49results about How to "Limit traffic" patented technology

The invention discloses a large flow pipe-type breaking valve which is characterized by comprising an air inlet valve, a locating sleeve, a plane one-way valve, a breaking shaft, a shield, a lantern ring, a one-way valve core, a stainless steel spring I, a spring seat, a stainless steel spring II, a stainless steel ball I, a supporting ring I, an O-type seal ring I, a one-way valve seal ring, an O-type sea ring II, a main valve seal ring, an O-type seal ring III, a compression spring, a stainless steel ball II, fluid channel technology holes I-IV, a spring hole, a symmetrical hole, a locating hole and a balance cavity. The pressure balance principle is used by the breaking valve, that is, the breaking valve can be automatically and securely separated when the two ends of the breaking valve are applied to the tension for not less than 600N (the breaking force is adjustable) under the circumstance that the pressure fluid or the fluid passes through a hose, and the two ends of the breaking valve can be automatically, effectively and reliably sealed, and no fluid leaks, thereby being capable of playing the role of breaking and protecting on the high pressure hose for below 25MPa, at the same time, the breaking valve is stable and reliable in breaking force, large in flow, low in maintenance cost, convenient to maintain and reusable.

The invention refers to a cup lid for additive to be conveniently added therein. A cup lid is composed of a lid body. The lid body includes a fastening portion extending downward from a peripheral edge thereof for fastening the cup lid onto a cup body. The lid body includes a drinking hole and a vent hole. The drinking hole protrudes upward from a top side of the lid body to form a drinking portion. The drinking portion is provided with an opening formed on a top side thereof and with a through hole formed at an internal lower side thereof. The opening is bigger than the through hole in diameter. A guiding portion is mounted between the opening and the through hole. Additionally, a plug can pluggably jam the drinking hole. Accordingly, a user can directly use the drinking hole of the cup lid for adding additives such as creamer, granulated sugar, etc. without opening the cup lip, which can reduce opportunities of spilling drinks; meanwhile a flow port is smaller, which can restrain the flow amount of drinks and reduces opportunities of scalding the mouth of the user.

The invention relates to a humidifier. The humidifier comprises a base and a liquid storage box, wherein the base is fixedly connected with the liquid storage box, and the liquid storage box is positioned above a liquid storage tank of the base and is used for conveying liquid to the liquid storage tank; the base comprises a pedestal, a first assembly and a second assembly, and the first assembly and the second assembly are arranged on the pedestal in parallel along the horizontal direction; the first assembly comprises a first component with the liquid storage tank, the second assembly comprises a second component with a heating tank, and both the liquid storage tank and the heating tank are open upward; the liquid storage tank is communicated with the heating tank by virtue of at least one passage; the first communication position of the liquid storage tank and the passage is higher than the second communication position of the heating tank and the passage. According to the humidifier, the heating efficiency of the humidifier is improved, and the energy consumption is reduced. In addition, air in the liquid storage box is effectively prevented from being heated, so as not to press liquid in the liquid storage box into the liquid storage tank, so that the phenomenon of liquid overflowing caused by excessive liquid in the liquid storage tank is prevented.

The invention provides a scroll type compressor that can restrict the flow rate of lubricating oil without requiring a high processing precision and can be manufactured in low cost. An intercommunication path (51) for supplying a lubricating oil to a low-pressure portion (35A) in a scroll is arranged in a movable scroll (25). One end of the intercommunication path is opened to the outside and linearly extends inside. A high-pressure opening (51D) communicated with a high-pressure portion (43) in a sealed container and a low-pressure opening (53) opened to the low-pressure portion (35A) in the scroll are disposed on an inner peripheral surface. The intercommunication path (51) is configured as follows: a bottom hole (51A) opened to the outside at one end is formed; and reaming processing is conducted from one end to a position of a predetermined depth H on the lower hole (51A) to form an insertion hole (51B). A pin member (55), which is abutted against the inner end of the bottom hole (51A)and set to be smaller than the diameter of the insertion hole (51B), is inserted in the intercommunication path (51); the pin member (55) is extruded to the inner end so as to close the one end of the intercommunication path by a screw member (57).

The invention relates to the field of agricultural pesticide liquid nozzles, in particular to an agricultural swirl nozzle mechanism based on magnetorheological fluid micro-motion pressure change. Theagricultural swirl nozzle mechanism comprises a magnetorheological fluid variable push rod and a swirl nozzle structure. The magnetorheological fluid variable push rod comprises a magnetorheologicalfluid bearing cavity, a spacer bush, a first electrifying coil, a second electrifying coil, a pressure change push rod and a sealing spacer bush, wherein the spacer bush is arranged in a rear end column hole of the magnetorheological fluid bearing cavity, the first electrifying coil is wound on the spacer bush, the sealing spacer bush is arranged in a front end column hole of the magnetorheological fluid bearing cavity, and the second electrifying coil is wound outside the sealing spacer bush; and the side, provided with the piston, of the pressure change push rod is located in the magnetorheological fluid bearing cavity and provided with a reset spring. A swirl spool of the swirl nozzle structure is arranged in a swirl chamber, the swirl chamber is arranged at the front end of a liquid passing cavity, and the liquid passing cavity is arranged on the magnetorheological fluid bearing cavity. The mechanism utilizes the state change of magnetorheological fluid under the action of a magnetic field to cause the pressure change of the magnetic flow bearing cavity, and the pressure change push rod is pushed to move outwards, and the flow and the spraying particle size of pesticide liquidcan be conveniently and accurately controlled.

