Internal-combustion engines – Four-cycle – Single poppet valve
Patent
1989-08-24
1990-02-20
Wolfe, Willis R.
Internal-combustion engines
Four-cycle
Single poppet valve
F01L 128
Patent
active
049016830
ABSTRACT:
A two part intake or exhaust valve comprising an inner and an outer valve, both circular in shape, with the inner valve having a longer stem of a smaller radius to extend above the outer valve. The outer valve has a hollow stem large enough to accept the inner valve, also a valve seat in the center of its bottom face to seat the inner valve, and the top side of its base is equipped with vents. Both valves have separate springs of appropriate size affixed under valve spring retainers and retainers locked in place with retainer locks. The inner valve is equipped with a groove under the retainer to accept a heavy clip or stop disc. The purpose of this valve mechanism is to create a two stage event when atmosphere enters or exits a combustion chamber. This will allow more atmosphere to enter or exit the combustion chamber than is possible with a single valve arrangement. In addition, this will cause two different speeds of atmospheric movement, creating low pressure in the center, via the inner valve, creating a vortexial storm or swirl effect. The result is more power and better fuel efficiency than can be realized with state of the art valve arrangements.
REFERENCES:
patent: 2439618 (1948-04-01), Cloutier
patent: 3060916 (1962-10-01), Buchi
patent: 3881459 (1975-05-01), Gaetcke
patent: 3987769 (1976-10-01), Yew
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