A method of regulating the refrigerant temperature for a beverage machine, including a refrigeration system for producing a frozen beverage, operating at least one compressor at a speed to flow the refrigerant through the refrigeration system of the beverage machine and cooling the refrigerant with at least one condenser. The method may also include controllably varying the flow of air across the at least one condenser or the speed of the at least one compressor.

Refrigeration system and method for beverage dispenser

A control device for an auger type ice making machine according to the present invention includes a driver circuit that drives a geared motor for rotating an auger; a voltage detector that detects an input voltage applied to the geared motor; a current detector that detects a motor current flowing in the geared motor; and a control circuit in which a plurality of current threshold values that differ according to the input voltage are set in advance, the control circuit controlling the driver circuit so as to stop the geared motor when a value of the motor current detected by the current detector exceeds a current threshold value that corresponds to the value of the input voltage detected by the voltage detector.

Control device for an auger type ice making machine

Beverage dispensing apparatus and method for beverage dispensing

The invention discloses a method and a structure for automatically detecting the water intaking state of an ice-making device of a refrigerator. The method comprises the operating steps of (a) detecting the work current value of a water pump of the ice-making device; (b) judging the ice-making device is in a normal water sufficiency state, a state in which a water tank is subjected to water shortage or a state in which a water inlet pipe is subjected to ice blockage according to the work current value of the water pump, detected in the step (a); and (c) feeding the judgment results of the water shortage state and the ice blockage state obtained in the step (b) back to a consumer. After the method and the structure are adopted, the water intaking state of the ice-making device of the refrigerator can be automatically detected, and the detection results can be fed back to the consumer in time, so that the ice-making device of the refrigerator can be very conveniently used by the consumer.

Method and structure for automatically detecting water intaking state of ice-making device of refrigerator

PROBLEM TO BE SOLVED: To dispense with many troublesome operations required for formation of a wear-resistant journaling portion on each of upper and lower shaft portions constituting an auger for an ice maker, which is indispensable in the conventional auger for the ice maker, to reduce the man-hours of processing by constituting the auger for the ice maker so that the formation of the journaling portion on each of the upper and lower shafts can be eliminated.SOLUTION: An auger body 21 constituting the auger 20 for the ice maker is formed from non-precipitation hardening stainless steel (SUS304), and an upper end-side shaft portion 22 and a lower end-side shaft portion 23 are formed from precipitation hardening stainless steel (SUS630H900) which has high strength and high hardness, compared with the auger body 21. The upper end-side shaft portion 22 and the lower end-side shaft portion 23 are frictionally pressure-welded to the respective ends of the auger body 21. Since each shaft portion 22, 23 is high in strength and hardness, itself can be made to function as a journaling portion.

Auger for ice maker

PROBLEM TO BE SOLVED: To provide a locking preventing unit of an auger type icemaker which prevents the icemaker from being locked while an icemaking capability is maintained without stopping icemaking. SOLUTION: The auger type icemaker comprises a bypass passage 26 provided between a discharge tube 21a and a suction tube 21b of a compressor 21 for constituting a refrigerating circuit of the icemaker to circulate a high- pressure side hot gas to a low-pressure side, a solenoid valve 27 provided at the passage 26, and an ammeter 29 provided at a geared motor 25 for driving an auger to sense an overcurrent value corresponding to an overload to the motor 25. Thus, when the overcurrent value is sensed by the ammeter 29, the hot gas of the high-pressure side is controlled to be circulated to the low- pressure side via the passage 26 by the valve 27 in response to the sensing of the ammeter 29.

Auger type icemaker

PROBLEM TO BE SOLVED: To provide an ice melting heater control device for inhibiting the wasteful power consumption of an ice melting heater while securing the continuous supply of ice and preventing the clogging of ice in advance, in an auger-type ice machine. SOLUTION: A rotating frequency of an induction motor 31 is controlled in such manner that the higher the probability of the ice clogging in a pressing head mounted in a tip part of an ice making cylinder 10 is, the lower the rotating frequency is determined, and the lower the probability of the ice clogging is, the higher the rotating frequency is determined, a threshold value determined as a boundary value between a range of high probability of ice clogging and a range of low probability, of the rotating frequency is compared with a result of the detection by a rotating frequency sensor 90 detecting the rotating frequency of the induction motor 31, and the power is supplied to the ice melting heater 40 mounted on the tip part of the ice making cylinder 10 from an AC power source PS, when the result of detection is less than the threshold value, and the power supply is stopped when the result of detection is more than the threshold value. COPYRIGHT: (C)2004,JPO

Ice melting heater control device for auger-type ice machine

PROBLEM TO BE SOLVED: To provide a method of manufacturing a rotary shaft that can improve strength of a weld zone in which members are friction-welded to each other. SOLUTION: Three solid round bars are prepared as auger members, respectively as a main body member 41, an upper shaft member 42, and a lower shaft member 43. End surfaces of the members are coaxially joined together by friction welding. Turning machining is then performed by using a lathe, forming a helical blade 31a, a spline 33a, and the like. In addition, burnishing is performed on a corner portion 35 that includes an outer circumferential edge 34a of a joining surface 34 where friction welding is performed, and another corner portion 37 that includes an outer circumferential edge 36a of another joining surface 36 where friction welding is performed, The burnishing is performed by pressing a roller 55, which is freely rotatable around a roller support shaft center 54 of a Superoll (R) 50, in the direction of the arrow A, toward the corner portions 35, 37 of the rotating auger. Roller burnishing may also be performed two times on the same location, with a predetermined time interval therebetween. COPYRIGHT: (C)2005,JPO&NCIPI

Method of manufacturing rotary shaft

PROBLEM TO BE SOLVED: To prevent double ice making, and to shorten deicing time. SOLUTION: During ice making operation, a refrigerant is supplied to a steam generating tube 14, and a circulating pump 40 is operated to supply ice making water 24 to an ice making face 32 of an ice making plate 12 via an ice making sprinkler tube 34. When the ice making operation is finished, the circulating pump 40 is stopped, and a hot gas valve HV is opened to supply hot gas to the steam generating tube 14. A water supply valve 46 is opened to supply deicing water to a rear face 28 of the ice making plate 12. When a thermometer 52 for deicing detects an ice making water supply temperature, the circulating pump 40 is operated to start supply of the ice making water to the ice making face 32, and ice 16 remaining on the ice making face 32 is promptly separated and dropped by the ice making water 24. COPYRIGHT: (C)2006,JPO&NCIPI

Operating method for flow down type ice maker

PROBLEM TO BE SOLVED: To provide a control device of an auger type ice making machine which can determine an overloaded state accurately, even if the value of input voltage changes, and can control the operation of a geared motor. SOLUTION: A plurality of current threshold Ith which is different, corresponding to the input voltage of the geared motor 4, are set beforehand for a control circuit 6; the control circuit 6 selects the current threshold Ith, corresponding to the input voltage detected by a voltage detector 7; and when a motor current, detected by a current detector 8, exceeds this current threshold Ith, the control circuit controls a drive circuit 5 to make the geared motor 4 stop.

Mizutani Yasuoki

Papers

Auger type icemaker

Ice melting heater control device for auger-type ice machine

Method of manufacturing rotary shaft

Operating method for flow down type ice maker

Control device of auger type ice making machine