F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
123/131
F02D 41/00 (2006.01) F02B 39/08 (2006.01) F02B 39/10 (2006.01) F02D 23/02 (2006.01) F02M 51/02 (2006.01)
Patent
CA 1242942
A B S T R A C T A method and a device for supplying fuel and air to an internal combustion engine 1, in the case of which fuel is supplied to at least one injection valve 2 and combustion air is supplied to at least one intake pipe 3 provided with a throttle 4. For the purpose of achieving a simple and reliable mode of opera- tion and for the purpose of guaranteeing a reliable supply of fuel and air to the internal combustion engine 1 under all op- erating conditions, the intake pipe 3 has coercively supplied thereto a predetermined amount of air corresponding to the re- spective position of the throttle 4 and, simultaneously, the in- jection valve 2 has coercively supplied thereto an amount of fuel in a fixed predetermined ratio to the amount of air. For carrying out this method, a pump device 5 is used, which is pro- vided with two pump impellers 6, 7, which are arranged such that they are coaxial and adapted to be rotated about an ideal axis of rotation and which are disposed in separate flow channels 9, 10, said pump impellers constituting contra-rotating parts of a motor, which does not have any output shaft and which is exclusively used for the purpose of driving said pump impellers 6, 7, the first pump impeller 6 being part of a fuel pump 13 whose outlet 12 is connected to at least one injection nozzle 2, and the second pump impeller 7 being designed as an air com- pressor impeller arranged in the area of the intake pipe 3 (Fig 1).
465788
Garcia Cascajosa Felix
Riches Mckenzie & Herbert Llp
LandOfFree
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