US3822565A — Beverage dispenser

Claim 1

Independent Claim 263 words

A refrigerated beverage dispenser comprising a base and a beverage bowl mounted on the base, a pump mounted in the bowl for circulating beverage contained therein including a pump cover and an impeller under the cover and a driven magnet attached to the impeller, a motor in the base, said motor connected to a drive magnet in close proximity to the driven magnet whereby rotation of the motor operates the pump, a refrigeration system having an evaporator within the bowl for cooling beverage in said bowl circulated by the pump in heat exchange relationship therewith, a partition in the base dividing it into low and high pressure compartments, an orifice in the partition, a condenser and compressor in the base, an inlet opening in the base for admitting air into the low pressure compartment from outside the base and an outlet opening in the base for discharging air out of the base from the high pressure compartment, a fan within the orifice creating air flow through the base from the inlet opening through the low to the high pressure compartments and to the outlet opening and free of recirculation within the base for cooling the condenser, compressor and motor, said fan being connected to and driven by the motor, said evaporator comprising a refrigeration tube connected in circuit with the compressor and condenser, a readily removable hood enclosing the refrigeration tube in the bowl, and a passage connecting the pump to the hood causing all the circulation of beverage by the pump to pass through the hood in direct contact with the tube.

Claim 2

Dependent Claim 263 words

A refrigerated beverage dispenser comprising a base and a beverage bowl mounted on the base, a pump mounted in the bowl for circulating beverage contained therein including a pump cover and an impeller under the cover and a driven magnet attached to the impeller, a motor in the base, said motor connected to a drive magnet in close proximity to the driven magnet whereby rotation of the motor operates the pump, a refrigeration system having an evaporator within the bowl for cooling beverage in said bowl circulated by the pump in heat exchange relationship therewith, a partition in the base dividing it into low and high pressure compartments, an orifice in the partition, a condenser and compressor in the base, an inlet opening in the base for admitting air into the low pressure compartment from outside the base and an outlet opening in the base for discharging air out of the base from the high pressure compartment, a fan within the orifice creating air flow through the base from the inlet opening through the low to the high pressure compartments and to the outlet opening and free of recirculation within the base for cooling the condenser, compressor and motor, said fan being connected to and driven by the motor, said evaporator comprising a refrigeration tube connected in circuit with the compressor and condenser, a readily removable hood enclosing the refrigeration tube in the bowl, and a passage connecting the pump to the hood causing all the circulation of beverage by the pump to pass through the hood in direct contact with the tube.

Claim 3

Dependent Claim 31 words

A refrigerated beverage dispenser as described in claim 1 further characterized by said fan being an axial flow fan, and said driven magnet, motor and fan being vertically and axially aligned.

Claim 4

Dependent Claim 80 words

A refrigerated beverage dispenser as described in claim 1 further characterized by said condenser being mounted in the base adjacent said inlet opening, and said motor being mounted in the high pressure compartment and said compressor being mounted in the low pressure compartment downstream of the condenser with respect to the air flow created by the fan whereby the air flow sequentially passes through the condenser, about the compressor and about the motor and avoid recirculation thereof within the base.

Claim 5

Dependent Claim 31 words

A refrigerated beverage dispenser as described in claim 3 further characterized by said fan being an axial flow fan, and said driven magnet, motor and fan being vertically and axially aligned.

Claim 6

Dependent Claim 66 words

A refrigerated beverage dispenser as described in claim 4 further characterized by said base having front, rear and side panels, said inlet opening being provided in said rear panel and said condenser being positioned immediately in front of said inlet opening, said compressor being mounted at the bottom of the base in front of the condenser, and said outlet opening being provided in the side panel.

Claim 7

Dependent Claim 76 words

A refrigerated beverage dispenser as described in claim 1 further characterized by said evaporator having a plurality of generally U-shaped refrigeration tubes, said hood being generally cylindrical in shape and oriented with its axis vertical and enclosing the tubes and being open at the top, and said passage being connected to the bottom of the hood whereby the beverage enters the hood bottom and flows upwardly about the tubes and leaves the hood at the top.

Claim 8

Dependent Claim 142 words

A refrigerated beverage dispenser comprising a base and beverage bowl mounted on the base, said bowl having top and bottom walls, a refrigeration system having an evaporator with prime surface refrigeration tubes disposed in and extending generally vertically in the bowl for cooling the beverage therein, a pump in the bowl for circulating beverage therein with said tubes defining an inverted U-shape, a readily removable hood mounted generally vertically in the bowl and enclosing the tubes and having an inlet and outlet opening, and a passage connecting the pump to one of the hood openings causing the circulated beverage to flow through the hood in direct contact with the tubes, said passage being connected to the hood whereby the beverage enters the hood at said inlet opening and flows about and along the tubes and leaves the hood at said outlet opening.

