Abstract: An exemplary soap or sanitizing dispenser includes a housing, a permanent reservoir located within the housing, a pump in fluid communication with the permanent reservoir and a refill port. The refill port is configured to connect to a refill container. A refilling vent conduit extends upward from the permanent reservoir. The refill vent conduit extends above a maximum fill line of the refill unit and a vent valve is located proximate an upper end of the refill vent conduit.

Abstract: An exemplary touch-free dispenser includes a housing, a dispenser outlet, a processor, a memory, an IR emitter and an IR receiver. Wherein the IR emitter and the IR receiver are arranged in a vertical orientation. Wherein the IR emitter has an IR emitter alignment axis and wherein the IR receiver has an IR receiver alignment axis. The IR emitter alignment axis intersects with the IR receiver alignment axis, and wherein a detection zone includes the intersection of IR emitter alignment axis and the IR receiver alignment axis.

Abstract: Exemplary compact multi-chamber diaphragm pumps and dispensers for dispensing foam soap or sanitizer are disclosed herein. An exemplary pump for pumping soap or sanitizer and air separately to be mixed remote from the pump and dispensed as a foam includes a liquid pump diaphragm and a dual flapper valve, wherein a first of the dual flapper valves is a liquid inlet valve and a second of the dual flapper valves is a liquid outlet valve. The pump further includes two or more air pump diaphragms and a valve plate. The valve plate has a liquid inlet passage, a liquid outlet passage, a liquid outlet valve seat, two or more air inlet passages, two or more air inlet valve anchors and two or more air inlet valves secured to the valve plate. A pump manifold is also included, the pump manifold includes a liquid inlet valve seat.

Abstract: A fine particle sprayer including a nozzle for dispersing a liquid disinfectant into a spray plume of droplets and a means for directing pressurized air below the spray plume to increase droplet transfer efficiency, and above and around the spray plume to prevent errant droplets from drifting toward an operator. A sprayer system includes a sprayer, a housing, and a blower that may be removably attached to the sprayer for generating an air stream below the droplets to improve droplet transfer efficiency.

Abstract: Exemplary hand-held sprayer systems are shown and described herein. An exemplary hand-held sprayer system includes a container for holding fluid. The container has a neck. A closure connects to the neck. A fluid conduit extends from the closure to a dispensing wand. The dispensing wand is configured to be held in a hand and to be moved about while dispensing fluid. A data tag is secured to the container. The dispensing wand has a trigger, a data tag reader, a pump, a motor, a power source, a processor and memory. The hand-held sprayer also includes logic for causing the processor to determine whether a data read from the data tag meets a criteria for allowing the dispensing of fluid from the container. If the data read from the data tag meets the criteria, fluid is dispensed from the container when the trigger is activated.

Abstract: Counter-mount soap dispensers are disclosed herein. An exemplary counter-mount soap dispenser system includes a base housing. The base housing is configured to receive a supply of soap. The base housing includes a processor; memory; motor control circuitry; an object sensor input, and power circuitry located in the base housing. The system includes a pump pod located away from the base housing. The pump pod includes a pod housing, a pump and a motor located in the housing. The pump pod further includes a liquid inlet connector in fluid connection with a pump inlet and one or more fluid outlet connectors in fluid communication with a pump outlet. The pump pod further includes an electrical connector for electrically connecting the pump motor to the motor control circuitry. The pump pod is located at least a foot from the base housing.

Abstract: A foam dispenser includes a housing, a drive motor, and a foam pump. The foam pump includes a pump housing, and a molded multi-chamber diaphragm. The molded multi-chamber diaphragm includes a liquid pump diaphragm having a liquid pump stem and two or more air pump chambers each having an air pump stem. The length of the liquid pump stem is longer than the air pump stem. The foam pump further includes one or more outlet valves, a mixing chamber, an outlet for dispensing foam wherein the outlet is in fluid communication with the foam cartridge; and an actuator for sequentially actuating the liquid pump chamber and the two or more air pump chambers, wherein there is lost motion between the actuator and the liquid pump diaphragm.

