US 7,513,482 B2
Actuator for controlling brake hydraulic pressure and solenoid valve thereof
Takayuki Shibata, Nagoya (Japan); Koji Yanai, Kariya (Japan); Toru Fujita, Obu (Japan); and Tomoaki Kawabata, Takahama (Japan)
Assigned to Advics Co., Ltd., Kariya, Aichi (Japan)
Filed on Oct. 31, 2006, as Appl. No. 11/589,896.
Claims priority of application No. 2005-327724 (JP), filed on Nov. 11, 2005; application No. 2005-327740 (JP), filed on Nov. 11, 2005; and application No. 2006-218778 (JP), filed on Aug. 10, 2006.
Prior Publication US 2007/0108401 A1, May 17, 2007
Int. Cl. F16K 31/02 (2006.01)
U.S. Cl. 251—129.15  [251/903; 303/119.2; 303/119.3] 5 Claims
OG exemplary drawing
 
1. A solenoid valve for an actuator for controlling brake hydraulic pressure, said solenoid valve comprising:
a yoke comprising a pair of parallel flanges each having first and second ends and a web connected to said second ends of said flanges, said yoke having a substantially U-shaped section;
a bobbin received in said yoke;
a current-excited coil wound around said bobbin, forming a coil winding;
a movable core provided inside said bobbin so as to be movable in an axial direction of said bobbin, and including a valve rod;
a valve body disposed at a free end of said valve rod; and
a valve seat having a seating surface;
said valve body being configured to be moved into and out of contact with said seating surface of said valve seat when said movable core moves in the axial direction of said bobbin;
said flanges having a width that is greater than a diameter of said coil winding and smaller than the sum of the diameter of said coil winding and a thickness of said yoke;
said flanges each having said first end thereof extending substantially along an outer peripheral edge of said coil winding;
a plurality of said solenoid valves being configured to be mounted, independently of each other, in a housing of the actuator in a plurality of rows and a plurality of columns.