With Infusive Material Feeding And/or Discharging Patents (Class 99/289R)
  • Patent number: 6155158
    Abstract: An automatic beverage brewing apparatus is described. The automatic beverage brewing apparatus includes a controllable brewing device and a controllable brewing substance dispenser communicating with the brewing device. The automatic beverage brewing apparatus includes a housing in which at least one receptacle is retained proximate the brewing device for receiving brewed beverage from the brewing device. A plurality of controllable dispense valves are provided for controlling the flow of brewed beverage from the brewing device to the receptacles. Each receptacle includes a controllable outlet valve for automatically dispensing brewed beverage from the receptacle and a controllable disposal valve for automatically emptying the receptacle of brewed beverage. Each receptacle is supported on a weight sensing device which generates a weight control signal relating to the weight of brewed beverage retained in the receptacle.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: December 5, 2000
    Assignee: Bunn-O-Matic Corporation
    Inventor: James H. Anson
  • Patent number: 6129006
    Abstract: A coffee machine is provided with a boiler for heating brewing water, a brewing cylinder defining a brewing chamber, a closure piston for closing the one open end of the brewing cylinder as well as a brewing piston for compressing the coffee powder in the brewing cylinder and/or for ejecting the elutriated coffee powder cake, whereby the brewing piston is longitudinally movable in the brewing cylinder. The closure piston is integrally formed or rigidly connected to the housing of the boiler and firmly mounted to the housing of the coffee machine. Moreover, there is provided a brewing module that is removably inserted into the housing of the coffee machine and that includes at least the brewing cylinder and the brewing piston. The brewing cylinder and the brewing piston are movable in longitudinal direction, but cannot be rotated. Such a coffee machine can be designed very compactly.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: October 10, 2000
    Assignee: Finanara International B.V.
    Inventor: Arthur Schmed
  • Patent number: 6116147
    Abstract: A coffee machine is provided with a boiler for heating brewing water, a brewing cylinder defining a brewing chamber, a closure piston for closing the one open end of the brewing cylinder as well as a brewing piston for compressing the coffee powder in the brewing cylinder and/or for ejecting the elutriated coffee powder cake, whereby the brewing piston is longitudinally movable in the brewing cylinder. The closure piston is integrally formed or rigidly connected to the housing of the boiler and firmly mounted to the housing of the coffee machine. Moreover, there is provided a brewing module that is removably inserted into the housing of the coffee machine and that includes at least the brewing cylinder and the brewing piston. The brewing cylinder and the brewing piston are movable in longitudinal direction, but cannot be pivoted. Such a coffee machine can be designed very compactly.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: September 12, 2000
    Assignee: Fianara International B.V.
    Inventor: Arthur Schmed
  • Patent number: 6098524
    Abstract: A hot beverage vending machine adapted for making coffee drinks from a freeze dried mixture by utilizing mixing bowls and delivery tubes surrounded by a heater shroud. A smooth edge whipper is utilized to whip the coffee mixture to the proper consistency after it leaves the mixing bowl to provide the proper crema appearance in the cup. The mixture is directed into a cup by an adjustable outlet tube so that the coffee mixture is directed against the side of the cup below the full line. The adjustable outlet tube also contributes to the proper drink appearance by reducing the number of large bubbles in the cup.
    Type: Grant
    Filed: September 16, 1998
    Date of Patent: August 8, 2000
    Assignee: Crane Co.
    Inventor: Robert J. Reese
  • Patent number: 6079315
    Abstract: A cup shaped holder is internally provided with an ejection mechanism which serves to automatically dislodge a spent beverage cartridge from an upwardly extending piercing member when the lid is opened at the end of a brewing cycle. In addition, the holder is mounted on externally protruding trunnions for pivotal movement between an upright brewing position and a partially inverted position to eject the dislodged cartridge from the holder into an underlying receptacle. The lid has a dependency arm that coacts with a pawl on the holder trunnions to automatically manipulate the holder to eject the cartridge.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: June 27, 2000
    Assignee: Keurig, Inc.
    Inventors: Roderick H. Beaulieu, James W. Wuertele, Richard P. Sweeney, John E. Sylvan, Michael G. Woram, Kenneth A. Focht, Jennie Kwo
  • Patent number: 6079314
    Abstract: Assemblies, systems, and devices are provided for the brewing of a beverage (e.g. coffee, or tea). The invention, in particular, provides a brew chamber assembly for an apparatus for preparing a beverage from an aqueous medium and a particulate beverage material; the chamber assembly may, for example, be used in automated beverage making machines. The brew chamber assembly may comprise a brewing vessel and a spent coffee grounds discharge mechanism. The brewing vessel comprises a floor and side wall elements. The spent particulate beverage material discharge mechanism comprises an exit element for venting spent particulate beverage material out of the brewing vessel and a spinable impellor for urging spent particulate beverage material out of the brew chamber through the exit element.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: June 27, 2000
    Assignee: Office Perks Gourmet Coffee Service Inc.
