US453065A - Rotary steam-engine - Google Patents

Rotary steam-engine Download PDF

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US453065A
US453065A US453065DA US453065A US 453065 A US453065 A US 453065A US 453065D A US453065D A US 453065DA US 453065 A US453065 A US 453065A
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steam
engine
heads
rotary steam
sliding
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US case filed in Nevada District Court litigation Critical https://portal.unifiedpatents.com/litigation/Nevada%20District%20Court/case/2%3A06-cv-00164 Source: District Court Jurisdiction: Nevada District Court "Unified Patents Litigation Data" by Unified Patents is licensed under a Creative Commons Attribution 4.0 International License.
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3441—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C2/00—Rotary-piston engines
    • F03C2/30—Rotary-piston engines having the characteristics covered by two or more of groups F03C2/02, F03C2/08, F03C2/22, F03C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members

Definitions

  • This invention relates to improvements in rotary steam-engines, which will be hereinafter more particularly described and pointed out.
  • Figure 1 is a side elevation, partly in section.
  • Fig. 2 is a transverse vertical section.
  • A is the main shaft, on which is properly secured the wheel B.
  • the periphery of B is covered by a rectangular cap 0, Which is supported in any suitable frame D D.
  • the cap is made steamtight for about one-fourth of the circumfer ence from c at the top to c on the right of Fig. 1. This may be accomplished by various methods; but I use steel packing-rings d cl, as shown in Fig. 2.
  • the periphery Z) of the wheel B is wide enough to have two series of heads 13 B arranged alternately thereon, as shown in Fig. 1, so that when the steam is not acting on onethe other will be acted upon.
  • On top of the cap 0 is the steam-chest D, which is divided by a partition (Z. d d are the inlet-ports, and d the slide-valve.
  • the sliding head E is a sliding head to each division of the steam-chest D, which moves vertically by the heads 13 as they pass under them.
  • the sliding heads E are attached the crank-levers F, to which are pivoted the valve-rods f and valves d".
  • the heads have a cam shape, extending from the outside at B to the circumference of the wheel-rim at t' and from B to the rim 2'.
  • the purpose of this cam-surface is to gradually raise the sliding head E until the head has finally passed from under it.
  • the cam-surface is so arranged in each engine, when constructed, that the sliding head E will be raised at the proper time to out off the steam, according to the travel of each head, in connection with the lead of the valve in the steam chest.
  • the can1-surfaces of the heads B and B" are narrower than the heads and do not touch the sides of the cap O.
  • the shaft A can be supported in any suitable frame H, as shown in Fig. 2, and the driving wheels or gears G can be secured.
  • the sliding heads E provided with the projecting plates g, in combination with the crank-levers F, sliding valve-rods f, valves c of the steam-chest D, and the wheel 13, having series of cam-surfaced heads B B alternately arranged on the periphery of steam-chest 0, all substantially as and for the purpose described.

Description

(No Model.)
S. B. PATTESON.
ROTARY STEAM ENGINE.- No; 453,065. Patented May 26, 1891.
"m2 uonms PETERS co.. nHoro-Lrmu, WASHINGTON: n. c.
UNITED STATES PATENT OFFICE.
SAMUEL B. PATTESON, OF ST. JOSEPH, LOUISIANA.
ROTARY STEAM-ENGINE.
SPECIFICATION forming part of Letters Patent No. 453,065, dated May 26, 1891. Application filed February 5 1891. Serial No. 380,284. (No model.)
.To all whom it may concern;
Be it known that I, SAMUEL B. PATTESON, a citizen of the United States, residing at St. Joseph, in the parish of Tensas and State of Louisiana, haveinvented certain new and useful Improvements in Rotary Steam-Engines; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to improvements in rotary steam-engines, which will be hereinafter more particularly described and pointed out.
In the accom panyingdrawings,forming part of this specification, Figure 1 is a side elevation, partly in section. Fig. 2 is a transverse vertical section.
A is the main shaft, on which is properly secured the wheel B.
The periphery of B is covered bya rectangular cap 0, Which is supported in any suitable frame D D. The cap is made steamtight for about one-fourth of the circumfer ence from c at the top to c on the right of Fig. 1. This may be accomplished by various methods; but I use steel packing-rings d cl, as shown in Fig. 2. The periphery Z) of the wheel B is wide enough to have two series of heads 13 B arranged alternately thereon, as shown in Fig. 1, so that when the steam is not acting on onethe other will be acted upon. On top of the cap 0 is the steam-chest D, which is divided by a partition (Z. d d are the inlet-ports, and d the slide-valve.
E is a sliding head to each division of the steam-chest D, which moves vertically by the heads 13 as they pass under them. To, the sliding heads E are attached the crank-levers F, to which are pivoted the valve-rods f and valves d". The heads have a cam shape, extending from the outside at B to the circumference of the wheel-rim at t' and from B to the rim 2'. The purpose of this cam-surface is to gradually raise the sliding head E until the head has finally passed from under it. The cam-surface is so arranged in each engine, when constructed, that the sliding head E will be raised at the proper time to out off the steam, according to the travel of each head, in connection with the lead of the valve in the steam chest. lVhenever the heads 13 pass under the sliding heads E, which have been elevated, the crank-leversF move the sliding valve-rods fand close the ports d and shut off the steam from the chamher 0 of the cap 0. On the side of the sliding heads E are projecting plates 9, the object of which is to cover the under side of the ports (2, so that as soon as a head 18 has passed from under this plate 9 the steam from the port will immediately force the head down to its normal position. At h is the exhaustpipe for the out-let of the steam from the chamber 0. From 2' around three-quarters of the cap 0 around to the top at c the sides of the cap 0 do not touch the wheel B to avoid friction.
The can1-surfaces of the heads B and B" are narrower than the heads and do not touch the sides of the cap O.
The shaft A can be supported in any suitable frame H, as shown in Fig. 2, and the driving wheels or gears G can be secured.
I claim- In a rotary steam-engine, the sliding heads E, provided with the projecting plates g, in combination with the crank-levers F, sliding valve-rods f, valves c of the steam-chest D, and the wheel 13, having series of cam-surfaced heads B B alternately arranged on the periphery of steam-chest 0, all substantially as and for the purpose described.
In testimony whereof I affix my signature in presence of two witnesses.
S. B. PATTESON.
Witnesses:
THos. H. YOUNG, Tnos. H. SMITH.
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