US252049A - price - Google Patents
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- US252049A US252049A US252049DA US252049A US 252049 A US252049 A US 252049A US 252049D A US252049D A US 252049DA US 252049 A US252049 A US 252049A
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- Prior art keywords
- grate
- sections
- series
- furnace
- pairs
- Prior art date
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- 235000002918 Fraxinus excelsior Nutrition 0.000 description 8
- 239000002956 ash Substances 0.000 description 8
- 238000005192 partition Methods 0.000 description 6
- 230000002441 reversible Effects 0.000 description 6
- 101700011748 EXOC4 Proteins 0.000 description 2
- 101710034632 FIGNL1 Proteins 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H9/00—Revolving-grates; Rocking or shaking grates
- F23H9/08—Revolving-grates; Rocking or shaking grates the bars being rocked about their longitudinal axes
Definitions
- Fig. 2 is a view of one end of theV furnace.
- Fig. 3 is a view of the other end of the furnace, and
- Fig. 4t is a view showing the enlarged bevel-pinion on the operating-shaft.
- Fig. 5 is a sectional view taken transversely through a pair of gratesections.
- Our invention has for its object to improve the construction and operation of furnacegrates; and to this end it consists,primarily, in a grate composed of a series of revolving y 2 5 Lfd-shaped grate-sections, geared together by continuous gearing and operating in pairs to out out and remove ashes and other refuse matter from the re.
- A represents the walls of the furnace.
- B B" represent a series of pairs ot' grate-sections, each section of which is t/-fwshaped in cross-section, or has the same contour on both sides, so as to present a like surface to the tire ⁇ when either side is uppermost.
- These pairs ot' grate-sections may be arranged in a single series, or, as shown in Fig. 1, they may be arranged in a double series', in which latter case 6o the inner ends of the'sections ofeach series are journaled in a supporting-har, G, extending through the middle of the furnace, while their outer ends arejournaled in the outer walls or frame ofthe furnace.
- gear-wheels D D which may he meshed so as to form a' continuous train of gearing or mashed only ⁇ in pairs, as shown in FigL1.
- additional gears may consist simply of spur-wheels E, adapted to all engage with a reciprocating operating rack-har, F, as shown in the left-hand-series, Fig.
- a separating-bar or short partition, H is interposed between each pair ot'sections.
- These separatings bars act measurably to support the Iire While the grate-sections are being turned or reversed, and prevent any portion ofthe contents escaping except that positively Withdrawn by the action of the grate-sections.
- a thrust in one directionl may indicate .the entire reversal ot' the grate-sections, and where the rotary operating-shaft is employed a complete rotation of the shaft may indicate a like movement of the grate-sections.
- the bevel-pinions on the rotating shaft may be made larger than the co-operating additional pinions on thejournals of the sections, as shown Ain Fig. 4, in which case a quarter, half, or other portion of a revolution of the shaft will indicate a complete reversal ot' the grate-sections.
- a furnace-grate composed of a series of pairs ot' revolving Mw-shaped grate-sections connected together by continuous gearing so as to operate simultaneously, each pair operating at each half-revolution to cut out positively the lower portion of the mass which they support and discharge it into the ashpit below and present a new upper supporting-surface similar to the one turned down, substantially as described.
- a furnace-grate composed of a series of pairs of revolving ven-shaped grate-sections connected together by continuous gearing so as to operate simultaneously, each pair operating to cut out the lower part of the mass ends in a central supporting-bar and at their outerends in a suitable supporting-frame, and having the operating-gearing applied to their outer ends, and a separating-bar or short partition between each pair of sections', substantially as described.
Description
UNITED rATEs PATENT CFFICE.
WILLIAM MCCLAvE AND JOHN A. PRICE, or .sCRANroN, PA., sAID MGCLAVE AssIeNoR To SAMUEL PRICE, or PrrrsroN, PA.
FU RNACE-GRATE..
SPECIFICATION forming part of Letters Patent No. 252,049, dated January 10, 1882.
Application led August 31, 1881. (No model.)
furnace. Fig. 2 is a view of one end of theV furnace. Fig. 3 is a view of the other end of the furnace, and Fig. 4t is a view showing the enlarged bevel-pinion on the operating-shaft. Fig. 5 is a sectional view taken transversely through a pair of gratesections.
Similar letters ot reference in the several 2o iigures denote the same parts.
Our invention has for its object to improve the construction and operation of furnacegrates; and to this end it consists,primarily, in a grate composed of a series of revolving y 2 5 Lfd-shaped grate-sections, geared together by continuous gearing and operating in pairs to out out and remove ashes and other refuse matter from the re.
It further consists in arranging a separatingbar or short partition between each pair ot' grate-sections in the series for the purpose of increasing the effective action of each pair ot' sections. It further consists in arranging the gratesections in double series and journaling the inner ends of the sections ot each series in a central supporting-bar and the outer end in a suitable supporting-frame and in applying the operatin g-gearin g to the outer ends ofthe sec- 4o tions.
It further consists in providing the journal of every alternate gratesection with an additional gear-wheel and in combining therewith suitable mechanism for operating upon all of` 4 5 the said additional gear-wheels simultaneously,
whereby to cause a simultaneous dumping of all the pairs ot' gratesections in the series; and it consists, finally, in certain other novel combinations of parts, which we will now proceed 5o to describe.
