Method for operating variable flow pump of automatic transmission of vehicle e.g. motor car, involves operating variable flow pump as constant delivery pump during defined operating situations

The method involves controlling the capacity of a variable flow pump (5) dependent on an operational hydraulic pressure requirement and an operational hydraulic volumetric flow requirement of an automatic transmission (3). The variable flow pump is operated (11) as a constant delivery pump during de...

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Bibliographische Detailangaben
Hauptverfasser: ROEGNER, HORST, HAUPT, JOSEF
Format: Patent
Sprache:eng ; ger
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