36results about How to "Reduced operational reliability" patented technology

In a quick-change system for exchangeable machine elements, particularly in a container processing machine in which the machine element (E) can be brought into a target position and can be localized in a target position by a securing unit comprising at least one securing element, at least a second securing unit (P2) is provided with which a machine element that either has not been brought into the target position or that has moved out of the target position (X) can be localized in a securing position. The securing position is detected and evaluated as grounds for a corrective action before commencing an operation or during the operating sequence before a corrective action is initiated and executed.

Disclosed herein is a fully passive decay heat removal system utilizing a partially immersed heat exchanger, the system comprising: a hot pool; an intermediate heat exchanger which heat-exchanges with the sodium of the hot pool; a cold pool; a support barrel extending vertically through the boundary between the hot pool and the cold pool; a sodium-sodium decay heat exchanger received in the support barrel; a sodium-air heat exchanger provided at a position higher than the sodium-sodium decay heat exchanger; an intermediate sodium loop connecting the sodium-sodium decay heat exchanger with the sodium-air heat exchanger; and a primary pump, wherein a portion of the effective heat transfer tube of the sodium-sodium decay heat exchanger is immersed in the cold pool, particularly in a normal operating state, and the surface of the lower end of a shroud for the sodium-sodium decay heat exchanger, the lower end being immersed in the sodium of the cold pool, has perforated holes.

The invention relates to a permanent-magnetic motor, in particular to a ship propelling-type permanent-magnetic motor, which aims at solving the problems of the existing permanent-magnetic motor that the reliability in running is low, the capacity expansion is limited, the air-pore magnetic density is low, the power density is low, the structural strength is low, the temperature increasing is difficult for meeting the running requirement, and the oblique running working condition of a ship propelling system is difficult to satisfy. The ship propelling-type permanent-magnetic motor comprises a stand, a front end cover, a rear end cover, a stator structure, a rotor structure, a three-bearing structure and an air cooling structure; the rotor structure comprises a rotating shaft, an inner seal ring, a fan, a circular nut, a first rotor pressure ring, a rotor iron core, a second rotor pressure ring and a balance disc; the outer side surface of the first rotor pressure ring and the outer side surface of the second rotor pressure ring are respectively and uniformly provided with N outer teeth which are equally spaced along the circumferential direction; the outer ring of the end surface of the rotor iron core is circumferentially provided with N groups of magnetic steel grooves at intervals; each group of magnetic steel grooves consists of four magnetic steel grooves which are symmetrically distributed in a U shape. The ship propelling-type permanent-magnetic motor is applicable to a ship propelling system.

The present invention relates to a method of improving a heavy hydrocarbon, such as bitumen, to a lighter more fluid product and, more specifically, to a final hydrocarbon product that is refinery-ready and meets pipeline transport criteria without the addition of diluent. A solid asphaltene by-product is created for easy handling and further processing. The invention is targeted to enhance Canadian bitumen, but has general application in improving any heavy hydrocarbon. The process comprises: (a) pre-heating a process fluid in a heater to a designed temperature; (b) moving the pre-heated process fluid to a reactor, and optimally converting asphaltenes in the process fluid within the reactor to produce a stream of thermally affected asphaltene-nch fraction( s), and a stream of non-condensible vapour and lighter liquid hydrocarbon(s); (c) deasphalting the thermally affected asphaltene-nch stream with a solvent extraction process into a stream of heavy deasphalted oil (DAO) and a second stream containing concentrated asphaltene; (d) separating dry thermally affected asphaltene solids from the second stream in a separation unit, recovering the process solvent; (e) a produced refinery feedstock comprising at least one of the produced streams.

The invention relates to a spring drive for a closing element (2) of a motor vehicle, the spring drive having a spring mechanism (3) and a first drive connection (4) and a second drive connection (5), the first drive The joint and the second drive joint are displaceable relative to each other along a geometrical longitudinal axis (6), wherein the two drive joints (4, 5) are spring-preloaded away from each other by the spring mechanism (3) to In the extended state and wherein the drive joints ( 4 , 5 ) are displaceable toward each other against the spring pretension into the extended state. It is proposed that the spring mechanism ( 3 ) is designed as a tension spring mechanism, the tension of which extends along the geometrical longitudinal axis ( 6 ).

