34results about How to "Suction achieved" patented technology

The invention provides an apparatus for determining fluid medium characteristics, especially to an air quality device (110) in a combustion motor. The device (110) comprises at least one sensor device (126) for determining fluid medium characteristics, at least one surface (168) overflowed by a fluid medium and at least one suction device (180) arranged to partially suck at least one flow boundary layer (170,172) of the surface (168).

The invention discloses a suction surface sucking stator blade of an air compressor. A plurality of suction holes and a plurality of static vents are distributed at the suction surface of a blade body. The suction holes are uniformly arranged between the front edge and the rear edge of the blade body. The number of the static vents is the same as the rows of the suction holes. The static vents are distributed into one row from the front edge to the rear edge of the blade body, and are positioned between the suction holes and blade roots or blade tips. Vacuum cavities and static pressure cavities which are communicated with a blade head are arranged in the blade body. The number of the vacuum cavities is the same as the rows of the suction holes, and the number of the static pressure cavities is as the same as that of the static vents. All the vacuum cavities in the blade body are communicated with the blade head, and the suction air on the blade body surface is discharged through the blade head after entering the vacuum cavities; and all the static pressure cavities in the blade body are communicated with the blade head, so the static vents are communicated with the static pressure cavities in the blade body, the static pressure is transferred to the outer side of the air compressor through the blade head, the static pressure variation on the blade surface before and after thesuction can be measured through the static vents, so the influence of the suction of the boundary layer of the blade surface on the performance of the air compressor is determined.

The invention relates to the technical field of equipment for measuring carbon content in fly ash, and particularly provides a system and a device for measuring carbon in the fly ash. The system and the device are possible to solve a problem that the equipment is easily blocked when measuring the carbon content in the fly ash in the prior art. The system for measuring the carbon content in the flyash comprises the device for measuring the carbon in the fly ash. The device for measuring the carbon in the fly ash comprises a fixed mounting structure fixedly connected with a wall surface of an ash bucket. The fixed mounting structure has a connecting surface connected to the wall surface of the ash bucket. The device for measuring the carbon in the fly ash further comprises an ash collectingstructure disposed on the side of the connecting surface near the center of the ash bucket. The ash collecting structure has an ash receiving port and a detection chamber for absorbing a fly ash sample collected in the ash port. The device for measuring the carbon in the fly ash further comprises a detecting element corresponding to the detection chamber for detecting the carbon content of the fly ash sample. The device for measuring the carbon in the fly ash further comprises a cleaning structure for cleaning the fly ash in the detection chamber. The system for measuring the carbon in the fly ash further comprises a suction pump and a cyclone dust collector connected to the detection chamber of the device for measuring the carbon in the fly ash.

The invention discloses a small-sized road duster for a park, and belongs to the field of road dusters for parks. The small-sized road duster for the park comprises a movable base, movable wheels areconnected to the bottom side of the movable base, a driving shaft is connected to the movable wheels, a dual-output-shaft driving motor is fixedly connected to the bottom side of the movable base, a first output shaft is fixedly connected to the output end of the dual-output-shaft driving motor, and a driving gear is fixedly connected to the first output shaft. By means of the small-sized road duster, the driving shaft is connected to the movable wheels connected to the bottom side of the movable base, the driving gear is fixedly connected to the first output shaft, a driven gear correspondingto the driving gear fixedly sleeves the driving shaft, and thus the dual-output-shaft driving motor drives the movable wheels to rotate; a water tank is fixedly connected to the movable base, a waterspraying pipe is connected to the bottom side of the movable base and connected with the water tank, through the movable base, the water tank and the water spraying pipe are driven to move, and thusa narrow road in the park is sprayed with water.

The invention discloses an electronic garbage regeneration tail gas treatment device. The device comprises a semi-dry adsorption tower, a lime slurry preparation system and an active carbon injection system. The lime slurry preparation system and the active carbon injection system are communicated with the semi-dry adsorption tower. The device comprises a deduster and a suction blower. The electronic garbage regeneration tail gas treatment device has a simple structure and good impurity removal effects.

