Abstract: A washing and dehydrating machine includes a circulating passage communicating between interior and exterior of a water tub, warm air generating unit rendering air in the passage warm, an overflow outlet located in the water tub surface, so that water flows through the overflow outlet when a water level in the water tub is increased to or above a level, a drain conduit introduced outside the machine via a drain valve, through which water in the water tub is discharged, an overflow conduit having a lower end connected to the drain valve and communicating with the overflow outlet, and air stopping unit located in the overflow conduit and including a trap cutting off air flow and a water supply unit supplying water to the trap, allowing water to pass through and stopping air flow. The overflow conduit is introduced outside the machine via the air stopping unit.

Abstract: A drum type washing-drying machine includes an air supply opening and an air discharge opening both located in a water tub, a circulation path having both ends connected to the air supply opening and the air discharge opening respectively, and branch paths located between a part of the circulation path where the condenser is located and the air supply opening and/or extending in another part of the circulation path between the evaporator and the air discharge opening. Either air supply or discharge opening is located in an upper part of the water tub front. The circulation path includes a heat exchange section where a condenser and an evaporator are disposed so as to be located below the water tub. The branch paths extend from either air supply or air discharge opening, through a periphery of the opening of the water tub front to the heat exchange section.

Abstract: A clothes dryer includes a water tub, a rotating container located in the tub, a drive unit rotating the container, an air circulation blower circulating air in the tub, and a heat pump formed by circularly connecting an evaporator, a condenser, a compressor, a discharge airflow path leading to the outside of the clothes dryer, an airflow path switching unit switched so as to open the portion between the container and the evaporator in an airflow path in the drying operation, and to open the discharge airflow path in cooling a place where the clothes dryer is placed, an air inlet located in an upper wall between the evaporator and the condenser in the airflow path, an air discharge blower introducing air outside the airflow path from the air inlet to be passed through the evaporator, and a cooling device that cools down the condenser.

Abstract: A drum washing machine has a suspension for supporting a water tub for vibration proof. The suspension includes a cylindrical bearing support, a pair of bearings fixed in the bearing support, a shaft supported on the bearings so that the shaft is linearly reciprocated, a cylindrical friction member damping an amplitude of the water tub and disposed between the bearings so as to be immovable relative to the bearing support, and a lubricant applied between the shaft and the friction member. The friction member has both ends formed with abutment slant faces having outer diameters gradually reduced toward distal ends respectively. A pair of holding members are located in the bearing support for holding the ends of the friction member. Gaps are defined between the friction member and the holding members respectively. A plurality of lubricant reservoirs are defined in the respective gaps to reserve the lubricant.

Abstract: A drum-type washing-drying machine having a drum (4) rotatably provided in a water tub (3); an air supply opening (20) and an air discharge opening (21) arranged at the water tub (3); a circulation path (10) whose both ends are individually connected to the air supply opening (21) and the air discharge opening (21); a heat pump mechanism (12) having a condenser (14) and an evaporator (15) that are arranged in the circulation path (10); and a blower fan (11) placed in the circulation path (10) and circulating air between the circulation path (10) and the water tub (3). The drum-type washing-drying machine has at least either branch paths (22a, 22b) provided between that portion of the circulation path (10) at which the condenser (14) is located and the air supply opening (20) or branch paths (23a, 23b) provided between that portion of the circulation path (10) at which the evaporator (15) is located and the air discharge opening (21).

Abstract: A washing and drying machine comprises a rotating tub (3) with small holes made in its circumferential wall to receive laundry, a water tub (2) provided around the outer periphery of the rotating tub (3) to store water, an air circulating passage (12) for communication between the inside and outside of the water tub (2) for air circulation, a warm air generation unit (40) to make air in air circulating passage (12) warm, an overflow stream outlet (17) provided at the water tub (2) to drain water when the water level of the water tub (2) is higher than a predetermined level. The washing and drying machine is characterized by an air stopping unit (41) provided in a water drain passage (21) communicating with the overflow stream outlet (17) so that water can be supplied and an sir flow can be stopped.

Abstract: A clothes dryer has a heat pump. In drying operation, that portion of an airflow path which is between a rotating container and an evaporator is opened and air in the rotating container is circulated through the airflow path. In cooling the place where the dryer is placed, a discharge airflow path running from that portion of the airflow path which is between the rotating container and the evaporator to the outside of the dryer is opened, and air introduced from an air inlet is passed through the evaporator and discharged from a discharge airflow path, and at the same time, a condenser is cooled by a cooling device.

