System for detecting abnormalities in gas engines

Details System for detecting abnormalities in gas engines System for detecting abnormalities in gas engines

1985-07-23

1986-08-19

Lazarus, Ira S.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123435, F02B 7708

Patent

active

046063129

ABSTRACT:
A system for detecting abnormalities in a gas engine comprises: a pressure measuring device for measuring the pressure within each engine cylinder to generate corresponding signals; a device for determining from these signals the maximum pressure for every cycle of the engine operation; a comparator circuit for comparing each maximum pressure with reference values of a specific range and, when the maximum pressure is outside of that range, generating a corresponding signal indicating the existence of an abnormality; and an actuator operating in response to this signal to actuate and close a shut-off valve in the fuel gas supply line of the engine, an alarm device being simultaneously activated by this signal.

REFERENCES:
patent: 2450882 (1948-10-01), Costa
patent: 2517976 (1950-08-01), Clarke
patent: 2595524 (1952-03-01), Henneman et al.
patent: 3601103 (1971-08-01), Swiden
patent: 3736910 (1973-06-01), Raff
patent: 3738346 (1973-06-01), Goodman
patent: 3851469 (1974-12-01), Eichler et al.
patent: 4356551 (1982-10-01), Iwase et al.
patent: 4450811 (1984-05-01), Ichikana
patent: 4481925 (1984-11-01), Karau et al.

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