Aspirator assembly for a premix burner
Abstract
Abstract A lamp housing and burner assembly is disclosed for use with photometric apparatus for determining and/or measuring the concentration of atoms by an atomic absorption phenomenon. A plurality of adjustable light sources emitting radiation that is characteristic of particular atoms are mounted in radial relation about an optical means. The optical means is adapted to select radiation through a flame zone of a burner into which a test solution is aspirated. The burner is a slot type burner that is rotatably, horizontally, and vertically adjustable to control the position of the flame through which the beam passes. An adjustable aspirator assembly is provided for the burner to control the aspiration efficiency. A piezoelectric ignition system is provided for the burner that automatically moves a spark device into and out of the flame zone while simultaneously generating a high voltage for creating the spark.
Inventors
- 👤 James J Chisholm
- 👤 Henry J Emmel
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |