Drop-in beverage dispensing units have been plagued by numerous problems over the years. U.S. Pat. No. 6,761,036 (Teague, et al.) describes a beverage dispenser with an integral ice maker, which is a common product in the industry. Drop-in dispensers are prone to problems such as fluid seepage into insulation around the riser lines and the carbonator tank. They are also prone to fluid accumulation and overflow, which causes mold build-up around the unit. Insulation exposure around the top of the bin also causes mold and bacteria build-up.
Another problem with drop-in dispensers is that the outer bin wall encounters structural weakness. Fluid leaks often occur in the inner bin area at the interface between the inner liner and the cold plate. Additionally, leaks in the inner bin area occur due to poor support of the cold plate and the weight of the cold plate and ice. This causes the inner bin and seams to droop, which can result in further leakage. Furthermore, the drain lines are not vented and fluid cannot exit the unit, which results in fluid drain problems.
The cold plate lines coming out from the cold plate are prone to damage due to stress applied to the lines when the unit is set down on a surface without the support of the stand. More general support problems also occur because current units utilize stand structures incapable of supporting the loads of the dispensing unit or supporting the unit when it is moved. Finally, the drop-in dispensers are difficult to de-construct for cleaning purposes, and difficult and expensive to deconstruct and rebuild for refurbishing purposes.
The beverage dispensing unit and ice bin combination comprises features for providing a water-proof construction of a beverage-dispensing unit. For example, the beverage dispensing unit may comprise features that do not allow fluid to seep into insulation around the cold plate outlet lines and the carbonator tank. The beverage dispensing unit may also comprise features that block fluid overflow and accumulation that may cause mold build-up around the unit. Additionally, the invention may provide an improved fluid drainage system by providing a double-drain construction to prevent overflow, and air flow vents to prevent air lock and blockage. The beverage dispensing unit may also have a drain system with a single drain pan that provides redundant drain capability in case of a plugged drain or an overflow. This drain pan may allow fluid to flow to the drains as well as overflow to the rear of the pan.
The beverage dispensing unit may also comprise a construction such that the insulation is not prone to exposure that causes mold and bacteria. This construction may include a stainless steel structure along the top surface of the unit to prevent the exposure and a more stable tower. The invention's construction may also include a single-structure outer ice bin wall with a more robust outer wall. Additionally, the unit may provide an improved fastening method and construction for the dispensing valves, as well as provide a construction that eliminates fluid leaks between the inner wall and the cold plate due to separation of the surfaces.
The unit may also comprise a stand of improved construction to better allow placement, movement, and cleaning of the unit. This stand may include less exposed fasteners, easily replaceable legs, and the general construction may be easier to de-construct for cleaning purposes as well as easier and less expensive to refurbish. The beverage dispensing unit may comprise features that protect the cold plate lines when moving or setting up the unit, and may comprise a manifold block to allow easy configuration of fluid and syrup supply lines. Finally, the beverage dispensing unit and ice bin combination may have a drain pan to host a number of ice trays in different configurations.
Referring to
The drain system can include a primary drain pipe 9 and a secondary drain pipe 10. The secondary drain pipe can act as a vent to prevent air lock, thus allowing greater draining capacity. In some embodiments, the secondary drain pipe provides a controlled drain for overflow occurring within the tower assembly.
The beverage dispensing unit and ice bin combination provides further protection from overflow by containing the overflow within the tower assembly. Instead of allowing the overflow to penetrate under the tower, and ultimately out behind the tower, the beverage dispensing unit and ice bin combination contains overflow fluid within the tower until it has fully drained into the secondary drain pipe. A gasket 17 can be disposed below the tower flanges 18 to prevent fluid from penetrating below the tower assembly. The top edge of the inner ice bin wall 19 can also aid in containing overflow by preventing fluid from spilling into the ice bin.
The beverage dispensing unit and ice bin combination provides protection to the areas of the beverage dispensing unit and ice bin combination that are commonly susceptible to mold and bacteria build up. An ice bin surface 15 can fully cover and protect the foam insulation below. The ice bin surface 15 can be constructed of any suitable material, including, but not limited to stainless steel. A raised lip 16 on the stainless steel ice bin surface can be used to surround the carbonator 11 to protecting it from fluid. The invention also protects the insulation around the cold plate outlet lines 12 from fluid. The cold plate outlet lines can be located on a raised ice bin surface 13, and a gasket 14 can seal the surrounding insulation.
Referring to
The beverage dispensing unit and ice bin combination can have ice bin legs 7 on the base of the ice bin assembly that raise the unit to the necessary height to protect the cold plate inlet lines 8 from damage during placement or movement of the unit.
The beverage dispensing unit and ice bin combination's tower assembly 2 is stable and durable. Turning to
This patent application claims the benefit of U.S. Provisional Patent Application No. 60/990,593, filed Nov. 27, 2007, which is incorporated by reference in its entirety herein.
Number | Date | Country | |
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60990593 | Nov 2007 | US |