EP0060281A1 - Vehicule de distribution de produits de confiserie - Google Patents

Vehicule de distribution de produits de confiserie

Info

Publication number
EP0060281A1
EP0060281A1 EP81902618A EP81902618A EP0060281A1 EP 0060281 A1 EP0060281 A1 EP 0060281A1 EP 81902618 A EP81902618 A EP 81902618A EP 81902618 A EP81902618 A EP 81902618A EP 0060281 A1 EP0060281 A1 EP 0060281A1
Authority
EP
European Patent Office
Prior art keywords
confection
distribution vehicle
vehicle according
compressor
beater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP81902618A
Other languages
German (de)
English (en)
Inventor
Peter Hatziorfanos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HATZIORFANOS Elizabeth
Original Assignee
HATZIORFANOS Elizabeth
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HATZIORFANOS Elizabeth filed Critical HATZIORFANOS Elizabeth
Publication of EP0060281A1 publication Critical patent/EP0060281A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
    • A23G9/00—Frozen sweets, e.g. ice confectionery, ice-cream; Mixtures therefor
    • A23G9/04—Production of frozen sweets, e.g. ice-cream
    • A23G9/22—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups
    • A23G9/28—Details, component parts or accessories of apparatus insofar as not peculiar to a single one of the preceding groups for portioning or dispensing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
    • B60P3/007—Vehicles adapted to transport, to carry or to comprise special loads or objects for delivery of small articles, e.g. milk, frozen articles

