Patent ID: 6113364
Filing Date: 2000-09-05
Classification: B60T,F04B

Abstract:
A pump unit (10) for a slip-controlled hydraulic brake system of motor vehicles, comprising a pump housing (11), a collection chamber (16) in the pump housing (11) that receives leaking brake fluid, an outflow bore (17, 18) that in an installed position of the pump unit (10) leads downward from the collection chamber (16) to an outside ambient air, a cylindrical body (20) that is press-fitted into the outflow bore (17, 18), said cylindrical body in one direction allows the outflow of leaking brake fluid and in another direction prevents the entry of splashing water and standing water, the body (20) comprises a porous sintered metal and is embodied as raised on a face end (23) toward the collection chamber.