Pressure wave supercharger with an exhaust gas blow-down valve

Details Pressure wave supercharger with an exhaust gas blow-down valve Pressure wave supercharger with an exhaust gas blow-down valve

1984-06-21

1986-06-03

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

60602, F02B 3342

Patent

active

045923302

ABSTRACT:
An exhaust gas blow-down valve of a pressure wave supercharger comprising a flap which is connected by a flap lever, a flap shaft and a second lever to a control device responsive to a process pressure of the pressure wave supercharger. In order to avoid deterioration of the scavenging coefficient of the pressure wave supercharger, a restraining screen is provided around part of the periphery of the flap at a distance from it, which restraining screen deflects the exhaust gas flowing out of the flap gap into the desired direction parallel to the axis of the exhaust gas outlet stub pipe.

REFERENCES:
patent: 2800120 (1957-07-01), Jendrassik
patent: 2836346 (1958-05-01), Jendrassik
patent: 3190542 (1965-06-01), Vickery
patent: 4120156 (1978-10-01), McInerney
Theoretical Hydrodynamics, L. M. Milne-Thomson, The MacMillan Company, 4th Edition (1960), pp. 6 and 7.

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