| 摘要 |
The object of the invention is to provide a filter such that can monitor the filtering process and inject oil prior to the startup of the engine so as to reduce the resistance to startup and cut down the wear of each part as well. The filter is composed of a flat AC motor, a transmission, an oil pump, a check valve, an oil rule of intake pipe, a filtering core, glass housing and a base. The flat AC motor, transmission, oil pump, oil intake pipe of check valve and oil rule of intake hose are connected in turn to form the cover of the filter. The filtering core is mounted in the glass housing, and the base is same as those of filters in the prior art.
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