Automatic variator valve overlap or timing and valve section

Details Automatic variator valve overlap or timing and valve section Automatic variator valve overlap or timing and valve section

1993-07-26

1994-10-18

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9031, F01L 134

Patent

active

053558499

ABSTRACT:
An automatic variator for use in an internal combustion engine and other engines which use valve-type distribution systems, to operate a twin set of double-effect distribution sequential valve shafts for the purpose of regulating the valve overlap or timing and the valve opening section or to operate a double overhead camshaft with poppet valves for the purpose of regulating valve overlap or timing while the engine is running. A motor reducer advances a spindle against the valve shaft with a grooved screw at one end of the same, causing the shaft to turn and move, thereby varying the valve overlap or the valve section and valve overlap.

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