Abstract: A diaphragm valve for faucet valve assemblies is disclosed. The diaphragm has a thick valve closure portion received in an end recess in a valve plunger, the plunger being nonrotatable and reciprocably mounted in the valve body for movement relative to a valve seat against which the valve closure portion of the diaphragm is held in valve closed position. The valve diaphragm has a thin supporting section extending radially from the valve closure portion which rolls during the stroke of the valve plunger and the end of the valve plunger and the sidewall of the outlet chamber in the valve body provides a continuous surface against which the supporting section of the diaphragm is pressed without being stretched by the pressure of water in the outlet chamber in the valve open position of the diaphragm. In the valve closed position of the diaphragm, the inlet water pressure acts against the diaphragm to enhance the seal at the valve seat.

Abstract: Tempered water supply system for a domestic basin, such as a bathroom lavatory, tub or shower, or a kitchen sink, characterized by an adjustable temperature mixing valve for hot and cold water, a supply valve including a hydraulic motor for controlling flow of tempered water from the mixing valve to an outlet such as a spout, and a pair of manual control valves for operating the motor. The control valves, and a manual control for the mixing valve, may be disposed at any desired positions on or relative to the basin. One control valve gradually moves the supply valve toward open position and the other similarly moves it toward closed position, which may be effected by continuous actuation or repeated incremental actuations, whereby actuation of one or the other increases or decreases outlet flow.

Abstract: The valve is of the type that includes a single operating handle for controlling both the proportioning between hot and cold water flow and also the volume of flow. The valve comprises a body having hot and cold inlet passages and an outlet duct, a ball-shaped control member, a rigid stationary liner receiving the control member and having position limiting tabs associated therewith, and a resilient diaphragm disposed intermediate the liner and valve seat of the body. The liner has a pair of apertures for accommodating a corresponding pair of nipples on the diaphragm which are displaceable toward and away from the inlet passages for controlling the flow of fluid therefrom. The opening of the inlet passages into the seat is constructed to provide a uniform load about the passages for the diagram in the seat.

Abstract: A portable washer of lightweight and economical construction is characterized by a body portion having a handle for being held by a user thereof. The body is connectable with a supply of water, and a flexible conduit at an end of the body supports a brush for scrubbing articles such as dishes and the like, and enables the brush to be variously positioned to contact all surfaces of an article being cleaned, irrespective of the configuration of the article. A compartment within the body stores a supply of soap, and a valve on the body is operable by a user of the washer to control both a flow of water through the body and from the brush and introduction of soap into the water, whereby either a soapy washing solution or clear rinse water may be applied to the article being cleansed.

Abstract: Insulating foam producing and delivering apparatus includes foaming agent and resin supplies, means for delivering the foaming agent and resin and also air under pressure and a foam gun for generating the foam and mixing the foam with the resin. The foam gun includes a foaming chamber in which foaming agent and air are discharged in jets so as to impact against blades of a free spinning propeller which is turned by jets to create a mixing turbulence and thereby whips the foaming agent and air into the desired froth or foam. The foam is combined with the resin through an extended resin discharge nozzle located downstream of the foaming chamber so as to confine the resin mixing essentially to the output applicator or dispenser hose and thereby to minimize clogging due to hardened resin residue. Transparent air, foaming agent and resin supply lines enable constant monitoring of the ingredients and facilitate the maintenance of the desired foam density and other desired conditions of the foam.

Abstract: A double plug shuttle valve having a pair of valve plugs slideably mounted within a hollow body. A tubular actuator operatively connected to the valve plugs permits fluid communication between a central chamber and two end chambers to allow either balanced or unbalanced operation by proper selection of the dimensions of the elements of the valve.

Abstract: There is provided a post-mix drink dispenser of a novel design which permits higher carbonation and faster flow of materials than the existing dispensers. The dispenser includes a pressure equalizing nozzle for dispensing carbonated water, and a suitable syrup distributor. The syrup and carbonated water are permitted to mix when a first stem valve is moved to a prescribed position. The first stem valve is moved in conjunction with a flexible diaphragm. The diaphragm is maintained in a first position by a pressure differential of carbonated water pressure on opposite sides thereof such that no mixing or dispensing occurs. The diaphragm flexes to a second position when the carbonated water achieves different pressure states on opposite side of the diaphragm. The different pressure states are controlled by a second stem valve. The second stem valve controls the states of a pressure bleed path as a function of the position of a mechanical lever means which is operated by the user of the dispenser.

Abstract: A carburetor of the type admitting simultaneous control of both air and fuel supply. The air supply is regulated by means of a linearly movable aperture means, whereas the fuel supply is regulated by means of a linearly movable rod means provided with groove means having a transverse profile of monotonically varying area. A selectable portion of said groove means can be coupled into a fuel conduit, thus regulating its effective size and thereby the fuel supply by means of a linear movement of said rod means. Said rod means and said aperture means are coupled for mutually proportional linear movement, thus accomplishing the simultaneous control. By appropriate manufacturing of the groove means it is possible to obtain improved fuel-to-air ratio for settings between idling and full gas. The rod means also works as a plunger in a cylinder, thereby rendering an accelerator pump function.

