Engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
app pub date -
Dec 12, 2014
filing date -
Jun 15, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An engine includes a cylinder, a rocker chamber, an air filter, a crankcase and an oil return passage, wherein a rocker chamber cover is disposed above the cylinder, a cover plate is disposed at the top of the rocker chamber cover, a separation cavity is disposed between the rocker chamber cover and the cover plate, an oil drain passage is disposed in the separation cavity, and the oil drain passage at least includes partial inner wall of the separation cavity. According to the engine provided by the invention, lubricating oil in the separation cavity can be drained quickly by using the oil drain passage to prevent the lubricating oil in the separation cavity from being pressed into the air filter, thus being capable of decreasing the consumption of the lubricating oil when the engine is working and reducing contaminant emission.
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