118results about How to "Avoid rushing" patented technology

An eavestrough cover comprising a first side structure and a second side structure with a central planar portion intermediate the side structures, the central portion having a plurality of longitudinally extending sections with each being separated from each other by a rollback member, the rollback members extending longitudinally and having one face thereof of a C-shaped configuration, all of the rollbacks facing in the same direction, each of the longitudinally extending sections having a plurality of apertures formed therein. The rollback structure helps prevent overflow of the eavestrough.

The invention discloses a method for preparing nodular cast iron. According to the invention, a cupola melting technology and an appropriate nodulizing process technology are adopted, inoculation is conducted for many times, and the box is opened in appropriate time, and therefore, that the high-quality low-temperature high-toughness nodular cast iron, of which the low-temperature comprehensive performance conforms to the QT400-18AL(-20 DEG C) standard is obtained is ensured. The nodular cast iron contains the following ingredients by weight percent: 3.3-3.6 percent of C, 1.8-2.2 percent of Si, less than 0.20 percent of Mn, 0.040 percent of P and Lt, 0.020 percent of S and Lt, 0.030-0.040 percent of Re and 0.040-0.055 percent of Mg. The nodular cast iron can meet the quality demands of low-temperature high-performance castings of wind power, nuclear power, high-speed rails and the like with higher quality requirements.

The invention discloses a parallel operation axial flow primary fan automatic regulating method and an automatic regulating device. According to the method, a fan current monitoring and comparison module is added on a fan pneumatic blade automatic control module, the current of more than two fans is firstly judged during fan air quantity regulation and control, and the air quantity regulation sequence of a fan is determined according to fan current quantity; the preferential increase of the movable blade opening degree of the fan with low current is used as an air quantity increase regulation condition; the preferential decrease of the movable blade opening degree of the fan with high current is used as an air quantity decrease regulation condition. The optimized control strategy is adopted, the headwind and stall problem of the primary fan is effectively avoided, and the automatic regulation quality of an axial flow primary fan is greatly improved, so guarantee is provided for boiler burning stability.

The invention provides a multi-direction flow gravitational settling apparatus for a recirculating aquaculture system. The cavity of a vertically arranged barrel-shaped water passing container is divided into an upper straight barrel-shaped settling chamber and a lower inverted cone-shaped sewage collecting chamber by a separator plate horizontally arranged in the water passing container; the upper end of the water passing container is an open end, and the end part of the upper end is embedded into a water collecting tank with an upwardly opened opening; the lower end of a 7-shaped water inlet pipe extends downwardly to penetrate the bottom of the water collecting tank, and the upper end of the 7-shaped water inlet pipe extends into the upper part of the settling chamber to communicate with the upper end of a vertical water distribution pipe; the port of the lower end of the water distribution pipe extends into a central through hole of the porous separator plate; an inclined tube filling material is filled in the part of the settling chamber below a water outlet end of the water inlet pipe; a sewage outlet is arranged at a cone bottom of the sewage collecting chamber; and the sewage outlet is movably covered with a water distributing cone, and the conical tip of the water distributing cone just faces the port of the lower end of the water distributing pipe. The apparatus provided by the invention has a simple structure, a compact shape, great water treating capacity, short hydraulic retention time and a substantial treating effect, is convenient to apply and can be popularized as equipment.

A two-stroke internal combustion engine having a crankcase provided with a crank chamber, a suction port which opens to the crank chamber, a scavenging passage opening into the crank chamber, and a crankshaft is provided with a flow control surface formed on an inner peripheral wall portion of the crank chamber which is capable of retarding the flow rate of unatomized raw fuel and which extends from the vicinity of the suction port to the vicinity of the scavenging passage. The flow control surface is comprised of a large number of intersecting unit ribs.

Embodiments of the present invention provide a compressor power-off demagnetization protection method, device, household appliance and storage medium, which belong to the technical field of household appliance control. The compressor power-off demagnetization protection method includes: detecting the phase current of the compressor; calculating the variation of the phase current of the compressor within a set time interval according to the detected phase current of the compressor; Comparing the variation of the phase current of the compressor with a set value, determining the operating condition of the compressor according to the comparison result; and controlling the input power of the compressor when it is determined that the compressor is in an abnormal state The pulse width modulation PWM circuit stops working. The power-off demagnetization protection method for the compressor prevents the demagnetization phenomenon of the compressor, reduces the failure rate of equipment, and improves the reliability of equipment operation.

The invention relates to a middle and lower layer water sample sampler which comprises a raising rope, a hollow sampling cylinder and a cylinder bottom. A circular hole is formed in the cylinder bottom, and the position of the center of the circle of the circular hole is the same as that of the center of the circle of the cylinder bottom; a T-shaped blocking part is arranged at the circular hole of the cylinder bottom and comprises a circular block piece and a cylindrical protruding part fixedly arranged on the lower portion of the circular block piece, the diameter of the cross section of the cylindrical protruding part is smaller than that of the circular hole, the diameter of the circular block piece is larger than that of the circular hole, the diameter of the circular block piece is smaller than that of the cylinder bottom, a long-strip-shaped limiting baffle is arranged on the upper portion of the circular block piece and is parallel to the plane where the circular block piece is located, and the two ends of the limiting baffle are fixed on the inner wall of the hollow sampling cylinder. Compared with the prior art, the middle and lower layer water sample sampler has the advantages of being capable of conveniently and rapidly collecting water samples of the middle and lower layer, simple in structure and accurate and reliable in sampled water samples.