Abstract: A drum washing machine includes a water tub (10), a rotating tub (14) mounted in the water tub (10) to be rotated about a transverse axis, an elastic support (11) for elastically supporting the water tub (14), and an auxiliary baffle (23) formed on the inner peripheral wall of the rotating tub (14) so as to be close to one of the end plates of the rotating tub and away from the other end plate of the rotating tub (14). The auxiliary baffle (23) extends in a direction of axis of the rotating tub (14). The auxiliary baffle (23) moves laundry in the rotating tub (14) near a center of gravity of a member of vibration system applying load to the elastic support (11).

Abstract: A drum washing machine includes a suspension (7) formed by fixing a pair of bearings (13) in a cylinder (9) fixed to a bottom plate (5a) of a water tub (5) so as to be apart from each other, inserting a shaft (14) fixed to an end (4a) of a base plate (4), and installing a friction member (17) at a distal end of an outer periphery (14c) of the shaft (14) between the bearings (13).

Abstract: A clothes dryer of the dehumidification type is disclosed in which hot air induced by a heater is circulated from a drying compartment through a heat exchanger. A volume, wetness, wetness unevenness, temperature, temperature unevenness of clothes to be dried and the temperature of the hot air blown out of the drying compartment are detected by respective detectors. Results of detection are input to a control device incorporating a neural network. The control device operates in the manner of neurocontrol to control a volume of outside air supplied to the heat exchanger and a heating value of the heater.

Abstract: A thermal-transfer printer includes a carriage arranged for reciprocation along a recording paper and a thermal head movable together with the carriage. On the carriage is mounted a ribbon cassette having a pair of reels and repeatedly usable ink ribbon wound on the reels. The reels are rotated to transport the ink ribbon in a desired direction by a ribbon transport mechanism arranged in the carriage. The operation of the transport mechanism is controlled by a control device.

Abstract: A thermal transfer color printer according to the present invention thermal inkribbon having heat-fusible color materials in a plurality of colors divided in the feed direction, a thermal head which moves relative to a print paper in order to cause the selective thermal transfer of the color material on a thermal inkribbon onto the print paper, and a color sensor for detecting the types of color materials on the thermal inkribbon. The distance in the feed direction of the color material portions of the thermal inkribbon is set at one divided by an integral portion of the standard print width of the print paper, while the distance between the color sensor and the thermal head is set the same as the distance in the feed direction of the color materials portion of the thermal inkribbon.

Abstract: An electrically heated pot for heating the keeping warm a liquid includes a vacuum container having a vacuum region formed between the outer surface of a cylindrical internal tank and the inner surface of an external tank. The internal tank has an opening at one end. A cylindrical reservoir tank for accomodating the liquid to be heated is removably located within the internal tank through the opening. The central portion of the reservoir tank is in close contact with the inner surface of the internal tank, while an end portion thereof opposite the opening is shaped to define with the internal tank a heater mounting room. A thermostatically controlled electric heater is mounted on the surface of the reservoir tank in the heater mounting room and is removable with the reservoir tank through the opening.

Abstract: A balancer for use in a centrifugal rotary machine comprises an annular casing having inside an annular receiving chamber and equipped to the rotary tub coaxially therewith. A low-viscous operating liquid is sealed into the annular receiving chamber so as to be flowable in the circumferential direction of the chamber. The operating liquid flows, as the rotary tub rotates, to the side opposite to that on which the unbalanced load of the rotary tub is located absorb the unbalance of the rotary tub. A plurality of spherical weights are disposed circumferentially and movably in the annular receiving chamber and, as the rotary tub rotates, move to the side opposite to that on which the unbalanced load of the rotary tub is located to absorb the unbalance of the rotary tub.

Abstract: A dryer wherein wet clothing placed in a drying chamber is dried by hot air resulting from the heat generated by an electric heater. The dryer comprises a ventilation fan which draws off air streams from the drying chamber and introduces the same amount of air streams as those thus removed into the drying chamber during a drying cycle. An amount of air streams ventilated by the ventilation fan is set at less than 1 m.sup.3 /min per kilowatt of the heat-generating capacity of the electric heater while the electric heater is operated.