Gas density detecting device for use in internal combustion engi

Details Gas density detecting device for use in internal combustion engi Gas density detecting device for use in internal combustion engi

1980-02-27

1982-03-02

Howell, Kyle L.

Measuring and testing

Gas analysis

Density or specific gravity

73729, G01N 926

Patent

active

043173616

ABSTRACT:
A gas density detecting device for use in an internal combustion engine is disclosed. The device comprises a bellows having a selected gas sealed therein, a guide mechanism provided in the bellows for guiding an expansion motion thereof, a detecting portion provided in the bellows for converting the expansion motion of the bellows into a corresponding electrical output signal, and a correcting resistor provided externally outside of the bellows for correcting the converting factor of the detecting portion.

REFERENCES:
patent: 2399129 (1946-04-01), Malone
patent: 2901718 (1959-08-01), Rehnborg et al.
patent: 3137158 (1964-06-01), Krueger
patent: 3357234 (1967-12-01), Thaler
patent: 3417607 (1968-12-01), Johnson
patent: 4117724 (1978-10-01), Cook

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