    Inventor: Timothy S. Mackinnon
  • Patent number: 6035762
    Abstract: A coffee machine, which operates with filter capsules, having a brewing unit with two brewing-chamber parts which can be displaced relative to one another and, in a closed position, form a brewing chamber for the filter capsules, one of the two brewing-chamber parts being connected to a brewing-water heater and being provided with a multiple nozzle. By virtue of the fact that the multiple nozzle in the brewing-chamber part is arranged in a movable manner and that, at least while the coffee is being prepared, is forced in the direction of the other brewing-chamber part or of the filter capsule accommodated in the brewing chamber, the extraction values are improved, the use of filter capsules of different thicknesses is possible, and the situation where the filter capsules swell up and explode when subjected to the action of superheated steam is avoided.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: March 14, 2000
    Assignee: Eldom Rothrist AG
    Inventor: Stephan Ruckstuhl
  • Patent number: 5974949
    Abstract: The espresso machine works with filter capsules and has a scalding unit (4) with two scalding chamber parts (2, 3) which can be moved relative to each other between an opening position and a closing position. The scalding chamber parts (2, 3) enclose between them in their opening position a gap (1). The gap (1) provided for throwing in the filter capsules can be closed by a swivel-type upper lever (15) and towards the bottom also by a swivel-type lower lever (18). Preferably the machine is equipped with a drain pipe (14) the angle of which can be adjusted. The adjustability of the drain pipe (14) permits the use of larger cups whereas spilling of espresso past the cup is avoided when smaller cups are used. Preferably the drain pipe is mounted in the base of a drain tub.
    Type: Grant
    Filed: February 18, 1998
    Date of Patent: November 2, 1999
    Assignee: Eldom Rothrist AG
    Inventors: Rene Weber, Georges Feierabend
  • Patent number: 5974950
    Abstract: A beverage brewing machine, a method for brewing a beverage preparation material and a beverage brewing envelope are provided. The beverage brewing machine has an upper brewing chamber adapted to receive hot water and a beverage preparation material and having an open lower end. A cylinder with an upper end normally in registration with the open lower end of the upper brewing chamber is further provided. An envelope enclosing a packet is provided wherein the packet encloses the beverage preparation material. The customer may remove the packet from the envelope and place it on a carrier plate which automatically moves into brewing position and then is discarded by the customer, or, in a different execution, the carrier plate receives the envelope and extracts the packet including the beverage preparation material from the envelope and places the packet over the cylinder.
    Type: Grant
    Filed: August 24, 1998
    Date of Patent: November 2, 1999
    Assignee: Innovations AMK, Inc.
    Inventor: Alan M. King
  • Patent number: 5964142
    Abstract: A coffee dispensing device which comprises a supporting structure for a filter basket, provided with a first channel for feeding hot water and with a second channel for the outflow of the coffee. The structure also supports a hydraulic piston whose stem actuates, in contrast with at least one flexible element, a body which is provided with a containment chamber for ground coffee or coffee in tablets. The body can move approximately transversely and axially with respect to the filter basket and is temporarily associable therewith.
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: October 12, 1999
    Assignee: San Remo S.r.l.
    Inventor: Franco Dal Tio
  • Patent number: 5957033
    Abstract: A coffee machine includes a housing frame in which are slidably disposed at least one extraction device, one electronic control unit and a hot-water supply as modules implemented independently of one another. Each modules is provided on a rear side thereof with at least one connector component which in the slide-in state is coupled with a corresponding connector component in the housing frame. The connector components in the housing frame are connected with one another via cables or lines. The coffee machine can be assembled in extremely simple manner, and it is possible in the event of a defect to replace a module without involving an expert.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: September 28, 1999
    Assignee: Thermoplan AG
    Inventor: Jean-Paul In-Albon
  • Patent number: 5941163
    Abstract: A brewed coffee vending machine with a coffee reheating device is disclosed. The brewed coffee vending machine includes a ground coffee bean receptacle, a hot water container, a brewing unit, an extractor, and a coffee reheating device that reheats the brewed coffee extracted by the extractor before it is dispensed to the consumer. The coffee reheating device comprises a case in which an electric heating line is embedded; a heating chamber installed inside the case; an intake nozzle installed on one side of the case through which the brewed coffee enters the heating chamber; and an outlet installed on another side of the case through which the reheated coffee exits the coffee reheating device.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: August 24, 1999
    Assignee: Kwangju Electronics Co., Ltd
    Inventors: Young-Gon Park, Tae-Ho Kang, Dong-Sik Oh
  • Patent number: 5921168
    Abstract: Express-coffe-machine loadable with wafers (36) of coffee blend for family or professional use, includes a casing (2) containing one vessel (12) for the water to be heated, a boiler (16) in which the water is heated to a pre-established temperature and a unit (4) formed by one fixed lower head (5) and one movable upper head (6), which can be engaged one to the other so as to press a wafer (36) therebetween for delivering a beverage. The movable upper head (6) is carried by an arm (24) connected to a control lever (26), made integral with a fork (28) engaging the lower head (5), an is also provided with a spout (7) for distributing the beverage.
