US Patent 7688193 Oil level detection device for internal combustion engine
Patent 7688193 was granted and assigned to Honda on March, 2010 by the United States Patent and Trademark Office.
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An oil level detection device for an internal combustion engine, which comprises: a housing permitting entry therein of oil; a float provided within the housing and vertically movable with the oil entered in the housing; a switch for performing switching operation in response to the vertical movement of the float within the housing; protrusions provided, on the upper surface of the float, for preventing the float from sticking to the ceiling of the housing due to viscosity of the oil; and protrusions provided, on the bottom of the housing, for preventing the float from sticking to the bottom of the housing due to viscosity of the oil.
US Patent 07688193 Oil level detection device for internal combustion engine US Patent 7688193 Oil level detection device for internal combustion engine
US Patent 07688193 Oil level detection device for internal combustion engine
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