Pressure control valve arrangement having an eccentrically mounted double magnet

Abstract

A pressure control valve arrangement is described for controlling the fluid pressure in an ABS brake system of a vehicle so that, during a tendency of individual wheels of the vehicle to lock, the brake pressure in at least one assigned brake cylinder can be matched adaptively, a) two diaphragm valves and two electromagnetic control valves, activatable by an electronic control device, for the pilot control of the diaphragm valves being provided in the housing of the pressure control valve arrangement, b) the two electro-magnetic control valves having a double magnet with two magnet coils and also magnet armatures cooperating with solenoid valve seats and actuable by current being applied to the magnet coils, c) the housing having at least one pressure medium connection, connected to a service brake valve, for acting with pressure upon and/or relieving the pressure of the pressure control valve arrangement and also at least one working connection for connecting to the brake cylinder, characterized in that d) a plane of symmetry of the mid-axes of the magnet coils of the double magnet of the electromagnetic control valves is arranged parallel, and offset by the amount of an eccentricity, with respect to a mid-axis of the pressure medium connection.

1 - 8 . (canceled) 
     
     
         9 . A pressure control valve arrangement for controlling a fluid pressure in an ABS brake system of a vehicle so that, during a tendency of individual wheels of the vehicle to lock, a brake pressure in at least one assigned brake cylinder can be matched adaptively, comprising:
 two diaphragm valves and two electromagnetic control valves, activatable by an electronic control device, for a pilot control of the diaphragm valves being provided in a housing of the pressure control valve arrangement, the two electromagnetic control valves having a double magnet with two magnet coils and also magnet armatures cooperating with solenoid valve seats and actuable by current being applied to the magnet coils, the housing having at least one pressure medium connection, connected to a service brake valve, for acting at least one of with pressure upon and relieving the pressure of the pressure control valve arrangement and also at least one working connection for connecting to the brake cylinder;   wherein a plane of symmetry of the mid-axes of the magnet coils of the double magnet of the electromagnetic control valves is arranged parallel, and offset by the amount of an eccentricity, with respect to a mid-axis of the pressure medium connection.   
     
     
         10 . The pressure control valve arrangement of  claim 9 , wherein the housing includes at least one through bore which issues in side faces of the housing and which is configured as a holding arrangement for holding the pressure control valve arrangement on a carrier body, the plane of symmetry of the mid-axes of the magnet coils of the double magnet of the two electromagnetic control valves being arranged, offset by the amount of the eccentricity with respect to a plane of symmetry of the through bore, the plane of symmetry being arranged perpendicularly to a mid-axis of the through bore. 
     
     
         11 . The pressure control valve arrangement of  claim 10 , wherein in one diaphragm valve of the diaphragm valves, the surface normal running perpendicularly with respect to the assigned diaphragm is arranged parallel to the mid-axis of the through bore and perpendicularly to the mid-axis of the pressure medium connection, and, in the other diaphragm valve, the surface normal running perpendicularly with respect to the assigned diaphragm is arranged perpendicularly to the mid-axis of the through bore and perpendicularly to the mid-axis of the pressure medium connection. 
     
     
         12 . The pressure control valve arrangement of  claim 11 , wherein a cover closing a pilot control space of one diaphragm valve with respect to the outside and fastened to the housing is composed of at least one plastic. 
     
     
         13 . The pressure control valve arrangement of  claim 11 , wherein a cover closing a pilot control space of the other diaphragm valve with respect to the outside and fastened to the housing is composed of at least one plastic. 
     
     
         14 . The pressure control valve arrangement of  claim 12 , wherein at least one of the covers at the same time closes a pressure medium duct formed in the housing and separated from the respective pilot control space. 
     
     
         15 . The pressure control valve arrangement of  claim 9 , wherein the pressure medium connection is provided for connection to a service or foot-operated brake valve of a pressure medium-actuated brake apparatus of a vehicle. 
     
     
         16 . A traction-controlled and pressure medium-actuated brake apparatus of a vehicle, comprising:
 at least one pressure control valve arrangement for controlling a fluid pressure in an ABS brake system of a vehicle so that, during a tendency of individual wheels of the vehicle to lock, a brake pressure in at least one assigned brake cylinder can be matched adaptively, including:
 two diaphragm valves and two electromagnetic control valves, activatable by an electronic control device, for a pilot control of the diaphragm valves being provided in a housing of the pressure control valve arrangement, the two electromagnetic control valves having a double magnet with two magnet coils and also magnet armatures cooperating with solenoid valve seats and actuable by current being applied to the magnet coils, the housing having at least one pressure medium connection, connected to a service brake valve, for acting at least one of with pressure upon and relieving the pressure of the pressure control valve arrangement and also at least one working connection for connecting to the brake cylinder; 
 wherein a plane of symmetry of the mid-axes of the magnet coils of the double magnet of the electromagnetic control valves is arranged parallel, and offset by the amount of an eccentricity, with respect to a mid-axis of the pressure medium connection.