US729313A - Valve-gear. - Google Patents

Valve-gear. Download PDF

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Publication number
US729313A
US729313A US1903142823A US729313A US 729313 A US729313 A US 729313A US 1903142823 A US1903142823 A US 1903142823A US 729313 A US729313 A US 729313A
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Prior art keywords
valve
ports
admission
reversing
shut
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Joseph T Fenton
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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
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
    • F04B1/2014—Details or component parts
    • F04B1/2042—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B1/00—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements
    • F01B1/06—Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements with cylinders in star or fan arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
    • F01B17/00—Reciprocating-piston machines or engines characterised by use of uniflow principle
    • F01B17/02—Engines
    • F01B17/04—Steam engines
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87917—Flow path with serial valves and/or closures

Definitions

  • Figure l is a side elevation of the improvement as applied to a three cylinder engine.
  • Fig. 2 is a sectional side elevation of.v the same on the line 2 2 of Fig. 3.
  • Fig.3 is a crosssection of the same on the line 3 3 of Fig. 1.
  • Fig. 4. is a rear face view of the admission and exhaust valve.
  • Fig.5 is a sectional side elevation of the improvement on the line 5 5 of Fig. 3.
  • Fig. 6 is a similar view of thesame on the line 6 6 of Fig. 3.
  • Fig. 7 is a like view of the same on the line 7 7 of Fig. 3. is a similar view of the improvement shown in Fig. 6, the parts being in a differentposi; tion; and
  • Fig. 9 is a face view of a bearing for the main shaft.
  • the engine-cylinders A, A, and Aiaresymf" metrically disposed on a closed casing B, into which open the inner ends of the said cylinders, and in the latter are mounted to reciprocate istons O, O, and C connectedbypitmen D, D, and D with the crank-arm E5 of the main shaft E, journaled in suitable Fig. 8'
  • the steam-chestF is provided with a steaminlet pipe G, connected with a boiler or other suitable source of motive-agent supply, and an exhaust-pipe H leads from the casing B, preferably at the bottom thereof, as plainly indicated in the drawings.
  • Cylinder-ports a, a, and a? extend from the outer ends of the cylinders and lead to the face 13 of the casing, and the inlet ends of the said ports at the face B are arranged in a circle to register with elongated ports I), b, and 19 formed in a circular reversing and shut-off valve I, concentric with the shaft E, as plainly illustrated in the drawings.
  • the valve I is mounted to turn on the hub J of a cut-off valve J, having pairs of ports 0, c, and 0 adapted, to register with the ports 12, b, and b in the reversing and shutoff valve I.
  • the pairs of ports 0, c, and o are adapted to register with an admissionport (1, formed in an admission and exhaust valve K, mounted to turn loosely on the shaft E, and the rear face of this admission and exhaust valve K is provided with an exhaustcavity 6, opening to a central aperture J 2 in the valve J, which aperture registers with a central aperture. 1, formed in the valve 1, and thisaperture registers with an opening B leading to the inside of the casing B, as plainlyshown in Fig. 3.
  • the other valve J is provided on its peripheral face with gear-teeth J in mesh with a segmental gear-wheel N, fastened on the inner end of a hollow shaft N, journaled in suitable hearings on the steam-chest F, and on the outer end of this shaft N is secured a handle N likewise within reach of the operator.
  • the shaft L has its bearings in the hollow shaft N.
  • the operator in swinging the handle L to a vertical position causes its shaft L and segmental gear-wheel L to turn the valve I into a shutoff positionthat is, to move the ports I), b, and 12 out of register with the cylinder-ports a, a, and a
  • the ports b, Z) When the handle L is moved to the right into the position shown in Figs. 1, 3, and 7, then the ports b, Z), and b register with the ports d, a, and a and when the handle L is thrown over into a left-hand-side position then the valve I is turned so as to bring the ports b, b, and b in register with the ports a, a and a to reverse the engine.
  • the valve J is turned in asimilar manner on swinging the handle N from a vertical position to the right or to the left; but in this case the position of the handle N determines the relation of the pairs of ports 0, c, and c to the corresponding ports I), b, and lfi-that is, only one of the ports of each pair may be moved in register with the corresponding port in the valve I to reduce the admission of steam to the said ports and to the cylinderports to a nicetyand hence the operator is enabled to give more or less steam by manipulating the handle N correspondingly, according to the speed desired and to the load connected with the main shaft E.
