Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-05-04
1979-10-30
Croyle, Carlton R.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123119D, F02M 2506
Patent
active
041724372
ABSTRACT:
A fluid flow regulator controls the amount of fluid flow or pressure of the fluid flowing through the regulator by producing an impedance to flow through the regulator which varies in relationship to the pressure differential across the regulator and which also varies in relationship to an acceleration in the fluid flowing through the regulator. The regulator has a shape which produces an acceleration in the fluid flowing through the regulator to cause the flow itself to vary the impedance to flow through the regulator. In a specific embodiment the fluid flow regulator is a vortex chamber and can be used as a replacement for existing, mechanical PCV valves for internal combustion engines. The flow regulator of the present invention provides a variable orifice valve function without any moving parts.
REFERENCES:
patent: 3181833 (1965-05-01), Adams et al.
patent: 3195303 (1965-07-01), Widell
patent: 3490474 (1970-01-01), Larson
patent: 3542005 (1970-11-01), Von Brimer
patent: 3545416 (1970-12-01), Von Brimer
patent: 3754538 (1973-08-01), Ephraim, Jr. et al.
patent: 4027635 (1977-06-01), Goto et al.
Croyle Carlton R.
Owen, Wickersham & Erickson
Smith Leonard E.
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