Coolant system for machine tools

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United States of America Patent

PATENT NO 9488421
APP PUB NO 20140262197A1
SERIAL NO

14358522

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Abstract

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A coolant system for machine tools, includes a pump (12) for the coolant, at least one consumer (10), a pressure sensor (24) for detecting an actual pressure (Pi) in the coolant system, a feedback control device (22) acting upon the pump (12) for regulating the pressure in the coolant system to a target pressure (Ps), and a limiting valve (26) for limiting the pressure of the coolant supplied to the consumer, wherein in that the opening pressure (Plim) of the limiting valve (26) is variable and the feedback control device (22) is adapted to adjust the opening pressure in accordance with the target pressure (Ps) such that it is always a certain amount larger than the target pressure.

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Patent Owner(s)

Patent OwnerAddress
BRINKMANN PUMPEN K H BRINKMANN GMBH & CO KG58791 WERDOHL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kandzior, Andreas Neuenrade, DE 1 1
Ulrich, Jens Holger Neuenrade, DE 1 1
Wenderott, Dirk Castrop-Rauxel, DE 6 27

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