Bosch mechanical fuel injection
E1033497
Bosch mechanical fuel injection is a precision-engineered, cam-driven fuel delivery system widely used in mid-20th-century Mercedes-Benz engines for reliable, high-performance metering of gasoline.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
fuel metering system
ⓘ
mechanical fuel injection system ⓘ |
| actuation | cam-driven ⓘ |
| advantage |
better throttle response than carburetors
ⓘ
improved fuel distribution between cylinders ⓘ more accurate mixture control than carburetors of its era ⓘ reduced fuel starvation under high lateral acceleration compared with carburetors ⓘ stable operation over a wide range of engine speeds ⓘ |
| application |
Mercedes-Benz M116 engine (early versions)
NERFINISHED
ⓘ
Mercedes-Benz M117 engine (early versions) NERFINISHED ⓘ Mercedes-Benz M127 engine NERFINISHED ⓘ Mercedes-Benz M129 engine NERFINISHED ⓘ Mercedes-Benz M130 engine NERFINISHED ⓘ Mercedes-Benz M198 engine NERFINISHED ⓘ |
| controlType | mechanical ⓘ |
| currentUse |
historic racing vehicles
ⓘ
restored classic cars ⓘ |
| designGoal |
high performance
ⓘ
precise fuel metering ⓘ reliability ⓘ |
| eraOfWidespreadUse | mid-20th century ⓘ |
| feature |
barometric and temperature compensation in some versions
ⓘ
camshaft within pump housing to actuate plungers ⓘ individual plunger-and-barrel elements per cylinder in many versions ⓘ mechanical fuel pump driven by engine ⓘ mechanical governor in many applications ⓘ rack-and-gear mechanism to vary fuel quantity ⓘ separate high-pressure lines to each injector ⓘ |
| fuelType | gasoline ⓘ |
| influencedBy | Bosch diesel inline injection pump technology NERFINISHED ⓘ |
| injectionType | port fuel injection ⓘ |
| maintenanceRequirement | precise calibration on specialized test stands ⓘ |
| manufacturer | Robert Bosch GmbH NERFINISHED ⓘ |
| notableModel |
Bosch PES inline pump family
NERFINISHED
ⓘ
Bosch PL mechanical port injection pump family NERFINISHED ⓘ |
| notableUse | Mercedes-Benz engines ⓘ |
| operatingPrinciple |
fuel quantity controlled by stroke of plungers
ⓘ
positive-displacement pumping of metered fuel charges ⓘ |
| primaryUse | automotive engines ⓘ |
| replacedBy |
Bosch D-Jetronic electronic fuel injection in many Mercedes-Benz models
NERFINISHED
ⓘ
Bosch K-Jetronic continuous injection system in later applications ⓘ |
| status | largely obsolete in modern mass-production gasoline engines ⓘ |
| typicalInjectionPressure | higher than contemporary carbureted fuel systems GENERATED ⓘ |
| usedInVehicle |
Mercedes-Benz 220 SE (W111)
NERFINISHED
ⓘ
Mercedes-Benz 230 SL (W113) NERFINISHED ⓘ Mercedes-Benz 250 SL (W113) NERFINISHED ⓘ Mercedes-Benz 280 SL (W113) NERFINISHED ⓘ Mercedes-Benz 300 SE (W112) NERFINISHED ⓘ Mercedes-Benz 300 SL (W198) NERFINISHED ⓘ Mercedes-Benz 450 SL (early R107, certain markets) NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.