extends into the combustion chamber is opened and closed by means of a valve member which is yieldably urged into tight engagement with a seat in the lower end of the nozzle and which is rotated in response to increasing and decreasing fuel pressure, respectively, to move the outlets in the valve member and nozzle into and out of register.

Abstract: An ablution faucet includes a wall-mounted control valve and a flexible conduit having a hand-held control unit at the end thereof. The hand-held control unit includes a body portion from which a nozzle projects, and a lever for controlling the flow of water through the nozzle. The body portion includes a piston which is always urged into engagement with a valve seat by water pressure and a piston-actuating member engageable by the lever. Various alternative embodiments of the piston and piston-actuating member are disclosed. The wall-mounted control valve also includes a piston which is biased to a valve-closed position by water pressure, as well as a vacuum breaker. An alternative embodiment of the invention employs a cable disposed within the hose and connected in valve-actuating relationship between the lever and the wall-mounted control valve.

Abstract: As apparatus for and method of pneumatically reciprocating spraying means linearly between two end points with a minimum or negligible amount of lag or return time at either end point which includes an oscillating piston inside a cylinder member, said piston having an outwardly extending arm responsive to the movement of said piston to which a spraying means is rigidly attached. An air logic control circuitry controls and directs regulated pressurized air to and from opposite ends of the cylinder, each end receiving and exhausting different pressures of air at different times and in different amounts so as to cause the piston to oscillate in response to the differing air pressures at its opposite sides. Lag or return time is minimized by sensing when the piston is approaching an end point and introducing higher pressure air in front of the piston while at the same time dumping or exhausting pressurized air behind the piston to cause its immediate return.

Abstract: A rotary sprinkler of the impact type having a manually settable mechanism for both selecting and displaying an overall pattern configuration of sprinkler stream coverage. The manually settable mechanism comprises two concentric abutting surfaces, one being rotatable and the other being fixed relative to the sprinkler stem. The surfaces in combination indicate the pattern configuration. The rotatable surface includes a cam which engages a first or a second cam follower on a water stream deflector assembly to provide a first or a second patterned configuration of sprinkler stream coverage.

Abstract: An irrigating apparatus whose hose drum is propelled by water power to take up the hose. A hose guide is movable back and forth across the drum to deposit the hose in layers thereon and the hose guide is coupled to a threaded spindle on which a nut rides. A link connects this nut to a valve which throttles the flow to the water-power motor for the drum to progressively decrease the angular velocity of the drum as the hose is taken up.