Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor
Patent
1982-01-08
1985-04-09
Jones, Larry
Combustion
Timer, programmer, retarder or condition responsive control
By combustion or combustion zone sensor
431 12, 236 15E, F23N 500
Patent
active
045099120
ABSTRACT:
An efficiency improving apparatus (A) improves the combustion efficiency of a combustion apparatus (B) which includes a combustion chamber (10), a fuel supply rate regulator (32), an air supply rate regulator (42) and a combustion control (20) to control the fuel supply rate in response to firing rate demands and to control the air supply rate in relation to the fuel supply rate so that a preselected program of combustion conditions will be maintained during random variations in air and fuel quality, as well as during rapid changes in firing rate. The efficiency improving apparatus is connected between the combustion control and the air regulator to alter the air-fuel volume relationship by a percentage. The efficiency improving apparatus includes an exhaust gas analyzer (70), a comparator (72) for comparing the exhaust gas analysis with a preselected analysis, and an air-fuel ratio adjusting device for adjusting the set air-fuel volume relationship by the percentage in response to a difference between the exhaust gas and preselected analyses. The air-fuel ratio adjusting device includes a first shaft (80) which is rotated by the combustion control, a second shaft (84) which rotates to control one of the air and fuel supply regulators, preferably the air supply regulator, a continuously variable transmission (76) which interconnects the first and second shafts with an effective gear ratio such that angular displacement of the first shaft causes a corresponding angular displacement of the second shaft. The continuously variable transmission includes an angular displacement linkage (104) for causing a corresponding angular displacement of the first and second shafts with an effective gear ratio and a ratio adjusting device (106) which adjusts the effective gear ratio, hence the air-fuel volume relationship, by the percentage in response to the difference in the exhaust gas and preselected analyses.
REFERENCES:
patent: 3096020 (1963-07-01), Kraft
patent: 3549089 (1970-12-01), Hamlett
patent: 3814570 (1974-06-01), Guigues et al.
patent: 4264297 (1981-04-01), VanBerkum
Jones Larry
Price Carl D.
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