发明名称 Upstream electrical supply pump for conveying fuel from fuel tank into low pressure input of fuel high pressure pump of pump assembly of motor car, has pump provided with external gears secured at stator of electromotor
摘要 <p>#CMT# #/CMT# The pump has an electromotor (4) provided with a stator (13) and a pump unit (5), where the pump unit is provided with internal gears (22), external gears (24) and a housing pot. A holding pin i.e. retaining ring, fastens the external gears at the stator. The stator, the internal gears and the external gears are secured with a work area or a plate in the housing pot. The external gears are provided with permanent magnets (17), where the external gears are secured at the stator and in the housing pot caused by magnetic forces produced by the permanent magnets. #CMT# : #/CMT# An independent claim is also included for a method for manufacturing a pump assembly. #CMT#USE : #/CMT# Upstream electrical supply pump for conveying fuel from a fuel tank into a low pressure input of a fuel high pressure pump of a pump assembly of a motor car. #CMT#ADVANTAGE : #/CMT# The external gears are secured at the stator and in the housing pot caused by the magnetic forces produced by the permanent magnets, so that components required for the pump can be reduced, thus manufacturing a pump assembly of a motor car with compact structure. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a perspective view of an upstream electrical supply pump. 4 : Electromotor 5 : Pump unit 13 : Stator 17 : Permanent magnets 22 : Internal gears 24 : External gears.</p>
申请公布号 DE102010031541(A1) 申请公布日期 2012.01.26
申请号 DE20101031541 申请日期 2010.07.20
申请人 ROBERT BOSCH GMBH 发明人 FUCHS, ALEXANDER;RAINER, RALF;PICHLER, ROBERT
分类号 F02M37/04;F04C2/18 主分类号 F02M37/04
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