The invention discloses a multipath simulation gas suction device which comprises a first cabin, a second cabin, a gas path module and a control structure, wherein the gas pressure in the second cabin is lower than that in the first cabin; the gas path module communicates the first cabin and the second cabin and comprises a first multi-way structure capable of implementing multi-way entrance and one-way exit of gas, a first gas outlet pipe for communicating a first gas outlet of the first multi-way structure and the second cabin, and first gas inlets which are formed on the first multi-way structure and are communicated with the second cabin; the control structure controls on-off and gas flow of the first gas inlets. In the multipath simulation gas suction device, the gas pressure difference between the first cabin and the second cabin can implement the automatic gas suction process of the device; a respiratory driving mechanism does not need to be arranged; the multipath simulation gas suction device has a simple structure and is low in production cost; meanwhile, the multipath simulation gas suction device is provided with the first multi-way structure capable of implementing multi-way entrance and one-way exit of the gas, and thus, a plurality of paths of gas suction passages are formed, a plurality of gas suction processes can be simultaneously simulated, and the multipath simulation gas suction device can meet the requirement of a large-scale oxygen system test.

An upholder composed of lapped multiple functional material layer is formed between the anode base plate and the cathode base plate. The lapped layers include the two layers of insulation layers as well as black surround material layer and the suction air layer between the said insulation layer. Using the printing, filming, coating, or molding methods laps each material layer, forming the upholder on the anode base plate. The invented upholder features simple technique, applicable to the assembly in middle and large sizes and full utilization of the gaps of the anode straps, providing the functions of support, suction air, black surround and discharging electricity.

The invention discloses a grouting effect detection device. A telescopic and swing driving mechanism is optimally arranged, so that when suction is detected, the telescopic and swing driving mechanismcan drive a conical detection pipe to move slightly in the axial direction and realize slight eccentric rotation at the same time, wherein the slight eccentric rotation is that the rotating central axis of the conical detection pipe is not coaxial with the central axis of the conical detection pipe, the reliability during suction can be effectively guaranteed, and a suction hole is prevented frombeing blocked; and due to the rotating arrangement, the suction of the surrounding water seepage condition can be effectively realized, and then the suction amount is guaranteed, so that the reliability of judging the grouting effect can be improved, and the detection reliability is effectively improved.

The invention discloses a multi-degree-of-freedom suction arm support and a dredging vehicle. The multi-degree-of-freedom suction arm support comprises a swing mechanism, a lifting mechanism, a slip mechanism, a luffing mechanism and a suction hose, the lifting mechanism comprises lifting arm support and a suction outer pipe, slip mechanism comprises a slip rod and a suction inner pipe, the slip mechanism is in transmission connection with the luffing mechanism through the slip rod, the outer suction pipe sleeves the inner suction pipe, a discharge port of the swing mechanism communicates with an anti-overflow sealing mechanism, and the swing mechanism, the lifting mechanism, the slip mechanism and the luffing mechanism are in pipeline connection through the suction hose. When the dredging vehicle performs suction operation, multi-degree-of-freedom, multi-angle and multi-direction suction can be achieved, meanwhile, a suction pipeline is accurately and effectively controlled so as to perform suction, transfer and other work, and in the transportation process, the anti-overflow sealing mechanism can be used for sealing the feeding port of a tank body, so that secondary pollution caused by sewage and peculiar smell gas overflowing through the suction hose is prevented.

The invention relates to the technical field of electromechanical equipment, and discloses auxiliary equipment for self-power-off protection of drilling electromechanical equipment according to building resistance, the auxiliary equipment comprises a mounting seat, a protection plate is fixedly connected to the top of the mounting seat, a guide rod is fixedly connected to the top of the protection plate, and a supporting rod is fixedly connected to the top of the guide rod; the top of the supporting rod is movably connected with a reset spring, the left side and the right side of the guide rod are both movably connected with electric blocks, and the resistance borne by the mounting base is increased, so that the reset spring is compressed to drive the shunting contact to slide in the limiting cavity along the guide block till the shunting contact makes contact with the electrified contact. When the shunting contact is in contact with the electrifying contact, the circuit is switched on, at the moment, current flows into the electrifying circuit through the electric block and then flows into the shunting resistor through the electrifying circuit, so that the shunting resistor is electrified, and the effects that the rotating speed of the drill bit is automatically reduced and the drill bit is contracted to prevent the drill bit from being broken when the resistance of a hard object is too large in the drilling process are achieved.

