Oil control valve for cam phaser

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11181015
APP PUB NO 20200370450A1
SERIAL NO

16420550

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An oil control valve for controlling a cam phaser includes a valve housing, a recirculation housing, a spool guide, a spool, a first and second recirculation valve, and a one-way inlet valve. The valve housing has a pressure inlet port, a first bore having a first inner surface, a first port, and a second port. The recirculation housing has a first slot, a second slot, a second bore having a second inner surface, and a first outer surface. A first recirculation valve is disposed in the first slot of the recirculation housing. A second recirculation valve is disposed in the second slot of the recirculation housing. The one-way inlet valve disposed in the pressure inlet port. The recirculation housing and spool are each slidingly disposed to have a first, second, and third modes.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLC300 RENAISSANCE CENTER MAIL CODE 482-C24-A68 P O BOX 300 DETROIT MI 48265

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Huerta, Ortiz Rolando Grandville, US 3 3
McCarroll, Michael E Kentwood, US 14 234

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