Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1977-11-02
1979-02-06
Lazarus, Ronald H.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
261144, 261145, F02M 3100
Patent
active
041378814
ABSTRACT:
The apparatus includes tubular heating elements positioned in carburetor air-fuel paths. Each element has a flow passage therethrough connected to input and exhaust conduits which together define a path for flow of exhaust gases from the engine exhaust manifold to the atmosphere. The inlet flow path and the outlet flow path have flow constricting zones having predetermined areas. These flow constricting zones, as well as the size and configuration of the elements making up the flow path are so proportioned to the size of the engine as to obtain optimum performance with respect to economy and torque or horsepower output. The tubular elements are supported in a plate between the carburetor and the intake manifold in a manner such as to heat the fuel to an optimum extent while minimizing heating of the air of the air-fuel mixture.
REFERENCES:
patent: 1128998 (1915-02-01), Mulvaney
patent: 1373290 (1921-03-01), Beruet
patent: 3042016 (1962-07-01), Christian
Lazarus Ronald H.
Vigil Thomas R.
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