USRE7463E - Improvement in lamp-chimneys - Google Patents
Improvement in lamp-chimneys Download PDFInfo
- Publication number
- USRE7463E USRE7463E US RE7463 E USRE7463 E US RE7463E
- Authority
- US
- United States
- Prior art keywords
- lamp
- chimneys
- improvement
- chimney
- fowler
- Prior art date
Links
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000875 corresponding Effects 0.000 description 2
- 230000000994 depressed Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003245 polyoctenamer Polymers 0.000 description 2
Images
Definitions
- the nature and object of my invention are the production of a lamp-chimney of such shape that it will give all the light and allow for expansion by heat, so as to prevent breakage.
- Figure 1 represents a side view of my invention.
- Fig. 2 represents a vertical section of the same.
- the chimney may be blown either in molds or otherwise.
- the object of the inward curvature at a a, Fig. 2 is the holding of the oxygenated air to the flame, so as to produce combustion; and the outward curvature at b b, Fig. 2, is for the purpose of relieving the intense heat from the sides, arising from the top corners of the flame, and allowing the excessive heat to escape upward through the curvature c c, Fig. 2, and the outward curvature d d, Fig. 2, at the top, is to accelerate the escape of the heat and the admission of air to assist combustion and form a perfect light.
- f shows the widest bulge of the outline of the narrow sides; 9, the upward incline; h, the neck; and n the diverging orifice.
- the chimney thus has the regular outline fg h n on the narrow sides,
Family
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