F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/131, 123/135
F02M 51/08 (2006.01) F02M 61/16 (2006.01)
Patent
CA 1320401
ABSTRACT OF THE DISCLOSURE A pico fuel injector valve (10) adapted to be received in an injector socket provided in an air intake manifold (12) of an internal combustion engine having an integral fuel rail (14). The fuel injector valve has magnetically permeable cylindrical housing (26) having radial inlet ports (24) and an armature guide bore (32). A valve seat member (40) having an outlet port and a valve seat (48) is attached to the end of the cylindrical housing (26) having the guide bore. An orifice plate (56) having a calibrated orifice is disposed in an orifice plate recess (50) provided in the face of the valve seat member (40). A stator (76) disposed in the cylindrical housing has an axially disposed pole member (78) and radial flange (80) attached to the other end of the cylindrical housing. A solenoid coil is wound directly around the pole member (78). An armature (34) is reciprocally disposed in the guide bore (32) and has a valve element provided on the face adjacent to the valve seat, a single annular seal (90) disposed intermediate the inlet ports (24) and the solenoid coil (86) is the only internal seal of the pico fuel injector valve. Electrical connection to the solenoid coil (86) is made through a pair of electrical terminal (94) extending external to the rear end of the pico fuel injector valve through the stator's radial flange (80). (Figure 2)
582059
Casey Gary L.
Mcarthur Robert A.
Borden Ladner Gervais Llp
Siemens Automotive L.p.
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