364 results about "Suction flow" patented technology

The present disclosure relates to a dehumidifier. The dehumidifier according to an embodiment of the present disclosure may include a fan that generates a first suction flow and a second suction flow, and a dehumidification module provided on one side of the fan and selectively separating moisture in the first suction flow. The dehumidifier includes a first suction part through which the first suction flow passes and a second suction part through which the second suction flow passes, and the first surface on which the first suction part is formed and the second surface on which the second suction part is formed may form surfaces that face each other.

The present disclosure relates to a cleaner system including: a cleaner; a cleaner station; and an imaginary plane including an imaginary suction flow path through line penetrating a suction flow path in a longitudinal direction and an imaginary suction motor axis defined by extending a rotation axis of a suction motor, in which when the cleaner is coupled to the cleaner station, the plane penetrates at least a part of the cleaner station, such that a center of gravity of the cleaner is disposed to pass through a space for maintaining balance of the station, and as a result, it is possible to stably support the cleaner and the station while preventing the cleaner and the station from falling down.

A floor cleaning machine is provided, comprising a floor head (12) to which a support plane (28) for a floor (18) to be cleaned is assigned, a first disc holder (48) and a first cleaning tool (56), wherein the first disc holder (48) is arranged on the floor head (12) and holds the first cleaning tool (56) and is driven to rotate about a first axis of rotation (52) during operation of the floor cleaning machine, a second disc holder (50) and a second cleaning tool (58), wherein the second disc holder (50) is arranged on the floor head (12) and holds the second cleaning tool (58) and is driven to rotate about a second axis of rotation (54) during operation of the floor cleaning machine, wherein the first axis of rotation (52) of the first disc holder (48) and the second axis of rotation (54) of the second disc holder (50) are each oriented transversely to the support plane (28), a holding rod device (14),which is movably connected to the floor head (12) via a joint device (16), a blower device (100) which generates a suction flow during operation of the floor cleaning machine, and a dirty fluid tank device (104) for receiving dirty fluid, wherein the blower device (100) is arranged on the floor head (12) and the dirty fluid tank device (104) is removably mounted on the floor head (12).

A lithotripsy device can include a lithotripter configured to deliver lithotripsy energy to tissue located at least partially within a body channel. The lithotripsy device can include a working passage positionable at least partially within the body channel, the working passage at least partially defining a suction opening. The lithotripsy device can include a suction device connectable to the working passage upstream of the suction opening and configured to generate a suction flow to motivate movement of the tissue or portions thereof toward the suction opening. The lithotripsy device can include a controller in communication with the lithotripter and with the suction device, where the controller can be configured to operate the suction device to generate the suction flow at a suction energy configured to offset the lithotripsy energy to reduce or eliminate retropulsion of the tissue when the lithotripsy energy is delivered to the tissue.

A cleaner system includes: a cleaner; a cleaner station; and an imaginary plane including an imaginary suction flow path through line penetrating a suction flow path in a longitudinal direction and an imaginary suction motor axis defined by extending a rotation axis of a suction motor, in which when the cleaner is coupled to the cleaner station, the plane penetrates at least a part of the cleaner station, such that a center of gravity of the cleaner is disposed to pass through a space for maintaining balance of the station, and as a result, it is possible to stably support the cleaner and the station while preventing the cleaner and the station from falling down.

A cleaner system includes: a cleaner; a cleaner station; and an imaginary plane including an imaginary suction flow path through line penetrating a suction flow path in a longitudinal direction and an imaginary suction motor axis defined by extending a rotation axis of a suction motor, in which when the cleaner is coupled to the cleaner station, the plane penetrates at least a part of the cleaner station, such that a center of gravity of the cleaner is disposed to pass through a space for maintaining balance of the station, and as a result, it is possible to stably support the cleaner and the station while preventing the cleaner and the station from falling down.

