1612results about How to "Smooth circulation" patented technology

Provided are a delivery system that is useful in delivering a double-stranded ribonucleic acid that functions in gene silencing in glomeruli, particularly in mesangial cells and the like, to the tissue or cells, and the like. A polyion complex in the form of a non-polymeric micelle consisting of a double-stranded ribonucleic acid and a block copolymer represented by the formula (I) or (II) below, which are electrostatically bound together, wherein the polyion complex has an average particle diameter of less than 100 nm as measured by a dynamic light scattering measuring method:

wherein each symbol is as defined in the specification.

Spacers 26 each of which has a concave surface 27 complementary to the spherical surface of a ball 25 at each end thereof are disposed at areas between the adjacent balls 25, 25. A ball circulation mechanism comprises; a through hole 15 which extends in parallel to an axial line 4 of the ball nut 12 inside a thick wall part 14 of the ball nut 12; and adapters 23, 24 having open ends 23a, 24a provided with tongue portions 23c, 24c for scooping up or returning balls 25 between a ball screw groove 11 of a ball shaft 10 and a ball screw groove 13 of the ball nut 12, and the other open ends 23b, 24b being connected to be in communication with the through hole 15, and each adapter being fitted into recesses 16, 17 provided on both axial ends in the thick wall part 14 of the ball nut 12. Therefore, there is no need of upsizing a ball screw, and thus a compact ball screw which has a high load-carrying capacity and is suitable for a reciprocating movement can be provided.

A heating cooker including a cooker body having a cooking chamber and a convection heating unit. The convection heating unit includes a convection heater to generate heat, a convection fan to forcibly move the heat generated from the convection heater into the cooking chamber, a convection motor to drive the convection fan, and a convection housing to receive the convection heater and the convection fan. The convection heater and the convection fan are linearly arranged within the convection housing, to allow air introduced into the convection housing to move from the convection fan to the convection heater. This configuration is effective to restrict the transfer of heat from the convection heater to the convection motor.

A cooking vessel with a unique adjustable ventilation system for cooking various foods and obtaining desired tastes. The cooking vessel has a lid and a base with a free standing rack located in the bottom of the base. The lid is designed with an ventilation system that traverses an upper ventilation cap with either a lower ventilation cap or, alternatively, a recess to enable the positional alignment of ventilation holes in the upper ventilation cap to the ventilation holes in the lower ventilation cap or, alternatively, recess to permit the proper degree of steam to be released from the cooking vessel while retaining the proper amount of moisture to effectively cook the food.

The invention discloses a pair of universal air-conditioning leather shoes, relating to an article for daily use. Dense and fine artificial pores are formed on the outer, middle and inner layers of each upper by laser puncturing; the three layers are communicated with each other to evaporate the moisture and odor gas in each shoe; dense communicated vent holes are formed on each insole; dense vent holes on the bottom surface of each shoe are connected with a grid-shaped air channel in the middle of each shoe, so that moisture and odor gas in each shoe can flow smoothly; grid-shaped shielding bars at the side periphery of each sole has an air permeating function; and a water-proof slide fastener on each shoe can prevent water from flowing into each shoe. The universal air-conditioning leather shoes are capable of adjusting the temperature, cooling in summer and warming in winter, heightening and damping, and are dry, air-permeable, odorless and comfortable.

The invention discloses a dishwasher, which includes a filter rotarily provided for filtrating washing water, thereby minimizing the filter clogging phenomenon because that the dirt clings at part of the filter, so that the wash water can smoothly circulate and the washing performance of the dishwasher can be improved. And, when a washing pump is used to drive, the wash water for filtrating in the filter is sucked from a slope preset angle direction of the flank of the filter; and a rotary reinforcing rib rotating by the flowing of wash water produced when the washing pump is used to drive is formed in the filter, accordingly the invention has a simple structure and easy adoption.

The image forming apparatus comprises: an ejection head which includes a plurality of nozzles to eject a liquid to deposit the liquid on a recording medium being conveyed relatively to the ejection head to form an image on the recording medium; a tank which stores the liquid to be supplied to the nozzles and has an adjustable internal pressure; a liquid supply path which connects the tank and the ejection head; a cap which faces a nozzle face on which the nozzles of the ejection head are formed; a liquid collection path which is capable of connecting the cap and the tank; and a liquid circulating device which is provided on the liquid collection path, collects the liquid in the ejection head through the cap, circulates the liquid to the tank along the liquid collection path, and adjusts the internal pressure of the tank to a desired value.