The invention discloses a selective catalytic reduction (SCR) after-treatment system urea supply device and a treatment method. The device comprises a urea tank which is connected with at least two urea metering pumps in parallel through wiring harnesses and pipelines. By the adoption of the technical scheme, the SCR after-treatment system urea supply device and the treatment method have the following technical effects that a single urea metering pump is changed into the two or more urea metering pumps connected in parallel, the multiple small-power urea metering pumps for vehicles are combined into a whole to replace a large-power urea metering pump, and therefore mass production of the urea metering pumps is facilitated, and production cost is remarkably reduced; in addition, after the urea metering pumps are connected in parallel, the number of the urea metering pumps can be increased or decreased according to the power requirement, so that flexibility, convenience and interchangeability of designing and matching are greatly improved; and the matching attribute of the urea demand quantity of an engine and the supply quantity of the urea metering pumps is better, the requirement for the power of different engines can be met, energy saving performance is good, consumption can be reduced effectively, and operation is reliable.

A long-distance heavy-duty drag chain supporting device, including a support frame extending horizontally and horizontally for carrying the drag chain and a supporting mechanism for supporting the upper section of the drag chain. The supporting bracket on the frame, the supporting wheels set on the supporting bracket at intervals to support the bottom of the upper section of the drag chain, the rollers arranged on the supporting bracket and located in the steering ring section of the drag chain, when the drag chain turns to the ring section The lateral movement can drive the roller to move laterally, thereby driving the support bracket to move laterally so that the upper section of the towline is always supported on the supporting roller. The invention has the advantages of simple structure and strong adaptability, and can effectively prevent the upper section of the towline from rubbing against the lower section of the towline. , prolong the service life of the drag chain.

The invention provides a spiral evaporator for a hydraulic filling type central air conditioning system. The spiral evaporator comprises an input pipe provided with a refrigerating agent inlet and an output pipe provided with a refrigerating agent outlet. Spiral pipe banks are arranged between the input pipe and the output pipe side by side. The two ends of each spiral pipe bank are communicated with the input pipe and the output pipe respectively. A separation board used for separating a refrigerating agent and engine oil is arranged in the input pipe. The separation board is distributed in the pipe diameter direction of the input pipe, so that the interior of the input pipe is divided into an upper space and a lower space which are communicated. By the adoption of the spiral evaporator for the hydraulic filling type central air conditioning system, engine oil backflow efficiency can be improved through the evaporator, the problems that refrigerating efficiency and operation reliability are lowered due to engine oil sedimentation of a refrigerating system can be effectively solved, the refrigerating efficiency of the air conditioning system adopting the spiral evaporator can be improved, operation reliability is improved to a great extent, and operation cost is reduced.

The invention provides an analysis method for reliability of numerical control equipment based on a hidden Markov chain. The method particularly comprises the following steps: 1, monitoring dynamic peThe invention provides an analysis method for reliability of numerical control equipment based on a hidden Markov chain. The method particularly comprises the following steps: 1, monitoring dynamic performance signals of the numerical control equipment, and abstracting the performance characteristic parameter values showing the change of the reliability of the numerical control equipment; 2, constrformance signals of the numerical control equipment, and abstracting the performance characteristic parameter values showing the change of the reliability of the numerical control equipment; 2, constructing a predictive model of the performance characteristic parameter values; 3, using the predictive model to predict the performance characteristic parameter values within the time needed for vectoructing a predictive model of the performance characteristic parameter values; 3, using the predictive model to predict the performance characteristic parameter values within the time needed for vectorization, and adopting the source coding method to vectorize the predictive values of the performance characteristic parameter values; 4, adopting the discrete hidden Markov chain model to identify thrization, and adopting the source coding method to vectorize the predictive values of the performance characteristic parameter values; 4, adopting the discrete hidden Markov chain model to identify the state transition probability of the numerical control equipment; and 5, utilizing the Chapman-Kolmogorov differential equation to establish a relational expression of the operational state and the se state transition probability of the numerical control equipment; and 5, utilizing the Chapman-Kolmogorov differential equation to establish a relational expression of the operational state and the state transition probability so as to deduce the probability of the numerical control equipment in different operating states, namely obtaining the reliability of the numerical control equipment. The mtate transition probability so as to deduce the probability of the numerical control equipment in different operating states, namely obtaining the reliability of the numerical control equipment. The method can accurately analyze, evaluate and predict the change of the reliability of the numerical control equipment before the numerical control equipment goes wrong, thereby avoiding the fault of theethod can accurately analyze, evaluate and predict the change of the reliability of the numerical control equipment before the numerical control equipment goes wrong, thereby avoiding the fault of the numerical control equipment and improving the operational reliability of the numerical control equipment.numerical control equipment and improving the operational reliability of the numerical control equipment.