Claim 9

Dependent Claim 142 words

A refrigerated beverage dispenser comprising a base and beverage bowl mounted on the base, said bowl having top and bottom walls, a refrigeration system having an evaporator with prime surface refrigeration tubes disposed in and extending generally vertically in the bowl for cooling the beverage therein, a pump in the bowl for circulating beverage therein with said tubes defining an inverted U-shape, a readily removable hood mounted generally vertically in the bowl and enclosing the tubes and having an inlet and outlet opening, and a passage connecting the pump to one of the hood openings causing the circulated beverage to flow through the hood in direct contact with the tubes, said passage being connected to the hood whereby the beverage enters the hood at said inlet opening and flows about and along the tubes and leaves the hood at said outlet opening.

Claim 10

Dependent Claim 82 words

A refrigerated beverage dispenser as described in claim 5 further characterized by said inlet opening in the hood being adjacent the bottom wall of the bowl and said outlet opening being at the top of the hood, said pump being connected to the inlet opening and being disposed outside the hood, and a spray tube connected to the outlet opening of the hood to produce a fountain-like discharge of the beverage from the outlet opening against the top wall of the bowl.

Claim 11

Dependent Claim 76 words

A refrigerated beverage dispenser as described in claim 7 further characterized by said tubes in shape defining a plurality of inverted U-shaped prime surface refrigeration tubes, said hood being generally cylindrical in shape and enclosing the tubes and being open at the top, and said passage beIng connected to the bottom of the hood whereby the beverage enters the hood bottom and flows upwardly about and along the tubes and leaves the hood at the top.

Claim 12

Dependent Claim 35 words

A refrigerated beverage dispenser as described in claim 9 further characterized by a spray tube connected to the top of the hood for discharging the beverage from the hood adjacent the top of the bowl.

Claim 13

Dependent Claim 44 words

A refrigerated beverage dispenser as described in claim 7 further characterized by said pump including a magnetically driven impeller within the bowl, and a motor driven magnet in the base in close proximity to the impeller and magnetically coupled thereto to drive the impeller.

Claim 14

Dependent Claim 192 words

A refrigerated beverage dispenser comprising a base and a beverage bowl mounted on the base and having side and bottom walls, an opening in the bottom wall of the bowl, a plate mounted on the base and closing the opening when the bowl is mounted on the base, a refrigeration tube mounted on and leaving and entering the base through the plate, said tube above the plate describing several generally vertically extending lengths of prime surface evaporator tubing, a compressor and condenser in the base and forming with the tube a refrigeration system, a readily removable hood disposed within the bowl on the bottom wall and enclosing the vertically extending lengths of tubing and spaced outwardly from said tubing, an inlet opening in the hood adjacent the bottom thereof through which beverage in the bowl may enter the hood, a discharge opening in the hood adjacent the top thereof through which beverage may leave the hood, and pump means in the bowl operatively associated with the hood causing beverage in the bowl to enter the hood and flow up the hood in heat exchange relation with the tubes and discharging from hood.

Claim 15

Dependent Claim 192 words

A refrigerated beverage dispenser comprising a base and a beverage bowl mounted on the base and having side and bottom walls, an opening in the bottom wall of the bowl, a plate mounted on the base and closing the opening when the bowl is mounted on the base, a refrigeration tube mounted on and leaving and entering the base through the plate, said tube above the plate describing several generally vertically extending lengths of prime surface evaporator tubing, a compressor and condenser in the base and forming with the tube a refrigeration system, a readily removable hood disposed within the bowl on the bottom wall and enclosing the vertically extending lengths of tubing and spaced outwardly from said tubing, an inlet opening in the hood adjacent the bottom thereof through which beverage in the bowl may enter the hood, a discharge opening in the hood adjacent the top thereof through which beverage may leave the hood, and pump means in the bowl operatively associated with the hood causing beverage in the bowl to enter the hood and flow up the hood in heat exchange relation with the tubes and discharging from hood.

Claim 16

Dependent Claim 31 words

A beverage dispenser as described in claim 12 further characterized by said pump means including an impeller and housing, said housing being integrally connected to said hood at this inlet opening.

Claim 17

Dependent Claim 61 words

A beverage dispenser as described in claim 13 further characterized by said hood being generally cylindrical with its axis disposed vertically in the bowl, and a collar formed on the bottom wall of the bowl about the opening therein for releasably engaging the hood so that the hood may be readily removed for cleaning and to expose the tubing for cleaning.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1977-07-08	1978-01-07	1978-07-09	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1981-07-08	1982-01-07	1982-07-09	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1985-07-08	1986-01-07	1986-07-09	$7700.00	Window Closed / Lapsed

Beverage dispenser

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