专利名称：PUMPING UNIT FOR FEEDING FUEL,
PREFERABLY DIESEL FUEL, FROM A STORAGETANK TO AN INTERNAL COMBUSTIONENGINE
发明人：FICARELLA, Giuseppe,MEDORO, Nello申请号：EP14798748.1申请日：20141105公开号：EP3071833A1公开日：20160928
摘要：A pumping unit has a fuel storage tank (2), a piston pump (6) for feeding thefuel to an internal combustion engine (3); a gear pump (7) for feeding the fuel from thestorage tank (2) to the piston pump (6), and a hydraulic circuit (46) which connectstogether the storage tank (2) and the internal combustion engine (3), extends through apump body (8) of the piston pump (6) so as to lubricate an actuating shaft (36) of thepiston pump (6) and has a collection branch (55) for collecting the fuel leaks resultingfrom the lubrication of said actuating shaft (36); the collection branch (55) beingconnected to an intake (37a) of the gear pump (7) so as to lubricate an actuating shaft(42) of the gear pump (7) with the fuel from said collection branch (55).
申请人：Robert Bosch GmbH
地址：Postfach 30 02 20 70442 Stuttgart DE
国籍：DE
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