Provided is a water cooling type cooling jacket for an electronic device including a pouch body formed of a soft, loose elastic material that is deformable to closely contact heat-generating elements having various shapes due to a contact pressure and accommodating and a coolant, and a coolant inlet tube and a coolant outlet tube formed at one side of the pouch body to allow the coolant to circulate inside the pouch body and connected to coolant circulation lines for circulating the coolant. Therefore, the water cooling type jacket for an electronic device can be adapted to various shapes of heat-generating elements having uneven surfaces and various shapes of installation spaces beyond electrical and mechanical limitation to increase a heat transfer area and maximize a heat transfer efficiency and can be installed at various electronic devices such as hard disk drives, video cards or memory cards and a PCB without spatial limitation. Also, the water cooling type, soft cooling jacket for an electronic device can reduce a fabrication cost by simplifying the structure while maintaining close adhesion and can safely protect various elements by distributing pressure applied to the elements.

A ball screw device includes a cylinder that surrounds the outer periphery of a ball nut. Accommodation holes are formed in the ball nut at a rolling start position and a rolling end position in ball rolling paths. An outer periphery turning groove is formed in an outer peripheral face of the ball nut, and the outer periphery turning groove and an inner peripheral face of the cylinder constitute a turning rolling path. The turning rolling path and connection passages formed in deflectors constitute a circulation path through which balls are returned from the rolling end position to the rolling start position.

The invention discloses a micro bio-chip for real-time detection of substances in body fluids, the micro bio-chip is assembled by a circulating microfluidic chip and a film biosensor, parts of the circulating microfluidic chip in turn are connected with each other to form a complete fluid pathway, and the film biosensor includes a working electrode, a counter electrode and a reference electrode; in a testing room of the circulating microfluidic chip, one or more film biosensors are embedded in the manner of series connection, or parallel connection/series connection and parallel connection, so that the surfaces of the embedded film biosensors are always contacted with the body fluid flowing by for real-time detection of the substances in the body fluids.

A hydraulic four-wheel driving apparatus is provided for a vehicle having a pair of left and right unsteerable wheels and a pair of left and right steerable wheels. The hydraulic four-wheel driving apparatus comprises: a transmission casing supporting the unsteerable wheels; a hydraulic pump disposed integrally with the transmission casing, the hydraulic pump being driven by a power source outside the transmission casing; a first hydraulic motor for driving the unsteerable wheels fluidly connected to the hydraulic pump, the first hydraulic motor being disposed integrally with the transmission casing; and a second hydraulic motor for driving the steerable wheels fluidly connected to the hydraulic pump, the second hydraulic motor being disposed integrally with the transmission casing and disposed on one side of the first hydraulic motor toward the steerable wheels.

A vegetable room for a refrigerator includes: a vegetable box (20) disposed inside a refrigerator in which a cooling air supply unit is provided to circulate cooling air therein and a plurality of shelves (10) are provided, and having a receptacle space (5) for receiving food items therein opened upwardly; a box cover (30) for covering an opening side of the vegetable box (20) to close the receptacle space (5) of the vegetable box (20) and having a plurality of cooling air ventilating holes (31, 41) formed at one side thereof to introduce cooling air into the vegetable box (20); a cover support unit (22) interposed between the box cover (30) and the shelf (10) to support the box cover at the shelf; a plurality of opening and closing members (33, 43) for opening and closing the cooling air ventilating holes (31, 41) of the box cover (30); and an operating unit (24) for operating the opening and closing members (33, 43) simultaneously.

A combined laundry machine including a new conceptional pedestal dryer that is capable of performing a drying operation while serving as a base for supporting a washer or a dryer is disclosed. The combined laundry machine includes a washer, a first pedestal dryer including a first container for supporting the washer, the first container having a drying space for drying an object to be dried using hot air supplied from a first hot air supply unit, a clothes dryer, and a second pedestal dryer including a second container for supporting the clothes dryer, the second container having a drying space for drying an object to be dried using hot air supplied from a second hot air supply unit.

