Upper structure of engine

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12209528
APP PUB NO 20250027434A1
SERIAL NO

18745457

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An upper structure of an engine in which secondary air is supplied to an exhaust port of an engine. The upper structure includes: a cylinder head in which an exhaust camshaft and an intake camshaft are installed; a cylinder head cover fixed on the cylinder head by fastening members; a reed valve configured to prevent backflow of exhaust gas from the exhaust port to an upstream side; and an ignition plug positioned between the intake camshaft and the exhaust camshaft. An accommodating portion for accommodating the reed valve is provided adjacent to the ignition plug above the exhaust camshaft in the cylinder head cover. A supply path for introducing secondary air from the accommodating portion to the exhaust port is formed on an opposite side of the cylinder head cover from the ignition plug across the exhaust camshaft.

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First Claim

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Patent Owner(s)

  • SUZUKI MOTOR CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takashiba, Yasuto Hamamatsu, JP 9 1
Yamada, Shinichi Hamamatsu, JP 177 2853

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Jul 28, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 28, 2032
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