SYSTEME HYDRAULIQUE A CARTER DRAINE,申请号FR20130062756-传众专利搜索

SYSTEME HYDRAULIQUE A CARTER DRAINE

申请公布号：FR3014940(B1)

申请号：FR20130062756

申请日期：2013.12.17

申请公布日期：2016.01.15

申请人：

POCLAIN HYDRAULICS INDUSTRIE

发明人：VIDAL STEPHANE;MULOT JEREMIE;DEPIERRE GERY

分类号：F01C19/12;F16J15/16

主分类号：F01C19/12

摘要：The hydraulic system comprises a housing (10) in which there are arranged a hydraulic device (12), a shaft (14) engaged in the housing and a sealing device (16) between the shaft and the housing. The sealing device comprises first and second sealing elements (20, 22) arranged successively on the shaft, providing between them a discharge chamber (24) connected to a drain (26), the first sealing element being located between the discharge chamber and the inner space (11) of the housing. The system has, between the discharge chamber (24) and the inner space (11) of the housing, a communication pipe (28) in which a calibrated nozzle (30) is arranged.