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[CN 201610444675.4] hydraulic mechanical device


[CN 201610444675.4] Hydraulic Mechanical Device Title: Hydraulic Mechanical Device Application Number: CN 201610444675.4 Applicant: Danfoss Co., Ltd. Application Date: 2016-6-20 Patent Type: Invention Application describes a hydraulic mechanical device (1), which includes Housing (5), working part and cavity (14) in the housing (5), supply port devices Lpin, Hpin, Lpout connected to the working area, and a leakage path (7) between the working part and the cavity (14). It should be possible to detect wear using a simple method, for which purpose the housing (5) is provided with a leakage port (8) connected to the cavity.