Method and apparatus for electrically driving engine valves

Details Method and apparatus for electrically driving engine valves Method and apparatus for electrically driving engine valves

1992-12-22

1994-07-12

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

Electrical system

123 9015, 123 9017, 25112905, 25112911, F01L 904

Patent

active

053278569

ABSTRACT:
Each valve of an internal combustion engine is driven by a separate rotary electric motor. A cam mechanism for the valves comprises a cylindrical cam in line with the motor axis and the valve stem, the mechanism having inner and outer cylinders, one cylinder rotating with the motor and carrying a cam and the other containing a cam follower and reciprocating with the valve.

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"High-Performance Motion Profiles", David T. Robinson, Creonics Inc. Motion, Mar./Apr. 1990.

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