Process and device for measuring the torque of an internal combu

Details Process and device for measuring the torque of an internal combu Process and device for measuring the torque of an internal combu

1992-09-10

1999-01-05

Teska, Kevin J.

Boots, shoes, and leggings

36443103, 36443104, 36443108, 73116, 123426, 123672, G06G 770, F02D 4100

Patent

active

058569227

ABSTRACT:
This device applies to all internal combustion heat engines. It includes an electronic unit (10) associated with a ring gear (12) of the inertial flywheel and with sensor (22) with variable reluctance such as those used for electronic ignition engines. Instantaneous period d.sub.i of advancement of teeth (14-16) is produced (26-30-32-34). From signal d.sub.i, period T.sub.4 of the fraction of revolution of the flywheel corresponding to a period of the combustions is calculated (36) and stored (38). A magnitude D'.sub.4, representative of a projection of the alternating component of the angular velocity of the flywheel at the frequency of the combustions is also calculated (40-42). A calculating stage (44) combines (T.sub.4 and D'.sub.4) with constants A and B suited to the type of engine for producing signals for measuring the average gas torque for each combustion of the gas mixture in the cylinders of the engine. This makes possible optimized settings and the detection of misfirings of combustion of passenger or industrial motor vehicles.

REFERENCES:
patent: 4197767 (1980-04-01), Leung
patent: 4357662 (1982-11-01), Schira et al.
patent: 4538567 (1985-09-01), Grow
patent: 4545346 (1985-10-01), Grow
patent: 4754606 (1988-07-01), Nam
patent: 4936277 (1990-06-01), Deutsch et al.

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