The disclosure relates to a medical implant for occluding an opening in a body and a method of producing such a medical implant. Disclosed is an improved occluder, which provides improved occlusion, improved sealing and improved endothelialization. A method is disclosed comprising braiding, knitting or weaving together strands to form a body mesh of strands forming a plurality of adjacent cells delimited by the strands. The method further comprises applying a first coating to said strands, and applying a second coating to at least part of an external surface of said medical implant, wherein said first coating provides a binding force to said second coating such that said second coating adheres to said strands.

The invention provides a hydraulic system and a control method thereof, and relates to the hydraulic technical field. The hydraulic system includes a rotary pilot oil circuit, a lifting pilot oil circuit and a control mechanism. The control mechanism includes a controller, a rotary pressure sensor, a lifting pressure sensor and a pressure regulating component; the rotary pressure sensor is arranged on the rotary pilot oil circuit and is used for detecting a pilot pressure signal of the rotary pilot oil circuit and sending the pilot pressure signal to the controller; the lifting pressure sensoris arranged on the lifting pilot oil circuit and used for detecting a pilot pressure signal of the lifting pilot oil circuit and sending the pilot pressure signal to the controller; the pressure regulating component is arranged on the lifting pilot oil circuit and / or the rotary pilot oil circuit; the pressure regulating component is connected to the controller, and when the rotary pressure sensor and the lifting pressure sensor detect the pilot pressure signal at the same time, the controller controls the pressure regulating component to adjust the pressure of the pilot oil circuit which isin communication with the pressure regulating component. The difference between the rotating speed of a rotary motor and the lifting speed of a movable arm can be adjusted to meet the requirements ofvarious working conditions.

The invention discloses an oxygen-enriched air oxygen concentration detection structure for an airborne separator, which belongs to gas oxygen concentration detection technology, and is characterized in that it includes an airborne separator (2), a sampling pipeline (6), a pressure sensor (5), oxygen partial pressure sensor (9), one-way valve (7), gasket (3), filter current limiting assembly, locking screw ring (11); The oxygen concentration detection structure of oxygen-enriched air improves the accuracy, reliability and service life of the system by filtering impurities in oxygen-enriched air, limiting gas flow and reducing gas fluctuations.

The invention provides a control method and device for a cooling system, when a pump for the cooling system and with less normal operation is started, starting torque of pump is reduced, and over-current flow of the pump is prevented. The cooling system is provided with: a circulating line for circulation of cooling materials for cooling an auxiliary device in a nuclear power plant, a plurality of pumps in parallel relative to the circulating line; and a flow control valve disposed at an exhaust side downstream of the plurality of pumps and adjusting flow of the cooling materials. The control method comprises: a valve fully-closed control step, wherein the number of pumps in operation is detected, under the condition that stop of a plurality of the pumps is detected, a valve control signal for controlling full-closing of the flow control valve is output; a first pump starting step, wherein in a state that the flow control valve is fully-closed, less operation pumps than normal are started; and a first open valve control step, wherein after the first pump starting step, a valve control signal for controlling the flow control valve below a limiting openness is output, and the limiting opening is set to be smaller than an upper limit of the flow control valve in normal operation.

The invention discloses a cutting arm structure which is beneficial for bearings to keep lubricated. The main shaft (4) is connected with the outer cylinder (2) through the front end bearing (1) and the rear end bearing (6) which are set on the left and right ends of the main shaft (4). An inner cylinder (3) is provided between the cylinder (2) and the main shaft (4). The inner cylinder (3) is located between the front end bearing (1) and the rear end bearing (6). The two inner cylinders (3) The end is sealed with the inner wall of the outer cylinder (2), and there is a sealed cavity volume (7) between the inner cylinder (3) and the outer cylinder (2). The left end of the inner cylinder (3) and the front end bearing (1) There is a first oil storage space between them. The rotary oil seal (5) is installed between the right end of the inner tube (3) and the rear end bearing (6), and is set on the main shaft (4). There is a second oil storage space on the right. The invention effectively ensures that the bearings at both ends of the cutting arm are lubricated with oil under various construction conditions, thereby improving the service life thereof.

