US171679A - Improvement in direct-acting engines - Google Patents
Improvement in direct-acting engines Download PDFInfo
- Publication number
- US171679A US171679A US171679DA US171679A US 171679 A US171679 A US 171679A US 171679D A US171679D A US 171679DA US 171679 A US171679 A US 171679A
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- United States
- Prior art keywords
- rod
- direct
- improvement
- valve
- piston
- 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.)
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- 238000010276 construction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000004907 Glands Anatomy 0.000 description 2
- 210000003371 Toes Anatomy 0.000 description 2
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0094—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
Definitions
- Direct-actin g engines and pumps are usually at a suflicient distance apart to allow of the movement of an arm'with and upon the piston-rod, between the heads of the respective steam and water cylinders, to operate the steam-valve; but this renders it necessary to employ a bed-plate that is sufficiently long to support said cylinders, and a proportionately long piston-rod.
- Efforts have been made to place the cylinder of the pump close to the cylinder of the engine, and to move the steamvalve by the use of slide-rods passing into the Steam -cylinder from each end, and against which the piston strikes in completing the stroke. These are noisy, and do not remain in good working condition.
- my said invention consists in the combination, with a direct-acting pumping-engine, of a rod attached near one edge of the piston, passing out through the cylinderhead, and sliding at the side of the water-cylinder, and connected by a link to the lever that gives motion to the steam-valve.
- a direct-acting pumping-engine of a rod attached near one edge of the piston, passing out through the cylinderhead, and sliding at the side of the water-cylinder, and connected by a link to the lever that gives motion to the steam-valve.
- Figure 1 is an elevation of the pumping-engine; and Fig. 2 is a plan view, with the Steam-cylinder partially in section.
- the steam-cylinder a, piston b, rod 0, and pump-cylinder d are of usual construction, except that the cylindcrs a and d are placed as closely together as convenientfor adjusting the glands or stuflingboxes f and 9.
- Attached to the piston b, near one edge, is the rod h, and passing through the stuffing-b0x it upon the cylinder-head k, the said rod h being parallel with the piston-rod 0, and connected at its outer end to a cross-head, 1, upon a slide-rod or ways, m, that serve to guide the outer end of this rod h, and also for connecting the link it to the lever 0, that serves to give motion to the rock-shaft 1' of the valve-chest 8.
- Upon said rock-shaft r are the plate a and adjustable tappets e, that serve to determine the extent of the valve-motion, as in Letters Patent No. 1,334, granted in Great Britain April 23, 1868, to O. B. and J. Hardick.
- valve-actuating rod is moved 'bythe sad
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Description
ame-695 502416 N-PETERS, PHOTO-LITHOGRIFNEH. WAEHINGTON, D C- UNITED STATES PATENT OFFICE.
JAMES W. MATHIESON, 0F BROOKLYN, NEW YORK, ssIeNoE To SARAH HARDIOK, EXEOUTRIX, AND JOHN EYEE AND ABRAHAM H. VAN oEsEN, EXEo ToEs, OF THE ESTATE OF CHARLES B. HAEDIOK, DEoEAsED.
IMPROVEMENT IN DIRECT-ACTING ENGINES.
Specification forming part of Letters Patent No. 171,679, dated January 4, 1876; application liled December 3, 1675.
To all whom it may concern:
Beit known that 1, JAMES W. MATHmsoN, of Brooklyn, in the county of Kings and State of New York, have invented an Improvement in Direct-Actin g Engines, of which the following is aspecification:
Direct-actin g engines and pumps are usually at a suflicient distance apart to allow of the movement of an arm'with and upon the piston-rod, between the heads of the respective steam and water cylinders, to operate the steam-valve; but this renders it necessary to employ a bed-plate that is sufficiently long to support said cylinders, and a proportionately long piston-rod. Efforts have been made to place the cylinder of the pump close to the cylinder of the engine, and to move the steamvalve by the use of slide-rods passing into the Steam -cylinder from each end, and against which the piston strikes in completing the stroke. These are noisy, and do not remain in good working condition.
The nature of my said invention consists in the combination, with a direct-acting pumping-engine, of a rod attached near one edge of the piston, passing out through the cylinderhead, and sliding at the side of the water-cylinder, and connected by a link to the lever that gives motion to the steam-valve. By this construction the valve movement is regular and reliable, and the engine and pump are rendered very compact.
In the drawing, Figure 1 is an elevation of the pumping-engine; and Fig. 2 is a plan view, with the Steam-cylinder partially in section.
The steam-cylinder a, piston b, rod 0, and pump-cylinder d are of usual construction, except that the cylindcrs a and d are placed as closely together as convenientfor adjusting the glands or stuflingboxes f and 9. Attached to the piston b, near one edge, is the rod h, and passing through the stuffing-b0x it upon the cylinder-head k, the said rod h being parallel with the piston-rod 0, and connected at its outer end to a cross-head, 1, upon a slide-rod or ways, m, that serve to guide the outer end of this rod h, and also for connecting the link it to the lever 0, that serves to give motion to the rock-shaft 1' of the valve-chest 8.- Upon said rock-shaft r are the plate a and adjustable tappets e, that serve to determine the extent of the valve-motion, as in Letters Patent No. 1,334, granted in Great Britain April 23, 1868, to O. B. and J. Hardick.
It will now be apparent that the movement given by the rod h to the valve-lever is as uniform and regular as it would be if the water and steam cylinders were sufficiently distant to allow for a valve-moving arm upon the piston-rod; and in my pump the parts are very compact and reliable, and the size, weight, and cost of the bed and other parts are lessened.
I am aware that the piston-rod of an engine has been tubular, and that a rod has passed from the same through the back head of the cylinder, to actuate the valve.
the lever of the rock-shaft or valve-actuating mechanism, substantially as set forth.
Signed by me this 30th day of November, A. D. 1875.
' JAMES W. MATHIESON.
Witnesses:
GEo. T. PINGKNEY, CHAS. E. SMITH.
In this case. the valve-actuating rod is moved 'bythe sad,
Publications (1)
Publication Number | Publication Date |
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US171679A true US171679A (en) | 1876-01-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US171679D Expired - Lifetime US171679A (en) | Improvement in direct-acting engines |
Country Status (1)
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US (1) | US171679A (en) |
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- US US171679D patent/US171679A/en not_active Expired - Lifetime
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