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 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 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 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.

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 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 dispenser includes a housing, an inverted container disposed in the housing, a outlet nozzle, a pump, a first check valve, and a second check valve. The pump is disposed between the container and the outlet nozzle. The pump includes a pump inlet a pump outlet, and a pump chamber. The pump chamber is movable between an expanded position and a compressed position. The first check valve is disposed between the pump and the outlet nozzle, and the first check valve has a first cracking pressure. The second check valve is disposed between the first check valve and the outlet nozzle, and the second check valve has a second cracking pressure. The second cracking pressure of the second check valve is greater than the first cracking pressure of the first check valve.

Abstract: Exemplary soap, sanitizer and lotion dispensers are disclosed herein. An exemplary dispenser includes a housing; a receptacle for receiving a container; a container of fluid comprising soap, sanitizer or lotion; a pump in fluid communication with the container; a power source; a pump coupled to a motor and pulse width modulation circuitry in circuit communication with the power source and the motor. The pulse width modulation circuitry is initially set to cause a selected dose of fluid to be dispensed at a base speed. A sensor for detecting a parameter indicative of an actual speed of a dispense of the fluid is also included. When the actual speed of the dispense of fluid is less than the base speed or greater than the base speed, the pulse width modulation circuitry adjusts the pulse width to cause the speed of a following dispense of fluid to be closer to the base speed.

Abstract: Exemplary embodiments of pumps having positive pressure venting and refill units are disclosed herein. An exemplary pump includes a liquid pump chamber, a liquid piston, a first air pump chamber, and a first air piston and a mixing area in fluid communication with the liquid pump chamber and the first air pump chamber. The exemplary pump further includes a second air pump chamber and a second air pump piston. The second air pump chamber is configured for pumping air into a container and the first air piston and the second air piston move in unison.

Abstract: Exemplary embodiments of cleaning buckets are shown and described herein. An exemplary cleaning bucket includes a housing that has a cleaning solution reservoir, a dirty water reservoir and an insert for inserting into the housing. The housing has a first surface. The first surface covers the cleaning solution reservoir. The first surface is configured to allow water to flow into the dirty water reservoir through one or more openings allowing fluid to flow into the dirty water reservoir. The insert further includes a cleaning solution dispensing member located on the first surface, a pump for drawing cleaning solution out of the cleaning solution reservoir; and an activation device for causing the pump to pump fluid from the cleaning solution reservoir to the cleaning solution dispensing member.

Abstract: Exemplary embodiments of tabletop dispenser having reassembly prevention devices are disclosed herein. An exemplary dispenser includes a container that has a neck. The neck having an inside neck diameter. A pump, a closure and a reassembly prevention device are also included. The reassembly prevention device is located between the closure and the pump. The reassembly prevention device has one or more members having a biased position and an unbiased position. When the one or more members are in the biased position, the outside diameter of the one or more members is less than the inside diameter of the neck. When the one or more members are in the unbiased position, the outside diameter of the one or more members is greater than the inside diameter of the neck.

Abstract: Exemplary embodiments wet-on-demand dispensers are disclosed herein. An exemplary dispenser for dispensing wet-on-demand substrates includes a housing, a container for holding a fluid, one or more wetting tips in fluid communication with the container. Each of the one or more wetting tips has a movable valve member. The exemplary dispenser further includes a holder for holding a roll of substrate and the movable valve members are moved as a function of contact with the substrate.

Abstract: An exemplary foam-at-a-distance soap or sanitizer dispenser includes a housing, a container for holding a foamable liquid, and a pump in fluid communication with the container. The pump has a pump chamber air inlet, a pump chamber air inlet valve, a pump chamber air outlet, a pump chamber air outlet valve, a pump chamber liquid inlet, a liquid chamber liquid inlet valve, a pump chamber liquid outlet, and a pump chamber liquid outlet valve. The exemplary dispenser further includes an air conduit extending from the pump chamber air outlet to a remote mixing chamber and a liquid conduit extending from the pump chamber liquid outlet to the remote mixing chamber. The remote mixing chamber is located at a distance from the pump chamber air outlet valve and the pump chamber liquid outlet valve and that distance is greater than about 3 inches.

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: A low-water cleansing composition is provided that includes 5.0 wt. % to less than 40 wt. % of one or more C1-C8 alcohol, at least 10.0 wt. % of a mixture of two or more surfactants, at least 0.05 wt. % of a pH adjuster; and water, the concentrations being based on a total weight of the low-water cleansing composition.

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 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.