Temperature responsive control apparatus

Details Temperature responsive control apparatus Temperature responsive control apparatus

1979-01-19

1981-03-03

Makay, Albert J.

Automatic temperature and humidity regulation

Motors

Fluid-operated

137 85, 91388, 236 82, G05D 2312

Patent

active

042536030

ABSTRACT:
A detector for sensing the compressor inlet temperature of a gas turbine engine and for producing an output pressure signal which is used by the fuel control of the engine. The magnitude of the output signal is determined by the position of a valve which changes positions in response to changes in temperature. The response time of the detector is made faster by causing a feedback pressure which acts on the valve to initially change at a slower rate than the output pressure (i.e., to lag the output pressure) when the output pressure changes as a result of temperature variations. The invention can be incorporated either in a self-contained sensor or in an add-on unit which can be retrofitted to existing sensors having relatively slow response characteristics.

REFERENCES:
patent: 3023763 (1962-03-01), Lanctot
patent: 3085556 (1963-04-01), Peczkowski
patent: 3096690 (1963-07-01), Hayner
patent: 3322344 (1967-05-01), Peczkowski et al.
patent: 3324738 (1967-06-01), Olsen et al.
patent: 3861588 (1975-01-01), Bata et al.
patent: 3899002 (1975-08-01), Hayner
patent: 3978876 (1976-09-01), Stevenson et al.
patent: 4017027 (1977-04-01), Smith

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