Fuel system

Details Fuel system Fuel system

1976-07-22

1978-02-07

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123133, 123122H, F02M 3100

Patent

active

040721388

ABSTRACT:
The fuel system services the internal combustion engine of an automobile or similar vehicle and includes a fuel heater disposed intermediate the carburator and fuel pump of the system. Fuel passing through the heater is heated to a desired temperature, by heat derived from a counter-flow circulation through the heater of hot water from the engine's cooling system, effective to increase the efficiency of the engine and to reduce exhaust-pollution. Operation of the heater is automatically and continuously regulated by control means which detects and is responsive to the temperature of the fuel passing downstream from the heater to the carburator. Cooling means are provided within that part of the fuel system intermediate the heater and the fuel pump to minimize heat-transfer in an upstream direction through the system, and to thus minimize the possibility of "vapor-lock" of the fuel pump. The fuel heater is of a compact, sealed construction facilitating economy of manufacture and installation, as well as safety of operation.

REFERENCES:
patent: 1318068 (1919-10-01), Giesler
patent: 3354872 (1967-11-01), Gratzmuller
patent: 3783841 (1974-01-01), Hirschler
patent: 3913543 (1975-10-01), Henri
patent: 3951124 (1976-04-01), Fairbanks
patent: 3986486 (1976-10-01), Rabbiosi
patent: 3989019 (1976-11-01), Brandt

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