The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 2016
Filed:
Aug. 21, 2012
Dirk Wenderott, Castrop-Rauxel, DE;
Andreas Kandzior, Neuenrade, DE;
Jens Holger Ulrich, Neuenrade, DE;
Dirk Wenderott, Castrop-Rauxel, DE;
Andreas Kandzior, Neuenrade, DE;
Jens Holger Ulrich, Neuenrade, DE;
Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG, Werdohl, DE;
Abstract
A coolant system for machine tools, includes a pump () for the coolant, at least one consumer (), a pressure sensor () for detecting an actual pressure (P) in the coolant system, a feedback control device () acting upon the pump () for regulating the pressure in the coolant system to a target pressure (P), and a limiting valve () for limiting the pressure of the coolant supplied to the consumer, wherein in that the opening pressure (P) of the limiting valve () is variable and the feedback control device () is adapted to adjust the opening pressure in accordance with the target pressure (P) such that it is always a certain amount larger than the target pressure.