System for controlling fluid flow

Details System for controlling fluid flow System for controlling fluid flow

2011-04-19

2011-04-19

Kamen, Noah (Department: 3783)

Internal-combustion engines

Valve

Rotary

C123S08000R, C123S0800BA

Reexamination Certificate

active

07926461

ABSTRACT:
A system for controlling fluid flow to or from a cylinder of an internal combustion engine is disclosed. The system includes a drive shaft having a rotary valve mounted thereon. The system also includes a cylinder head a cylinder head accommodating the rotary valve and at least part of the drive shaft therein, the rotary valve being arranged to selectively open or close a flow opening in the cylinder head. The system also includes a source of rotation and a mechanical drive train rotatably coupling the source of rotation to the drive shaft. The mechanical drive train has a non-circular element rotatably coupled to the source of rotation and a non-circular element rotatably coupled to the drive shaft. The non-circular elements are rotatably coupled to cause a speed variation in one of the non-circular elements upon a constant rotation of the other non-circular elements.

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