Internal-combustion engines – Charge forming device – With fuel pump
Patent
1981-06-04
1983-10-04
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
With fuel pump
23953311, 417534, F02M 5930, F02M 6118
Patent
active
044072520
ABSTRACT:
A fuel injection system for internal combustion engines includes an improved direct injection pump having a reciprocating metering plunger and an improved injector for atomizing and injecting the fuel into the combustion chamber. Respective moving parts of the pump and injector are supported in low friction seals free of contact with other parts and require no lubrication from the fuel pumped or from other sources so as to operate efficiently without galling on gasoline or diesel engines on any combustible fuel or any combination of such fuels. The pump includes a housing provided at one end with a fuel chamber of a predetermined capacity that has a single opening for receiving fuel from a source of supply through a valved fuel inlet and from which opening, fuel is dispensed to the injector through a valved fuel outlet line. The metering end of the plunger is reciprocated within such chamber at selected intervals by a control system which is adjustable to vary the length of stroke of the plunger and thereby determine the amount of fuel ejected from the chamber on each stroke for regulating the speed of the engine. The system includes a novel combined fuel injector and thermal heater or glow plug combined in a single housing for mounting in the standard spark plug port. Because this new pump requires no lubrication from the fluid pumped or other extraneous materials affecting such fluids, it is also useful for chemical fluids which must be kept free of contamination.
REFERENCES:
patent: 1445100 (1923-02-01), Nelson
patent: 2114565 (1938-04-01), Kovach
patent: 2148112 (1939-02-01), Dillstrom
patent: 2255203 (1941-09-01), Wiegand
patent: 3173409 (1965-03-01), Warren
patent: 3233554 (1966-02-01), Huber et al.
patent: 3361077 (1968-01-01), Freeman
patent: 3373724 (1968-03-01), Papst
patent: 3507262 (1970-04-01), Stage
patent: 3816029 (1974-06-01), Bowen et al.
Adler Morton S.
Argenbright Tony M.
Jones Oscar E.
Lowe Ted
Robinson Robert H.
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