In the drawings, A represents the walls of the furnace.
B B" represent a series of pairs ot' grate-sections, each section of which is t/-fwshaped in cross-section, or has the same contour on both sides, so as to present a like surface to the tire` when either side is uppermost. These pairs ot' grate-sections may be arranged in a single series, or, as shown in Fig. 1, they may be arranged in a double series', in which latter case 6o the inner ends of the'sections ofeach series are journaled in a supporting-har, G, extending through the middle of the furnace, while their outer ends arejournaled in the outer walls or frame ofthe furnace. The outer ends of the journals of the grate-bars of each series are provided with gear-wheels D D, which may he meshed so as to form a' continuous train of gearing or mashed only` in pairs, as shown in FigL1.` On the outer end ot' the journal oi' 7o each alternate grate-section is secured an additional gear-wheel, through which motion is to be communicated to the several pairs of seotions. These additional gears may consist simply of spur-wheels E, adapted to all engage with a reciprocating operating rack-har, F, as shown in the left-hand-series, Fig. 1, or they may consist ot' bevel-pinions Gr, adapted to engage with corresponding pinions on a longitudinal shaft extending along the whole series, 8o as shown in the right-hand series, Fig. 1. l/Vhether one or the other of these arrangements is employed the result issubstantially the same--namely, the effecting of the simultaneous operation of the several pairs of sec- 8 5 tions in the whole series. Where the spurgears and sliding rack are employed we usually arrange the rack upon rising and falling supports G Gr, which enable it to loe thrown into and out of mesh with the spur-wheels at go will, as shown in Fig. 2. We preferably, however, employ the longitudinal shaft with the bevel-pinions for operatingthe sections, as such arrangement is more positive in its action and is not so likely to get out ot order.
To operate ourimproved grate, the racklbar Fis putin mesh and then moved longitudinally, or the longitudinal shaft is rotated, as the case may be, so as to cause each pair of grate-sections to open downward at the center. roo
This discharges the ashes and other refuse at the bottom ofthe fire into the' ashpit below, while the outer edges of the grate-sections rise and move inward to cut oft' the ashes, 85e., from the fire above, and, coming together at the center, form a grate-surface like that turned down. By this means every reversal ot' the grate-sections cuts oft' the re and supplies a grate-surface of t he same form for the fire above.
In order to effect a more perfect operation of the several pairs ot' grate-section s, a separating-bar or short partition, H, is interposed between each pair ot'sections. These separatings bars act measurably to support the Iire While the grate-sections are being turned or reversed, and prevent any portion ofthe contents escaping except that positively Withdrawn by the action of the grate-sections. v
Where the sliding rack-bar is used a thrust in one directionl may indicate .the entire reversal ot' the grate-sections, and where the rotary operating-shaft is employed a complete rotation of the shaft may indicate a like movement of the grate-sections.
The bevel-pinions on the rotating shaft may be made larger than the co-operating additional pinions on thejournals of the sections, as shown Ain Fig. 4, in which case a quarter, half, or other portion of a revolution of the shaft will indicate a complete reversal ot' the grate-sections.
We claim as our invention- 1. A furnace-grate composed of a series of pairs ot' revolving Mw-shaped grate-sections connected together by continuous gearing so as to operate simultaneously, each pair operating at each half-revolution to cut out positively the lower portion of the mass which they support and discharge it into the ashpit below and present a new upper supporting-surface similar to the one turned down, substantially as described.
2. A furnace-grate composed of a series of pairs of revolving ven-shaped grate-sections connected together by continuous gearing so as to operate simultaneously, each pair operating to cut out the lower part of the mass ends in a central supporting-bar and at their outerends in a suitable supporting-frame, and having the operating-gearing applied to their outer ends, and a separating-bar or short partition between each pair of sections', substantially as described.
4. In a furnace-grate, the combination of a series of revolving sections connected together by continuous gearing and acting to cut away ashes and refuse in pairs, and having an additional gear'wheel applied to thejournal of one of the sections of each pair, with a longitudinally-moving rack-bar for operating upon said additional gear-wheel,whereby to turn allthe sections simultaneously, substantially as described.
5. In a furnace-grate, the combination ot a series of revolving' sections geared together inpairs, and having an additional gear-wheel applied to the journal of one ot' the sections ot' each pair, with a longitudinally-moving rackbar adapted to engage with said additional gear-wheel, and means for throwing said rackbar into or out of engagement, substantially as described.
6. In a furnace-grate, the combination ot' a series of revolving grate-sections geared together and having an additional beveled-gear wheel applied to the journal of each alternate grate-section, with alongitudinal bar having beveled-gear wheels for operating upon said beveled-gear wheels on gratesections,whereby all the sections maybe turned simultaneously, substantially as described.
WM. MCCLAVE.
J. A. PRICE. Witnesses:
J. ELLIOT Ross, B. G. MORGAN.
Publications (1)
Publication Number | Publication Date |
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US252049A true US252049A (en) | 1882-01-10 |
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US252049D Expired - Lifetime US252049A (en) | price |
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- US US252049D patent/US252049A/en not_active Expired - Lifetime
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