Valve arrangement and valve guide

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11143146
APP PUB NO 20200332746A1
SERIAL NO

16305406

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A valve arrangement is provided for supplying air to a combustion chamber of an internal combustion engine, the valve arrangement including a first valve, the first valve including a first valve head, a first valve stem and an internal cavity, which is partly located in the first valve stem and open towards a lower surface of the first valve head, a valve guide arranged to surround a portion of the first valve stem such that the first valve stem is movable in the valve guide along a longitudinal direction between an upper, closed position of the valve, and a lower, open position, in which open position air may be supplied to the combustion chamber past the first valve head, the valve guide including an air passage allowing supply of additional air to the combustion chamber via the internal cavity in the first valve, when the first valve is in its closed position. The valve arrangement includes a guide leakage preventing means for preventing liquid from leaking from a region externally of the first valve stem to the valve guide air passage.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VOLVO TRUCK CORPORATION405 08 GÖTEBORG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Langervik, Lennart Onsala, SE 6 23
Svensson, Stig Arne Torslanda, SE 6 3

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