US645132A - Rotary engine. - Google Patents

Rotary engine. Download PDF

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Publication number
US645132A
US645132A US73872199A US1899738721A US645132A US 645132 A US645132 A US 645132A US 73872199 A US73872199 A US 73872199A US 1899738721 A US1899738721 A US 1899738721A US 645132 A US645132 A US 645132A
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Prior art keywords
cylinder
disks
plates
passage
shaft
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US73872199A
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Major J Robinson
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Major J Robinson
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009Special features
    • F04B43/0054Special features particularities of the flexible members
    • F04B43/0072Special features particularities of the flexible members of tubular flexible members

Description

No. 645,|32. Patented Mar. l3, I900. M. J. ROBINSON.-
BOTABY ENGINE.
. (Application filed Nov. 29, 1899.)
(No Model.) 3 Sheets-Sheot l.
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ROTARY ENGINE.
A lication fi1ed Nov. 29, 1899.]
3 Sheets-Sheet 2.
(No Model.)
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No. 645,|32. Patented Mar. l3, I900. M. J. ROBINSON. ROTARY ENGINE. (Application filed Nov. 29, 1899.1
.3 Sheets-Sheet 3.
(No Model.)
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UNITED STATES PATENT rrrcn.
MAJOR J. ROBINSON, OF LOS ANGELES, CALIFORNIA.
ROTARY ENGINE.
SPECIFICATION forming part of Letters Patent No. 645,132, dated March 13, 1900. Application filed November 29, 1899. Serial No. 738,721. (No model.)
citizen of the United States, residing at Los Angeles, in the county of Los Angeles and State of California, have invented a new and useful Rotary Engine, of which the following is a specification.
This invention relates to fluid-pressure engines in general, and more particularly to that class known as rotary engines, and it has for one object to provide a construction comprising a rotary piston which will be operated by the expansive force of steam and in which, moreover, the power of the engine may be easily and quickly changed, a further object of the-invention being to so construct and arrange the parts that they will be cheap of structure, in which the friction will be reduced to a minimum, and in which, moreover, the movable parts will be securely packed against the escape of steam.
In the drawings forming a portion of this specification, and in which similar numerals of reference designate like and corresponding parts in the several views, Figure 1 is a side elevation showing the complete engine with the throttle-valves omitted. Fig. 2 is a section'on line 2 2 of Fig. 3, with the disksupporting spiders in place. Fig. 3 is a central vertical section of Fig. 1, part being shown in elevation. Fig. 4 is a detail .elevation showing the shaft of the engine with the piston mounted thereon. Fig. 5 is a side elevation showing one of the spiders having a series of the disk, elements of the piston mounted thereon.- Fig. 6 is a detail view showing in section one side of the'cylinder with a packing strip therein. Fig. 7 is a transverse section of the flexible packing strip or sheet.
Referring now to the drawings, the engine comprises a cylinder 10, having heads 11 and 12, fixed in its ends, these heads being substantially disk-shaped and having their central portions extended outwardly, as shown at 13 and 14, and provided with bearings for the shaft 15 of the engine. The cylinder is supported upon a bed 16, comprising side pieces, the upper ends of which are arc-shaped to receive the peripheries of the extensions of the cylinder-heads.
The shell of the cylinder 10 is formed in two parts 17 and 18, each of which is areshaped and somewhat less than a semicircle.
At the ends of these cylinder-sections are portion 24, which lies between the uppermost lugs 19 and 20. The are of the outline of this portion of the plate has a greater radius than the central opening of the plate, and its center is in vertical alinement with the center of the cylinder and so positioned that a continuation of this arc-shaped outline is substantially tangent at its lowermost point with the curvature of the opening 23. The opposite edge of this upwardly-continued portion of the plate is outlined by a short are of great radius and is reentrant. The lower portion or extension 25 of the plate is similar in every respect to the upper extension and terminates in a narrowed end 26, which lies between the lowermost lugs 19 and 20. One of these plates 22 lies against the inner face of each of the heads of the cylinder, and between these two outermost plates are disposed, in this instance, three additional plates 27, 28, and 29, the end portions of the several plates being thickened, as shown in Fig. 3, resulting in the formation of interspaces 30. Uponreference to Fig. 2 it will be seen that with this structure and arrangement of plates there is a'passage at one side of the cylinder which tapers from the lowermost point thereof upwardly, while at the opposite side there is a second and similar passage which tapers from the uppermost portion tothe lowermost,
