A speed change control unit of an automatic transmission for automobiles including a hydraulic servo for achieving speed change operations electrically and hydraulically controlled depending upon the operating state of an engine. The flow rate of working oil for the servo having a substantially constant...http://www.google.es/patents/US4524645?utm_source=gb-gplus-sharePatente US4524645 - Speed change control unit of automatic transmission for automobiles utilizing fluid flow rate
Speed change control unit of automatic transmission for automobiles ...