Systems and methods of in situ pressure control at an anatomical environment during a procedure are disclosed. An exemplary irrigation and suction system comprises a user input configured to receive from a user a desired pressure to be applied to the anatomical environment, or a desired flow condition corresponding to the desired pressure. The system comprises a pressure sensor to sense a pressure at or near the anatomical environment, and a control module to adjust one or more of an irrigation flow rate or a suction flow rate of at least one working channel of a medical device to maintain the pressure of the anatomical environment at substantially a level of the desired pressure, or to maintain the desired flow condition in the working channel during the procedure.

A nozzle for a cleaner includes a nozzle housing including a suction flow path through which air including dust flows and at least a portion of which extends in a front and rear direction. First and second rotation cleaning units are arranged on the lower side of the nozzle housing to be spaced apart from each other in a lateral direction. Each of the first and second rotation cleaning units includes a rotation plate adapted for attachment of a mop. A first driving device including a first driving motor drives the first rotation cleaning unit and a second driving device including a second driving motor drives the second rotation cleaning unit. A water tank mounted on the nozzle stores water to be supplied to the mop.

Systems and methods of in situ unclogging a working channel in a medical device during a procedure are disclosed. An exemplary unclogging system comprises a flow sensor to sense a flow rate through a working channel, and a control module to detect a channel state indicating a presence or absence of clogging based on the flow rate. In the presence of channel clogging, the control module can control one or more of an irrigation source or a suction source to provide respectively irrigation fluid or suction pressure to unclog the obstructed channel. The control module can adjust one or more of an irrigation flow rate or a suction flow rate through the working channel to maintain a desired pressure of the anatomical environment at the anatomical site, or to maintain a desired flow condition in the working channel, during the procedure.

Systems and methods of in situ unclogging a working channel in a medical device during a procedure are disclosed. An exemplary unclogging system comprises a flow sensor to sense a flow rate through a working channel, and a control module to detect a channel state indicating a presence or absence of clogging based on the flow rate. In the presence of channel clogging, the control module can control one or more of an irrigation source or a suction source to provide respectively irrigation fluid or suction pressure to unclog the obstructed channel. The control module can adjust one or more of an irrigation flow rate or a suction flow rate through the working channel to maintain a desired pressure of the anatomical environment at the anatomical site, or to maintain a desired flow condition in the working channel, during the procedure.

The utility model relates to the technical field of impeller flow passage self-adjusting gradually-changing flow direction centrifugal pumps, and discloses an impeller flow passage self-adjusting gradually-changing flow direction centrifugal pump body which comprises a bearing assembly, a main machine body, a speed measuring assembly, a driving assembly and a flow sucking assembly, the main machine body is installed above the bearing assembly, the speed measuring assembly is installed at the front end of the interior of the main machine body, and the driving assembly is installed at the front end of the interior of the main machine body. The driving assembly is installed at the rear end in the main machine body, and the flow suction assembly is installed in the middle in the main machine body. The speed measuring assembly is arranged, so that the running speed of the output end of the driving motor can be automatically adjusted according to actual working conditions according to the flow speed of water flow and matched work of the rear driving motor, and it is ensured that the pump always runs in a high-efficiency area; the driving assembly and the flow suction assembly are arranged, the suction condition of the pump can be effectively improved, and the critical cavitation allowance of the pump is reduced by optimizing the flow channel design and the inlet throat area, so that the cavitation phenomenon is reduced, and the cavitation resistance of the pump is improved.

The present disclosure relates to a cleaner station for suctioning dust stored in a dust bin of a cleaner to an inside thereof and the cleaner station according to one embodiment of the present disclosure may include a suction flow path which is connected to the dust bin and through which air including dust flows by a suction operation of a dust collection motor, a chamber housing disposed under the suction flow path and having an accommodation space provided therein, and a dust chamber configured to separately store dust suctioned from the cleaner and detachably coupled to the chamber housing, wherein the dust chamber may be inserted into the chamber housing in a first direction and withdrawn in a second direction that is a direction opposite to the first direction, and a coupling member having a shape that is coupled by being fitted in a sliding manner may be provided on an inner surface of the chamber housing and an outer surface of the dust chamber.