  • valves I and K are approximately the same in general construction as the corresponding valves shown and described in the application for Letters Patent No. 102,195, filed by me April 10, 1902, and hence further description of the same is not deemed necessary, it being, however, understood that the cut-01f valve J is interposed between the valves I and K and has a pair of ports for each port in the valve I to regulate the admission and exhaust of the steam to a nicety.
  • a bearing 0 is preferably located inthe opening B of the casing to give the main shaft E as much support as possible to insure an easy running of the engine.
  • a valve-gear for multiple engines comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shutoff valve, adapted to be turned and controlling the motive agent to and from the cylinder-ports, and a cut-off valve, adapted to be turned independent of the said reversing and shut-oif valve, and interposed between the said admission and exhaust valve and the reversing and shut-off valve, as set forth.
  • a valve-gear for multiple engines comprising a revoluble admission'and exhaust valve, rotating with the engine-shaft, a reversing and shut-off valve, adapted to be turned and controlling the motive agent to and from the cylinder-ports, and a cut-off valve, adapted to be turned independent of the said reversing and shut-off valve, and interposed between the said admission and exhaust valve and the reversing and shut-01f valve, the said cut-01f valve having pairs of ports, each pair for register with a port in the said reversing and shut-0E valve, as set forth.
  • a valve-gear for multiple engines comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shut-0E valve, adapted to be turned and having elongated ports, each for register with a corresponding cylinder-port, to control the admission and exhaust of the motive agent to and from the cylinders, and a cut-off valve, adapted to be turned independent of the said reversing and shut-off valve, and interposed between the said admission and exhaust valve and the said reversing and shut-off valve, the said cut-off valve having pairs of ports, one pair for each of the elongated ports in the said reversing and shut-off valve, as set forth.
  • a valve-gear for multiple engines comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shut-off valve, adapted to be turned and having elongated ports, each for register with a corresponding cylinder-port, to control the admission and exhaust of the motive agent to and from the cylinders, and a cut-01f valve, adapted to be turned independent of the said reversing and shut-01f valve, and interposed between the said admission and exhaust valve and the said reversing and shut-0E valve, the said cut-0E valve having pairs of ports, one pair for each of the elongated ports in the said reversing and shut-01f valve, the said pairs of ports being also adapted to register alternately with the admission-port and the exhaust-cavity in the said admission and exhaust valve, as set forth.
  • a valve-gear for multiple engines comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shut-off valve, adapted to be turned and controlling the motive agent to and from the cylinder-ports, a cut-off valve, adapted to be turned independent of the said reversing and shut-0E valve, and interposed between the said admission and exhaust valve and the reversing and shut-0E valve, a handled shaft carrying a segmental gear-wheel in mesh with teeth on the said reversing and shut-0E valve, and a second handled shaft, carrying a segmental gear-wheel, in mesh with the said cut-off valve, to allow the operator to turn the said reversing and shut-off valve and the said cut-0E, valve independently one of the other, as set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Description

N 729,313 'PATENTED MAYi26, 1903.-
J. 1;. FENTON,
VALVE GEAR.
Arrmeulon rum) mm. 1 1, um.
2 SHEETS-SHEET 2- THE wnms Pan R5 00, moro umou WASHINGTON, n c.
UNITED STATES Patented May 26, 1903.
PATENT OFFICE.
VALVE-GEAR.
SPECIFICATION forming part of Letters Patent No. 729,313, dated May 26, 1903.
Application filed February 11, 1903. Serial No- 142,823- (No model.)
and arranged to enable the operator to quickly reverse the enginepto cut off the .admission of the motive agent to a nicety, to control the admission of the motive agent to and from the cylinders in proper succession and according to the speed desired and the load carried.
The invention consists of novel features and parts and combinations of the same, as Will be more fully described hereinafter and then pointed out in the claims.
A practical embodiment of the invention is represented in the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.
