US280256A - Hungaby - Google Patents
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- Publication number
- US280256A US280256A US280256DA US280256A US 280256 A US280256 A US 280256A US 280256D A US280256D A US 280256DA US 280256 A US280256 A US 280256A
- Authority
- US
- United States
- Prior art keywords
- pulley
- cord
- drum
- engine
- swivel
- 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
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- 238000010586 diagram Methods 0.000 description 4
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 4
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/02—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid mechanically indicating or recording and involving loaded or return springs
Definitions
- ⁇ A/ITNE'EEIEE INVENTELR 2 3 LafiidaVSbcm/h w low-man W N. PETERS, Fhoiu-Lulhngmphur. wmmm. n. c
- LADISLAV STANEK OF PRAGUE, BOHEMIA, AUSTRIA-HUN GARY, ASSIGNOR TOTHE AMERICAN STEAM GAUGE COMPANY, OF BOSTON, MASS.
- My invention relating to steam-engine in- IO dicators, is intended as an improvement on the well-known indicators in which a pencil moved by the pressure of steam in the engine cylinder marks a diagram on a paper wrapped around a drum having an oscillating rotary I 5 movement, caused by a cord wrapped around and attached to a pulley or guide connected with the said drum, the other end of the said cord being connected with some reciprocating part of the engine, so that the movement of the drum, or travel of the paper beneath the pencil, is proportional to the reciprocating movement of the engine-piston, the said drum being acted upon by a spring tending to turn it in one direction, and thus the actuatingcord tight.
- the present invention relates, especially, to the guiding device or leading-off pulley for the said cord, by which it, passing tan gentiall-y from the pulley upon the drum, may 0 be led in any desired direction for convenient attachment to the reciprocating part of the engine.
- the said pulley is mounted on a bearing-piece or swivel, itself pivoted in an arm upon a plate mounted concentrically with 3 5 the paper-carrying drum, the said plate being adjustable angularly to place the leading-off pulley in any desired position relative to the drum, after which the said pulley may be turned with its swiveled bearing-piece to any 0 desired plane of rotation, it always retaining the cord tangent to the pulley on the papercarrying drum.
- the said cord is coincident with the axis of rotation of the swiveled bearing-piece of the leading-off pulley, the said bearing-piece being made tubular to permit the cord' to pass through it.
- Figure l is a front elevation of an indicator provided with guiding mechanism for leading off the actuating-cord embodying this invenalways keeping tion;
- Fig. 2 a plan view of the cord-guiding 5o mechanism detached, and
- Fig. 3 a side eleva' tion.
- the actuating mechanism (shown at a) for the pencil or marking device I), and the drum 0, adapted to hold the sheet of paper upon which 5 5 the diagram is to be marked, are of any wellknown construction, they forming no part of the present invention.
- the said paper-holding drum 0 is mounted 011 and rotated by the drum actuating pulley (Z, having connected with it and wound once around it the actuating cord 6, which, when the instrument is in use, is connected at its other end with some reciprocating part of the engine to be tested.
- the said cord In order to insure that the said cord shall run properly onto and off from the actuating-pullcy d, it is carried over the leading-off pulleyf, mounted 011 a bearing-piece or swivel, h, adapted to turn in a socket, 1', within an arm, 70, projecting from a plate, m, adapted to be fastened in adjusted position upon the bracket or bed plate a of the apparatus that sustains the drum 0.
- the shank or stem lb, of the swivel 71. is made tubular, as shown in dotted lines, Figs.
- the shank h of the swivel is provided with an annular groove, 3, co-operating with a thumb-screw, 1-, to prevent it from being withdrawn from its socket, and by turning the said screw in hard the swivel and pulley may be prevented from moving after it is once set in the proper position.
- the plate m is fastened in the proper position by the thumbscrew t, and it will be seen that the axis of rotation of the swivel 7b is coincident with the axis of the cord 6 when tangent to the 9 5 pulley (I, while the axis of rotation of the plate m is coincident with that of the drum 0, so that by the movement of the said plate and swivel a universal adjustment is afforded for the cord-guiding pulley, thus greatly increasing the convenience of attaching it to the engine.
Description
(No Model.) u r L. STANEK.
STEAM ENGINE INDICATOR.
No..28-0,256. Patented June 26, 1883.
\A/ITNE'EEIEE INVENTELR 2: 3 LafiidaVSbcm/h w low-man W N. PETERS, Fhoiu-Lulhngmphur. wmmm. n. c
UNITE STATES PATENT OFFICE.
LADISLAV STANEK, OF PRAGUE, BOHEMIA, AUSTRIA-HUN GARY, ASSIGNOR TOTHE AMERICAN STEAM GAUGE COMPANY, OF BOSTON, MASS.
STEAM-ENGINE INDICATOR.