The pipe network pump station desilting robot of the double-flow-channel suction pump structure comprises a robot shell body, a mounting support is fixedly mounted at the bottom of the robot shell body, a variable-frequency speed regulator is fixedly mounted on the outer side of the mounting support, crawler wheels are arranged on the inner side of the variable-frequency speed regulator, and the crawler wheels are fixedly mounted on the outer side of the mounting support. A double-flow-channel suction pump assembly is arranged on the outer side of the robot shell body, and a self-adaptive adjusting assembly is arranged on the outer side of the robot shell body. According to the pipe network pump station dredging robot of the double-flow-channel suction pump structure, by arranging the double-flow-channel suction pump assembly, a strong negative pressure suction environment can be formed, the sludge adhesion amount can be reduced, efficiency reduction caused by reduction of the cross section of the flow channel is avoided, the negative pressure strength of the main suction flow channel is supplemented, the air suction phenomenon is avoided, the self-adaptive adjusting assembly is arranged, and a pressure sensor monitors the main suction flow channel in real time; closed-loop control of blocking early warning, active intervention and risk elimination is achieved, a visual monitoring assembly is arranged, the equipment fault maintenance frequency is reduced, and the operation efficiency is improved.

The invention provides a circulating cleaning mechanism, a cleaning method and a flow cytometer, the circulating cleaning mechanism comprises a sleeve structure, a washing assembly and a washing liquid flow path, the sleeve structure comprises an openable sleeve part, and when the sleeve part is closed, a cleaning cavity which sleeves the outer side of a sampling needle and is provided with an opening at the top is formed; the flushing assembly comprises a pitching torsion mechanism and spray heads, the pitching torsion mechanism is mounted on the sleeve part, a movable end of the pitching torsion mechanism is connected with a plurality of spray heads which are circumferentially arranged along the axis of the sampling needle, and the spray heads are driven to perform pitching adjustment and torsion adjustment. According to the circulating cleaning mechanism provided by the invention, the sleeve structure is folded to the outer side of the sampling needle, and the washing assembly, the sampling needle and an original suction flow path of the flow cytometer are matched in the cleaning cavity, so that the outer wall and the inner wall of the sampling needle can be cleaned at the same time, and additional manual operation is not needed; in the cleaning process, pitching washing and rotational flow washing can be formed.

Systems and methods of in situ pressure control at an anatomical environment during a procedure are disclosed. An exemplary irrigation and suction system comprises a user input configured to receive from a user a desired pressure to be applied to the anatomical environment, or a desired flow condition corresponding to the desired pressure. The system comprises a pressure sensor to sense a pressure at or near the anatomical environment, and a control module to adjust one or more of an irrigation flow rate or a suction flow rate of at least one working channel of a medical device to maintain the pressure of the anatomical environment at substantially a level of the desired pressure, or to maintain the desired flow condition in the working channel during the procedure.

A suction device for a releasable connection to a hand-held power tool, in particular to a hammer drill, includes a housing with a drive unit arranged in the housing for generating a suction flow, and at least one locking unit for a mechanical coupling with the hand-held power tool. The coupling includes at least one locking element for direct locking with the hand-held power tool and at least one actuating element used to release the lock of the at least one locking element. The actuating element and / or the locking element are arranged at least partially adjacent the drive unit.

