초록 ▼

A solenoid valve having a first seat valve for performing a closing function and a second seat valve, connected in parallel thereto, for a pressure-limiting function. A pressure medium spilled by the second seat valve flows off through a flow-off bore acting as a throttle. Pressure surges are thus l

A solenoid valve having a first seat valve for performing a closing function and a second seat valve, connected in parallel thereto, for a pressure-limiting function. A pressure medium spilled by the second seat valve flows off through a flow-off bore acting as a throttle. Pressure surges are thus largely avoided in the part of the brake system located on the flow-off side. The solenoid valve can be used in controlled-slip hydraulic brake system of motor vehicles.

대표청구항 ▼

A solenoid valve (10) with pressure limitation for controlled-slip hydraulic motor vehicle brake systems, comprising a valve seat (33) surrounding a valve orifice (32) and with a closing member (34) of a first seat valve (35), said closing member cooperating with said valve seat (33) and assuming an

A solenoid valve (10) with pressure limitation for controlled-slip hydraulic motor vehicle brake systems, comprising a valve seat (33) surrounding a valve orifice (32) and with a closing member (34) of a first seat valve (35), said closing member cooperating with said valve seat (33) and assuming an open position under an effect of a return spring (38), a valve tappet (21), by means of said valve tappet (21) the first seat valve (35) is transferred into a closed position as a result of an effect of a magnetic force, and a closing-member carrier (44) which is received in the valve tappet so as to be longitudinally movable in the valve tappet (21) and which is under the effect of a pretensioned compression spring (46) arranged in the valve tappet, the closing member (34) of the first seat valve (35) is fixedly connected to the valve tappet (21), starting with the closing member (34) of the first seat valve (35), a longitudinal bore (41) passes through the valve tappet (21), said longitudinal bore (41) is in axial alignment with the valve orifice (32) of the first seat valve and said longitudinal bore opens into a valve seat (42) of a second seat valve (43), the closing-member carrier (44) in the valve tappet (21) includes a closing member (45) of the second seat valve (43), said closing member (45) of the second seat valve (43) assumes a closed position under an effect of the pretensioned compression spring (46) and for pressure limitation is transferred into an open position by means of hydraulic forces, if the first seat valve (35) assumes a closing position and a throttle point (49, 50) is provided on the inflow side and/or on the flow-off side of the second seat valve (43).