Definitions

  • the invention relates to a confection distribution vehicle and in particular to a vehicle which is suitable for the transport of frozen confections, such as ice creams and iced drinks, to arbitrary selling points for distribution and sale to members of the public.
  • confection distribution vehicles have been used to patrol streets in search of customers, and are usually provided with some audible signalling device to notify the presence of the vehicle and to attract custom.
  • This mode of use necessitates an internal energy source for the refrigeration and dispensing equipment carried by the vehicle, which source of energy is operable while the vehicle is in motion and which will continue in use during frequent stops of short duration as it is not practicable, even if one were available, to connect the equipment to an external source of energy.
  • Some known confection distribution vehicles have been provided with equipment to store and dispense frozen confection, such as that known as soft ice cream.
  • the frozen confection is stored in a refrigeration chamber and kept at the desired consistency by a rotary beater which also served to force the frozen confection from the refrigeration chamber through a dispensing nozzle on activation thereof.
  • the apparatus has included refrigeration equipment comprising an evaporator located in or around the refrigeration chamber.
  • the source of energy for the refrigeration and dispensing equipment has been an internal combustion engine, which is separate from the engine of the vehicle.
  • the internal combustion engine has been arranged to drive an alternator to provide electric power to operate the equipment.
  • the known arrangement has limitations and normally the known type of vehicle has been restricted to a single confection dispensing device.
  • the known equipment was required to operate under a wide range of conditions entailing the removal of a variable amount of heat from the refrigeration system of the dispensing device. For example, during spells of high temperature or heavy customer traffic, the large amount of heat that had to be removed from the system overtaxed the refrigeration system commonly employed. It often happened that, even after dispensing as few as eight to ten ice creams, the dispensing equipment failed to operate properly and the dispensed confection was not properly prepared, was not properly frozen and, being more milk, than ice cream, was unsuitable for sale.
  • a confection distribution vehicle having at least one frozen confection dispensing device, each said device comprising
  • a refrigeration chamber to store frozen confection
  • a dispensing nozzle from said chamber through which frozen confection may be dispensed
  • a beater in said refrigeration chamber operable to maintain the frozen confection at the desired consistency and to expel frozen confection through the nozzle on activation of the dispensing mechanism therefor
  • a refrigeration system including an evaporator located in or around the refrigeration chamber, a condensor and a compressor, an internal combustion engine for driving the beater (s) and the compressor (s) through a mechanical transmission and means to control the selective operation of the beater(s) and the compressor(s).
  • the mechanical transmission may take the form of belts and pulleys or gears or at least one component may be driven hydraulically by means of a hydraulic motor.
  • Selective operation of the beater (s) and the compressor (s) is achieved by electrically operable clutches regulated by the control means.
  • a confection distribution vehicle may sometimes be used among a crowd of potential customers, such as at a sports meet or at a children's picnic. On such occasions, a confection distribution vehicle may remain stationary for several hours and it would then be desirable to be able to power the dispensing and refrigeration equipment from a convenient external source of energy such as the mains power supply. Furthermore, the prior vehicles were not permitted to operate at food markets due to the emission of fumes from the internal combustion engine.
  • it is an object to provide at least one electric motor as an alternative and additional energy source for the dispensing and refrigeration equipment when the vehicle is stationary for an extended period at a location with accessible electricity.
  • Other preferred objects include the provision of means to supply hot water and the provision of a supplementary heater to warm chocolate or the like.
  • Figure 1 is a schematic plan view of a confection distribution vehicle, with the roof of the rear section omitted to illustrate the general layout of the various components;
  • Figure 2 is a side, partly sectional, view of the vehicle taken along the line 2 - 2 of Figure 1;
  • Figure 3 is a plan view taken along the line 3 - 3 of Figure 2 illustrating the driving components
  • Figure 4 is an end view taken along the line 4 - 4 of Figure 3 illustrating the mechanical transmission
  • Figure 5 illustrates the means for heating the water in the storage tank
  • Figure 6 illustrates the means for supplying heat to a supplementary heater
  • Figure 7 illustrates the refrigeration circuits for the two confection dispensing devices and for an ancillary refrigerator.
  • Figures 1 and 2 illustrate a confection distribution vehicle with an engine housing 1, a driving cabin 2 with access 3 to a rear section 4 having a front wall 5, a rear wall 6 and two side walls 7 and 8.
  • the apparatus is arranged in the rear section 4 so that service may be provided at side 8.
  • the rear section 4 of the vehicle has a bench 9 extending longitudinally of the vehicle along side 8 and a serving hatch 10 which has a closure member (not shown) which can be conveniently positioned away from the hatch opening to provide access for potential customers and allow unimpeded passage for service.
  • a shelf 11 extends transversely of the vehicle adjacent the rear wall 6 and supports two confection dispensing devices 12 and 13, the former being adapted to dispense soft ice cream and the latter a frozen drink confection.
  • an internal combustion engine 14 Positioned in the rear section 4 of the vehicle adjacent the rear wall 6 and beneath the shelf 11 is an internal combustion engine 14 which is connected through mechanical clutch 15 to a mechanical transmission including a number of belts and pulleys from which various components are drawn.
