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In addition to the oil wedge pressure generated by the uniform speed load, the actual oil film pressure in the bearing also bears the pressing force generated by the circumferential and radial displacement during the rotation of the crankshaft. Therefore, when the rotation speed is fixed, the

  Pressure relief valve working principle / relief valve working principle The working principle of the ZJY46H combined pressure reducing valve is that the pressure of the regulating cavity is controlled by the control valve and the jet pump on the feedback system so that the pressure of the p

Recently, Lanzhou Polytechnic University Institute of Dynamical Yang Feng Yu successfully developed a composite carbon fiber spacer magnetic pump , effectively solve the problem of inefficient ordinary magnetic pump. It is reported that the successful development of composite carbon fiber spacer mag

In addition to import tariffs due to tariffs and orders, the local environment of the exporting country also affected the import of domestic parts. Parts imported from Europe and other places were delayed due to local floods during the first few months. A few months ago, orders were shipped t

With the growth of the domestic economy, it is expected that the demand for door and window hardware in the domestic market will further increase. The urbanization process is driven by the fact that door and window hardware products are used in public places such as shopping malls, office

According to the financial report released by the French tire manufacturer Michelin Group on February 12, 2013, due to the strong growth in North America and Asia offsetting the negative impact of shrinking markets in Europe and South America, the group’s operating profit in 2012 reac

Geothermal heating and geothermal power generation are the main targets for the development and utilization of geothermal energy during the “Twelfth Five-Year Plan” period. The use of shallow geothermal energy in the form of heat pumps is the main method for the development and