    Type: Grant
    Filed: February 5, 1998
    Date of Patent: July 13, 1999
    Assignee: C.M.A. S. p. A.
    Inventor: Dal Tio Nello
  • Patent number: 5896805
    Abstract: In a coffee extracting apparatus in which coffee essence is extracted from coffee powder (200) in a container (51), an air feeding arrangement (43) is provided for feeding pressed air into the container. After the coffee essence is extracted from coffee powder, coffee grounds (200') are remained in the container. It is assumed that the coffee grounds are adhered to an inner surface of the container. In order to expel the coffee grounds from the container, the air feeding arrangement is controlled so that the pressed air is fed into the container after extracting the coffee essence from the coffee powder.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: April 27, 1999
    Assignee: Sanden Corporation
    Inventors: Isao Katou, Karin Okamura, Makoto Kobayashi, Akio Kawabata
  • Patent number: 5868062
    Abstract: Coffee liquid extracting apparatus comprises an extractor vessel, a combined-use decanter that retains water for extraction, receives extracted coffee liquid and is usable for pouring coffee liquid into cups. A circulation path and a circulation pump transport the liquid from the combined-use decanter and pour the liquid into the extractor vessel. A circulating water heater heats water circulated by the circulation pump. A controller controls operation in response to a tap temperature operation switch to operate the circulation pump to circulate the water for a fixed time (T.sub.1) with the circulating water heater on for a fixed time (T.sub.0) limited to an early operation period, thereby pouring high temperature water for a fixed time (T.sub.0) limited to the early operation period and subsequently pouring unheated water.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: February 9, 1999
    Inventor: Kazuo Enomoto
  • Patent number: 5845561
    Abstract: An apparatus for preparing a coffee beverage by supplying the ground coffee beans fed from a coffee mill for grinding coffee beans to an extractor to prepare the coffee beverage is disclosed, wherein a device for removing the silver skins out of the coffee beans ground by the coffee mill is provided therewith.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: December 8, 1998
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Noboru Chigira, Naoto Fukushima, Kazuhiro Uehara, Masakazu Sakata, Kouji Takeda
  • Patent number: 5823096
    Abstract: An automatic infusing apparatus includes an infusing container, lifting and lowering device for the container to higher and lower positions, device for feeding ground beans to the container when the latter is at the higher position, and a scraping device for removal of the infused ground beans. A plunger includes a sifter member which is disposed within the container and which has a peripheral portion slidable relative the container, and a stem member. The stem member has an upper section connected to the sifter member and a lower section to extend outwardly and sealingly from the lower end wall of the infusing container. The lower section of the stem member is movable relative the lower end wall of the container to lift the sift member upwardly to a scraped position downwardly to an infused position. A biasing member biases the sifter member to move from the scraped position to the infused position.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: October 20, 1998
    Inventor: Chun-Hong Shih
  • Patent number: 5813317
    Abstract: A brewing pot for tea includes a container including an upper portion having a top rim defining at least one cavity, and a lower portion defining a chamber, and an abutting edge formed between the upper portion and the lower portion. A supporting base supported on the abutting edge includes an upright post. A cylindrical body is slidably mounted on the supporting base and includes a top portion formed with an annular flange and a bottom portion defining a socket. At least one block is formed on the annular flange and abuts on the top rim of the container, and a control ball is received in the socket. The cylindrical body and the supporting base can be rotated relative to the container to a position where the block is received in the cavity such that the body can be moved downward relative to the supporting base while the control ball can be moved toward the post such that the control ball can be urged by the post to rise from the socket.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: September 29, 1998
    Inventor: Keng-Hao Chang
  • Patent number: 5722313
    Abstract: A machine for making a beverage such as espresso coffee, with automatic ground coffee introduction and dregs expulsion, having a main shaft that drives, synchronously and simultaneously, through sector-shaped gears and cams controlled thereby, the movement of a ground coffee dosage and feeding device, of a used dregs expulsion unit, of a unit that forms the extraction chamber, and, through a lever, of a plunger that forms the bottom of the extraction chamber and furthermore moves, directly or indirectly, all the other elements required for operation.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: March 3, 1998
    Assignee: J. Lough Limited
    Inventor: Arthur-Joachim Schmed
  • Patent number: 5718163
    Abstract: The present invention relates to an electronic apparatus for controlling coffee grinding and metering, of the type containing, within an encasing structure (10), a plurality of disposable coffee containers (4, 4'), means (30, 40) for coffee grinding regulation, metering means (80, 90), means (84, 84') for filtering and dispensing coffee doses and means (51, 51A) which enable the whole apparatus in the presence of elements of recognition of the quality of used coffee, said elements being stored on storage supports of magnetic (5') and/or electronic (5) type. The coffee grinding unit (1) comprises at least one electronic control card (51, 51A) which enables said coffee grinding regulation means (30, 40) as a function of their consumption over time and of the quality of used coffee, for a sufficient and necessary number of times for consuming that amount of coffee which is present inside said containers (4, 4').
