|Publication number||US748559 A|
|Publication date||Dec 29, 1903|
|Filing date||Apr 13, 1901|
|Priority date||Apr 13, 1901|
|Publication number||US 748559 A, US 748559A, US-A-748559, US748559 A, US748559A|
|Inventors||Alexander J Peet|
|Original Assignee||Alexander J Peet|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (22), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
No. 749,559. PATENTED 1359.29, 1903.
A. J. BERT.
APPLICATION FILED APR. 13, 1901.
No MODEL.l 4 SHEETS-SHEET 1.
GOMPOUND ENGINE. ARPLIOATION FILED APE. 13, 1901.
PATENTED DEC. 29, 1903.
PATENTED DEC. 29,y 1903.
A. J'. PERT. ooMPoUND ENGINE. APPLICATION FILED APR. 13, 1'901.
WW1/momo Om iwf Ma/g Patented December 29, 1903.
ALEXANDER J. FEET, OF BROOKLYN, NEW YORK.
SPECIFICATION forming part of Letters Patent No. 748,559, aeted Deeember 29, 1903. Application led April 13, 1901.l Serial No. F55,669. (No model.)
To a/ZZ whom it may concern:
Beit known that. I, ALEXANDER J..PEET, a citizen of the United States, and a resident of the borough of Brooklyn, in the county of Kings and State of New York, have'inventedf certain new and usefulmprovementsin Compound Engines, of which the following is a specification.
This invention relates to engines in whichr the mechanism is balanced to obviatethe ne-V cessity of fly-wheels. Its object is the pro,-
/dllcvtion of multiple-cylinder engines of compactorm, light weight, and simple construci tion.
Figure 1 represents a fragmentary vertical section of the engine on the line A A and `A A of Fig. 2. Fig. 2 shows a fragmentary horizontal section on the line Z of Fig. 1. Fig. 3 is a fragmentary section on the line Z of Fig. l. Figa is an enlarged sectional View of the upper portion of the engine on lines 'y y and y y of Fig. 5. Fig. 5 represents a fragmentary section on the line ys g3 of Fig. 4. Fig. 6 showsa fragmentary section of a modification of my invention on the line B B and B B of Fig. 7. Fig..7 is a section on the line y2 y2, of Fig. 6. Fig. 8 shows a fragmentary section of the engine on the line :r2 m2 of Fig. 9. Fig. 9 is a partial section on the line x4 004 of Fig. 8. Fig..l0 shows a partial section on the line :t5 :1:5 of Fig. 8.
The engine constituting the subject-matter of this invention is an improvement of the engine described and claimed in my United States Letters Patent for compound engine, No. 671,386, dated April 2, 190i, and the principal improvements in the present invention are contained in the valve-gear and connections between the said valve-gear, main shaft, and connecting-rods.
The engine can be constructed with various combinations of cylinders, and in this instance is shown to consist of the two highpressure cylinders H and the two low-pressure cylinders L, containing, respectively, the similar pistons h and l. Connecting-rods G transmit motion from the pistons to a donble-cone-shaped lever A,whose apexes are connected to the cranks i and 122, extending, respectively, fromthe shafts E and E. The cylinders are capped by a steam-reservoir R, and the brackets M are secured to the cylinders at their lower ends by bolts n through the liianges fm, the said brackets being bolted together through their lower flanges m4 by bolts `m5, wherel a bushing M2 is held in place. To ;the brackets M is fastened the casingY,which is pierced through its lower side by the shaft E', and a stufng-box E2, with gland E3, is fastened to the casing and lower portion of Ethe said brackets by screws m6. A supporting-,beam B, with trunnions b', swings in the bearings m8 of the brackets M.
The double-cone-shaped lever A swings on the pin C, carried on the supporting-beam B, the said lever A being provided with openjings B8 to accommodate the beam B, securthe supporting-beam B on its trunnions b' and the lever A on the pin C, the motions of a universal joint for the said double-coneshaped lever A. At the upper apex of A is secured a pin a, which turns the crank t', extending from the shaft E, and at the lower apex the pin 0.2 turns the crank 2. In the periphery of the lever A are attached boxes A2, with brasses A3 and caps A4 for the lowerl ends g3 of the connecting-rods G.
