Engine valve assembly

Details Engine valve assembly Engine valve assembly

2007-07-10

2007-07-10

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Valve

Rotary

Reexamination Certificate

active

10867300

ABSTRACT:
An inventive engine valve assembly may comprise a rotatable shaft having a fluid passageway extending therethrough, preferably in a direction orthogonal to the longitudinal axis of the shaft. The shaft may be positioned such that the fluid passageway is in communication with an engine cylinder during selected portions of shaft rotation. The shaft may be arranged to rotate with the crankshaft. When used as an intake valve, the valve may be arranged to allow fluid communication with the cylinder during an intake stroke. When used as an exhaust valve, the valve may be arranged to allow fluid communication with the cylinder during an exhaust stroke.

REFERENCES:
patent: 1299264 (1919-04-01), Thayer
patent: 3948227 (1976-04-01), Guenther
patent: 5706775 (1998-01-01), Schweter et al.
Internet Article entitled How Car Engines Work, Internal Combustion, by Marshall Brain dated Apr. 23, 2004, 1 Page.
Internet Article entitled How Car Engines Work, Other Parts of an Engine, by Marshall Brain dated Apr. 23, 2004, 2 Pages.
Internet Article entitled How Car Engines Work, Valve Trains, by Marshall Brain dated Apr. 23, 2004, 1 Page.
Internet Article entitled How Two-Stroke Engines Work, Two-Stroke Basics, by Marshall Brain dated Apr. 23, 2004, 2 pages.
Internet Article entitled How Two-Stroke Engines Work, The Two Stroke Cycle, by Marshall Brain dated Apr. 23, 2004, 2 Pages.
Internet Article entitled Cruising, Four-Cylinder Car Engines, dated Apr. 29, 2004, 2 pages.

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