The invention relates to the technical field of energy-saving refrigeration, in particular to an energy-saving and environment-friendly carbon dioxide refrigeration system and method, and the system comprises a state analysis module, an energy efficiency analysis module, a compression ratio calculation module, a risk judgment module and an adjustment optimization module. According to the method, the system fluctuation trend is captured by analyzing the outlet pressure of the evaporator and the outlet pressure of the condenser and combining the operation state vectors generated by the suction flow and the exhaust flow of the compressor, the fluctuation trend is associated with the energy efficiency ratio change of the compressor, and dynamic energy efficiency fluctuation is provided; the compression ratio is continuously monitored, the air flow and the opening degree of an expansion valve are adjusted, stable operation of the system is ensured, the optimal energy efficiency is achieved, compression ratio adjustment is optimized in real time by analyzing fluctuation of the compression ratio and deviation between the fluctuation and an adjusting interval, the system is adjusted according to real-time data through a dynamic adjusting mechanism, energy efficiency fluctuation is restrained, and flexibility and stability are improved. Energy waste is reduced, and environmental changes are responded, and automatic adjustment is performed to maximize energy utilization.

The invention discloses a pet washing nozzle and a washing and caring system, and relates to the technical field of pet washing and caring. The pet washing nozzle comprises a nozzle body and a washing functional cover, a water inlet flow channel, an air inlet flow channel and an air suction flow channel which are mutually independent are arranged in the nozzle body, and interfaces of the water inlet flow channel, the air inlet flow channel and the air suction flow channel are converged at the joint end of the nozzle body; the washing functional cover is arranged at the end, away from the connector end, of the nozzle body, an air suction part and a comb tooth part are arranged on the washing functional cover, the air suction part is arranged around the comb tooth part, the air suction part is provided with at least one air suction opening communicated with the air suction flow channel, and the comb tooth part comprises a plurality of water spraying comb teeth and a plurality of air spraying comb teeth. Water spraying holes communicated with the water inlet flow channel are formed in the water spraying comb teeth, and air spraying holes communicated with the air inlet flow channel are formed in the air spraying comb teeth. According to the pet washing spray head, water is saved during washing, the washing time is shortened, the drying time is saved, and the drying difficulty is reduced.

The invention provides an instrument tube assembly, an insertion part and an endoscope, relates to the technical field of endoscopes, and solves the problem of poor stability of intra-renal pressure when the perfusion flow is adjusted. The instrument tube assembly is used for an insertion part of an endoscope and comprises a first tube section, an adapter tube section and a second tube section which are in butt joint in sequence, the adapter tube section is provided with a channel, an inner side port of the channel is located between a near-end tube opening of the first tube section and a far-end tube opening of the second tube section, and an outer side port of the channel is used for being located on the peripheral face of a passive bending section of the insertion part. The channel is controlled to be opened and closed through the switch piece, so that part of perfusion liquid can be discharged into the annular space in advance to establish part of fluid circulation before reaching the far-end pipe opening of the first pipe section; the perfusion flow entering the kidney and the suction flow discharged from the kidney are adjusted in a synchronous, delay-free and matched mode, so that the pressure in the kidney is effectively stabilized, and the stability of the pressure in the kidney can be better maintained when perfusion pulses are generated.

The present disclosure relates to a dehumidifier.The dehumidifier according to an embodiment of the present disclosure may include a fan that generates a first suction flow and a second suction flow, and a dehumidification module provided on one side of the fan and selectively separating moisture in the first suction flow.The dehumidifier may include a first suction part through which the first suction flow passes and a second suction part through which the second suction flow passes, and the first surface on which the first suction part is formed and the second surface on which the second suction part is formed may form surfaces that face each other.

