Hydrodynamic converter with a bridging coupling

PCT No. PCT/EP93/01925 Sec. 371 Date Jan. 18, 1995 Sec. 102(e) Date Jan. 18, 1995 PCT Filed Jul. 21, 1993 PCT Pub. No. WO94/02759 PCT Pub. Date Feb. 3, 1994A bridging coupling is actuated by an annular piston to which the converter's internal pressure is applied on one side thereof in an openin...

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Hauptverfasser:	L+E,UML O+EE FFLER, ALFONS, SCHWARZ, JOSEF
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Zusammenfassung:	PCT No. PCT/EP93/01925 Sec. 371 Date Jan. 18, 1995 Sec. 102(e) Date Jan. 18, 1995 PCT Filed Jul. 21, 1993 PCT Pub. No. WO94/02759 PCT Pub. Date Feb. 3, 1994A bridging coupling is actuated by an annular piston to which the converter's internal pressure is applied on one side thereof in an opening direction and a closing pressure is applied in the closing direction. The closing pressure is controlled by a precontrolled regulating valve depending on the output pressure of the converter and on a control pressure that depends upon further operating parameters. With the coupling open, the closing pressure in the closing pressure chamber remains below the internal pressure of the converter by a specified value. This ensures that the bridging coupling responds quickly and can be precisely regulated within narrow tolerances. In addition, only relatively little power is needed for the regulation.