Engine airflow management system
OwnerSteven Vermeerinventor
Life of this patent
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Abstract
A rotary valve assembly for an internal combustion engine is herein disclosed. The rotary valve assembly comprises a valve body having a number of ports formed therethrough and a bore that intersects these ports such that a valve cylinder inserted into the bore may selectively occlude or open the ports of the valve body. Cutouts formed into the valve cylinder facilitate the opening of the ports as they are rotated into alignment with the ports of the valve body. The rotary valve assembly may be used as a throttle mechanism by sliding the valve cylinder longitudinally within the bore of the valve body so as to control the aspect of the cutouts or bores formed into the valve cylinder that is presented to the ports.
Claims24
A rotary valve mechanism comprising:
- a valve body having a bore formed therein and an exhaust port formed therethrough that intersects the bore and an intake port formed therethrough that intersects the bore;
- and a solid valve cylinder constructed and arranged to be rotatably received within the bore formed in the valve body, the valve cylinder having formed into the cylindrical surface thereof first and second cutouts that respectively corresponds to the intake and exhaust ports formed through the body, the first cutout being constructed and arranged to address the intake port, thereby selectively permitting fluidic communication through the intake port of the valve body as the valve cylinder rotates within the bore, the second cutout being constructed and arranged to address the exhaust port, thereby selectively permitting fluidic communication through the exhaust port of the valve body as the valve cylinder rotates within the bore.
A rotary valve and throttle mechanism comprising:
- a valve body having a bore formed therein and an exhaust port formed therethrough that intersects the bore and an intake port formed therethrough that intersects the bore;
- and a valve cylinder constructed and arranged to be rotatably received within the bore formed in the valve body, the valve cylinder having formed into the cylindrical surface thereof first and second cutouts that respectively corresponds to the intake and exhaust ports formed through the body, the first cutout being constructed and arranged to address the intake port, thereby selectively permitting fluidic communication through the intake port of the valve body as the valve cylinder rotates within the bore, the second cutout being constructed and arranged to address the exhaust port, thereby selectively permitting fluidic communication through the exhaust port of the valve body as the valve cylinder rotates within the bore, the valve cylinder being longitudinally slidable within the bore formed in the valve body such that the size of an aspect of each of the first and second cutouts that is addressed to its respective port may be controlled.
A rotary valve and throttle mechanism comprising:
- a valve body having a bore formed therein and at least one port formed therethrough that intersects the bore;
- and a valve cylinder constructed and arranged to be rotatably received within the bore formed in the valve body, the valve cylinder having formed entirely therethrough at least one diametrical bore formed along a diameter of the valve cylinder and constructed and arranged to implement the proper valve sequence of a two-stroke internal combustion engine, the at least one bore being constructed and arranged to address its respective port thereby selectively permitting fluidic communication through the port of the valve body;
- the valve cylinder being longitudinally slidable within the bore formed in the valve body such that the size of an aspect of the at least one bore that is addressed to its respective port may be controlled.
Dependencies are inferred from the claim text.