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: February 17, 1998
    Assignee: Il Caffe' Del Professore S.r.l.
    Inventor: Nunzio Termini
  • Patent number: 5680809
    Abstract: A device for brewing coffee, tea and the like. A rotor with three circumferentially spaced cells is mounted for a stepwise rotary movement within a cylindrical housing to move each of the cells successively to each of three circumferentially spread locations, where an ingredient's inlet, a filter and a discharge opening for dregs respectively are provided. A source of pressurized air is provided at a location within a transitional area between the ingredient's inlet location and the filter location so as to be active as an agitation means in the filling and extracting phase and as a means for expelling the extract in the filter phase.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: October 28, 1997
    Assignee: Koninklijke Olland Groep B.V.
    Inventors: Rene Cornelis Antonius J. Dings, Lucas Alphonsus Maria Evers, Siebe Schootstra
  • Patent number: 5676041
    Abstract: A coffee brewing apparatus for producing a selectively flavored, liquid coffee beverage, having a housing, a receptacle, securable to the housing, for retaining ground virgin coffee beans to be brewed, a dispensing means, at least partially disposed within the housing, for optionally dispensing flavored compositions into the receptacle and onto the ground coffee contained therein and brewing means, at least partially disposed within the housing, for introducing a heated liquid into the receptacle to thereby produce a selectively flavored coffee beverage is provided.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: October 14, 1997
    Assignee: Appliance Development Corp.
    Inventors: Dov Z. Glucksman, Karl H. Weidemann, Ron J. Glucksman, John A. Deros
  • Patent number: 5671657
    Abstract: A dispensing control assembly for use with a grinding apparatus to controllably dispense coffee beans therethrough. The grinding apparatus includes a hopper in gravity feed relationship with the dispensing control assembly and a grinder positioned below the dispensing control assembly for grinding material dispensed therethrough. The dispensing control assembly includes a slide plate retained between the hopper and the grinder for selective movement between an open and a closed position. A moving mechanism is provided and coupled to the slide plate for moving the slide plate between the open position and the closed position. A baffle is also provided which extends over a portion of the slide plate facing the hopper with the baffle creating a void therebelow to facilitate movement of the slide plate into the closed position and avoid trapping coffee beans.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: September 30, 1997
    Assignee: Bunn-O-Matic Corporation
    Inventors: David F. Ford, Daniel R. Ephraim
  • Patent number: 5650186
    Abstract: A hot beverage brewing and dispensing machine with the ability to dispense first and second successive single shots of espresso coffee with the dispensing of a second separate liquid additive such as foamed milk and/or hot water spanning the time lag between the end of the dispensing flow of the first shot of espresso and the beginning of the dispensing flow of the second shot in order to maintain a continuous dispensing flow.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: July 22, 1997
    Inventors: Faust Annoni, Stefano Sandei, Ugo Sandei, Pietro Sandei
  • Patent number: 5644973
    Abstract: Disclosed is a device for brewing the roasted and ground beans of the coffee used in a vending machine, which comprises a ground beans receptacle for containing the roasted and ground beans of the coffee, a mixing means for mixing the ground beans of the coffee with a hot water, an extracting chamber for providing a space used to extract a coffee liquid, an extracting means for extracting the coffee liquid by jetting a pressurized air against the mixture of the roasted and ground beans and hot water, a filter mechanism arranged below the extracting chamber for filtering the coffee liquid, a reciprocating means for lowering and raising extracting chamber, and a sweeper for removing the residue remaining on the filter mechanism, characterized in that the filter mechanism further comprises a porous filter part for passing pure coffee liquid only, a support part for supporting the filter part not to be distorted by an external pressure, and a buffer arranged between the filter part and the support part for absorb
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: July 8, 1997
    Assignee: Kwangju Electronics Co., Ltd.
