Reed valve assembly

Details Reed valve assembly Reed valve assembly

1992-12-17

1995-02-21

Michalsky, Gerald A.

Fluid handling

Line condition change responsive valves

Direct response valves

123 73V, 137856, F16K 1516

Patent

active

053906993

ABSTRACT:
A reed valve assembly is mounted in a valve chamber formed in an intake passage of a crankcase of a two-stroke cycle engine and the reed valve assembly comprises a box-shaped valve body having a base end opened and secured to an intake pipe and a front end converging towards the crankcase, the valve body being provided with valve openings formed to side surfaces of the valve body, and reed valves resiliently provided for the valve openings. The valve chamber has opposing inner wall surfaces gently curved outwardly for forming expanded portions between the side surfaces of the valve body and the expanded surfaces of the valve chamber. The curved surfaces of the inner wall surfaces of the valve body converge towards an interior of the crankcase with an inclination of about 10 to 20 degrees and a maximum lateral width of each of the expanded portions is defined to about 5 to 10 mm.

REFERENCES:
patent: 1499599 (1924-07-01), Seppeler et al.
patent: 4643139 (1987-02-01), Hargreaves
patent: 4879976 (1989-11-01), Boyesen

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