Figure l isa side elevation of the improvement as applied to a three cylinder engine. Fig. 2 is a sectional side elevation of.v the same on the line 2 2 of Fig. 3. Fig.3 is a crosssection of the same on the line 3 3 of Fig. 1. Fig. 4. is a rear face view of the admission and exhaust valve. Fig.5 is a sectional side elevation of the improvement on the line 5 5 of Fig. 3. Fig. 6 is a similar view of thesame on the line 6 6 of Fig. 3. Fig. 7is a like view of the same on the line 7 7 of Fig. 3. is a similar view of the improvement shown in Fig. 6, the parts being in a differentposi; tion; and Fig. 9 is a face view of a bearing for the main shaft.
The engine-cylinders A, A, and Aiaresymf" metrically disposed on a closed casing B, into which open the inner ends of the said cylinders, and in the latter are mounted to reciprocate istons O, O, and C connectedbypitmen D, D, and D with the crank-arm E5 of the main shaft E, journaled in suitable Fig. 8'
rection in which the engine is to run.
bearings on the casingB and in the outer end of a steam-chest F,bolted or otherwise secured to the face'B of the casing B.
The steam-chestF is provided with a steaminlet pipe G, connected with a boiler or other suitable source of motive-agent supply, and an exhaust-pipe H leads from the casing B, preferably at the bottom thereof, as plainly indicated in the drawings.
Cylinder-ports a, a, and a? extend from the outer ends of the cylinders and lead to the face 13 of the casing, and the inlet ends of the said ports at the face B are arranged in a circle to register with elongated ports I), b, and 19 formed in a circular reversing and shut-off valve I, concentric with the shaft E, as plainly illustrated in the drawings.
The valve I is mounted to turn on the hub J of a cut-off valve J, having pairs of ports 0, c, and 0 adapted, to register with the ports 12, b, and b in the reversing and shutoff valve I. The pairs of ports 0, c, and o are adapted to register with an admissionport (1, formed in an admission and exhaust valve K, mounted to turn loosely on the shaft E, and the rear face of this admission and exhaust valve K is provided with an exhaustcavity 6, opening to a central aperture J 2 in the valve J, which aperture registers with a central aperture. 1, formed in the valve 1, and thisaperture registers with an opening B leading to the inside of the casing B, as plainlyshown in Fig. 3.
On the outerface of the admission and exhaust valve Kare arranged spaced pins K and K (see Figs. 3 and 5,) adapted to be engaged by a pin K extending from a hub K secured to the main shaft E, so that when the latter rotates the pin K engages either of the pins K or K toturn the valve K in theTdihe valves I and J are under the control of the operator and are adapted to turn independentlyone of the other, and,f0r this. purpose the. peripheral face of'the valve I is'provided with gear-teeth 1 (see Fig. 7) inv mesh with a segmental gear-wheel "L, attached to the inner'end of a shaft L, provided at its outer erator. The other valve J is provided on its peripheral face with gear-teeth J in mesh with a segmental gear-wheel N, fastened on the inner end of a hollow shaft N, journaled in suitable hearings on the steam-chest F, and on the outer end of this shaft N is secured a handle N likewise within reach of the operator. As shown in Fig. 3, the shaft L has its bearings in the hollow shaft N.
Now by the arrangement described the operator in swinging the handle L to a vertical position causes its shaft L and segmental gear-wheel L to turn the valve I into a shutoff positionthat is, to move the ports I), b, and 12 out of register with the cylinder-ports a, a, and a When the handle L is moved to the right into the position shown in Figs. 1, 3, and 7, then the ports b, Z), and b register with the ports d, a, and a and when the handle L is thrown over into a left-hand-side position then the valve I is turned so as to bring the ports b, b, and b in register with the ports a, a and a to reverse the engine. The valve J is turned in asimilar manner on swinging the handle N from a vertical position to the right or to the left; but in this case the position of the handle N determines the relation of the pairs of ports 0, c, and c to the corresponding ports I), b, and lfi-that is, only one of the ports of each pair may be moved in register with the corresponding port in the valve I to reduce the admission of steam to the said ports and to the cylinderports to a nicetyand hence the operator is enabled to give more or less steam by manipulating the handle N correspondingly, according to the speed desired and to the load connected with the main shaft E. It is understood that when the Valve I is shifted to reverse then the admission and exhaust valve K remains stationary for a short timethat is, until the pin K has traveled from the pin K over onto the pin K to now carry the pin along and with it the valve in the reverse direction of the arrow f.