    Inventors: Tae Ho Kang, Dae-ryong Yun
  • Patent number: 5638739
    Abstract: A coffee brewer of the type having an outer fixed cylindrical tube and a fixed piston within the tube. A sliding cylinder slides in sealing contact between the outer cylinder and the piston. The sliding cylinder has a filter at the top thereof. A frame mounts the piston head and the outer cylindrical tube, and motor means are mounted on the frame with a pair of rotors rotatably mounted on the frame, one on either side of the outer cylindrical tube about a lateral axis at right angles to the axial axis of the outer and sliding cylindrical tubes. Each rotor includes an arcuate segment with gear teeth on the periphery thereof. Gear means connect the motor to the rotors for rotating the rotors, and a cam connector connects the sliding cylinder to the rotors for sliding movement of the sliding cylindrical tube during the brewing cycle.
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: June 17, 1997
    Assignee: Shaanan Holdings Inc.
    Inventors: Gad Shaanan, Walter Francovich
  • Patent number: 5632193
    Abstract: An apparatus for making tea which includes a tea cup having two stepped flow guide ribs raised from the inside wall and two swivel locking plates pivoted to the flow guide ribs, an infusion container supported on steps on the stepped flow guide ribs and retained in place by the swivel locking plates and having a bottom drain hole, a filter mounted inside the infusion container and covered over the drain hole and having an axle housing at the center, a ball forced by a return spring into engagement with the drain hole to stop its passage, a pull rod sliding in the axle housing of the filter and pulled to lift the ball from the drain hole for permitting prepared tea to flow out of the infusion container into the tea cup.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: May 27, 1997
    Inventor: Shun-Tsung Shen
  • Patent number: 5622099
    Abstract: A brewing head of an espresso maker includes a housing, and a lower brewing head section fixedly attached to the housing. The lower brewing head section includes a pressure sealed brewing chamber, and a lifting piston forming a floor of the brewing chamber. The lifting piston has apertures therethrough. A water inlet is located beneath the floor of the brewing chamber. An apparatus for moving the lifting piston is provided. The brewing head further includes an upper brewing head section movable relative to the lower brewing head section. The upper brewing head section includes an upper brewing head housing, and a fill shaft. The fill shaft is in communication with the brewing chamber when the upper brewing head section is moved to a fill position. The upper brewing head section further includes a brewing piston positioned over the brewing chamber when the upper brewing head section is moved to a brewing position.
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: April 22, 1997
    Assignee: Eugster/Frismag AG
    Inventor: Hans-Peter Frei
  • Patent number: 5611261
    Abstract: A spent beverage brewing substance disposal device for use with a beverage brewing apparatus. The disposal device is connected to the beverage brewing apparatus for receiving a slurry of spent beverage brewing substance and liquid. The disposal device includes a housing having a delivery port communicating with a drain conduit of the beverage brewing apparatus for receiving the slurry therethrough. A foraminous structure is retained in the housing and positioned for receiving the slurry. The foraminous structure allows a liquid portion to drain therethrough while retaining the solid or particulate matter of the slurry. A pressurizing apparatus is coupled to the housing of the disposal device so as to pressurize the interior chamber defined by the housing to expedite the separation of the liquid portion from the solid portion. Liquid which is drained from the slurry passes through the foraminous structure and into a drain.
    Type: Grant
    Filed: August 10, 1995
    Date of Patent: March 18, 1997
    Assignee: Bunn-O-Matic Corporation
    Inventor: Randy D. Pope
  • Patent number: 5551988
    Abstract: The cleaning of the brewing device of a coffee machine takes place in various phases. In a first phase, water is conducted out of a water tank via a water supply connection of the brewing cylinder through the outlet pipe disposed in the brewing piston into an external water tank. The cleaning water follows the route of the brewed coffee in this phase. In a second phase (see FIG. 3) the cleaning water is conducted from the brewing cylinder via channels in the wall of the brewing cylinder into areas outside the brewing cylinder and cleans, among other things, the second extension piece for the transport of the coffee grounds to the grounds container. In a third phase the water located in the brewing chamber is caused to flow out over the edge of the brewing cylinder by means of the shifting of the ejection piston.
    Type: Grant
    Filed: December 6, 1994
    Date of Patent: September 3, 1996
    Assignee: Jura Elektroapparate AG
    Inventors: Shahryar Reyhanloo, Markus Hermann, Markus Anliker
  • Patent number: 5542342
    Abstract: A coffee bean grinding and brewing apparatus having a control circuit for initiating grinding and brewing cycles. The control circuit has a brew basket sensing switch that is positioned adjacent the brew basket retaining arms and is engaged into an open position by one of the arms when no basket is positioned between the arms and becomes closed when a basket is positioned between the arms. The control circuit does not initiate any cycle as long as the sensing switch is open avoiding the problem of grounds being delivered accidentally when no basket is present. Additionally, the control circuit has a grind-only switch and a brew-only switch that respectively permit an operator to select a grind-only or a brew only cycle when a basket is held properly between the arms. Finally, the circuit may be provided with a partial and full brew selector switches that permit an operator to select a full and predetermined amount of ground coffee and/or hot water to be delivered to the brew basket or a lesser amount, e.g.
