Infrared radiation source for a gas analyzer and method for gene

Details Infrared radiation source for a gas analyzer and method for gene Infrared radiation source for a gas analyzer and method for gene

1995-07-07

1998-05-05

Berman, Jack I.

Radiant energy

Radiant energy generation and sources

With radiation modifying member

2504931, G01J 310

Patent

active

057478201

ABSTRACT:
The invention relates to an infrared radiation source for a gas analyzer and a method for generating infrared radiation. The infrared radiation source comprises a body (6), thermal insulation material (5) adapted inside the body (6), a radiant element (1) fitted inside the insulation material (5), elements (2, 3) for feeding electric energy to said radiant element (1), and a channel (7) formed in said body (6) and said thermal insulation material (5) in order to pass the radiation generated by said radiant element (1) to the gas under measurement. According to the invention, at least the thermal insulation material (5) adapted in close proximity to the radiant element (1) has a low thermal conductivity and the emissivity of the radiant surface (11) adapted in close proximity to the radiant element (1) is greater than 0.5 at the operating temperature of the source.

REFERENCES:
patent: 4499382 (1985-02-01), Vincent
patent: 4673031 (1987-06-01), Wiemer
patent: 4984866 (1991-01-01), Boisgontier et al.
patent: 5059397 (1991-10-01), Melly et al.
patent: 5118947 (1992-06-01), Hamashima et al.
patent: 5291022 (1994-03-01), Drake et al.
patent: 5479025 (1995-12-01), Huniu et al.

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