these passages being shown at 32 and 33, respectively.
Upon the shaft 15 are mounted two spiders 34 and 35, each of which has three equidistaut arms, and mounted in these arms, which are disposed in alinement correspondingly, are arbors 36, 3 7, and 38. Upon each of the arbors are journaled four disks 39, 40, and 41, respectively, and which disks are disposed ICO ends of the plates 22, 27, 28, and 29 are clamped between the lugs 19 and 20 through the medium of the bolt 21, and between the majorou terface of each extension of the plates and the adjacent lug there is clamped the extremity of a packing-sheet, one packing-sheet 42 having an end clamped between the uppermost lug 19 and the adjacent ends of the plates, while the other packing-sheet 43 has an end clamped between the lowermost lug 20 and the adjacent ends of the plates. These packing-sheets are of such length as to extend around the inner periphery of the cylinder from their points of attachment very nearly to a diametrically-opposite point and v are of such thickness that they completely till the interspaces between the outermost points of the disks 39, 40, and 41 and the inner face of the cylinder, the disks when rotating with the shaft 15 acting to hold the packing-sheets tightly against the inner surface of the cylinder. These packing-sheets 42 and 43 are of flexible material and are formed, preferably, of an outer layer 44, of belting or rubber packing material, and an inner layer 45, consisting of any desired number of thin and flexible sheets of metal, so
that while they will sustain the more flexible material of the outer layer they will permitit to bend to an extent sufficient to conform to the outlines of the plates 22, 27, 28, and 29 and the disks.
Through the lowermost lug 20 is formed a steau1-inlet opening 46, communicating with a feed-pipe 47, while in the uppermost lug 20 is formed an exhaust-opening which communicates with an exhaust-pipe 48. A feed-pipe 49 communicates through the uppermost lug 19 with the passage 32, while the exhaust-pipe 5O communicates through the lowermost lug 19 with the passage.
In operating the engine of the present invention steam may be admitted to the passages 32 and 33 through the pipes 46 and 49 simultaneously, and supposing that the parts be in the position shown in Fig. 2 the steam will expand and will press the packing-sheets inwardly, as shown, and then in exerting pressure through the packing-sheets against the disks 40 and 41 will push them to the left, causing the shaft 15 to rotate, while the disks will have rolling engagement with the plates upon the inner faces of the packing-sheets. Pressure against the disks 41 will continue until the disks 36 have engaged the sheet 43 and pressed it over the inlet-opening 46, at which time the passage of steam through the pipe 47 will cease until the disks 36 have passed beyond the inlet-opening, after which the steam will press the packing-sheet up and behind the disks 36 and will expand and move the disks to follow the disks 41. The same operation takes place at the uppermost inlet from the pipe 49, it being understood that as each series of disks passes the exhaust-opening the steam in the rear thereof will flow outwardly.
With the above construction it will be seen that either one or both of the steam-supply pipes may be operated and that either the entire power or half the power of the engine may be utilized when desired, the momentum of the parts acting to carry the disks across the inlet-opening when only one-half the power of the engine is utilized.
Upon reference to Fig. 7 of the drawings it will be noted that the side edges of the packing-sheets are notched, as shown at 51 and 52, and in these notches are arranged expansible packing-strips 53 and 54, which by their expansive action closely impinge the heads of the cylinder and prevent leakage of steam, as will be readily understood.
It will be understood that in practice a spider with any desired numberof arms maybe employed to support a greater or lesser number of series of disks and that various other modifications in the structure may be made, both with regard to material and proportion, without departing from the spirit of the invention.