The invention belongs to the field of sewage treatment equipment, and particularly relates to a sewage treatment device. The sewage treatment device comprises a filtering pond and an adsorption gasifying pond, wherein the filtering pond is connected with the adsorption gasifying pond through a water outlet pipe; a water pump is arranged on the water outlet pipe; the filtering pond is divided into a grating chamber and a settling chamber by a partition; the grating chamber is arranged above the settling chamber and communicates with the settling chamber through a connecting tube; a water inlet tube is arranged above the grating chamber; a water inlet valve and a water flow meter are arranged on the water inlet tube; one end of the water outlet pipe extends into the settling chamber while the other end of the water outlet pipe extends into the top of the adsorption gasifying pond; the end, which extends to the adsorption gasifying pond, of the water outlet pipe is provided with a spraying rod; and a sprayer is arranged on the spraying rod. After being treated by the sewage treatment device, the sewage can reach the standard of reuse of reclaimed water, and the treatment effect is good.

The invention discloses an anti-permeation portable water baffle capable of achieving automatic supporting for municipal flood prevention. The anti-permeation portable water baffle comprises a guide shovel plate, wherein sealing movable frames are fixedly connected to the left side and the right side, close to the back surface, of the top of the guide shovel plate, an arc-shaped sealing groove isformed in the position, close to the back surface, inside the guide shovel plate, a movable water baffle is rotationally connected to the position, close to the back surface, of the guide shovel plate, a sealing protruding block is fixedly connected to the end, located inside the arc-shaped sealing groove, of the bottom of the movable water baffle, a gravity center stabilizing plate is fixedly connected to the bottom of the back surface of the guide shovel plate, a balance weight guide groove is formed in the position, close to the back surface, of the top of the guide shovel plate, and an active anti-skid mechanism is fixedly connected to the position, close to the middle of the back surface, of the bottom of the guide shovel plate. The invention relates to the technical field of flood prevention. According to the anti-permeation portable water baffle capable of achieving automatic supporting for municipal flood prevention, the sealing performance of the baffle is improved, connectionbetween water baffles is facilitated, and meanwhile, the sealing performance of the connecting positions of the water baffles is improved, carrying is convenient, and mounting is easy.

An athletic shoe includes an upper section and a sole section. The upper section is attached to the sole section. The upper section includes at least a wearing opening. The sole section includes a bottom portion, a support portion, and a receiving portion. The support portion is arranged between the bottom portion and the receiving portion and extends from a shoe heel portion of the sole section toward a shoe sole portion of the sole section. The receiving portion includes a first trough, a second trough, and a third trough formed therein. The first trough receives therein a first soft pad that corresponds in shape thereto. The second trough receives therein a second soft pad that corresponds in shape thereto. The third trough receives therein a third soft pad that corresponds in shape thereto. As such, the sole section is provided with a plurality of rush stop sites.

The invention relates to a vehicle and a brake torque control method thereof. The method comprises the following steps that: in a vehicle braking process, if the brake pedal opening degree is smallerthan a set brake pedal opening degree threshold value, the current slip rate of a wheel is estimated according to the speed, rolling radius and wheel center speed of a wheel; whether a vehicle turns or not is judged according to a steering wheel angle signal; if turning occurs, a wheel slip rate is controlled within a first slip rate interval; and if not, the wheel slip rate is controlled within asecond slip rate interval. According to the method, braking torque control is started in advance compared with linear driving during turning driving, so that the braking torque control opportunitiesof the vehicle under a turning working condition and a linear working condition are different, the braking stability and smoothness of the vehicle under the turning working condition are improved, andthe applicability of the vehicle is improved.

The invention discloses a clothing treatment device, a control method for the clothing treatment device, and a clothing treatment system. The clothing treatment device comprises a washing container, awater inlet module, a water drainage module, and a control module which is used for receiving a cleaning mode control signal, controlling the water inlet module to be turned on to introduce water into the washing container to reach a predetermined water level, executing a main washing program, and controlling the water drainage module to be turned on to drain the water of the washing container toreach an empty water level after the main washing program, as well as used for controlling the water inlet module to be turned on to introducing water into the washing container to reach a predetermined water level, executing a rinsing program, and controlling the water drainage module to be turned on to drain the water of the washing container to reach the empty water level after the rinsing program. With the adoption of the technical scheme of the invention, one-time water drainage is carried out after the main washing program and the rinsing program separately, dirt which is not drained during the first-time water drainage is drained by virtue of the second-time water drainage, and the left dirt is prevented from being swept to a higher position by water flow and then continuing to beleft in the washing container, so that the cleaning intensity is increased, and the cleaning effect is improved.

The present invention provides a bubble water machine comprising a portable pressure bottle and an inflation area, wherein the portable pressure bottle includes a first container body, a top cover, a first base, an upper positioning assembly, a lower positioning assembly and a plug. The inflation area comprises a second container body, a second base, a first intermediary assembly, a second intermediary assembly and a third intermediary assembly. The beneficial effects of the present invention lie in: the bubble water machine can prevent a liquid from rushing back to the machine stand when the liquid containing sugar or alcohol is being inflated with a gas, and the portable pressure bottle can remain the gas in the liquid for a long time.