Hand-held solid chemical applicator assemblies for various cleaning applications such as coil cleaning utilizing specially-configured chemical tablet chamber and assembly hydraulics. In some cases, the hand-held solid chemical applicator assemblies are configured to include a cylindrical flow divert
Hand-held solid chemical applicator assemblies for various cleaning applications such as coil cleaning utilizing specially-configured chemical tablet chamber and assembly hydraulics. In some cases, the hand-held solid chemical applicator assemblies are configured to include a cylindrical flow diverter to facilitate proper chemical tablet dissolution.
대표청구항▼
1. A hand-held solid chemical applicator for cleaning heat exchange coils, comprising: a fluid inlet disposed in a handle portion of the hand-held solid chemical applicator;a first valve coupled to the fluid inlet;a second valve comprising a selectively variable valve coupled to at least one of (i)
1. A hand-held solid chemical applicator for cleaning heat exchange coils, comprising: a fluid inlet disposed in a handle portion of the hand-held solid chemical applicator;a first valve coupled to the fluid inlet;a second valve comprising a selectively variable valve coupled to at least one of (i) the fluid inlet and (ii) the first valve;a fluid outlet in communication with the second valve;a chemical chamber inlet in communication with the second valve;a chemical chamber comprising a first open end and a second end opposite the first end, the chemical chamber being in communication with the chemical chamber inlet and the fluid outlet, the chemical chamber inlet being disposed near the first open end, the chemical chamber being disposed in a body portion of the hand-held solid chemical applicator, and the chemical chamber being operable to receive a chemical tablet; anda flow diverter disposed inside of the chemical chamber and oriented to deflect the fluid flow received from the chemical chamber inlet. 2. The hand-held solid chemical applicator of claim 1, wherein the chemical chamber comprises a cylindrical chamber, the fluid from the chemical chamber inlet is received from a radius of the cylindrical chamber, and the flow diverter comprises an angled element disposed to deflect the received fluid flow from a radial direction to a direction along the interior circumference of the cylindrical chamber. 3. The hand-held solid chemical applicator of claim 1, further comprising: a hinged cap coupled to the first open end of the chemical chamber. 4. The hand-held solid chemical applicator of claim 3, further comprising: a hinged latch coupled to selectively engage with the hinged cap to secure the hinged cap in closed position sealing the first open end of the chemical chamber. 5. The hand-held solid chemical applicator of claim 4, wherein the hinged cap is hinged at a first position with respect to the first open end of the chemical chamber and the hinged latch is hinged at a second position with respect to the first open end of the chemical chamber, the first and second positions comprising opposite positions. 6. The hand-held solid chemical applicator of claim 1, wherein the handle portion of the hand-held solid chemical applicator is oriented along a first axis and wherein the body portion of the hand-held solid chemical applicator is disposed along a second axis, the first axis and the second axis being oriented at an angle to each other. 7. The hand-held solid chemical applicator of claim 6, wherein the angle is defined as the angle between the direction of fluid flow from the fluid inlet along the first axis and the second axis at the open first end of the chemical chamber, and wherein the angle comprises an acute angle. 8. The hand-held solid chemical applicator of claim 6, wherein the first axis is vertically-oriented and the second axis is horizontally-oriented. 9. The hand-held solid chemical applicator of claim 1, wherein the chemical chamber comprises a transparent cylindrical chamber, the hand-held solid chemical applicator further comprising: an orifice partition coupled to the first end of the chemical chamber, the orifice partition defining a non-cylindrically shaped chemical tablet insertion orifice through which non-cylindrically shaped chemical tablets may be inserted into the cylindrical chamber. 10. The hand-held solid chemical applicator of claim 9, wherein the non-cylindrically shaped chemical tablet insertion orifice defines an hourglass-shaped opening. 11. A hand-held solid chemical applicator for cleaning heat exchange coils, comprising: a fluid inlet disposed in a handle portion of the hand-held solid chemical applicator, the handle portion being oriented along a first axis;a first valve coupled to the fluid inlet;a second valve comprising a selectively variable valve coupled to at least one of (i) the fluid inlet and (ii) the first valve, wherein the second valve selectively distributes variable portions of the fluid into a fluid outlet and a chemical chamber inlet;a chemical chamber comprising a first open end and a second end opposite the first end, the chemical chamber comprising a cylindrical chamber being coupled to the chemical chamber inlet and to the fluid outlet, the chemical chamber inlet being disposed near the first open end, the chemical chamber being disposed in a body portion of the hand-held solid chemical applicator, the body portion and the chemical chamber being oriented along a second axis disposed at an angle to the first axis, wherein the direction of fluid flow into the cylindrical chamber from the chemical chamber inlet comprises flow in an inward radial direction, and the chemical chamber being operable to receive a chemical tablet, wherein the angle, measured between the direction of fluid flow from the fluid inlet along the first axis and the second axis at the open first end of the chemical chamber, is less than or equal to ninety degrees (90°); anda flow diverter disposed inside of the cylindrical chamber and oriented to deflect the fluid flow received from the chemical chamber inlet from the inward radial direction to a circumferential direction along an inside wall of the cylindrical chamber. 12. The hand-held solid chemical applicator of claim 11, wherein the angle is in the range of thirty-five degrees (35°) to fifty-five degrees (55°). 13. The hand-held solid chemical applicator of claim 11, wherein the first axis is vertically-oriented and the second axis is horizontally-oriented. 14. The hand-held solid chemical applicator of claim 11, wherein the chemical chamber inlet is disposed to direct the fluid flow into the chemical chamber in a direction normal to the second axis. 15. A hand-held solid chemical applicator for cleaning heat exchange coils, comprising: a fluid inlet oriented along a first axis;a fluid outlet oriented along a second axis;a first valve coupled to the fluid inlet, the first valve operable to govern flow of a fluid through the fluid inlet;a second valve comprising a selectively variable valve coupled to at least one of the fluid inlet and the first valve, the second valve operable to receive the fluid from at least one of (i) the fluid inlet and (ii) the first valve, and the second valve being in communication with the fluid outlet and a chemical chamber inlet, the second valve being selectively operable to distribute variable portions of the fluid into the fluid outlet and the chemical chamber inlet;a chemical chamber comprising a first open end and a second end opposite the first end, the chemical chamber being coupled to the chemical chamber inlet and operable to receive fluid from the chemical chamber inlet and the chemical chamber being in communication with the fluid outlet and operable to direct the received fluid to the fluid outlet, the chemical chamber inlet being disposed near the first open end, the chemical chamber being oriented along the second axis, and the chemical chamber being operable to receive a chemical tablet; anda flow diverter disposed inside of the chemical chamber and oriented to deflect the fluid flow received from the chemical chamber inlet. 16. The hand-held solid chemical applicator of claim 15, wherein the chemical chamber comprises a transparent cylindrical chamber, the hand-held solid chemical applicator further comprising: an orifice partition coupled to the first end of the chemical chamber, the orifice partition defining a non-cylindrically shaped chemical tablet insertion orifice through which non-cylindrically shaped chemical tablets may be inserted into the cylindrical chamber. 17. The hand-held cleaning solution delivery mechanism of claim 16, wherein the non-cylindrically shaped chemical tablet insertion orifice defines an hourglass-shaped opening.
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