Abstract: A valve assembly for mixing air and oxygen in a medical respirator over a wide range of volumetric flow rates, without sacrificing relative mixing accuracy at the lower flow rates. The assembly is divided into a plurality of mixing valve modules characterized respectively by progressively increasing volumetric flow capacities and progressively decreasing absolute mixing accuracies. The higher flow capacity modules are sequentially brought into operation as the overall valve flow increases and then interrupted when the flow decreases below a threshold level associated with each module. The valve assembly accordingly has a large range of flow capacities without degrading absolute mixing accuracy during low flow rate conditions by the effect of the higher capacity modules.

Abstract: A head for mixing and discharging at least two ingredients comprising distributor valves to mix the products, each valve having a stem associated with a lever pivoted to be controlled by a rod which cooperates with a cam ramp carried by a sliding member capable of being displaced within the head and the slide member being movable to stop distribution of the mixed product and recycle the ingredients into their separate storage reservoirs, the machine being particularly useful in connection with the making of polyurethane.

Abstract: A method of accurately mixing gases in desired proportions which comprises establishing the gases to be mixed at a uniform pressure; sequentially feeding the gases through a common restrictor for proportionate time periods to give the gas mix desired. The apparatus used includes a pressurizing gas reservoir unit which adjusts all gases to be mixed to have a common pressure; electronically actuated rapid response fluidic interface valves; a common restrictor through which the gases are passed to a receiving and mixing chamber; and timing means controlling the valves to allow gases to be sequentially passed therethrough for pre-set time periods.

Abstract: A liquid mixing valve of the single handle type for mixing hot and cold water which incorporates a pair of plungers which are positioned in variable depth cams formed in a slider plate whereby actuation of the plate via a handle displaces the respective plungers from their seated position to permit passage of fluid therethrough.

Abstract: A method of accurately mixing gases in desired proportions which comprises establishing the gases to be mixed at a uniform pressure; sequentially feeding the gases through a common restrictor for proportionate time periods to give the gas mix desired.

Abstract: A valve system for selective control of flow of fluids from plural sources to a common conduit. Plural valves, are aligned along the conduit at different distances from a system axis. A cam array serves to selectively force the valves against a diaphragm to close off ports leading to the conduit upon rotation about the system axis.The invention is particularly suitable for use with a pressurized ink reservoir connected to one port, an ink solvent to a second port, and a drying gas to a third port. The valve system then may be rotated sequentially for initiating an ink operation, cleansing with the ink solvent, and drying with the gas without necessitating a disassembly of the system.

Abstract: In a multizone air control system employing constant flows of hot and cold air, the hot or cold air is variably mixed with recirculated air to provide zone temperature control.

Abstract: A mixing valve for mixing airstreams of different characteristics in an air distributing system, and wherein the mixing valve is provided with first and second groups of louvers so arranged that one group of louvers is moved toward an open position as the other group of louvers is moved toward a closed position and vice versa, and means is responsive to movement of either group of louvers toward and into closed position for exerting an opposing force thereon for aiding in subsequently opening the same against the force of an airstream impinging thereon.

Abstract: A mixing valve for mixing airstreams in an air distributing system including a housing having first and second air inlet passages therein for receiving respective airstreams of different characteristics, valve means cooperating with the first and second inlet passages for adjustably selecting the proportion of air received through the respective passages so as to obtain a mixture of the two airstreams from the mixing valve, and an actuator cooperating with the valve means for effecting adjustment of the same to obtain a desired mixture of the different airstreams from the mixing valve. The actuator includes a thermal motor having an axially movable shaft extending therefrom, a heater cooperating with the thermal motor for applying heat thereto to effect movement of the motor shaft toward an extended axial position, and linkage operably interconnecting the thermal motor and the valve means and being movable in response to axial movement of the motor shaft for effecting adjustment of the valve means.

Abstract: Suction pressure is applied to a desirable location by a valve assembly having a flat gate element elastically deformed by a selectively controlled cam actuator to unblock a flow passage between inlet and manifold portions of the valve body. A sealing gasket is peripherally mounted on the manifold portion in enclosing relation to an area larger than the flow area of the inlet portion. A vent passage to the manifold portion is unblocked when the gate element is closed, to re-pressurize the manifold chamber.

Abstract: A system for detoxicating the waste gases of an internal combustion engine is described, in which system at least a part of the waste gases is fed, controlled by valve means, into the intake air of the engine, and wherein the said valve controlling waste gas introduction into the intake air is actuated in dependence on the position of the flap of a throttle valve in the air intake duct of the engine.

Abstract: A faucet of the type for controlling volume flow of fluids therethrough and for further controlling and varying the temperature of said fluids as determined by the operator of the faucet, for the purpose of effecting mixing of cold and hot water or cold and hot fluids whereby the resultant temperature may be selected from the temperature of the cold fluid supply to the temperature of the hot fluid supply or therebetween.

Abstract: The method of proportioning two liquids comprising periodically controlling the operation of a valving .[.means.]. .Iadd.arrangement .Iaddend.to control the amount of each liquid supplied to a mixing region during each period of valve operation to produce a supply of eluent having a precisely controlled time varying concentration of each liquid.