Air supply system for an internal combustion engine

Details Air supply system for an internal combustion engine Air supply system for an internal combustion engine

1989-06-12

1991-03-12

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

123 65B, 123560, F02B 3336

Patent

active

049985256

ABSTRACT:
The present invention describes a system for supplying the primary combustion air to a reciprocating piston internal combustion engine including a trochoidal chamber air pump having a pair of pumping chambers interposed between an air intake and each of the cylinders of the engine. Each pumping chamber has an air inlet connected to an air intake, and an air outlet that is connected to the cylinders. In a two-cycle mode of operation, each pumping chamber outlet is connected to one engine cylinder. In a four-cycle mode of operation, each pumping chamber outlet is connected to a pair of cylinders to supply air during the intake stroke. The input shaft of the trochoidal chamber air pump is driven by, and may be connected directly to, the crankshaft of the engine so as to rotate on a 1:1 ratio.

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