It will be noted upon reference to Fig. 2 of between the disks 40 and thedisks 39 increases as the disks are rotated about the shaft 15. In this manner the surfaces of both the disks 39 and the disks 40 are employed to rotate the shaft 15iinstead of employing a single surface at a time, as is customary.
What is claimed is 1. A rotary engine comprising a cylinder, a shaft in the'cylinder, a tapered passage in the cylinder,a pressure-receiving body adapted to traverse the passage and project there into to varying extents, and means for supplying pressure to said body.
2. A rotary engine comprising a cylinder having a shaft and provided with a tapered passage, means for supplying pressure to the passage, a pressure-receiving body adapted to project into the passage to Varying de= grees, a flexible sheet adapted to lie against the wall of the passage and the pressure-receiving body, and means for supplying pressure to the passage.
3. A rotary engine comprising a cylinder having a shaft therein, plates disposed in the cylinder and separated from the walls thereof by tapered interspaces forming passages, a flexible sheet in each passage adapted to lie upon the plates at one side of the passage, and pressure-receivin g bodies adapted to proj ect into the passages and in engagement with the sheets, said bodies being adapted for movement longitudinally of the passages to vary their degrees of projection.
4. A rotary engine comprising a cylinder having a shank concentric therewith, a plurality of pressure-receiving bodies mounted upon the shaft and rotatable therewith,plates within the cylinder and having curved edges eccentric to the cylinder and forming tapered passages, flexible sheets fixed to the plates at the minor ends of the passages, and means for admitting fluid under pressure to the minor ends of the passages.
5. A rotary engine comprising a cylinder, a plurality of plates disposed in the cylinder and separated by interspaces, said plates having curvilinear outer faces and separated by interspaces, a'shaft in the cylinder, spiders mounted upon the shaft, arbors carried by the arms of the spiders,disks rotatably mounted upon the arbors, flexible sheets fixed in the cylinders and adapted to lie upon the edges of the plates and of the disks, a steaminlet communicating with the cylinder between the wall thereof and the sheet, and a steam-outlet.
6. A rotary engine comprising a cylinder, a plurality of plates disposed in the cylinder and separated by interspaces, a tapering steam-passage between the plates and the periphery of the cylinder, a shaft in the cylinder, rotatable pressure-receiving bodies carried by the shaft and adapted to successively pass into and out of the passage, a flexible sheet fixed in the cylinder and adapted for engagement with the plate and the pressurereceiving bodies, said sheet lying in the passage, and steam inlet and outlet openings communicating with the passage.
7. A rotary engine comprising a cylinder, plates disposed in the cylinder and separated by interspaces,tapering passages between the edges of the plates and the inner wall of the cylinder, a shaft mounted in the cylinder,
spiders fixed to the shaft, arbors mounted in v the arms of the spiders, rotatable disks carried by the arbors, a flexible sheet in each passage fixed to the cylinder, said sheet being adapted to lie upon the edges of the plates and of the disks, a steam-inlet communicating with the narrowed end of each passage, and a steam-outlet communicating with the broadened end of each passage.
In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two witnesses.
- MAJOR J. ROBINSON,
W'itnesses:
ANNA J. ROBINSON, h/IAUD HAZZARD.
US73872199A 1899-11-29 1899-11-29 Rotary engine. Expired - Lifetime US645132A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970748A (en) * 1958-07-15 1961-02-07 Wilfrid H Bendall Rotary compressors
US3597123A (en) * 1969-06-02 1971-08-03 Otto P Lutz Apparatus for feeding and compressing gases and liquids
US20030189621A1 (en) * 2002-04-04 2003-10-09 Canon Kabushiki Kaisha Liquid discharge head and recording apparatus provided with the liquid discharge head
US20060251532A1 (en) * 2003-03-18 2006-11-09 Junya Fujii Roller pump

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970748A (en) * 1958-07-15 1961-02-07 Wilfrid H Bendall Rotary compressors
US3597123A (en) * 1969-06-02 1971-08-03 Otto P Lutz Apparatus for feeding and compressing gases and liquids
US20030189621A1 (en) * 2002-04-04 2003-10-09 Canon Kabushiki Kaisha Liquid discharge head and recording apparatus provided with the liquid discharge head
US20060251532A1 (en) * 2003-03-18 2006-11-09 Junya Fujii Roller pump

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