F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 57/02 (2006.01) F02M 55/02 (2006.01) F02M 59/10 (2006.01) F02M 59/46 (2006.01) F02M 59/48 (2006.01) F02M 61/16 (2006.01) F02M 63/02 (2006.01) F02B 75/18 (2006.01) F02F 7/00 (2006.01) F02M 63/00 (2006.01)
Patent
CA 2116530
2116530 9307379 PCTABS00021 An actuator and valve assembly (28) for a hydraulically-actuated electronically-controlled unit injector (18) is disclosed which comprises an electrically-energizable actuator (36) including a movable member (42) and a poppet valve (38) connected to the movable member (42). The poppet valve (38) has a first seat (146) and a second seat (149) and is movable along an axis (26) between first, second and third positions. The assembly (28) further comprises a device (78) for biasing the poppet valve (38) towards its first position and a device (76, 80) for accommodating misalignment of the first and second seats (146, 149) relative to the axis (26). The poppet valve (38) is advantageous because it has high fluid flow control capability in a one-piece single-stage configuration.
Meints Edward G.
Stockner Alan R.
Caterpillar Inc.
Kirby Eades Gale Baker
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