Supercharged engine

Details Supercharged engine Supercharged engine

1991-09-27

1993-03-02

Koczo, Michael

Internal-combustion engines

Charge forming device

Supercharger

F02B 3338

Patent

active

051900165

ABSTRACT:
A supercharged engine includes an intake passage, an engine located at one end of the intake passage, an air cleaner located at the other end of the intake passage, a mechanical supercharger located in the intake passage, a main throttle valve located at a downstream side of the intake passage, a sub throttle valve located at an upstream side of the intake passage so as to be larger than the main throttle valve in the opening ratio and linked with the main throttle valve. A relief passage, in parallel to the intake passage, is located between a downstream space between the mechanical supercharger and the main throttle valve and an upstream space between the mechanical supercharger and the sub throttle valve, and a relief valve located in the relief passage and responsive to a pressure-difference across the main throttle valve.

REFERENCES:
patent: 4062333 (1977-12-01), Matsuda et al.
patent: 4815437 (1989-03-01), Regar

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