Intake reservoir for an engine having a check valve

Details Intake reservoir for an engine having a check valve Intake reservoir for an engine having a check valve

1990-06-08

1991-04-23

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123316, F02M 3510

Patent

active

050091999

ABSTRACT:
An intake reservoir for an engine having an intake passage leading to a cylinder, and a check valve in the intake passage to allow fluid flow toward the cylinder and obstruct fluid back-flow in the reverse direction. An intake valve is seated in the intake passage between the check valve and cylinder. A bypass port is located on the intake passage so that the bypass port communicates with a trapped volume defined by the portion of the intake passage between the check valve and intake valve. The intake reservoir comprises a reservoir cavity having a single cavity port, and a port passage connected between the cavity port and the bypass port enabling fluid flow between the trapped volume and the reservoir cavity. The intake reservoir further comprises a control valve connected to the port passage enabling active adjustment of the flow area of the port passage throughout a range of engine operating conditions to regulate fluid flow between the trapped volume and reservoir cavity.

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"Alfa Romeo", Automotive Engineering, vol. 96, No. 11, Nov. 1988, pp. 109-110.
"Improving the Torque Characteristic of a Small Four Stroke Four Cylinder Engine by Using Reed Valves in the Intake manifold", SAE Technical Paper Series 890222, 1989.

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