The invention provides a suction device, and relates to the technical field of medical instruments. The suction device comprises a test tube, a sealing plug, a suction tube, a first valve and a needle head; the sealing plug is used for sealing a tube opening of the test tube, and the interior of the test tube is in a negative pressure state; one end of the suction tube is connected with the needle head, and the other end of the suction tube penetrates through the sealing plug and is located in the test tube; and the first valve is arranged on the suction tube, and the first valve is located outside the test tube. According to the suction device, the test tube is arranged to be a sealed tube body, structures such as a piston rod are not arranged, the interior of the suction device is in the negative pressure state, and when puncture suction is carried out, the suction tube can be controlled to be in a switch-on or switch-off state only by one medical worker; when the suction tube is in the switch-on state, due to the fact that the interior of the test tube is in the negative pressure state, under the action of the pressure difference, the test tube can automatically suck tissue fluid such as the testis, the suction of the testis tissue fluid can be realized by one person, the fear and worry of a patient are relieved to a certain extent, the comfort degree of the patient is improved, and the working efficiency of the medical worker is improved.

The invention relates to the field of medical apparatus and instruments, and particularly relates to a sputum aspirator for emergency use in the Department of Respiratory Medicine. The sputum aspirator comprises a shell body and a handle member arranged on the lower side of the shell body, a piston member is arranged in the shell body, a fixing block is connected to the right side of the shell body in a clamped mode, baffles are glued on the middle of the inner wall of the shell body in front-back symmetry connection, the piston member is fixed between the fixing block and the baffles in clamped connection, the right side of the piston member is provided with an air outlet, the right end of the air outlet is connected with a three-way air-guide tube in a interference fit mode, the right end and the middle part of the three-way air-guide tube are provided with a one-way rubber exhaust nozzle and a one-way rubber vacuum nozzle, respectively, the left end of the three-way air-guide tube is in glued connection with a screw cap, the screw cap is fixedly connected to the left side of the shell body through first clamping arms which are symmetrically arranged, and the lower side of the screw cap is spirally connected with a phlegm storing bottle. The invention is not only simple in structure, low in production cost, small and exquisite in structure, easy to carry and use, easy to disassemble and clean and convenient for secondary use, but also capable of avoiding the return of some phlegm to patient's body resulted from repeated pressing, thereby improving the efficiency of phlegmremoval.

The invention discloses a breast pumping method of a breast pump, which comprises the following steps: 1, starting an electric air pump, and performing breast pumping for a preset time length according to a single pumping mode; 2, reading a sampling value on an air path of the electric air pump through a pressure sensor; 3, automatically comparing the sampling value with a preset pressure value, and if the sampling value is larger than or smaller than the preset pressure value, adjusting the suction force of the electric air pump until the sampling value is equal to the preset pressure value; and 4, repeating the step 3 until the breast pumping is finished. According to the method, the breast pumping pressure change in the whole process is automatically monitored; the pressure stability in the breast pumping process is guaranteed; therefore, the suction force of a puerpera during breast pumping is more suitable for personal feeling; the comfort degree is higher; and rear milk emptying is guaranteed.

The invention discloses an ink filling machine, and relates to the field of ink cartridge regeneration. The ink filling machine comprises an upper cover component, a lower cover component and an ink filling component which are arranged on a bracket; the lower cover component comprises a lower fixed plate arranged on the bracket, and the lower fixed plate is provided with a lower cover plate used for installing an ink cartridge; the lower fixed plate is further provided with a lower driving device used for regulating the height of the lower cover plate, and the upper cover component comprises an upper fixed plate arranged on the bracket; the upper fixed plate is provided with an upper cover plate, and the upper cover plate is provided with a plurality of upper cover pinholes used for ink filling needles to penetrate; the upper fixed plate is further provided with an upper driving device used for regulating the height of the upper cover plate; the side, far away from the upper fixed plate, of the upper cover plate is further provided with a limit plate, and a limit rod is connected to the upper cover plate through an elastic part; and the limit plate is further provided with a plurality of limit pinholes for the ink filling needles to penetrate. The function of taking out the ink filling needles from the ink cartridge is achieved, and the secondary control of users is not required; and the ink filling process can be performed continuously, and the ink filling efficiency of the ink cartridge is improved.