The present invention relates to a household appliance (1) for cooking dishes extending along a height direction (Z-Z), a width direction (X-X), and a depth direction (Y-Y), and comprising: - a hob (2) provided with at least one suction opening (21) for cooking fumes and extending mainly along the width and depth direction (X-X, Y-Y), - a downdraft hood (3) having: - a box-like body (4) arranged below the hob (2) along the height direction (Z-Z) and defining a suction chamber (A) placed in fluid communication with the suction opening (21) of the hob (2); - a suction unit (5) arranged at least partially in the box-like body (4) so as to be in fluid communication with the suction chamber (A) and provided with a discharge duct (50) having a discharge mouth (51) arranged externally to the box-like body (4), said suction unit (5) further comprising an impeller (52) rotatable around a rotation axis (R-R) to generate a suction flow of cooking fumes (F) directed along a fluid-dynamic path (P) extending from the suction opening (21) of the hob (2) to the discharge mouth (51) of the discharge duct (50). Characteristic of the present invention is that the discharge duct (50) is rotatably mounted on the box-like body (4) around an orientation axis (O-O) so as to be able to vary the orientation of the discharge mouth (51), and has a volute (53) configured to convey the suction flow from the impeller (52) to the discharge mouth (51) regardless of the angular position of the discharge duct (50) around the orientation axis (O-O).

The present invention relates to a transfer apparatus (T) for contamination-free transport of containers (B), made of a thermoplastic material, in the region of an apparatus for treating containers (1), in particular a forming machine, for example a stretch forming machine or stretch blow moulding machine (4) for forming containers (B), wherein: the transfer apparatus (T) has a transport device (107) which is movably mounted on a base (112) and which has multiple container carriers (108) which are distributed around the circumference of the transport device in the circumferential direction and are designed to hold and convey the containers (B) along a transport path; the transfer apparatus (T) has a suction-extraction hood (160), which comprises an air discharge opening (162) for discharging air from the interior of the suction-extraction hood (160), an air intake opening (163), different from the air discharge opening (162), for taking in air from outside the suction-extraction hood (160), and a casing (164) which encloses the suction-extraction hood except for the air discharge opening (162) and air intake opening (163); the air intake opening (163) of the suction-extraction hood (160) is directed towards the transport device (107) and the air discharge opening is designed to be connected to an air discharge device (8), in order to extract air by suction from the interior (165) of the suction-extraction hood (161), in such a way that a suction flow (6) is generated there and detached foreign particles, dirt, germs and / or microorganisms are extracted towards the air discharge opening (162) by suction and do not reach the containers (B). The invention also relates to apparatuses and methods for forming containers.

The invention discloses an endoscope data processing method and system, and belongs to the field of endoscopes. The method comprises the steps that a basic pressure threshold a0 and a basic temperature threshold b0 of a user are set; collecting a pressure value a1 and a temperature value b1 through an endoscope; performing error correction on the pressure value a1 and the temperature value b1 through a compensation algorithm; according to the pressure value a1'and the temperature value b1 'after error correction, a basic pressure threshold value a0 and a basic temperature threshold value b0, a control strategy of the perfusion flow and the suction flow is generated; according to the control strategy, a PWM algorithm is adopted to generate control signals of perfusion driving and attraction driving; and the filter circuit and the isolation circuit are used for processing the control signal. In order to solve the problem that perfusion and suction flow control is not coordinated in the endoscopic surgery process in the prior art, four control strategies are generated through an error compensation algorithm and according to temperature and pressure parameters, and the stability of perfusion and suction flow control is improved.

The present invention relates to a hard surface cleaning apparatus, comprising: a suction assembly for forming a suction flow, the suction assembly comprising a suction unit and a motor driving the suction unit; a suction nozzle in fluid communication with the suction assembly for drawing a liquid-air mixture from the hard surface; the cleaning flow path is located between the suction nozzle and the suction assembly, and a separation part used for separating liquid from the sucked liquid-air mixture is arranged in the cleaning flow path; the liquid storage tank is used for containing the separated liquid, and the liquid storage tank is detachably installed on the separation component; wherein the liquid storage tank and the separation part can be integrally installed on the hard surface cleaning equipment and taken down from the hard surface cleaning equipment.

