专利名称：CIRCUIT FOR ENABLING OR DISABLING
HYDRAULIC ACTUATING DEVICES
发明人：Reinhardt Thoms申请号：US11561651申请日：20061120
公开号：US20070125225A1公开日：20070607
专利附图：
摘要：The invention relates to a circuit for enabling or disabling hydraulic actuatingdevices, in particular for enabling the braking system of a hydraulic propel drive, having adevice for checking the pressure level in working lines or control lines of hydraulic
circuits, a maximum or minimum pressure level being checked in two or more workinglines or control lines. An ‘OR’ logic circuit is provided for checking the pressures. Insaid ‘OR’ logic circuit, two or more pistons are arranged in series in a common bore. Ineach case one of the pressures to be checked is introduced into one of the spacesbetween the pistons and the space between one of the pistons and the base of the bore.
申请人：Reinhardt Thoms
地址：Neumunster DE
国籍：DE
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