US1149655A - Internal-combustion engine. - Google Patents

Internal-combustion engine. Download PDF

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Publication number
US1149655A
US1149655A US84702714A US1914847027A US1149655A US 1149655 A US1149655 A US 1149655A US 84702714 A US84702714 A US 84702714A US 1914847027 A US1914847027 A US 1914847027A US 1149655 A US1149655 A US 1149655A
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Prior art keywords
combustion engine
cam disk
internal
pump
fuel
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Expired - Lifetime
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US84702714A
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Laurentius Laurin
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/16—Trip gear
    • 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
    • Y10T74/11—Tripping mechanism
    • Y10T74/111—Speed controlled

Definitions

  • This invention relates to internal combustion engines the speed of which is regulated by varying the charges of liquid fuel introduced into the combustion space or spaces of the engine, such variation being effected by an adjustable cam disk operating the fuel pump or pumps and being automatically adjusted by a centrifugal governor.
  • the said cam disk is arranged to effect both the suction strokes of the fuel pump as well as the delivery strokes thereof.
  • the object of the present invention is to obviate the said inconvenience, and the invention consists, chiefly, in the combination in an internal combustion engine of the kind set forth with the fuel pump thereof of means controlled by the centrifugal governor of the engine and serving to effect the suction strokes only of the fuel pump, and means serving to efiect independently of said governor the discharge strokes of said pump, all as will be more particularly described herebelow with reference to the drawing forming part of this specification.
  • 1 is the piston rod, or the plunger of a usual fuel pump.
  • 2 is a T-shaped member which is pivoted at 10 and one arm of which engages by means of a spherical portion 11 a corresponding eye 12 of the piston rod 1 while each of the two other arms of the member 2 is equipped with a roller 3 and 4: respectively.
  • Said-rollers are alternately actuated by cam disks 5 and 6 respectively mounted on a rotary shaft 7, whereby an oscillating movement will be Copies of this patent may be obtained for five cents each, by addressing the imparted to the said member 2, said movement causing the reciprocating movement of the pump piston 1.
  • the cam disk 5 which effects the outward movement of the piston rod 1 a. e.
  • the suction stroke of the fuel pump is of well known conical shape and is movable longitudinally on the shaft 7 but is by key and key-way 13 or other corresponding means compelled to partake in the rotary motion of the shaft 7.
  • the adjustment of said cam disk 5 in the axial direction is in a manner known per se effected automatically by means of a lever and link system 141-, 15 and 16 operated by a centrifugal governor 8.
  • the other cam disk 6 which effects the inward movement of the piston rod 1, i. e.
  • Fig. 2 differs from that shown in Fig. 1 only in that for the T-shaped member 2 is substituted a two-armed lever 2 which by means of a roller 9 engages the two conical cam disks 5 and 6 corresponding to the cam disks 5 and 6 of Fig. 1.
  • LAUnnNTIUs LAURIN LAUnnNTIUs LAURIN.

Description

L. LAURIN.
INTERNAL COMBUSTION ENGINE.
APPLICATION FILED JUNE 24. 1914.
(OLUMBIA PLANounAPt! cm. NNNNNNNNNNNNN c.
Patented Aug. 10, 1915.
LAURENTIUS LAUBIN, OF LYSEKIL, SWEDEN.
INTERNAL-COMBUSTION ENGINE.
Specification of Letters Patent.
Patented Aug. 10, 1915.
Application filed June 24., 1914. Serial No. 847,027.
To all whom it may concern:
Be it known that I, LAURENTIUS LAURIN,
a citizen of the Kingdom of Sweden, residing at Lysekil, Sweden, have invented new and useful Improvements in Internal-Combustion Engines, of which the following is a specification. This invention relates to internal combustion engines the speed of which is regulated by varying the charges of liquid fuel introduced into the combustion space or spaces of the engine, such variation being effected by an adjustable cam disk operating the fuel pump or pumps and being automatically adjusted by a centrifugal governor. In such engines as heretofore constructed the said cam disk is arranged to effect both the suction strokes of the fuel pump as well as the delivery strokes thereof. However, it happens often that the fuel nozzle admitting the fuel into the combustionspace of the engine is clogged up by solid particles contained in the fuel and thereby offers an increased resistance against the discharge of the pump. Such resistance is transmitted to the centrifugal governor causing irregular movements thereof.
The object of the present invention is to obviate the said inconvenience, and the invention consists, chiefly, in the combination in an internal combustion engine of the kind set forth with the fuel pump thereof of means controlled by the centrifugal governor of the engine and serving to effect the suction strokes only of the fuel pump, and means serving to efiect independently of said governor the discharge strokes of said pump, all as will be more particularly described herebelow with reference to the drawing forming part of this specification.
In the drawing I have shown diagrammatically two embodiments of my invention.
Referring first to Figure 1, 1 is the piston rod, or the plunger of a usual fuel pump. 2 is a T-shaped member which is pivoted at 10 and one arm of which engages by means of a spherical portion 11 a corresponding eye 12 of the piston rod 1 while each of the two other arms of the member 2 is equipped with a roller 3 and 4: respectively. Said-rollers are alternately actuated by cam disks 5 and 6 respectively mounted on a rotary shaft 7, whereby an oscillating movement will be Copies of this patent may be obtained for five cents each, by addressing the imparted to the said member 2, said movement causing the reciprocating movement of the pump piston 1. The cam disk 5 which effects the outward movement of the piston rod 1 a. e. the suction stroke of the fuel pump is of well known conical shape and is movable longitudinally on the shaft 7 but is by key and key-way 13 or other corresponding means compelled to partake in the rotary motion of the shaft 7. The adjustment of said cam disk 5 in the axial direction is in a manner known per se effected automatically by means of a lever and link system 141-, 15 and 16 operated by a centrifugal governor 8. The other cam disk 6 which effects the inward movement of the piston rod 1, i. e. the delivery or discharge stroke of the fuel pump is rigidly secured to the shaft 7 As will be easily understood from the foregoing description, any increased resistance against the discharge stroke of the fuel pump will leave the centrifugal governor 8 unaffected being taken up by the cam disk 6 and the shaft 7 but not by the cam disk 5.
The embodiment illustrated in Fig. 2 differs from that shown in Fig. 1 only in that for the T-shaped member 2 is substituted a two-armed lever 2 which by means of a roller 9 engages the two conical cam disks 5 and 6 corresponding to the cam disks 5 and 6 of Fig. 1.
Having now particularly described my invention what I claim as new and desire to secure by Letters Patent is:
In an internal combustion engine having a governorand a fuel pump, the combination of the said governor, the said fuel ump, a cam disk adjustab-ly mounted and controlled by the said governor, means actuated by said cam disk for effecting the suction strokes of the pump, a second cam disk apart from and independent of the firstnamed cam disk, and means actuated by said second-named cam disk for effecting the discharge strokes of the pump In testimony that I claim the foregoing as my invention, I have signed my name in presence of two subscribing witnesses.
LAUnnNTIUs LAURIN.
Witnesses:
V. W. AUSTIN, T. MAGNUSEN.
Commissioner o! Patents,
- Washington, D. G.
US84702714A 1914-06-24 1914-06-24 Internal-combustion engine. Expired - Lifetime US1149655A (en)

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US84702714A US1149655A (en) 1914-06-24 1914-06-24 Internal-combustion engine.

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US84702714A US1149655A (en) 1914-06-24 1914-06-24 Internal-combustion engine.

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