In January 2013, TRW Automotive Group announced that its Passive Entry system has been installed in the Chrysler Group's 2013 2013 Ram truck . Compared to the traditional Remote Keyless Entry system, Passive Entry system It is more convenient to use. Bob Evans, VP of Electronic Products at TRW, said: “By integrating more functions of the access control system into a single electronic control unit, we aim to provide customers with more valuable and more capable RF products. The introduction of a passive access control system in the entire Ram truck reflects these two trends." Passive access control systems are leading a new trend in automotive comfort and safety. In terms of completeness, the remote control keyless entry system is interactive, that is, the user must press the key to open the door; while the passive access control system is passive, that is, they do not require any interactive action by the user. Open the door. "The passive access control system has many potential advantages. When the electronic key is recognized by the passive access control system, it can use a variety of functions, such as turning on the interior light at night and gently pressing it," said Ken Kaiser, VP of TRW's global electronic product design department. The start/stop button will start the engine. When the driver leaves the car leaving the car key in the car and forgetting to turn off the engine, he can also alert the driver."
Heat exchanger with spiral plate design is formed by steel plate bundle as a whole, forming two identical spiral channels. Two heat transfer medium are meant to meet a counter-current flow, to greatly enhance the heat exchange effect.
It will work well for steam-steam, steam-liquid, liquid-liquid heat transfer, which is applied in chemical, petroleum, solvent, medicine, food, light industry, textile, metallurgy, coking and other industries. The structure is divided into non-detachable spiral Plate Heat Exchanger and detachable spiral plate heat exchanger, according to different customers` requirements.
Most of the time, SS304 is the main material. It protects the exchanger from corrosion over time, while ensuring great transfer efficiency. Pressure range 1.0MPa~2.5MPa also gives the plate heat exchanger a certain bearable requirements.
Distance column, special steel bar inside of the spiral plate heat exchanger, also contributes to its stable connection between plates, and also offers a turbulence flow among the channel for efficiency consideration.
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