  • the internal combustion engine is started with the mechanical clutch 15 in its disengaged position and clutch 15 is arranged to be operated through rear access doors 16 and 17.
  • the other controls for the internal combustion engine 14 are also located so that they may be conveniently operated through the rear access door 16 and 17.
  • the output from the internal combustion engine is a continuation of the crankshaft of the engine although it may be in driven relation therewith.
  • the internal combustion engine is provided with a governor which operates to maintain optimum engine revolutions as the load varies when the various driven components of the equipment operate.
  • the internal combustion engine could be air cooled, it is preferred that it is water cooled and, as illustrated in Figure 5, the heated water from the cooling system of the internal combustion engine 14 is passed by pipes 18 to a heat exchange coil 19 located in an insulated hot water storage tank 20 of, say, twelve gallon capacity.
  • the circulation of the heated water from the engine cooling system through pipes 18 and coil 19 may be assisted by the inclusion of a water pump (not shown), if desired.
  • waste heat from the internal combustion engine 14 may be used to heat the water in the storage tank 20 to provide a supply of hot water for washing purposes.
  • the outlet from the storage tank is fed by a water pump 21 to tap 22 located above sink 23.
  • the hot water in the storage tank 20 is also used to supply heat to a supplementary heater 24.
  • a supplementary heater 24 This is achieved as shown in Figure 6 by hot water from the storage tank 20 being circulated by water pump 21 through a control tap 25 to a heating coil 26, located in jacket 27 of supplementary heater 24, and thence back to storage tank 20.
  • the supplementary heater 24 is used to heat container 28 of, say, chocolate which is thus maintained in melted condition and which may be used to provide a chocolate coating on an iced confection plunged therein.
  • the amount of hot water passing through the supplementary heater 24 can be controlled by tap 25, the construction of the supplementary heater ensures that the contents of container 28 are kept at an even temperature and do not burn.
  • the internal combustion engine 14 is used to provide the necessary energy to drive the various components whilst the vehicle is in motion and during short selling stops. However, when the vehicle is to remain stationary for an extended length of time, say, several hours and is conveniently positioned in relation to a mains electric supply, it is preferable to use the latter supply. To achieve this, two electric motors 29 and 30 are provided. When the electric motors are operating, the internal combustion engine 14 is isolated by the mechanical clutch 15 so that it is not driven by the electric motors. When the vehicle is connected to the mains electricity supply, the internal combustion engine 14 is not operating and the water in storage tank 20 is then heated by a supplementary electric heater 31 of, say, 2 K.V. loading which is powered from the mains supply. The heater 31 is provided with a thermostat 32 to control the temperature of the water in the storage tank 20. The water pump 21 is connected in the transmission in that it operates continuously while either the internal combustion engine, or the electric motors, is operating.
  • the rear section 4 is provided with a light which may be powered from the vehicle accumulator or the accumulator for internal combustion engine 14. Additionally, switching means may be provided so that light is powered from the mains electric supply via a suitable transformer and rectifier.
  • each device has a mixing chamber into which the product mixture is fed - and which is in communication with a refrigeration chamber into which the product mixture is pumped and is frozen, but which is kept moving by a rotatable beater mounted for movement in the the refrigeration chamber.
  • the beaters are driven by pulleys 33 and 34.
  • the rotating beater also urges the frozen confection towards a dispensing nozzle at one end of the refrigeration chamber, through which nozzle, on activation of the dispensing mechanism therefor, frozen confection is forced to fill a cone, cup or other container.
  • each confection dispensing device has a four position manual function switch to determine the mode of operation of the device. In one position, the confection dispensing device is switched off.
  • the dispensing device In a second position, the dispensing device operates in its conservation mode. Initially, both the beater and the compressor commence operation together. It is important that the refrigeration system does not run for any length of time without the beater operating as hard freezing of confection in the refrigeration chamber is to be avoided.
  • the beater and the compressor operate together and intermittently under the control of a thermostat to keep the confection in the refrigeration chamber at a chill temperature (e.g. 17oF.).
  • the temperature of the evaporator gas is taken as a measure of that of the confection.
  • the dispensing device works in the same way as a domestic refrigerator, serving to preserve the confection. Thus, for example, it may be desired to leave the confection in the dispensing device overnight rather than clean out the device.
  • a pump in the dispensing device feeds a small quantity of the product mix into the refrigeration chamber and it is possible to start dispensing of, say, two or three ice creams almost immediately.
  • the confection dispensing device In a third position of the function switch, the confection dispensing device is in its dispense mode of operation wherein the beater is always r.inning.
  • the chill thermostat is by-passed and the compressor operates intermittently under the control of a second thermostat to keep the refrigeration chamber at a freeze temperature (e.g. - 34°F.).
  • the control means In determining when the compressor operates, the control means has regard for both the temperature and the viscosity of the confection in the refrigeration chamber as well as both the internal and external temperatures of the vehicle.
