Spring structure for mechanical oil pump

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12158206
APP PUB NO 20240328485A1
SERIAL NO

18713468

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Importance

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Abstract

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A torsion spring for an oil pump chain tensioner for use in an engine. The torsion spring has: a second end; a leg connected to the second end through a hook bend; an outer coil connected to the leg having an outer coil outer circumference and an outer coil inner circumference; a first inner coil connected to the outer coil, the first inner coil having a first inner coil outer circumference and a first inner coil inner circumference, the outer coil inner circumference being adjacent to the first inner coil outer circumference; and a second inner c-shaped coil connected to the first inner coil through a bend back loop, the second inner coil having a second inner coil outer circumference and a second inner coil inner coil circumference and terminating in a first end, where the second inner coil outer circumference and the first coil inner circumference define a gap.

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Patent Owner(s)

Patent OwnerAddress
BORGWARNER INC3850 HAMLIN ROAD AUBURN HILLS MI 48326

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Joe, KyungChul Gyeonggi-do, KR 1 0

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