Foods and beverages: apparatus – Beverage – Infusors
Patent
1992-04-06
1993-11-09
Hornsby, Harvey C.
Foods and beverages: apparatus
Beverage
Infusors
99291, 99302R, A47J 3124
Patent
active
052592979
DESCRIPTION:
BRIEF SUMMARY
FIELD AND BACKGROUND OF THE INVENTION
This invention relates in general to coffee makers and in particular to a professional "espresso" which is of the type specified.
As is known, coffee makers must perform several different functions. They are expected to prepare a variety of drinks such as black coffee, notably espresso coffee, white coffee or "cappuccino", tea, and punch.
The demand for an ability to have such drinks prepared in a proper, satisfactory manner, especially where espresso coffee and cappuccino are involved for which the consumer is unwilling to accept a quality Less than irreproachable, has resulted in a highly complicated machine construction, particularly with respect to water and steam processing.
Unfortunately, this complex construction results in a difficult machine setting, and hence the likelihood that drinks are delivered, when in actual use which are Less than fully satisfactory.
SUMMARY OF THE INVENTION
The problem that underlies the present invention is to provide a machine which can meet such requirements and at the same time overcome the above-noted deficiencies.
The present invention has been developed from the concept of having the water required for espresso coffee making heated instantaneously and individually.
Based on this concept, in order to solve the above-noted technical problem, the present invention provides a professional espresso coffee maker of the bar-room type.
BRIEF DESCRIPTION O THE DRAWINGS
Further features and the advantages of a machine according to the present invention will be apparent from the following detailed description of a preferred embodiment thereto, given by way of non-Limitative example with reference to the accompanying drawing figures, where:
FIG. 1 shows schematically a professional espresso coffee maker for bar-room use, according to the present invention;
FIG. 2 is a partial sectional, elevation view of a detail of the coffee maker shown in FIG. 1;
FIG. 3 is a part-sectional, elevation view of a second embodiment of FIG. 2;
FIG. 4 is a top view of a portion of FIG. 3, in the direction of the arrow 4,
FIG. 5 is a sectional view of a portion of FIG. 3, taken along the line 5--5; and
FIG. 6 is an enlarged scale, sectional view of a portion of FIG. 3.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
With reference to the drawings, as shown in FIG. 1, generally shown at 1 is a professional espresso coffee maker intended for bar-room use.
The coffee maker 1 includes an electronic control apparatus 2 provided with a keyboard 3 having coffee delivery control keys 3a, and a display 4.
The coffee maker 1 further includes a plurality of dispensing bodies, all identical with one another and collectively designated 5, being each adapted to receive, in a detachable manner, a respective a percolator holding handle 6 for the delivery of single-dose espresso coffee.
The machine 1 also includes steam and hot water delivery devices, among which are a hot water delivery nozzle 7 for preparing tea, punch, and the Like, two steam delivery nozzles 8 and 9 for preparing cappuccino, and a nozzle 10 prior delivering steam to a cup heater device 11.
The machine I has a common water feed Line, indicated at 12, which can be connected to a water supply 13 and includes a decalcifying device, generally shown at 14, for softening the supply water.
For supplying the nozzles with water and steam according to necessity, an electrically fired boiler 15 is provided which is connected to the Line 12, downstream from the decalcifying device 14 through a conduit 16 wherein there are connected a pump 17 and a pulsed meter 18, of a relatively small size, such as a metering turbine, which can issue pulses over a Lead 19 in proportional numbers to the amounts of water flowing therethrouah.
Each dispensing body 5 is, connected to the line 12, downstream from this decalcifying device 14, by a respective conduit 20 and is provided with a cut-off solenoid valve 21 for cutting off the water feed to the percolator holding handle 6.
The machine 1 has, for each dispensing body 5, a heate
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patent: 1631753 (1927-06-01), Midulla
patent: 3149556 (1964-09-01), Martin
patent: 3314357 (1967-04-01), Valente
patent: 3824914 (1974-07-01), Casiano
patent: 4565121 (1986-01-01), Ohya et al.
patent: 4599937 (1986-07-01), Ghione
Hornsby Harvey C.
Nuova Faema S.p.A.
Spisich Mark
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