Lubricant pump system

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United States of America Patent

PATENT NO 8992184
APP PUB NO 20120148423A1
SERIAL NO

13377463

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Abstract

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A lubricant pump system may include a lubricant pump controlled by a proportional valve. An actuating unit may be disposed in the lubricant pump and configured to control a delivery output of the lubricant pump. A first pressure chamber and at least one second pressure chamber may be configured to adjust the actuating unit against a spring, wherein the second pressure chamber is smaller than the first pressure chamber. In response to a failure of the proportional valve, the lubricant pump may be exclusively pressurized via the at least one second pressure chamber.

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Patent Owner(s)

Patent OwnerAddress
MAHLE INTERNATIONAL GMBHMAUSERSTRASSE (MAUSERSTRASSE) 3 STUTTGART 70469

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wagner, René Schleusingen, DE 1 8

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