  • product mix is pumped into the refrigeration chamber gradually until it is filled and as confection is dispensed.
  • the equipment is ready for normal dispensing after approximately two minutes after switching on the device.
  • the confection dispensing device In the fourth position of the function switch, the confection dispensing device is in its cleaning mode wherein the beater runs continuously and the compressor is always inoperative.
  • the dispensing device can be emptied and cleaned with cold water and any ice cream taken from the device stored in a refrigerator.
  • the refrigeration circuits for the confection dispensing devices 12 and 13 each comprises a compressor 36, a pressure line 37, a condensor 38, an expansion valve 39, an evaporator 40 and a suction line 41 which passes through the mixing chamber to provide preliminary cooling for the product mix before returning to the compressor 36.
  • Each refrigeration circuit also includes a filter 42 and an inspection glass 43.
  • the evaporator is formed as a coil and is located within, or maybe passed around, the refrigeration chamber.
  • an additional evaporator 40 1 is connected in parallel with evaporator 40.
  • the evaporator 40 1 serves to cool refrigerator 44, located in the rear section 4 adjacent side 7.
  • Refrigerator 44 can be used to store soft drinks and the like.
  • the two refrigeration circuits with parallel connected evaporators 40 and 40 1 have their own controls so that they can operate independently.
  • the condensor unit 38 is in front of door 17 located at the rear of the vehicle. Air is drawn through the condensors for cooling purposes by at least fan 45 and supplementary condensor fan 46.
  • engine fan 47 In addition to engine fan 47, there is also a supplementary engine fan 48.
  • each door 16 and 17 is provided with a mesh covered duct or aperture of substantial extent so as to provide a free passage for the expulsion of air drawn over the equipment by the fans. Not only does the current of air serve to cool the internal combustion engine 14 and condensor unit 38, it forms an insulating barrier around the confection dispensing devices 12 and 13 which stops penetration of heat and permits the confection dispensing devices 12 and 13 to operate more effectively.
  • fans 45, 46 and 48 are driven by the internal combustion engine 14 through an alternator 49 or from the mains electricity supply.
  • the engine fan 47 operates when the internal combustion engine 14 is operating.
  • Supplementary engine fan 48 is brought into operation by the control means 54 when the engine rises to a predetermined temperature.
  • Condensor fan 45 is caused by the control means 54 to operate whenever a compressor is operating while supplementary condensor fan 46 is brought into operation when the temperature of the condensor unit 38 rises to a predetermined temperature.
  • control means 54 To feed the necessary information to the control means 54, it is provided with a plurality of sensors to measure the temperature of the confection in each refrigeration chamber (taken as the temperature of the evaporator gas), the temperature of the internal combustion engine 14, the temperature of the condensor unit 38, and the external temperature of the vehicle. Even when internal combustion engine 14 is not operating, the engine sensor is still effective to measure the internal temperature of the vehicle. Viscosity switches operated by the respective beaters are used to control the operation of the equipment in accordance with the viscosity of the confection.
  • the mechanical transmission from the internal combustion engine 14 and the electric motors 29 and 30 is illustrated in Figure 4 and comprises a series of belt coupled pulleys.
  • Pulleys 50 and 51 which drive the respective compressors, and pulleys 52 and 53 in the drive to the beater pulleys 33 and 34, respectively, are provided with electrically operated clutches and the control means 54 switch the components into operation according to the functional mode of operation of the confection dispensing devices 12 and 13 and the information fed to it by the various sensors.
  • Beater pulley 33 of device 12 is driven via pulleys and belts. However, for convenience of location, it is preferred that beater pulley 34 of device 13 is driven by hydraulic motor 55.
  • the hydraulic circuit comprises an hydraulic pump 56 driven from pulley 53, regulator 57, motor 55 and oil reservoir (not shown).
  • the pump 56 is adapted to supply fluid at a predetermined pressure, such as 800 p.s.i., to the motor 55.
  • a predetermined pressure such as 800 p.s.i.
  • the line from the pump may be run at approximately twice that pressure and passes from the regulator 57 to motor 55 with any bled fluid returning to the oil reservoir together with the fluid from the outlet of motor 55.
  • the two compressors 36 are also driven via pulleys and belts.
  • the mixing chambers of the confection dispensing devices are charged with the appropriate product mix.
  • the internal combustion engine 14 is started and the mechanical clutch engaged.
  • water from its cooling system begins to circulate through pipes 18 and heat exchange coil 19 to heat water in tank 20.
  • the water pump 21 operates continuously, it pressurises the hot water tap 22 and causes water to circulate to heat the supplementary heater 24.
  • the function switches on the confection dispensing devices 12 and 13 are adjusted, and the vehicle is ready for use.
  • control means 54 When connected to the mains supply, the control means 54 firstly operates to start the two electric motors 29 and 30 sequentially - with an approximate four seconds delay - as the power drain would be excessive if both motors were started at the same time.
  • the control means 54 also serves to connect the other components such as the electric heating element and the fans to the mains supply. The operation of the equipment is much the same as when the internal combustion engine 14 is operating.
  • the control means cause the confection dispensing devices to operate effectively to enable proper dispensing quickly and continually despite large variations in the atmospheric conditions, the internal temperature of the vehicle and customer traffic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Transportation (AREA)
  • Confectionery (AREA)

