Internal-combustion engines – Charge forming device – With fuel pump
Patent
1985-11-21
1987-07-21
Argenbright, Tony M.
Internal-combustion engines
Charge forming device
With fuel pump
123299, 417499, F02M 4510
Patent
active
046810803
ABSTRACT:
Devices for dividing the process of fuel injection into two phases, i.e., pre-injection and main injection, with a pressure relief body opening up an expansion space when the fuel injection pump has reached a given level of pressure, are known to be provided with a by-pass line which can shut off by a spring-loaded slide valve. A simpler design of such a pressure relief system is achieved by having the by-pass line lead from the expansion space to a by-pass opening which is located in the cylinder wall of the pressure chamber of the pump and is intermittently covered by the pump plunger, and by making this opening cooperate with control edges on the pump plunger, leaving it uncovered in the injection-free state.
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patent: 4165723 (1979-08-01), Straubel
patent: 4449504 (1984-05-01), Furohashi et al.
A V L Gesellschaft fur Verbrennungskraftmaschinen und Messtechni
Argenbright Tony M.
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