Abstract: A washing machine foot with automatic leveling function comprises: a jacket; an adjusting foot, which is arranged in the jacket and moves axially relative to the jacket; and a flexible assembly, which is arranged in the adjusting foot and is used for accommodating a hydraulic medium; one end of the flexible assembly is mounted in the jacket in a limiting manner, and another end of the flexible assembly is a telescopic end acting on the adjusting foot; and the telescopic end of the flexible assembly extends and contracts under action of the hydraulic medium to drive the adjusting foot to move axially, thereby implementing automatic leveling. According to the hydraulic principle, the washing machine foot is provided with the hydraulic medium, the washing machine feet can automatically adjust adaptively for different pressures due to the fluidity of the hydraulic medium.

Abstract: A method for controlling an expansion valve of a frequency conversion heat pump clothes dryer. The open degree of the valve is adjusted through parameters such as the operation time/power/current at a frequency of the frequency conversion compressor; a reference value of the operation time/power/current at a certain frequency is set, and compared with an actual value of the operation time/power/current at the certain frequency of the compressor; if the actual value of the operation time is less than the set reference value or the actual value of the power/current is greater than the reference value, the open degree of the expansion value is increased; and if the actual value of the operation time is greater than the set reference value or the actual value of the power/current is less than the set reference value, the open degree of the expansion valve is decreased.

Abstract: A household appliance leveling device comprises at least two leveling feet mounted at the bottom of the appliance, wherein each leveling foot comprises a fixed part and a movable part, the fixed part is mounted at the bottom of the household appliance, one end of the movable part is telescopically sleeved with the fixed part while the other end is arranged on a support plane, a closed chamber is formed between the fixed part and the movable part, and the closed chamber is provided with a hydraulic medium; the closed chambers of at least two said leveling feet communicate with each other, the hydraulic medium flows between the closed chambers of the leveling feet communicating with each other, and the movable parts expand or contract along with the flowing of the hydraulic medium to perform automatic leveling.

Abstract: A drainage control mechanism comprises a valve plug capable of being stretchable and retractable, wherein the valve plug moves upwards to close the drainage port of an inner tub, and moves downwards to open the drainage port. A lower end of the valve plug is connected with a link of a crank-link structure, an idle stroke is arranged between the link and a crank, and/or between the link and the valve plug. When the valve plug sticks out but not into the drainage port, the valve plug will stick to the bottom of the inner tub, the driving motor drives the crank or the link to move in the idle stroke. When the driving motor drives to move over the highest point, the driving motor further drives the valve plug to move downwards to reset and to re-enter the next working circle.

Abstract: Cleaning particles for cleaning a tub wall of a washing machine are provided between an inner tub and an outer tub. The cleaning particles are collected into a particle collecting chamber when draining water, and float upwards from a water inlet to be between the inner tub and the outer tub of the washing machine during water feeding. A water draining device comprises a drain valve body, a water inlet and a water outlet. The water inlet communicates with an outlet of the outer tub, the valve body has a particle collecting chamber communicating with the water inlet, a particle filtering structure is between the collecting chamber and the water outlet. The draining device further comprises a water/air access mechanism, the collecting chamber has a port in communication with the water/air access mechanism, and the water/air access mechanism controls water or air flow into the collecting chamber.

Abstract: The inner tub of a washing machine comprises a tub body, a balancing ring at the upper part of the tub body and a tub bottom at the lower part of the tub body. An annular necking structure, whose inside diameter is smaller than that of the tub body, is arranged on the tub body and positioned below the balancing ring, a plurality of dewatering holes are distributed at the necking structure and/or between the necking structure and the balancing ring. A disconnected type filtering cover on the internal wall of the tub body and positioned below the necking structure comprises a main body and an auxiliary block, the auxiliary block is arranged above the main body and below the necking structure and is located at the upper part of the inner tub, and a water passing gap is arranged between the auxiliary block and the main body.

Abstract: A washing machine capable of reducing power consumption comprising: a substantially bottomed cylindrical washing tank; a rotary wing rotatably and freely arranged at a bottom of the washing tank; and a driving unit for rotatably driving the rotary wing by being powered by electricity. The rotary wing is formed in a disc shape and centered on a rotary axis (Ra), and a plurality of stirring blades radially extending towards an outer circumference are arranged on a surface of the rotary wing. A center (Cw) of these stirring blades is set at a position more misplaced towards an outer diameter direction than the rotary axis (Ra), and a protrusion part more protruded towards an axial direction of the rotary axis (Ra) than the stirring blades is arranged at the center (Cw) of the plurality of stirring blades.