The invention relates to a magnetic pump, which comprises a pump body, a pump bonnet, a pump spindle, an impeller, an internal magnetic rotor, an external magnetic rotor, a separation sleeve, a driving shaft, a driving shaft bearing box; the cooling medium of the rotor internal cavity thereof is drawn into from the high pressure area of the pump chamber and reflows; the medium smoothly flow and does not generate gasification and evacuation to the pump chamber; particulate matters such as sand grains and the like in the medium do not generate aggregation to wear the bottom of the separation sleeve around the bottom of the separation sleeve; a pressure balancing cavity (D designed between the rear side of the impeller (13) and the pump bonnet to automatically balance the axial balancing force of the impeller on the pump spindle (12) and cause the pump spindle to bear the minimum axial acting force; a corrugation cushion collar is arranged on a sliding bearing and a sliding bearing bush to play the elastic protection and cause that the performance of the pump is be increased, the pump is safe in utilization and has long service life.

The invention discloses a bioengineering lacquer putty as well as preparation method and use thereof. The bioengineering lacquer putty comprises: talcum powder, heavy calcium carbonate, emiaste, hydroxypropylmethylcellulose, adhesive, calcium stearate, tourmaline powder and bergmeal. the bioengineering lacquer putty of the invention has the sterilizing and deodorizing function, can automatically remove the harmful gas such as methyl aldehyde and the like, has no pollution, and ensure the safety of the human body and the animals and plants. The bioengineering lacquer putty of the invention has higher production amount of the negative ion and far infrared emissing ability, can prevent the electromagnetic radiation, can rapidly absorb and remove the abnormal flavour generated by the paint, the colloid and the like, absorb the smoke flavor for a long time, and has definite treating efficacy for the limbs ice-cold disease, shoulder pain, lumbago, physical pain, neuralgia and the like.

In a roller screw, a plurality of rollers 16 interposed between a nut member 14 and a screw shaft 12 are composed of a forward-motion load roller group 17, the rollers 16 of which are arranged in such a manner that the center lines thereof are set at a given angle alpha with respect to the center line of the screw shaft 12, and a backward-motion load roller group 18, the rollers 16 of which are arranged in such a manner that the center lines thereof are set at an angle beta, which is different from the angle alpha, with respect to the center line of the screw shaft 12; and, the forward-motion load roller group 17 and backward-motion load roller group 18 are disposed such that they are separated from each other.

The invention provides a control method of an air conditioner and a control device. The air conditioner comprises an outdoor unit, wherein the outdoor unit is provided with a compressor, an outdoor heat exchanger and a fan which is used for facilitating the radiation of the outdoor heat exchanger; the control method of the air conditioner comprises the steps: when the air condition works under a refrigeration mode, a pressure value of a high pressure end of the compressor and a pressure value of a lower pressure end of the compressor are detected; a pressure difference value between the high pressure end of the compressor and the lower pressure end of the compressor is calculated; the rotating velocity of the fan is controlled according to the pressure difference value and the pressure difference value is controlled in a preset range. According to the technical scheme, the pressure difference value between the high pressure end and the lower pressure end of the compressor is controlled within the preset range, the smooth circulation of a refrigerant in the air conditioner is ensured, and the energy efficiency of the air conditioner can be favorably improved.

The invention discloses an aerosol injection pump and belongs to the technical field of liquid atomization. The aerosol injection pump comprises a casing, wherein a stator winding is arranged in the casing; a rotor winding is arranged in the stator winding; a gear pump is arranged at one end of the casing; one end of a rotor shaft is connected with a power input shaft of the gear pump; an air pressure generator is arranged at the other end of the casing and comprises an outer casing which is connected together with the casing; a fixed ring is fixedly arranged on the outer casing; an annular sliding chute is formed in an inner ring of the fixed ring; the other end of the rotor shaft is connected with a pressurizing plate; the pressurizing plate comprises an inner sleeve and an outer sleeve which are connected together; a plurality of helical blades are arranged between the inner sleeve and the outer sleeve; a gas storage cavity is formed in one side, away from the casing, of the fixed ring; the aerosol injection pump further comprises an aerosol valve; the aerosol valve is provided with an air inlet, a liquid inlet and an atomizing outlet; the gas storage cavity is communicated with the air inlet; a liquid outlet of the gear pump is communicated with the liquid inlet. The aerosol injection pump disclosed by the invention is compact in structure and good in energy-saving effect, and can be widely applied to liquid atomization.