The valves I and K are approximately the same in general construction as the corresponding valves shown and described in the application for Letters Patent No. 102,195, filed by me April 10, 1902, and hence further description of the same is not deemed necessary, it being, however, understood that the cut-01f valve J is interposed between the valves I and K and has a pair of ports for each port in the valve I to regulate the admission and exhaust of the steam to a nicety.
A bearing 0 is preferably located inthe opening B of the casing to give the main shaft E as much support as possible to insure an easy running of the engine.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. A valve-gear for multiple engines, comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shutoff valve, adapted to be turned and controlling the motive agent to and from the cylinder-ports, and a cut-off valve, adapted to be turned independent of the said reversing and shut-oif valve, and interposed between the said admission and exhaust valve and the reversing and shut-off valve, as set forth.
2. A valve-gear for multiple engines, comprising a revoluble admission'and exhaust valve, rotating with the engine-shaft, a reversing and shut-off valve, adapted to be turned and controlling the motive agent to and from the cylinder-ports, and a cut-off valve, adapted to be turned independent of the said reversing and shut-off valve, and interposed between the said admission and exhaust valve and the reversing and shut-01f valve, the said cut-01f valve having pairs of ports, each pair for register with a port in the said reversing and shut-0E valve, as set forth.
A valve-gear for multiple engines, comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shut-0E valve, adapted to be turned and having elongated ports, each for register with a corresponding cylinder-port, to control the admission and exhaust of the motive agent to and from the cylinders, and a cut-off valve, adapted to be turned independent of the said reversing and shut-off valve, and interposed between the said admission and exhaust valve and the said reversing and shut-off valve, the said cut-off valve having pairs of ports, one pair for each of the elongated ports in the said reversing and shut-off valve, as set forth.
4. A valve-gear for multiple engines, comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shut-off valve, adapted to be turned and having elongated ports, each for register with a corresponding cylinder-port, to control the admission and exhaust of the motive agent to and from the cylinders, and a cut-01f valve, adapted to be turned independent of the said reversing and shut-01f valve, and interposed between the said admission and exhaust valve and the said reversing and shut-0E valve, the said cut-0E valve having pairs of ports, one pair for each of the elongated ports in the said reversing and shut-01f valve, the said pairs of ports being also adapted to register alternately with the admission-port and the exhaust-cavity in the said admission and exhaust valve, as set forth.
5. A valve-gear for multiple engines, comprising a revoluble admission and exhaust valve, rotating with the engine-shaft, a reversing and shut-off valve, adapted to be turned and controlling the motive agent to and from the cylinder-ports, a cut-off valve, adapted to be turned independent of the said reversing and shut-0E valve, and interposed between the said admission and exhaust valve and the reversing and shut-0E valve, a handled shaft carrying a segmental gear-wheel in mesh with teeth on the said reversing and shut-0E valve, and a second handled shaft, carrying a segmental gear-wheel, in mesh with the said cut-off valve, to allow the operator to turn the said reversing and shut-off valve and the said cut-0E, valve independently one of the other, as set forth.
In testimony whereof I have signed my name to this specification in the presence of 10 two subscribing witnesses.
JOSEPH T. FENTON.
Witnesses:
H. MEIER, R. FROST.
US1903142823 1903-02-11 1903-02-11 Valve-gear. Expired - Lifetime US729313A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435611A (en) * 1943-07-09 1948-02-10 Sejarto Lester Multiple cylinder fluid motor or compressor of the radial piston type
US3084654A (en) * 1962-01-23 1963-04-09 Edgar N Rosemberg Non-magnetic seacycle for scuba diving
US3124043A (en) * 1964-03-10 Fluid motor
US10632829B2 (en) * 2015-02-20 2020-04-28 Vianney Rabhi Distributer phase shifter for a hydraulic pump motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124043A (en) * 1964-03-10 Fluid motor
US2435611A (en) * 1943-07-09 1948-02-10 Sejarto Lester Multiple cylinder fluid motor or compressor of the radial piston type
US3084654A (en) * 1962-01-23 1963-04-09 Edgar N Rosemberg Non-magnetic seacycle for scuba diving
US10632829B2 (en) * 2015-02-20 2020-04-28 Vianney Rabhi Distributer phase shifter for a hydraulic pump motor

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