Internal-combustion engines – Poppet valve operating mechanism – Hydraulic system
Patent
1992-02-03
1993-03-30
Cross, E. Rollins
Internal-combustion engines
Poppet valve operating mechanism
Hydraulic system
123 9015, F01L 902
Patent
active
051974193
ABSTRACT:
The invention relates to the hydraulic actuation and variable timed engine poppet valves. A conventional hydraulic pump pressurizes a rotor vane distributor, wherein hydraulic lines are appropriately timed and linked with a shuttle release valve which is linked with a hydraulic actuator/lifter apparatus. In one position the shuttle valve directs the fluid to the actuator; and a second position, wherein the fluid is dumped to a return line during the poppet valve return. The distributor is timed and driven from the engine power shaft and comprises a plurality of movable counter weights that advances the rotation of the distributor rotor as engine speed or R.P.M. increases. The system also relates to the hydraulic actuation and variable timed engine fuel injectors.
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Cross E. Rollins
Lo Weilun
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