SPECIFICATION forming part of Letters Patent No. 280,256, dated June 26, 1883.
Application filed March 15, 1883. (No model.)
To all whmn it may concern/.- Be it known that I, LADISLAV STANEK, of Prague, in Bohemia, in the Empire of Austria,
have invented an Improvement in Steam-En gine Indicators, of which the following description, in connection with the accompanying drawings, is a specification, like letters 011 the drawings representing like parts.
My invention, relating to steam-engine in- IO dicators, is intended as an improvement on the well-known indicators in which a pencil moved by the pressure of steam in the engine cylinder marks a diagram on a paper wrapped around a drum having an oscillating rotary I 5 movement, caused by a cord wrapped around and attached to a pulley or guide connected with the said drum, the other end of the said cord being connected with some reciprocating part of the engine, so that the movement of the drum, or travel of the paper beneath the pencil, is proportional to the reciprocating movement of the engine-piston, the said drum being acted upon by a spring tending to turn it in one direction, and thus the actuatingcord tight.
The present invention relates, especially, to the guiding device or leading-off pulley for the said cord, by which it, passing tan gentiall-y from the pulley upon the drum, may 0 be led in any desired direction for convenient attachment to the reciprocating part of the engine. The said pulley is mounted on a bearing-piece or swivel, itself pivoted in an arm upon a plate mounted concentrically with 3 5 the paper-carrying drum, the said plate being adjustable angularly to place the leading-off pulley in any desired position relative to the drum, after which the said pulley may be turned with its swiveled bearing-piece to any 0 desired plane of rotation, it always retaining the cord tangent to the pulley on the papercarrying drum. The said cord is coincident with the axis of rotation of the swiveled bearing-piece of the leading-off pulley, the said bearing-piece being made tubular to permit the cord' to pass through it.
Figure l is a front elevation of an indicator provided with guiding mechanism for leading off the actuating-cord embodying this invenalways keeping tion; Fig. 2, a plan view of the cord-guiding 5o mechanism detached, and Fig. 3 a side eleva' tion.
The actuating mechanism (shown at a) for the pencil or marking device I), and the drum 0, adapted to hold the sheet of paper upon which 5 5 the diagram is to be marked, are of any wellknown construction, they forming no part of the present invention. The said paper-holding drum 0 is mounted 011 and rotated by the drum actuating pulley (Z, having connected with it and wound once around it the actuating cord 6, which, when the instrument is in use, is connected at its other end with some reciprocating part of the engine to be tested. In order to insure that the said cord shall run properly onto and off from the actuating-pullcy d, it is carried over the leading-off pulleyf, mounted 011 a bearing-piece or swivel, h, adapted to turn in a socket, 1', within an arm, 70, projecting from a plate, m, adapted to be fastened in adjusted position upon the bracket or bed plate a of the apparatus that sustains the drum 0. The shank or stem lb, of the swivel 71. is made tubular, as shown in dotted lines, Figs. 2 and 3, for the passage of the cord, and the pulley f is so mounted that, in whatever position it may be placed, the cord between it and the pulley (1 will be tangent to both pul leys, so that it will run smoothly thereon. By the rotary movement of the plate m upon the bracket n, and by the rotation of the swivel h in its socket t 011 the arm 7c, the cord 0 may be led in any desired direction from the instrument to the reciprocating part of the engine to which it is to be attached. The shank h of the swivel is provided with an annular groove, 3, co-operating with a thumb-screw, 1-, to prevent it from being withdrawn from its socket, and by turning the said screw in hard the swivel and pulley may be prevented from moving after it is once set in the proper position. The plate m is fastened in the proper position by the thumbscrew t, and it will be seen that the axis of rotation of the swivel 7b is coincident with the axis of the cord 6 when tangent to the 9 5 pulley (I, while the axis of rotation of the plate m is coincident with that of the drum 0, so that by the movement of the said plate and swivel a universal adjustment is afforded for the cord-guiding pulley, thus greatly increasing the convenience of attaching it to the engine.
I claim-- 1. In a steam-engine indicator, the papercarrying drum and its actuating-pulley, and the supporting-bracket therefor, combined with the guiding-pulley and its swiveled bearing-piece, having a tubular shank connected with the said bracket, to operate substantially as described.
2. The combination of the leadingoff pulley and its swiveled bearing-piece with the supporting-plate for the said bearing-piece, adapt ed to be fastened in adjusted position on the paper drum -holding bracket of a steam-en gine indicator, substantially as and for the purpose set forth.
Publications (1)
Publication Number | Publication Date |
---|---|
US280256A true US280256A (en) | 1883-06-26 |
Family
ID=2349472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US280256D Expired - Lifetime US280256A (en) | Hungaby |
Country Status (1)
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US (1) | US280256A (en) |
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- US US280256D patent/US280256A/en not_active Expired - Lifetime
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