Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1974-05-20
1976-06-01
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123140MP, 13750547, 261DIG68, F02M 2102
Patent
active
039601269
ABSTRACT:
A pressure regulator of the liquefied-gas fuel system for internal combustion engines has two cooperative diaphragms which partition the space inside the regulator body into three separate chambers. The diaphragms are operatively connected by a spring disposed therebetween, the first one defining two of the three chambers, namely a pressure-regulating chamber and a back-pressure chamber, and the second one defining the back-pressure chamber and a suction-pressure chamber. In the pressure-regulating chamber is installed a valve whose opening is controlled by the first diaphragm to control the supply of the liquefied-gas fuel. The second diaphragm is moved according to the intake-manifold vacuum, and the first diaphragm is correspondingly moved to control the valve, thus regulating the pressure of the fuel in the pressure-regulating chamber.
REFERENCES:
patent: 2516828 (1950-07-01), Reggio
patent: 3339581 (1967-09-01), Courtot
patent: 3650254 (1972-03-01), McJones
patent: 3730146 (1973-05-01), Moulds et al.
patent: 3779529 (1973-12-01), Kimura
Devinsky Paul
Myhre Charles J.
Toyota Jidosha Kogyo Kabushiki Kaisha
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