专利名称：PUMP ASSEMBLY FOR SYNCHRONOUS
PRESSURIZATION OF TWO FLUID COLUMNS
发明人：SCHEPP, RENE,ALAZE, NORBERT申请号：EP08717651.7申请日：20080312公开号：EP2156055A1公开日：20100224
摘要：The invention relates to a pump assembly (10) for the synchronous
pressurization of two fluid columns comprising two internal gear pumps (11, 12) disposedtogether in a housing (13) and driven by a common drive shaft (14), the pinions of saidpumps being located in the associated pump chamber and engaging the internal gear(20) thereof. According to the invention, the two pinions (17, 17') of the internal gearpumps (11, 12) mesh with one of two gear rings (19, 19') of a common internal gear (20)designed and disposed as a separating wall between the pump chambers of the twointernal gear pumps (11, 120).
申请人：ROBERT BOSCH GMBH
地址：Postfach 30 02 20 70442 Stuttgart DE
国籍：DE
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