Abstract

Le vehicule est dote dans sa section posterieure (4) d'un guichet de vente (10) permettant de distribuer des produits de confiserie congeles provenant de deux dispositifs de distribution refrigeres (12 et 13) et des boissons froides provenant du refrigerateur (44). L'equipement est concu de maniere a pouvoir etre entraine au moyen d'une transmission mecanique par un moteur a combustion interne (14) de maniere telle que le vehicule puisse etre utilise pour se deplacer jusqu'aux differents points de vente. En outre, des moteurs electriques sont prevus pour entrainer l'equipement lorsque le vehicule se trouve a l'arret a un emplacement pourvu de courant electrique. Des moyens de commande (54) reglent le fonctionnement selectif des batteurs dans les chambres de refrigeration des dispositifs de distribution, des compresseurs dans leur equipement de refrigeration associe et d'une serie de ventilateurs faisant circuler l'air autour de l'equipement et au travers de la section posterieure (4) du vehicule. Le moyen de commande (54) est sensible a la temperature et a la viscosite du produit de confiserie a l'interieur des chambres de refrigeration des dispositifs de distribution du produit de confiserie, ainsi qu'aux temperatures exterieure et interieure du vehicule, cette disposition permettant de porter au maximum le rendement des dispositifs de distribution de produits de confiserie et d'optimiser leurs conditions de fonctionnement. Le fluide provenant du systeme de refroidissement du moteur a combustion interne (14) au travers d'un echangeur thermique, ou un element de chauffage electrique, est utilise pour chauffer de l'eau dans un recipient de stockage d'eau, cette eau alimentant le robinet (22) au-dessus de l'evier (23) au moyen d'une pompe a eau fonctionnant en continu, et circulant pour chauffer un dispositif de chauffage d'aliments (24).
EP81902618A 1980-09-23 1981-09-21 Vehicule de distribution de produits de confiserie Withdrawn EP0060281A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK570280 1980-09-23
AU5702/80 1980-09-23

Publications (1)

Publication Number Publication Date
EP0060281A1 true EP0060281A1 (fr) 1982-09-22

Family

ID=3775350

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81902618A Withdrawn EP0060281A1 (fr) 1980-09-23 1981-09-21 Vehicule de distribution de produits de confiserie

Country Status (3)

Country Link
EP (1) EP0060281A1 (fr)
IT (1) IT1167985B (fr)
WO (1) WO1982000944A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2144944B1 (es) * 1998-02-24 2001-01-01 Perez Diaz Jose Gerardo Vehiculo automovil adaptado para la venta itinerante de helados, bebidas frias, masas de harina horneadas y otros alimentos.
ITVR990069A1 (it) * 1999-09-07 2001-03-07 Leonardo C G Srl Modulo per la produzione e conservazione di gelato e bibite finalizzato alla vendita al minuto itinerante.
GB2448679B (en) * 2007-02-06 2009-08-19 Simon Lawrence Vehicle Comprising Ice Cream Apparatus Powered By Alternating Current
IT201800002365A1 (it) * 2018-02-02 2019-08-02 Ali Group Srl Carpigiani Macchina e metodo di trattamento di prodotti alimentari liquidi o semiliquidi.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236060A (en) * 1962-07-09 1966-02-22 Sweden Freezer Mfg Co Self-sufficient mobile dispensing freezer
GB2081743B (en) * 1980-07-31 1984-06-27 Spirig Ernst Cooling electrolysis apparatus generating gases

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8200944A1 *

Also Published As

Publication number Publication date
IT1167985B (it) 1987-05-20
IT8109522A0 (it) 1981-09-22
WO1982000944A1 (fr) 1982-04-01

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Inventor name: HATZIORFANOS, PETER