Tuneable intake manifold

Details Tuneable intake manifold Tuneable intake manifold

1980-05-16

1981-06-23

Feinberg, Craig R.

Internal-combustion engines

Multiple cylinder

123 52MB, 123 52MV, F02B 1718

Patent

active

042743680

ABSTRACT:
The runners of the intake manifold between the fuel-air mixture device and the valve ports of the head of an internal combustion enginer are tuneable to a particular engine speed range automatically by means of a pivotal mount for a wall portion of the runner in combination with a spring urging the runner wall portion towards the central axis of the runner to correspondingly decrease and increase the flow through cross sectional area along the runner in response to a decrease and increase, respectively, of the engine speed. The spring force may be separately adjustable.

REFERENCES:
patent: 1893502 (1933-01-01), Kuehn
patent: 2806457 (1957-09-01), Moseley
patent: 2835235 (1958-05-01), Gassmann
patent: 2947293 (1960-08-01), Arkus-Duntov
patent: 3561408 (1971-02-01), Weiand
patent: 3875918 (1975-04-01), Loynd

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