Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1980-08-07
1983-02-15
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123179G, 123447, F02M 116
Patent
active
043734790
ABSTRACT:
Disclosed herein is a fuel supply system for an internal combustion engine including a combustion chamber and an ignition switch operable between "off" and "on" and "start" positions, which fuel supply system comprises a carburetor communicating with the combustion chamber, a primer fuel inlet communicating with the combustion chamber, a manually operable fuel pump connected in series with a power operated fuel pump and communicating with a source of fuel and with the carburetor, a housing defining a chamber, a movable wall located in and supported by the housing and dividing the chamber into a first sub-chamber communicating with the fuel pumps and a second sub-chamber, a spring biasing the movable wall to increase the volume of the second sub-chamber and to decrease the volume of the first sub-chamber, and a valve having an inlet communicating with the fuel pumps, an outlet communicating with the second sub-chamber and with the primer fuel inlet, and a valve member located between the inlet and the outlet, movable between open and closed positions, biased toward the closed position, and moveable to the open position in response to movement of the ignition switch to the "start" position.
REFERENCES:
patent: 2287900 (1942-06-01), Parker
patent: 3371658 (1968-03-01), Turner
patent: 3614945 (1971-10-01), Schlagmuller et al.
patent: 3620202 (1971-11-01), Ross
patent: 3805758 (1974-04-01), May
patent: 4194483 (1980-03-01), McChesney et al.
patent: 4204511 (1980-05-01), Morris
patent: 4216757 (1980-08-01), Romann
Billingsley Henry C.
DuBois Chester G.
Dolinar Andrew M.
Myhre Charles J.
Outboard Marine Corporation
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