Abstract: An exemplary foam dispenser includes a housing, a reservoir for holding a foamable liquid, and a pump located below the reservoir. The pump includes a liquid pump chamber, two or more air pump chamber and a manifold. The manifold includes a liquid outlet port, a liquid outlet valve and an air outlet port. An elongated liquid dispensing conduit in fluid communication with the liquid outlet port and an elongated air dispensing conduit in fluid communication with the air outlet port are also included. A mixing chamber having a mixing chamber liquid inlet, a mixing chamber air inlet, and a foam outlet is provided. The mixing chamber is located remotely from the sequentially operated multi-diaphragm pump. The elongated liquid dispensing conduit is in fluid communication with the mixing chamber liquid inlet and the elongated air dispensing conduit is in fluid communication with the mixing chamber air inlet.

Abstract: Exemplary sanitary soap refilling systems and methods are disclosed herein. An exemplary refill refilling system includes a housing, a pump located within the housing, and a bulk storage tank connector. The bulk storage tank connector having a liquid outlet and an air inlet. A liquid inlet conduit is in fluid communication with the pump the liquid outlet. A refill connector is included. The refill connector has a liquid inlet and an air outlet. The refill connector air outlet and the bulk storage tank connector air inlet are in fluid communication with one another. The refill liquid inlet is in fluid communication with the pump.

Abstract: A foam dispenser includes a housing, a drive motor, and a foam pump. The foam pump includes a pump housing, and a molded multi-chamber diaphragm. The molded multi-chamber diaphragm includes a liquid pump diaphragm having a liquid pump stem and two or more air pump chambers each having an air pump stem. The length of the liquid pump stem is longer than the air pump stem. The foam pump further includes one or more outlet valves, a mixing chamber, an outlet for dispensing foam wherein the outlet is in fluid communication with the foam cartridge; and an actuator for sequentially actuating the liquid pump chamber and the two or more air pump chambers, wherein there is lost motion between the actuator and the liquid pump diaphragm.

Abstract: A system for refilling a trigger sprayer bottle assembly includes the trigger sprayer bottle assembly including a trigger movable between a first trigger position and a second trigger position. A refillable bottle is coupled to the trigger such that material within the refillable bottle is dispensed from the refillable bottle when the trigger is moved from the first trigger position to the second trigger position. The trigger sprayer bottle assembly includes a first refill port through which material is added to the refillable bottle. The trigger sprayer bottle assembly is selectively coupled to a refilling assembly. The refilling assembly includes a refill reservoir and a second refill port through which material is removed from the refill reservoir. The second refill port is selectively coupled to the first refill port when the trigger sprayer bottle assembly is coupled to the refilling assembly.

Abstract: Exemplary embodiments of tabletop dispensers are disclosed herein. An exemplary tabletop dispenser for dispensing soap, sanitizer or lotion includes a bottle. The bottle has a neck that has a neck diameter. A pump assembly having a cylindrical housing is also included. The cylindrical has a cylindrical housing diameter that is less than the neck diameter. A controller board, a battery, a motor and a pump are at least partially located within the cylindrical housing. The pump assembly is configured to be located within the neck and the bottle. A sensor for sensing an object and an outlet nozzle are also included.

Abstract: Exemplary soap or sanitizer dispenser and methods of operating such dispensers are disclosed herein. An exemplary soap or sanitizer dispenser include a reservoir for holding soap or sanitizer, a pump, a dispensing spout and an object sensor. The pump is in fluid communication with the reservoir and with the dispensing spout. The dispensing spout is located remotely from the pump. The dispenser further includes a liquid present sensor. The liquid present sensor is proximate the dispensing spout. The dispenser further includes circuitry for causing the pump to pump liquid from the reservoir, circuitry for receiving a signal form the liquid level switch that liquid is present, circuitry for causing the pump to stop pumping liquid after liquid is detected at the liquid present sensor, circuitry for receiving a signal from the object sensor that an object has been detected and circuitry for causing the pump to dispense a dose of fluid.

