US102892A - Improvement in lamp-chimneys - Google Patents
Improvement in lamp-chimneys Download PDFInfo
- Publication number
- US102892A US102892A US102892DA US102892A US 102892 A US102892 A US 102892A US 102892D A US102892D A US 102892DA US 102892 A US102892 A US 102892A
- Authority
- US
- United States
- Prior art keywords
- lamp
- chimneys
- chimney
- improvement
- neck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 description 2
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V35/00—Candle holders
Definitions
- Figure 2 is an end elevation, and Figure 3, a longitudinal vertical section of the same.
- Figure 6 is a View showing the elliptical shape of the topnflthe chimney.
- my invention consists in the peculiar shape of the neck of the chimney, in relation to the lower rim and upper portion of the same,fso as to nng more air to the center of the flame.
- y m represents the lower circular rim of the chimney, being that part which passes down over .the'cone, to
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Description
hm ted fitatet pa e a mm.
SYLVESTERW. WARREN, on Bosrou, MASSAOHUSETT SELF 'AND GEORGE B. PARROTT.
Letters Patent No. 102,892, dated -Ma-y 10,1870.
v 'l'o'a'll whom it may concern Be it known that ,1, SyLv'Es'rnR W. WARREN, of Boston, in the county of S'uflolkand State of Massachusetts, have invented'a new and useful Improvement in Lamp-Chimneys; and I do hereby declare the ihllowing to be a full and correct-description of my invention, sufiicientto enable others skilled 'in the manufacture to construct the same, reference being had to the accompanying drawings which make part .SOf this specification, and in which- Figure l is' a front elevation of my improved lampchimney;
Figure 2 is an end elevation, and Figure 3, a longitudinal vertical section of the same.
-lfigures 4, and 5.,are sections .in lines A B, D E,
and G H, figs. 1 and 2.
Figure 6 is a View showing the elliptical shape of the topnflthe chimney.
Like lettersof reference indicate like palts in the several figures. a
The nature of my inventionconsists in the peculiar shape of the neck of the chimney, in relation to the lower rim and upper portion of the same,fso as to nng more air to the center of the flame.
In the drawings y m represents the lower circular rim of the chimney, being that part which passes down over .the'cone, to
which it is held by means of spring catches on the rim of the cone, which enter into notches or niches o in the rjm m. p
From thisrim m a conical neck, h, having'two flat tened sides, rises,-converging at its upper part, as shown clearly in fig. 2, where the upper part of the chimney commences. This part is of elliptical shape,
contracting'iu continuous graduation toward its top, its lower ends being wider than the neck 72, and having curved or round corners. It will be easily understood that the m ore air passes through the center of the cone-shapedneck lathe more it will spread the flame in the chimney, and to obtain this spreading I give the neck and chimney its peculiar shape.
' Having thus described my invention,
What I'claiin'as new, and desire-w secure by Letters Patent, is- 4 The combination, with the circular rim m and the upper elliptical portion of a lamp-chimney, of :the
cone-shaped neck h, with flattened sides, when constructed as shown, and for the purposes herein described.
SYLVESTER W. WARREN.-
Witnesses:
LEWIS .T. WHITNEY, GEORGE G. DESMAZISU S ,ASSIGNOR r0 HIM- b
Publications (1)
Publication Number | Publication Date |
---|---|
US102892A true US102892A (en) | 1870-05-10 |
Family
ID=2172379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US102892D Expired - Lifetime US102892A (en) | Improvement in lamp-chimneys |
Country Status (1)
Country | Link |
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US (1) | US102892A (en) |
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0
- US US102892D patent/US102892A/en not_active Expired - Lifetime
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