Linkage mechanism for supercharger system

Details Linkage mechanism for supercharger system Linkage mechanism for supercharger system

1980-12-08

1983-07-19

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Supercharger

123559, 123601, 123611, F02B 3344, F02D 2300

Patent

active

043938523

ABSTRACT:
Disclosed is an induction or supercharger system (16) for a piston engine (10) having a Roots type blower (14) for supercharging an air-fuel mixture from a carburetor (12) having primary and secondary throttle valves (64) and (66). The induction system defines a naturally aspirated flow path, a recirculation flow path, and a supercharger flow path. The flow paths are controlled by valves (18) and (20). Valves (18, 64 and 66) are moved between their respective opened and closed positions by a linkage mechanism (44) including a lever (72) and linkage assemblies (74) and (76). The linkage assemblies include resilient means (88) and (102) which respectively move the throttle valves open and the valve (18) closed. Valve (20) is opened in response to a differential pressure across the naturally aspirated flow path and the supercharger flow path.

REFERENCES:
patent: 2383198 (1945-08-01), Jorgensen
patent: 2559859 (1951-07-01), Elliott et al.
patent: 3868822 (1975-03-01), Keller

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