Valve unit for an internal combustion engine intake duct, compri

Details Valve unit for an internal combustion engine intake duct, compri Valve unit for an internal combustion engine intake duct, compri

1989-03-10

1990-09-11

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

137855, F02M 3500

Patent

active

049553291

ABSTRACT:
The valve unit comprises non-return valves disposed within the intake duct and formed from longitudinal channels and flaps which engage these latter. The channels are provided with seal gaskets at their edges and are formed with their base walls shaped on their outer side in such a manner as to improve the valve reliability and life. The flaps comprise fixing tabs which are clamped between ledges and support surfaces of the superposed channels.

REFERENCES:
patent: 1672436 (1928-06-01), Thege
patent: 4257458 (1981-03-01), Kondo et al.
patent: 4422416 (1983-12-01), Bernardoni
patent: 4471812 (1984-09-01), Bertsch

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