The invention relates to a humidifier. The humidifier comprises a base and a liquid storage box, wherein the base is fixedly connected with the liquid storage box, and the liquid storage box is positioned above a liquid storage tank of the base and is used for conveying liquid to the liquid storage tank; the base comprises a pedestal, a first assembly and a second assembly, and the first assembly and the second assembly are arranged on the pedestal in parallel along the horizontal direction; the first assembly comprises a first component with the liquid storage tank, the second assembly comprises a second component with a heating tank, and both the liquid storage tank and the heating tank are open upward; the liquid storage tank is communicated with the heating tank by virtue of at least one passage; the first communication position of the liquid storage tank and the passage is higher than the second communication position of the heating tank and the passage. According to the humidifier, the heating efficiency of the humidifier is improved, and the energy consumption is reduced. In addition, air in the liquid storage box is effectively prevented from being heated, so as not to press liquid in the liquid storage box into the liquid storage tank, so that the phenomenon of liquid overflowing caused by excessive liquid in the liquid storage tank is prevented.

The invention discloses a data transmission method based on a wireless broadband networking technology, which is based on data transmission of the wireless broadband networking technology and mainly solves the problem of network communication of an intelligent sensing system between exit and entrance ports of a community. It is understood from the effect that it is a Mac layer interconnection device linking a wireless local area network segment and a wired local area network segment, and can be used to connect two or more independent network segments, which are typically located between buildings at a distance of hundreds of meters or even thousands of meters. The method is applied to network communication between different entrance and exit gates of a community. Firstly, the two local area networks are not isolated due to the influence of the geographic position, the distance is within the transmission range, and the two local area networks can be connected through data transmission based on the wireless broadband networking technology. In this way, time and labor consumption of common wiring is effectively avoided, and the cost can be greatly reduced.

The invention relates to the field of pesticide liquid agricultural nozzles, which is an agricultural swirl nozzle mechanism based on magnetorheological fluid micro-movement variable pressure, including magnetorheological fluid variable push rod and swirl nozzle structure; magnetorheological fluid variable push rod includes The magnetorheological fluid bearing cavity, the spacer, the first energized coil, the second energized coil, the pressure transformation push rod and the sealing spacer, the spacer is installed in the rear end column hole of the magnetorheological fluid bearing cavity, and the first energized coil is wound On the spacer, the sealed spacer is placed in the front-end column hole of the magnetorheological fluid bearing chamber and the second energized coil is wound outside; the side of the pressure-transforming push rod with the piston is in the magnetorheological fluid bearing chamber and is equipped with a reset Spring; the swirl spool of the swirl nozzle structure is loaded into the swirl chamber, the swirl chamber is installed at the front end of the liquid passage chamber, and the liquid passage chamber is installed on the magnetorheological fluid bearing chamber. The mechanism uses the state change of the magnetorheological fluid under the action of the magnetic field to cause the pressure change of the magnetic flow bearing chamber to push the pressure changing push rod to move outward, so as to conveniently and accurately control the flow rate of the pesticide liquid and the sprayed particle size.

The invention discloses a differential type air-drilling coring device and a differential type air-drilling coring method, wherein a differential mechanism, an orientation spool, an outer cylinder assembly and a coring dill bit are connected together up and down to form an outer cylinder assembly; a suspension assembly, an inner cylinder assembly and a core cutting mechanism are connected together up and down through threads to form an inner cylinder assembly; the suspension assembly is connected with the orientation spool through a suspension element; the whole inner cylinder assembly is suspended in the outer cylinder assembly; the core cutting mechanism is located in the position of the inner cavity of the coring dill bit; the whole set of coring device is in threaded connection with a drill tool. During the coring operation, the well drilling equipment drives the coring device to rotate to carry out the core-drilling work; after the core-drilling is finished, the suspension element is sheared off by pitching to ground and by virtue of the differential device of the coring device, and then the inner cylinder assembly descends so that the core cutting mechanism is enabled to work, and the rock core is protected against dropping out in the drilling process. The differential type air-drilling coring device and the differential type air-drilling coring method can be applied to the air-drilling coring field.

The invention relates to a method for improving the high-temperature and high-salt properties of iron powder by using plasma electrolysis, and belongs to the technical field of iron powder surface modification. The method adopts the method of transporting the iron powder and the electrolyte solution separately, so that the iron powder and the electrolyte solution are mixed and immediately processed by the electrolytic plasma arc area, so as to avoid the problem of iron powder sedimentation or floating in the one-time preparation of the mixed suspension, and adopt a small The continuous batch processing method ensures the comprehensive quality of the iron powder modification treatment, and at the same time reduces the discharge area of ​​the cathode electrode, which is conducive to reducing costs and improving safety factors. The method of the invention has the advantages of simple operation, high production efficiency and low cost, and can ensure the improvement of the high-temperature and high-salt properties of the iron powder, and has good application prospects.