    Type: Grant
    Filed: August 8, 1995
    Date of Patent: August 6, 1996
    Assignee: Grindmaster Corporation
    Inventors: Robert C. McNeill, Douglass Nance
  • Patent number: 5531152
    Abstract: An espresso coffee machine that includes a pad receiving holder for receiving disposable coffee pad containing a predetermined amount of finely ground coffee beans from which espresso or cappuccino coffee is prepared. The pad receiving holder includes a first member and a second member. The first member has a first surface in fluid communication with at least one of a supply of steam and hot water and the second member has a second surface in fluid communication with a spout. The first member and the second member are movable between an open position for receiving a coffee pad and a closed position for forming, between the first surface and the second surface, a chamber to contain the coffee pad, whereby in the closed position the at least one of a supply of steam and hot water to pass through the chamber containing a coffee pad and to discharge as espresso coffee from the spout.
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: July 2, 1996
    Assignee: Grimac Royal Falcon Corp.
    Inventor: Giancarlo Gardosi
  • Patent number: 5526733
    Abstract: The brewing device is composed of a housing part including a piston, vertically slidable in the housing part. On the housing part, a filter basket holder is mounted which is pivoted horizontally about the tilting axis and is provided with a filter basket to be filled with ground coffee. When the piston is lowered and reaches into the filter basket (i.e., its working position), the filter basket forms with it a pressure chamber, in which the ground coffee is enclosed, into which, on the piston side, hot water under pressure is urged through a conduit, and from which, on the filter basket holder side, the prepared espresso coffee beverage is discharged through at least one outlet opening. When the piston is lifted, the filter basket holder with the filter basket can be swung about a vertically extending tilting axis out of the range of effect of the piston.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: June 18, 1996
    Assignee: Braun Aktiengesellschaft
    Inventors: Manfred Klawuhn, Walter Hufnagl, Roland Muller, Gerhard Schafer
  • Patent number: 5511465
    Abstract: A beverage brewing apparatus which includes a substance dispensing device and a brewing device. The brewing apparatus includes a receptacle for receiving a brewing substance from the substance dispensing device, a movable chute positioned between the substance dispensing device and the receptacle, and a water dispensing system operatively associated with the brewing device and selectively communicating with the receptacle for delivering water to a brewing substance retained therein. Additionally, a drive assembly is provided to operatively displace the water dispensing device relative to the receptacle. When the water dispensing device is positioned in communication with the receptacle, the chute is moved out of communication with the receptacle. When the water dispensing device is removed from communication with the receptacle, the chute is placed in communication with the receptacle.
    Type: Grant
    Filed: August 4, 1995
    Date of Patent: April 30, 1996
    Assignee: Bunn-O-Matic Corporation
    Inventors: Brent R. Friedrich, John T. Knepler
  • Patent number: 5505845
    Abstract: A tray assembly for use in receiving and retaining used moist brewing substances and the like from a beverage brewing apparatus and separating a liquid portion therefrom. The tray assembly is in communication with an entry port which deposits moist brewing substances therein. A drain line in the brewing apparatus carries separated liquids away from said tray assembly. The tray assembly includes a tray body, a liquid separation portion retained in said tray body for drawing off liquids from moist brewing substances, and a controllably sealable tray valve assembly attached to the tray body and operatively engaging the drain line for draining liquids from the tray assembly. A first area in the tray body between the entry port and the liquid separation portion communicates with the entry port and defines a receiving and retaining space. A second area in the tray body between the liquid separating portion and the valve assembly communicates with the tray valve assembly and defines a liquid collection space.
    Type: Grant
    Filed: August 1, 1994
    Date of Patent: April 9, 1996
    Assignee: Bunn-O-Matic Corporation
    Inventor: David F. Ford
  • Patent number: 5501138
    Abstract: The invention relates to an automatic assembly for delivering infusions of coffee and the like, with means for ejecting the dry coffee grounds, characterized in that said assembly comprises a stator body, in the inside of which there is rotatably supported a rotor, including a chamber housing an infusion piston therein.The rotor can be successively located at a loading station for introducing the coffee powder, an infusion station and at an unloading station.Pressing means there are moreover provided operating on the piston for pressing the coffee powder before making the infusion, and for drying-pressing the coffee pad after having made the infusion.
