Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Reexamination Certificate
2006-12-12
2006-12-12
Argenbright, Tony M. (Department: 3747)
Internal-combustion engines
Two-cycle
Whirl through piston-controlled ports
C251S314000
Reexamination Certificate
active
07146941
ABSTRACT:
A rotary valve which can securely shut off a fluid flow without improving a working accuracy of an outer peripheral surface of a valve and an inner diameter portion of a body, and which has a simple and compact structure, wherein a gap is formed between the outer peripheral surface of the valve and the inner diameter portion of the body, a lip portion of seal means attached within a second lead air flow path is brought into contact with the outer peripheral surface of the valve on the basis of an elastic force of a support portion, and the lip portion securely seals between the second lead air flow path and the gap.
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Argenbright Tony M.
Everest Intellectual Property Law Group
Harris Katrina
Komatsu Zenoah & Co.
Leonard Michael S.
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