Suction device of engine

Details Suction device of engine Suction device of engine

1987-03-13

1989-04-18

Wolfe, Willis R.

Internal-combustion engines

Multiple cylinder

123 52M, F02M 3510

Patent

active

048216852

ABSTRACT:
Two embodiments of induction systems for internal combustion engines that improve mid range performance by providing a reflective device in the air inlet for the induction system that reflects negative pressure pulses back into the induction system so as to balance the pressure and reduce the deleterious effects of pulsations. In one embodiment, the reflective device is a fixed obturating member while in the other embodiment, the reflective device is an adjustably positioned valve member that is positioned in response to engine operating conditions such as engine speed.

REFERENCES:
patent: 3724822 (1973-04-01), Mambu et al.
patent: 3814069 (1974-06-01), Croft et al.
patent: 4622926 (1986-11-01), Rutschmann et al.

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