Abstract: A top cover locking system and a method for a boiling clothes washing machine includes a microcomputer for controlling the operation of the system. A heater boils the washing water along with clothes to be washed. A top cover locking system is provided with a switch for detecting the opening/closing of the top cover. The detected signal is applied to the microcomputer, and a solenoid valve locks or releases the top cover according to the control signal from the microcomputer during the boiling wash and dehydrating modes, thereby preventing accidents and promoting thermal efficiency.

Abstract: A safety control system and method for a boiling clothes washing machine has a number of paired washing water temperature detecting devices and heater temperature detecting devices, for accurately detecting the actual temperature of wash water so it will have a sufficient boiling effect on clothes to be washed and for preventing a heater from over-heating.

Abstract: A safety control system for a boiling clothes washing machine has paired wash water temperature detecting devices and heater temperature detecting devices, for accurately detecting and controlling the temperature of the wash water, and for preventing the heater from overheating. One embodiment of the system, for use in a washing machine including a wash water heater, includes a first water temperature detector for detecting the temperature of wash water by means of direct contact with the wash water; a second water temperature detector for detecting the temperature of wash water by means of direct contact with the wash water; and a circuit, responsive to the second water temperature detector, for controlling the operation of the heater during an abnormal operation of the first water temperature detector.

Abstract: A water feeding control method for use in a boiling clothes washing machine having a heater for processing clothes with hot water and control for the proper use of warm and cooling water. The water feeding control method includes a step of determining whether either one of wool and boiling wash modes is selected, at least one routine of checking the possibility of the water feeding, sensing the temperature of wash water fed through warm and cooling water feeding valves and storing the sensed temperature in a memory of the control system, and a routine of selecting a water feeding valve suitable for a wash mode based on the resulting data obtainable from the routines.

Abstract: A washing method for a boiling clothes washing machine having a heater which provides a method for dissolving enzyme detergent in washing water. The washing water is heated to a temperature for activating the enzyme detergent, and then the clothes to be washed are drenched. Another method for dissolving the enzyme detergent in the washing water is to heat the washing water along with clothes to the boiling point, thereby obtaining sterilization, deodorization and bleaching. This method reduces the amount of washing water to be supplied and also reduces the washing time.