Reed valve for an internal combustion engine

Details Reed valve for an internal combustion engine Reed valve for an internal combustion engine

2006-05-23

2006-05-23

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Two-cycle

Rear compression

C137S855000

Reexamination Certificate

active

07047918

ABSTRACT:
A reed valve for an internal combustion engine has petals which are curved, such that each petal has a concave surface that faces a concave surface of another petal. The curvature of the petals makes the petals more responsive to changes in pressure, thus enabling the valve to begin to open or close more rapidly. The petals preferably have a permanent curvature, and may also be tapered, so that their thickness is least at their distal ends. The reed valve made with the petals described above enhances the performance of internal combustion engines.

REFERENCES:
patent: 5103867 (1992-04-01), Wu
patent: 5143027 (1992-09-01), Bergeron
patent: 5245956 (1993-09-01), Martin
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patent: 5370088 (1994-12-01), Nakamura
patent: 5390699 (1995-02-01), Yamada
patent: 5421368 (1995-06-01), Maalouf
patent: 5655898 (1997-08-01), Hashimoto
patent: 5794654 (1998-08-01), Marvonek
patent: 5937834 (1999-08-01), Oto
patent: 6615774 (2003-09-01), Heulitt

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