On the shaft E, (see Figs. il and 5,) which drives the valve-gear, there is fitted a capped sleeve F, turning in a stu fling-box with a gland V in the cylinder-head U, and to the capf of the sleeve is fastened the pin f2, carrying the rollers f3. Yokes 102 q2, placed at right angles to each other and one over the other, straddle the rollers f3, and the valverods 104 Q4, extending, respectively, from the yokes, carry the valves P and Q, which latter move over the ports p and q. The shaft E is slotted with a straight groove e, while the sleeve F contains a helical groove f4 across its surface, and the collar D, sliding over the sleeve F, carries a pin e', which fits both the said vertical and helical grooves, causing the sleeve to turn relatively to the shaft when the collar is moved in the axialV direction of the said shaft E.
Referring to Figs. 6 to 10, I show a modification of my invention wherein a pyramidally-shaped lever A issupported similarly to the lever A of Fig. 1 on thesupporting-beam B and pin C. At the apex of A' is secured a pin ct', which turns the crank fi', extending from the bevel-wheel J, which wheel meshes ing, by virtueof the. combined oscillations of ICO with bevel-wheel I, to which is fastened the main shaft X. In the lower periphery of A are contained the boxes a2, with brasses a3 and caps a4 for the lower ends gs of the connecting rods G. Brackets M" are bolted through their flanges m', by means of bolts n', to thelower ends of the cylinders, the said brackets being bolted together through their lower anges m6, where a nipple m7 is held in place, which incases a pin g4, secured to the casing Y2. A gage-glass Y is fitted to the cas ing Y2.
In both forms of my invention a bearing d (see Fig. 9) is cast or secured to one` of the cylinders, and in the said bearing oscillates a spindle d3, which carries a forked lever d2, supporting rollers d', which actuate in the groove d of the collar D when it is moved up and down the sleeve F by means of a' handlebar d4, secured to the spindle cl3. It is evident that the position of the pin e Vcontrols the y relative positions of the sleeve F to the shaft E, and there is obtained a simpledevice for reversing the engine.
In the modification of my invention a hollow chamber w3 see Figs. 8 to 10) is cast with the cylinders to cover the gears J and I and to prevent the oil splashing above said gears from the casing covering the lower end of the engine.
Steam enters the high-pressure cylinders (see Figs. 4 and 5) through the pipes S S after passing the valves QQ by means of the ports q g', and upon the upstrokes of said pistons the steam enters the receiver R and from thence is led into the low-pressure cylinders through the ports pp by means of the valves P P and returning through said ports under control of Ithe valves P P exhausts throughv the pipes TT.
Referring to Figs. l and 2, it will be evident that when the double-cone-shaped lever A is in the position shown in the drawings and a push is exerted on the box A2 bya connecting-rod of ahigh-pressure piston the pin a Will turn the crank t, with the shaft E, and the pin a2, with crank t?, will turn the shaft E', and after having revolved ninety degrees one of the low-pressure connectingrods will come in play, and thus continued by the other high and low pressure pistonrods in like manner will produce a uniform and easy motion.
In the modified form of my invention (see Figs. 6 and 8) the pin a through the crank L" turns the shaft E, which carries the bevel- Wheel J, and consequently communicates motion to the main shaft X through the bevelwheel I.
Having described my invention, I desire to secure by United States Letters Patent and claim- An engine comprising, cylinders H and L, pistons h, Zactnatingin the cylinders, a lever A swinging on a universal joint, connectingrods G connecting the pistons and the lever, valves P, Q, operating over ports p', q on the cylinder-head U, valve-rods g4, 194, yokes q2, p2, formed in the valverods, a valveshatt E supported over and connected with the lever A, a pin a connected to said lever, a crank 'L' secured to the valveshaft E and engaged with the pin a, a main shaft E below the lever A, a crank i2 secured to the shaft E', a pin a2 connected to crank t2 and engaged with the lever A, a capped sleeve F over valve-shaft E, a pin f2 in the cap f of the said sleeve, rollers]E3 turning on the pin f2 communicating motion to the valveLyokes, a collar D with the pin e actuating in a straight slot in the shaft E and in a helical slot in the sleeve F, a forked lever d2, rollers d' on the forked lever engaging in the circular groove d5 in the collar D, a handle-bar d4 secured to the spindle d3 supporting the forked lever d2, brackets M extending from the cylinders H, L, a casing Y surrounding the brackets and pierced for the shaft E', a stung-box EZ with gland E3 secured to the brackets M, substantially as described.
Signed at New York, in the county of Newr York and State of New York, this 11th day of April, A. D. 1901.-
ALEXANDER J. PEET.
C. B. HARRIS, WM. P. FRANC.
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