Internal-combustion engines – Charge forming device – With fuel pump
Patent
1995-01-18
1996-08-13
Moulis, Thomas N.
Internal-combustion engines
Charge forming device
With fuel pump
417469, F02M 3700
Patent
active
055446370
ABSTRACT:
A fuel injection pump for internal combustion engines, where the driving source is the movement of an axle (11) held at the rod head whenever this is activated by the engine crankshaft (10), adjusting such movement by the use of auxiliary pieces (14, 17, 18), in order to get the alternative lineal movement required by the pump which is composed of a piston formed by four cylindric parts (25, 26, 27, 28), first and third part have an even diameter, second and fourth parts have a shorter diameter, the third part has a peripheric channel along it entire length (29), fourth part has an internal channel (30) with holes towards the periphery. The piston displaces within two consecutive sliding cylinders, the first cylinder (31) forms with the piston the compression chamber and at the time of sliding modifies the time when the injection is done. Second cylinder (32) fits into the fourth part of the piston and at the time of sliding modifies the amount of fuel passing from the compression chamber to the injector.
REFERENCES:
patent: 1946473 (1934-02-01), Babendreer et al.
patent: 2074486 (1937-03-01), Peters
patent: 2183510 (1939-12-01), Thomas
patent: 4463725 (1984-08-01), Laufer et al.
patent: 4478188 (1984-10-01), Eheim
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