Abstract: A locking mechanism of an inner tub comprises a locking rod and a driving unit for moving the locking rod in an axial direction. A lower end of the locking rod is connected with a link of a crank-link structure, and an idle stroke is arranged between the link and a crank and/or between the link and the locking rod. A locking hole is formed in the bottom of the inner tub. When the locking rod sticks out but not into the locking hole, the locking rod sticks to the bottom of the inner tub, the driving motor drives the crank or the link to move in the idle stroke. When the driving motor drives to move over the highest point, the driving motor further drives the locking rod to move downwards to reset and to re-enter the next working circle.

Abstract: A high efficiency vented dryer having a heat pump system comprises an outer drum, an air-intake drying air duct and an air-exhaust drying air duct for allowing the outer drum communicating with outside. The dryer is provided with a heat pump system comprising a first evaporator and a second evaporator arranged in parallel or in series. The first evaporator is arranged in the air-exhaust drying air duct and the second evaporator is arranged in an external atmosphere to absorb heat from the exhaust air and outside, respectively. By arranging the evaporators in the drying air duct and the external atmosphere respectively, the heat pump system can simultaneously or independently absorb heat from the air exhausted by the dryer and from the ambient air of the dryer to heat the intake air by using heat in the exhaust air and heat in the environment to improve drying rate of the dryer.

Abstract: A hydraulic leveling base comprises a bracket which can be used in a combination and connection manner or independently and a leveling foot mounted below the bracket. Above the bracket is a supporting surface for bearing. A hydraulic medium is provided inside the leveling foot and can flow inside the leveling foot and/or between the leveling feet to achieve the leveling. In the present disclosure, the leveling foot is provided below the bracket of the hydraulic leveling base, the hydraulic medium flows inside the leveling foot and/or between the leveling feet, and so the amount of compression of the leveling foot under bigger pressure is large, the leveling foot under smaller pressure can extends by the action of the liquid pressure, and then automatic height leveling can be achieved.

Abstract: Disclosed is a drum washing machine, including: a drum configured in an outer tank and capable of rotating by using an inclination axis as center; a stirring body configured at a rear part of the drum and including main blades in contact with washings; a driving unit enabling the drum and the stirring body to rotate at different rotating speeds; and a water supply mechanism part configured to splash water to a surface of the stirring body. The water supply mechanism part includes a first water storage part capable of moving between a position in water soaked in the outer tank and a position higher than the water and storing water when soaked in water of the outer tank, and a first outflow port capable of enabling water stored in the first water storage part to flow out to the surface of the stirring body at an upper position.

Abstract: In a washing machine, a discharge hole is formed at the bottom of an inner tub, and a discharge control mechanism capable of blocking the discharge hole is arranged at the bottom of an outer tub; the discharge control mechanism includes a stretchable and contractible valve plug; the valve plug moves upward to close the discharge hole; and the valve plug moves downward to open the discharge hole. During washing, the discharge hole is closed, there is no washing water between the inner tub and the outer tub, resulting in the characteristic of water conservation; and during draining and/or dewatering, the first discharge hole is opened, and the washing water in the inner tub and impurities such as dirt and sand from the clothes are discharged via the discharge hole at the lower part to the outer tub, thus achieving quick draining and good draining and contamination discharging effect.

Abstract: An inner tub of a water-saving washing machine comprises a balance ring, a tub body and a tub bottom. An annular block groove which opens downward is arranged inside an upper end of the tub body, the annular block groove is provided with a plurality of drain holes for draining water outside of the inner tub. The balance ring is mounted on the upper end of the tub body and cooperates with the tub body to form the annular block groove. Or, the annular block groove is integrally formed inwardly from an edge of the tub body. Or, an annular bending piece is mounted on the upper end of the tub body, the annular bending piece and the tub body cooperate or the annular bending piece itself constitute the annular block groove.

