Extended throttle bore multi-stage carburetor

Details Extended throttle bore multi-stage carburetor Extended throttle bore multi-stage carburetor

1976-04-05

1977-02-22

Miles, Tim R.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261145, 261 63, 165 52, 261DIG63, F02M 3108

Patent

active

040086992

ABSTRACT:
A multi-stage carburetor has a primary throttle bore that is extended into the intake manifold in close proximity to the exhaust gas heated manifold floor, and a secondary bore that surrounds a portion of the primary bore and terminates at the inlet to the intake manifold so as to avoid a restriction to flow of secondary air into the manifold and past the primary passage.

REFERENCES:
patent: 1282271 (1918-10-01), Middleton
patent: 2082666 (1937-06-01), Ulrich
patent: 2395264 (1946-02-01), Gardner
patent: 2638330 (1953-05-01), Morgenroth
patent: 3310045 (1967-03-01), Bartholomew
patent: 3971352 (1976-07-01), Marsee
patent: 3972324 (1976-08-01), Marsee
Marsee, Application B498,951, published Mar. 2, 1976 123/122 AC.

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