Patent ID: 8628295
Filing Date: 2014-01-14
Classification: F01P,F04B,F04D,F05D

Abstract:
1. Regulatable coolant pump having a pump housing ( 1 ), a pump shaft ( 4 ) mounted in/on the pump housing ( 1 ) in a pump bearing ( 2 ) and driven by a pulley ( 3 ), an impeller ( 5 ) disposed on a free, flow-side end of this pump shaft ( 4 ), so as to rotate with it, a pressure-activated valve slide, spring-loaded by means of a return spring ( 6 ), having a back wall ( 7 ) and an outer cylinder ( 9 ) that variably covers the outflow region of the impeller ( 5 ), disposed in the pump interior ( 8 ), as well as a shaft sealing ring ( 11 ) disposed in a seal accommodation ( 10 ), between the impeller ( 5 ) and the pump bearing ( 2 ), in the pump housing ( 1 ), wherein a working housing ( a ring piston working sleeve ( a profile seal ring ( the return spring ( a bypass seal ( a working space ( a working piston ( a pressure spring contact ( a rod seal ( an inflow space ( a magnetic armature ( a pressure spring ( an armature stop ( one/multiple inflow opening(s) (