Abstract: An automatic leveling washing machine includes a shell and a barrel assembly. A bottom plate of the shell has leveling bottom feet with hydraulic medium therein and hydraulic medium flows between leveling bottom feet to execute automatic leveling washing machine. The bottom plate of the shell has mounting grooves for fixing and mounting leveling bottom feet. Hydraulic medium and some gas flows inside each leveling bottom foot or between leveling bottom feet. The amount of compression of the leveling bottom foot which is under bigger pressure is big, and the amount of compression of the leveling bottom foot which is under smaller pressure can still stretch, thereby automatically realizing the leveling of the height. The mounting groove effectively and quickly positions the leveling bottom feet. A circumferential surface of the mounting groove protects the leveling bottom feet and allows high reliability of operation.

Abstract: A washing machine is provided. The washing machine includes an input shaft, configured to supply a rotary power to a rotation part for rotating washings; a motor, configured to rotate in a forward direction and backward direction and served as a power source of the rotation part; and a transmission arranged between an output shaft of the motor and the input shaft of the rotation part. The transmission includes a transformable driving side pulley unit disposed on the output shaft; a transformable driven side pulley unit disposed on the input shaft; and a driving belt for transferring power between the pulley unit and the driven side pulley units. The driving side pulley unit/driven side pulley unit is directly installed on the output shaft/input shaft by locating each end of the output shaft/input shaft at a movable pulley and a fixed pulley respectively, so that the driving side pulley unit/driven side pulley unit rotates integrally with the output shaft/input shaft.

Abstract: A washing machine, in which a control unit for controlling a permanent magnet motor includes: a torque command generation portion for generating a torque command according to a deviation between a command value of a motor rotating speed and an estimated value of the motor rotating speed; a motor driving control portion for converting a deviation between a motor current and a current command value into motor voltage command values so as to drive the motor; and a speed estimator for estimating a motor rotating speed by using motor currents and motor voltages. A load measurement portion is arranged in the washing machine to measure the amount of washings as the load magnitude according to the estimated value of the motor rotating speed estimated by the speed estimator in a state that the command of the torque command generation portion is stopped.

Abstract: A control method of the washing machine with the washing water recycling function, the method comprises the following steps: Step 1, after the washing stage of the washing machine, feeding washing water into the flocculation barrel, step 2, stirring, flocculating and standing for layering in the flocculation barrel, step 3, refluxing flocculated clean recycling water into the washing barrel, discharging sewage with residual floc, step 4, feeding the tap water into the washing barrel till reaching the rinsing water level, step 5, performing rinsing. In the step 4, before feeding tap water into the washing barrel, it is determined whether or not the washing water inside the washing barrel reaches the rinsing water level L4. If yes, executing step 5. If no, executing step 4 until the rinsing water level L4 is reached.

Abstract: A washing machine is provided. The washing machine adopts an induction motor to achieve efficient operation as that achieved by using a frequency converter. The washing machine includes: an input shaft configured to supply rotation power to a rotation part that rotates washings; an induction motor, configured to rotate in a forward direction and a backward direction and served as a power source of the rotation part; a transmission-arranged between an output shaft of the induction motor and the input shaft of the rotation part. The transmission is configured to change speed of the induction motor by decreasing a reduction ratio along with startup of the induction motor.

Abstract: A drying machine includes a liquid accumulator, a circulating pump, a radiator tube and a heat absorber tube connected sequentially through pipelines. A radiator housing is provided outside the radiator tube. A heat absorber housing is provided outside the heat absorber tube. A condenser is arranged between the radiator housing and the heat absorber housing. The radiator housing is connected with an air inlet, and the heat absorber housing is connected with a return air inlet. Energy storage material is driven by carrier liquid to flow along the pipelines.

Abstract: The bottom of a washing machine is provided with feet that compromise a fixed part and a movable part, and a hollow chamber is formed between the fixed part and the movable part. The hollow chamber is provided with a hydraulic medium. The feet are connected by high-pressure oil pipes, to communicate hollow chambers of the feet. Under the action of pressure, the hydraulic medium can be circulated between hollow chambers of connected feet to realize the expansion and contraction of the movable part, to execute automatic leveling. Under different pressures, the foot is made to automatically adjust adaptively due to the fluidity of the hydraulic medium. The hydraulic medium can flow between the feet, so the adjusting range is larger and can achieve better results.