A nozzle for a cleaner has a nozzle housing having a suction flow path that extends in a front and rear direction so that air containing dust is sucked. The nozzle further includes a first rotation plate and a second rotation plate, a water tank provided in the nozzle housing, the water tank configured to store water to be supplied to the first and second rotation plates, and a water supply flow path formed in the nozzle housing to supply water from the water tank to the first and second rotation plates. The water tank has a discharge port to which the water supply flow path is connected. The water supply flow path includes a water pump. The discharge port and the water pump are arranged to be spaced apart from each other in a same side area.

A vacuum cleaning system comprising a robotic unit (2) comprising a traction device, a docking interface and an articulated arm (82) defining an end effector (90), wherein the end effector comprises a suction tool, and wherein the robotic unit defines a suction flow path extending from the suction tool to the docking interface. The system further comprises a hand-held vacuum cleaner (6) configured to dock with the docking interface, the hand-held vacuum cleaner comprising a vacuum motor for suctioning air through the suction flow path when docked with the docking interface.

The rotary type shaft bottom negative pressure suction air lift tool comprises an upper flow guide body, an end face flow guide groove is formed in the bottom end of the upper flow guide body, and a cylindrical surface flow guide groove is formed in the side wall of the upper flow guide body; the upper flow guide body is communicated with a jet flow guide body; a jet flow conical surface is arranged on the jet flow guide body; the outer side of the jet flow deflector is sleeved with a diffusion deflector, and the top end of the diffusion deflector is provided with a diffusion conical surface; the end face diversion trench is matched with the jet conical surface to form a power airflow channel; the end face diversion trench is matched with the diffusion conical surface to form a mixed fluid runner; a negative pressure suction flow channel is formed between the jet flow guide body and the diffusion guide body; power gas is sprayed outwards through the power gas flow channel and the mixed fluid flow channel, and relative negative pressure is formed at the negative pressure suction flow channel. Downhole fluid and power gas form vaporific mixed fluid, the mixed fluid flows in a swirling mode through the mixed fluid flow channel, and the gas lift flows upwards. The device can achieve the functions of negative pressure suction, fluid atomization and gas lifting, the drainage capacity of the gas well is improved, the production capacity of the gas well is improved, and production recovery and production increase of the gas well are achieved.

The cleaning equipment comprises a barrel assembly, a machine base assembly and a cover assembly, the barrel assembly comprises a first containing cavity with a first opening, and the first containing cavity is used for containing dirt; the machine base assembly is provided with a second containing cavity for containing a suction assembly, the suction assembly is used for generating suction flow flowing through the first containing cavity, the machine base assembly is detachably connected with the body assembly, and the body assembly is located on the side of the machine base assembly; the cover assembly is located above the body assembly and the machine base assembly and connected with the machine base assembly in a pivoted mode, and the cover assembly is detachably connected with the body assembly and can cover the first opening of the first containing cavity. The cleaning equipment can reduce the weight of the cover assembly, reduce the gravity center of the cleaning equipment and improve the stability of the equipment.

Disclosed is a fan with multilayer fan blades, including a fan frame and a motor. Multilayer fan blades are arranged in the fan frame; the multilayer fan blades are connected to the motor, and the multilayer fan blades are arranged with at least two fan blade connection rings. According to the above solution, by utilizing the design of blade shapes and the number of different curved surfaces of the multilayer fan blades, an inner layer has a faster wind speed than an outer layer, and the fan is changed from a smooth wind suction flow field to a spiral flow field with a funneling effect, reducing the attenuation of long-distance wind flow and improving the heat dissipation efficiency at a far working point.

The present invention relates to a suction device, which includes a suction unit device (50) for generating a suction flow. The suction unit device (50) has a blower (60) with a blower motor (62), a blower bracket (72) for holding the blower (60) and / or the blower motor (62), and a guiding device (70) for process air. The guiding device (70) for process air has a channel member (80), the channel member has at least one channel (82) connected to the blower (60) on the exhaust side. The channel member (80) is placed on the blower bracket (72), and the channel member (80) is placed on the blower (60) or the blower motor (62).