Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1975-01-21
1977-01-18
Lazarus, Ronald H.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123 59PC, 123121, 123139BG, 261 39D, 261 23A, F02M 1100
Patent
active
040033570
ABSTRACT:
The disclosure describes a carburetion system for internal combustion motor comprising a carburetor, a heat exchanger and an admission block. The carburetor has a carburetion chamber for each motor cylinder and is provided with a motor-fuel reservoir, each chamber having a butterfly valve for controlling the introduction of air. A primary circuit individually feeds each chamber from the reservoir while a secondary circuit, which is independent from the chambers, directly feeds the motor cylinders with an excess of motor fuel which is fed from the reservoir. The heat exchanger, which is connected to the carburetor, comprises an independent heat exchange compartment for each carburetion chamber to which it is connected for enabling the mixture which is produced in the chamber to flow directly into the compartment. The combustion gases of the motor are brought around the compartments for evaporating the motor fuel of the mixture which flows therein. The heat exchanger also comprises a secondary circuit which is independent from the compartments and is connected to the secondary circuit of the carburetor for directly feeding the motor cylinders with an excess of motor fuel. The admission block is connected to the exchanger and comprises independent admission chambers, each one of them being connected to a compartment of the exchanger. Moreover, each chamber is connected to the secondary circuit of the heat exchanger in order to feed each motor cylinder with a mixture and with an excess, of motor fuel.
REFERENCES:
patent: 2036253 (1936-04-01), Bremser
patent: 2145863 (1939-02-01), Curioni
patent: 2430693 (1947-11-01), Udale
patent: 2564113 (1951-08-01), Kihler
patent: 2597780 (1952-05-01), Engnath
patent: 3549132 (1970-12-01), Haase
patent: 3826234 (1974-07-01), Cinquegrani
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