US235410A - John beieely - Google Patents

John beieely Download PDF

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Publication number
US235410A
US235410A US235410DA US235410A US 235410 A US235410 A US 235410A US 235410D A US235410D A US 235410DA US 235410 A US235410 A US 235410A
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United States
Prior art keywords
rod
disk
valve
john
eccentric
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G25/00—Conveyors comprising a cyclically-moving, e.g. reciprocating, carrier or impeller which is disengaged from the load during the return part of its movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/16—Alternating-motion driven device with means during operation to adjust stroke
    • Y10T74/1625—Stroke adjustable to zero and/or reversible in phasing
    • Y10T74/1683—Cam and follower drive

Definitions

  • Figure I represents a front view of the valve-gearing, some of the parts being shown in section.
  • Fig. II is a side elevation of the same.
  • A represents part of a steam-cylinder and slide-valve casin g, arranged vertical above the shaft D and supported by a suitable frame, B.
  • L is the usual D-valve on the port-face of the cylinder, moved by the valve-rod M working through the stuffing-box and in guide N.
  • valve-rod M is connected through the stud-pin q to a disk, R, placed eccentricallyto the center of said disk R.
  • a strap, S is placed, connected to the rod T.
  • a roller, Y is attached, working in a suitable camgroove, Y', in the cani-disk Z, attached to the shaft D.
  • the eccentricdisk R is provided with an external plate or flange, R', provided with a suit-able handle, H', and also with a stud-pin, A', to which a rod, B', can be attached.
  • the lower end of this rod B' is supported at the end of a lever, C', turning on a fixed center, D'.
  • a roller, E' is attached, working in a suitable groove, F', (shown in dotted lines in Fig. II,) in the carn-disk Z'.
  • the grooves Y' and F' in their respective disks Z and Z' are nearly of the same shape and construction, and the disk Z' is placed upon the shaft D in relation to the disk Z, so that the center of the Vcam-groove F', which operates the rod B', will be either about onequarter of a circle or about fo1tyive degrees in advance or behind' the center of the camgroove Y', which operates the rod T, according to the motion of the crank-shaft.
  • an eccentric-lever, G' is attached, acting upon the strap S whenever required, so as to lock the eccentric-disk R and the strap S rmly together.
  • the lower end of the rod T is supported on the end of the lever C, turning on the fixed center D'.
  • the lever O which supports the rod T
  • the lever C' which supports the (No model.)

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanically-Actuated Valves (AREA)

Description

UNITED ASTATES PATENT OEEICE.
JOHN BRIERLY, OF BROOKLYN, NEW YORK.
VALVE-GEAR FOR STEAM-ENGINES.
SPEGIFICATION forming part of Letters Patent No. 235,410, dated December 14, 1880.
Application filed May 21, 1880.
To all whom tt may concern:
Be it known that I, JOHN BRIERLY, of the city ot Brooklyn, in the State of New York, have invented a new and useful Improvement in Valve-Geariii g for Steam-Engines, of which the following is a specification.
In the accompanying drawings, Figure I represents a front view of the valve-gearing, some of the parts being shown in section. Fig. II is a side elevation of the same.
Similar letters represent similar parts.
A represents part of a steam-cylinder and slide-valve casin g, arranged vertical above the shaft D and supported by a suitable frame, B.
L is the usual D-valve on the port-face of the cylinder, moved by the valve-rod M working through the stuffing-box and in guide N.
The valve-rod M is connected through the stud-pin q to a disk, R, placed eccentricallyto the center of said disk R. Around the disk R a strap, S, is placed, connected to the rod T. At the lower end of this rod T a roller, Y, is attached, working in a suitable camgroove, Y', in the cani-disk Z, attached to the shaft D.
The eccentricdisk R is provided with an external plate or flange, R', provided with a suit-able handle, H', and also with a stud-pin, A', to which a rod, B', can be attached. The lower end of this rod B' is supported at the end of a lever, C', turning on a fixed center, D'. To this lever G' a roller, E', is attached, working in a suitable groove, F', (shown in dotted lines in Fig. II,) in the carn-disk Z'.
The grooves Y' and F' in their respective disks Z and Z' are nearly of the same shape and construction, and the disk Z' is placed upon the shaft D in relation to the disk Z, so that the center of the Vcam-groove F', which operates the rod B', will be either about onequarter of a circle or about fo1tyive degrees in advance or behind' the center of the camgroove Y', which operates the rod T, according to the motion of the crank-shaft.
To the (lisk-iiange B' an eccentric-lever, G', is attached, acting upon the strap S whenever required, so as to lock the eccentric-disk R and the strap S rmly together.
The lower end of the rod T is supported on the end of the lever C, turning on the fixed center D'. The lever O, which supports the rod T, and the lever C', which supports the (No model.)
rod B', act at the same time,l so as to keep the respective rollers Y and E' in their properposition.
When the rod B' is disconnected from the stud-pin A' and the strap S iirmly connected to the eccentricdisk B by means of the eccentriclever G', as above mentioned, the rod T, eccentric-disk B, and valve-rod M will form a rigid connection, and the full throw ofthe cam Y' will be communicated to the D-valve L, and the operation of this slide-valve will be in the regular manner, as if a straight connection were made between the cam and said valve.
To work expansively the strap S and eccentric-disk R are disconnected and the rod B' is connected to the stud-pin A', when the cam Y' will operate, through the rod T, the disk R, and the cam F' will act, through the rod B', upon the stud A', attached to the liange R' of said disk R, and as the pin q on saiddisk Ris eccentric to said disk and between the center of the disk It and the center ofthe pin A', this combined action will produce a diminished motion on the pin q, and consequently on the valve-rod M and valve L. l
It will readily be seen that this combined motion on the rod M, and consequently of the valve L, can easily be changed and regulated by the relative position of the stud-pin A'.
When the rod B' is thrown out of gear and the eccentric-disk B is unlocked from the strap S, the rod M, and consequently valve L, can be reversed and moved by hand by means of the reversing-lever H'.
What I claim as my invention, and desire to secure by Letters Patent, is-
1. In combination with the valve-rod M, the eccentric-disk It, with rod T, operated by -a suitable cam, Z, and the rod B', operated by a suitable cam, Z', the whole being arranged and combined to operate substantially in the manner and for the purpose described.
-2. In combination with an eccentric-disk, It, and strap S, connecting the rod T to said eccentric disk R, the locking-lever G, arranged to operate substantially as and for the purpose set forth.
JOHN BRIERLY.
Witnesses:
HENRY E. ROEDER, HENRY VAN BLAnooM.
US235410D John beieely Expired - Lifetime US235410A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509396A (en) * 1945-03-26 1950-05-30 Carl F Mayer Drying apparatus for molds
US20080303937A1 (en) * 2004-07-27 2008-12-11 Daiji Ido Portable Telephone and Autofocusing Method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2509396A (en) * 1945-03-26 1950-05-30 Carl F Mayer Drying apparatus for molds
US20080303937A1 (en) * 2004-07-27 2008-12-11 Daiji Ido Portable Telephone and Autofocusing Method

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