GEAR SHIFTING ASSEMBLY FOR CHANGE SPEED TRANSMISSIONS

A gear shifting assembly for changing the speed positions of a transmission in an automotive vehicle has a hydraulic gear selector motor whose piston rod is normal to the piston rod of a hydraulic gear shifting motor. The cylinder of the gear shifting motor has two chambers one of which receives pre...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SAUER J,DT
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A gear shifting assembly for changing the speed positions of a transmission in an automotive vehicle has a hydraulic gear selector motor whose piston rod is normal to the piston rod of a hydraulic gear shifting motor. The cylinder of the gear shifting motor has two chambers one of which receives pressurized fluid to engage a selected gear and the other of which receives pressurized fluid to disengage a gear. The flow of fluid to and from the two chambers is controlled by a twin check valve which has two discrete one-way valves, one for each chamber and two flow restrictors each connected in parallel with a different one-way valve. When the pressure of fluid in one of the chambers rises to a preselected value, the corresponding one-way valve opens the other one-way valve to allow for practically unimpeded flow of fluid from the other chamber.