    Type: Grant
    Filed: May 17, 1994
    Date of Patent: March 26, 1996
    Inventor: Ermenegildo Fava
  • Patent number: 5495793
    Abstract: There is described an apparatus for preparing a beverage, in particular coffee, of the type wherein an electric motor drives a piston in a filling chamber. In accordance with the invention, the motor power is controlled with a closed loop control, so that the rotational speed can be held constant and the attainment of an end position of the piston can be detected from the increase of the motor power required, without requiring elements mounted on parts which are to be cleaned regularly.Preferably, the apparatus is adapted to slightly press the coffee powder by means of the piston, and to slightly squeeze out the residual dregs, after the coffee-making process has ended, by means of the piston.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: March 5, 1996
    Assignee: Sara Lee/De N.V.
    Inventors: Jan A. Muis, Johannes H. Edelbroek
  • Patent number: 5492054
    Abstract: A coffee maker which operates with at least one metering device having an adjustable wall, which varies the metering volume of the metering chamber. The metered powdered beverage is emptied through a movable flap and falls through a pouring funnel into an extraction chamber of an extraction cup. During the brewing process, a displaceable extraction piston is located in the brewing chamber. The movable wall and the movable extraction piston are actuated via a single operating element which acts on a transmission means.
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: February 20, 1996
    Assignee: Prodiana AG
    Inventor: Gerard Schneeberger
  • Patent number: 5490447
    Abstract: An automatic espresso and cappuccino machine comprises a number of individual filter units movable with respect to a coffee filling station, a coffee dispensing station, a filter cleaning station and a filter washing station. Ground coffee is introduced into each filter unit at the coffee filling station and then the filter units are selectively rotated by a filter indexing device to the coffee dispensing station where they are moved into engagement with a water nozzle which first compacts the coffee and then directs heated water through the ground coffee to form espresso. An emulisifier is also located at the coffee dispensing station, which is effective to produce foamed milk for combination with the espresso to form cappuccino.
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: February 13, 1996
    Assignee: Faema S.p.A.
    Inventor: Mario Giuliano
  • Patent number: 5479849
    Abstract: A coffee brewing machine which allows the coffee to be more rapidly removed from the lower brewing chamber by providing a vent opening which opens to relieve the vacuum and allows the coffee to be discharged. In one embodiment, the vent opening is opened and closed by a plug on the upper brewing chamber. On another embodiment the vent hole is opened and closed by an actuator. In a third embodiment, a portion of the coffee filter serves as the vent hole.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: January 2, 1996
    Assignee: VKI Technologies, Inc.
    Inventors: Brian King, Paul King, Stan McLean
  • Patent number: 5479848
    Abstract: Device for instant, automatic, pressurized percolation of food liquids provided with a horizontal mechanical assembly including as main elements functional sections, especially a stationary rail, an infusion chamber with a movable bottom and a movable part carrying the compression piston sliding on the rail, and a filling chamber linked to the movable bottom by a rod whose position and section is adapted to control the movement of a scraper pivoting on a horizontal pivot. The invention is used for preparing espresso coffees.
    Type: Grant
    Filed: November 17, 1994
    Date of Patent: January 2, 1996
    Inventor: Rolland Versini
  • Patent number: 5471910
    Abstract: An automatic coffee machine, has a heating device (5), which has a heating chamber (6), which is formed from a stationary arranged pipe section (4) with a vertical axis (9) as well as two stoppers (7, 8). An axial drive for moving the upper stopper (7) on a turning arm (29) into and out of the pipe section (4) is provided. A pivot drive serves to move the upper stopper (7) into a parking position away from the axis (9) of the pipe section (4) and into a stand-by position in the axis (9) of the pipe section. A vertical drive for the lower stopper (8) is provided. A driven swivel wiper (32) serves to remove a tablet of coffee grounds. The upper stopper (7) is solidly attached to the turning arm (29). a single motor (10) with a following power divider (16) is provided for the axial drive and for the pivot drive of the turning arm (29) with the upper stopper (7) as well as the drive of the swivel wiper (32).
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: December 5, 1995
    Assignee: HGZ Maschinenbau AG
    Inventor: Peter Sager
  • Patent number: 5465650
    Abstract: A beverage brewing apparatus which includes a substance dispensing device and a brewing device. The brewing apparatus includes a receptacle for receiving a brewing substance from the substance dispensing device, a movable chute positioned between the substance dispensing device and the receptacle, and a water dispensing system operatively associated with the brewing device and selectively communicating with the receptacle for delivering water to a brewing substance retained therein. Additionally, a drive assembly is provided to operatively displace the water dispensing device relative to the receptacle. When the water dispensing device is positioned in communication with the receptacle, the chute is moved out of communication with the receptacle. When the water dispensing device is removed from communication with the receptacle, the chute is placed in communication with the receptacle.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: November 14, 1995
    Assignee: Bunn-O-Matic Corporation
    Inventors: Brent R. Friedrich, John T. Knepler
  • Patent number: 5463934
    Abstract: Automatic machine for a coffee beverage, deliverable as coffee alone or, combined with milk, in the form of cappuccino, in which the unit, formed by the coffee grinder, its grinding chamber, and a channel chute, is capable of being moved.
