Internal-combustion engines – Charge forming device – With fuel pump
Patent
1991-04-01
1992-07-21
Miller, Carl S.
Internal-combustion engines
Charge forming device
With fuel pump
12317917, 464 2, F02M 5920, F02D 500
Patent
active
051313740
ABSTRACT:
A hub 1 integral with the injection pump to include a housing 2 driven in rotation, surrounding hub 1 and including two rollers 4, 5 placed parallel to the axis of the housing at a distance from this axis. An eccentric governor weight 15 is mounted on hub 1 to be able to move in one direction under the action of the centrifugal force. Two advance control pistons 8, 9 with axis orthogonal to the axes of the hub are mounted in the hub, each to be able to slide in a recessed bore and each equipped with a lateral support ramp 10, 11 able to work with one of the rollers 4, 5 to cause an angular offset between hub 1 and housing 2. One of the pistons 8 acts in the other direction on governor weight 15 by a spring 18. A hydraulic circuit goes through the hub and has a distributor with controlled relief 20 adjusting the pressure acting on pistons 8, 9 as a function of the position of governor weight 15. An additional piston 32 modifies the position of balance of governor weight 15 as a function of the pressure prevailing in the hydraulic circuit. A correction device acting as a function of the temperature of the hydraulic fluid can also be provided.
REFERENCES:
patent: 2910975 (1959-11-01), Evans
patent: 4132202 (1979-01-01), Nakayama
patent: 4250859 (1981-02-01), Scheying
patent: 4401088 (1983-08-01), Morin
patent: 4489698 (1984-12-01), Hofer
patent: 4491116 (1985-01-01), Morin
patent: 4509490 (1985-04-01), Morin
patent: 4557240 (1985-12-01), Sakaranaka
Miller Carl S.
Renault Vehicules Industriels
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