Abstract: Exemplary through-the-wall touch-free dispensers are disclosed herein. An exemplary through-the-wall touch-free dispensers system includes an elongated wall mounting base. The elongated wall mounting base has a length and a width, the length is greater than the width and the wall mounting base is configured such that the length is in the vertical direction when the touch-free dispenser is mounted on a wall. Also included is a spout and a base housing. The spout extends further outward from the wall than the base housing and the base housing extends below the spout. An object sensor is located in the base housing below the spout. A liquid inlet conduit that is configured to extend through at least a portion of the wall is also included. A pump is in fluid communication with the liquid inlet. A reservoir for holding liquid is in fluid communication with the pump. In addition, the dispenser includes control circuitry for causing the touch-free dispenser to dispense fluid.

Abstract: Exemplary compact multi-chamber diaphragm pumps and dispensers for dispensing foam soap or sanitizer are disclosed herein. An exemplary pump for pumping soap or sanitizer and air separately to be mixed remote from the pump and dispensed as a foam includes a liquid pump diaphragm and a dual flapper valve, wherein a first of the dual flapper valves is a liquid inlet valve and a second of the dual flapper valves is a liquid outlet valve. The pump further includes two or more air pump diaphragms and a valve plate. The valve plate has a liquid inlet passage, a liquid outlet passage, a liquid outlet valve seat, two or more air inlet passages, two or more air inlet valve anchors and two or more air inlet valves secured to the valve plate. A pump manifold is also included, the pump manifold includes a liquid inlet valve seat.

Abstract: Exemplary hand-held sprayer systems are shown and described herein. An exemplary hand-held sprayer system includes a container for holding fluid. The container has a neck. A closure connects to the neck. A fluid conduit extends from the closure to a dispensing wand. The dispensing wand is configured to be held in a hand and to be moved about while dispensing fluid. A data tag is secured to the container. The dispensing wand has a trigger, a data tag reader, a pump, a motor, a power source, a processor and memory. The hand-held sprayer also includes logic for causing the processor to determine whether a data read from the data tag meets a criteria for allowing the dispensing of fluid from the container. If the data read from the data tag meets the criteria, fluid is dispensed from the container when the trigger is activated.

Abstract: A fluid dispenser includes a housing, a pump, an outlet nozzle, a reservoir, a liquid passage, an air passage, and a refill container. The pump and reservoir are attached to the housing, and both the outlet nozzle and the reservoir are in fluid communication with the pump. The reservoir has at least one engagement member, and the liquid passage and the air passage are located in the engagement member. The refill container has at least one sealing member, and the refill container is configured to be releasably attached to the reservoir such that the refill container is in fluid communication with the reservoir. When the refill container is attached to the reservoir, the engagement member engages the sealing member to cause the liquid passage and the air passage to be in fluid communication with the refill container.

Abstract: Exemplary soap and sanitize dispensers are disclosed herein. An exemplary soap or sanitizing dispenser includes a housing, a permanent reservoir located within the housing, a pump in fluid communication with the permanent reservoir and a refill port. The refill port is configured to connect to a refill container. A refilling vent conduit extends upward from the permanent reservoir. The refill vent conduit extends above a maximum fill line of the refill unit and a vent valve is located proximate an upper end of the refill vent conduit.

Abstract: Exemplary sanitary soap refilling systems and methods are disclosed herein. An exemplary refill refilling system includes a housing, a pump located within the housing, and a bulk storage tank connector. The bulk storage tank connector having a liquid outlet and an air inlet. A liquid inlet conduit is in fluid communication with the pump the liquid outlet. A refill connector is included. The refill connector has a liquid inlet and an air outlet. The refill connector air outlet and the bulk storage tank connector air inlet are in fluid communication with one another. The refill liquid inlet is in fluid communication with the pump.