    Type: Grant
    Filed: January 26, 1994
    Date of Patent: November 7, 1995
    Assignee: Cimbali S.p.A.
    Inventor: Santino Locati
  • Patent number: 5454293
    Abstract: In an espresso coffee brewing machine (1) the filter-holder box (10) is articulated and can be operated by a user through a mechanical linkage (18, 15, 7) suited to moving it between a first closed position under a hot-water distributor (4) and a second open position in which it is distanced at an angle from said distributor (4) so as to present the filter (12) exposed and tilted towards the user that can load a cartridge of coffee into it (FIG. 1).
    Type: Grant
    Filed: March 2, 1994
    Date of Patent: October 3, 1995
    Assignee: Euromatik S.r.l.
    Inventor: Giuseppe Santi
  • Patent number: 5431088
    Abstract: The machine is paired as concerns the receptacle (8-8') for the batched coffee and the piston (5) and (5') pressing such batches, and the ejector (12-12') in such a way that the pairing allows the machine to make one or two coffees at the same time and indeed three if one of the receptacles (8) or (8') has a double capacity and a double distribution outlet. Each seat or support (4) mounted also to turn with the main shaft (1) has a cavity in which a support (18) is positioned for a filter (19) through which the coffee infusion passes in each case. The angular separation in positioning the receptacles (8-8') is the same as for the pressing pistons (5-5') in order to allow the same to face the receptacles (8-8') simultaneously, the ejectors (12-12') for the cake (13) of used coffee being mounted with the same separation or spacing.
    Type: Grant
    Filed: December 16, 1993
    Date of Patent: July 11, 1995
    Assignee: Azkoyen Hosteleria, S.A.
    Inventors: Antonio M. Cia, Juan I. C. Andueza
  • Patent number: 5408918
    Abstract: An improved tea brewer which can be attached to a coffee brewer and has a tea wiper that connects to the coffee wiper for removing tea leaves from the machine.
    Type: Grant
    Filed: April 22, 1994
    Date of Patent: April 25, 1995
    Assignee: VKI Technologies, Inc.
    Inventors: Brian L. King, Paul A. King
  • Patent number: 5406882
    Abstract: A brewer for providing a single cup of coffee which comprises an outer cylindrical tubular member having an open top and a platform formed on the top. A slidable second cylindrical tubular member reciprocates within the first tubular member along the axis thereof and is provided with a gasket at the top thereof in sealing contact with the inner surface of the first tubular member. A permanent filter is provided at the top of the second cylindrical tubular member. A fixed piston head is located within the second cylindrical tubular member and is fixed relative to the first tubular member. A wiper is provided on the top platform of the first tubular member such that when the filter is in its uppermost position, the wiper can be activated to clean the coffee grounds from the filter. A pour spout is provided in the second cylindrical member which communicates with the fluid once the pour spout is above the level of the piston head.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: April 18, 1995
    Assignee: Shaanan Holdings Inc.
    Inventor: Gad Shaanan
  • Patent number: 5402706
    Abstract: Automatic coffee machine has ground coffee deposited into an infusion chamber, in which it is compressed between an infuser piston and a filter piston. A packing stabilizes the seal between the infusion chamber and the infuser piston. The infuser piston is divided into two parts, with one part sliding into the other part against an opposing spring resistance.
    Type: Grant
    Filed: January 26, 1994
    Date of Patent: April 4, 1995
    Assignee: Cimbali S.p.A.
    Inventor: Santino Locati
  • Patent number: 5399370
    Abstract: A method and apparatus for the continuous countercurrent treatment of roast and ground coffee particles in which a bed of the coffee particles is suspended in an aqueous liquid and the suspended bed is agitated in a manner which facilitates removal of evolved coffee gases from the bed to thereby effect complete, uniform wetting and/or extraction of the coffee grounds. The apparatus comprises a tank in which water flows upward from the bottom and is removed from the top of the tank, with fresh coffee grounds being fed onto the liquid at the top of the tank. Two pairs of interleaved blade assemblies are mounted in the tank for relatively counter rotation to submerge coffee particles into the aqueous liquid and form a bed of suspended coffee particles. A submerging auger, mounted on a central shaft in the tank, facilitates submerging the coffee grounds in the liquid.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: March 21, 1995
    Assignee: Nestec S.A.
    Inventor: Sheng H. Hsu