US547899A - Conrad sondermann - Google Patents
Conrad sondermann Download PDFInfo
- Publication number
- US547899A US547899A US547899DA US547899A US 547899 A US547899 A US 547899A US 547899D A US547899D A US 547899DA US 547899 A US547899 A US 547899A
- Authority
- US
- United States
- Prior art keywords
- rod
- piston
- coupling
- pair
- sondermann
- 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
Links
- 230000001808 coupling Effects 0.000 description 18
- 238000010168 coupling process Methods 0.000 description 18
- 238000005859 coupling reaction Methods 0.000 description 18
- 210000000707 Wrist Anatomy 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 4
- 230000003137 locomotive Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
- F16H21/18—Crank gearings; Eccentric gearings
- F16H21/22—Crank gearings; Eccentric gearings with one connecting-rod and one guided slide to each crank or eccentric
- F16H21/32—Crank gearings; Eccentric gearings with one connecting-rod and one guided slide to each crank or eccentric with additional members comprising only pivoted links or arms
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- 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
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18176—Crank, pitman, lever, and slide
Definitions
- My invention relates to improvements in compound engines.
- the object of the present invention is'to remove the disadvantages in the Well-known arrangement of superposed high and loW pressure cylinders, such as have been hitherto almost exclusively employed in compound locomotives and other power-machines operated by steam, compressed air, dac., and especially twin and triple pumps and rollingmills, which said disadvantages result from the transmission ofthe usually diierent pressures of the piston-rods to one cross-head, and thence by means of only.
- These defects or disadvantages consist in bending moments on the cross-head and piston-rods, which frequently result in a fracture of these parts.
- Figure l is a diagrammatic view of a device embodying my invention.
- Figs. 2, 3, and 4 are similar views of other modifications of the same.
- each of the cylinders C and C2 is provided with a drivingrod or pitman T and T2, respectively, which are connected at one end to the axis of the corresponding piston-rod, but are not connected with the crank-pins at the rotating ends, but with pins or studs of the arms A A2 of a coupling-rod K.
- the pressures on the pistons are hence transmitted to two crank-pins simultaneously and in an advantageous manner.
- the pit-men T T2 and the coupling-rod K are arranged in one plane Further coupling-rods may be arranged to branch off from the crank-pins or the coupling-rod to one or both sides.
- arms or projections A A2 may be arranged to lie away from the-middle of the coupling-rod or they may be transferred to one end of the same. It is, moreover, permissible to make these projections unequal in length, Fig. l. Finally, one of the arms or projections may form the continuation of the coupling-rod, Fig. 3, or both driving-rods or pitmen may be attached on the same side of the couplingrod, as shown in Fig. 4. Where the cylinders are inclined to the horizontal, Fig. l, this same inclination must be taken into account with respect to the projections A A2, these projections being suitably shifted with respect to each other.
- a separate cross-head is shown for each piston-rod and pitman. It is to be understood, however, that a common cross-head may serve for both piston-rods, the guide for said cross-head being arranged either outside of the piston-rods, as shown in Fig. 2, or between the same, as illustrated in Fig. 1.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
(No Model.)
' SONDERMANN.
LUGOMOTIVE.
l5@ 06M far,
MI DREW 5,6RINAMJHUTOUTHQWASNINFIDN. C.
j driving-rod to only one of the crank-pins.
. of forces.
UNTTEE STATES PATENT EETCE.
CONRAD SONDERMANN, OF STUTTGART, GERMANY.v
Locoiviorive.
SPECIFICATION forming part of Letters Patent No. 547,899, dated October 15, 1895.
Application filed LT1111@ 17, 1 8 95 To all whom t may concern/.-
Be it known that I, CONRAD SONDERMANN, civil engineer, a citizen of the German Empire, residing at Stuttgart, Germany, have ninvented new and useful Improvements in Locomotives, Steam-Engines, and the Like, of which the following is a specification.
My invention relates to improvements in compound engines.
The object of the present invention is'to remove the disadvantages in the Well-known arrangement of superposed high and loW pressure cylinders, such as have been hitherto almost exclusively employed in compound locomotives and other power-machines operated by steam, compressed air, dac., and especially twin and triple pumps and rollingmills, which said disadvantages result from the transmission ofthe usually diierent pressures of the piston-rods to one cross-head, and thence by means of only. one common These defects or disadvantages consist in bending moments on the cross-head and piston-rods, which frequently result in a fracture of these parts.
These disadvantages are removed by my invention, which consists in the features, details of construction, and combinations of parts, which will first be described in connection with the accompanying drawings,and then particularly pointed out in the claims.
In the drawings, Figure l is a diagrammatic view of a device embodying my invention. Figs. 2, 3, and 4 are similar views of other modifications of the same.
To remove the objections mentioned above, each of the cylinders C and C2 is provided with a drivingrod or pitman T and T2, respectively, which are connected at one end to the axis of the corresponding piston-rod, but are not connected with the crank-pins at the rotating ends, but with pins or studs of the arms A A2 of a coupling-rod K. The pressures on the pistons are hence transmitted to two crank-pins simultaneously and in an advantageous manner. The pit-men T T2 and the coupling-rod K are arranged in one plane Further coupling-rods may be arranged to branch off from the crank-pins or the coupling-rod to one or both sides. The
Serial No- 553,121. (No model.)
arms or projections A A2 may be arranged to lie away from the-middle of the coupling-rod or they may be transferred to one end of the same. It is, moreover, permissible to make these projections unequal in length, Fig. l. Finally, one of the arms or projections may form the continuation of the coupling-rod, Fig. 3, or both driving-rods or pitmen may be attached on the same side of the couplingrod, as shown in Fig. 4. Where the cylinders are inclined to the horizontal, Fig. l, this same inclination must be taken into account with respect to the projections A A2, these projections being suitably shifted with respect to each other.
In the diagrammatic drawings a separate cross-head is shown for each piston-rod and pitman. It is to be understood, however, that a common cross-head may serve for both piston-rods, the guide for said cross-head being arranged either outside of the piston-rods, as shown in Fig. 2, or between the same, as illustrated in Fig. 1.
I claiml. The combination, With a pair of cylinders, a piston and a piston rod for each cylinder, and a pair of cranks, of a coupling rod connected to both cranks, a pair of Wrist pins carried by the coupling rod, and a connecting rod foreach piston rod, each connecting rod being connected to its respective wrist pin on the coupling rod, substantially as set forth.
2. The combination, with a pair of cylinders, a piston and a piston rod for each cylinder, and a pair of cranks, of a coupling rod connected to both cranks, a pair of wrist pins arranged one on each side of the coupling rod, and a connecting rod for each piston rod, each connecting rod being connected to its respective wrist pin, substantially as set forth.
3. The combination, with a pair of cylinders, a piston and a piston rod for each cylinder, and a pair of cranks, of a coupling rod connected to both cranks, a pair of wrist pins arranged at unequal distances from the coupling rod, and a connecting rod for each piston rod, each connecting rod being connected to its respective Wrist pin, substantially as set forth.
4. The combination, with a pair of cylinders, a piston and a piston rod for each cylin- IOO del', and a pair of cranks, of a coupling rod connected to both cranks, a. pair of Wrist pins arranged ab unequal distances from, and on opposite sides of, the coupling rod, and econ nectng rod for each piston rod, each connecting rod being connected to its respective Wrist pin, substantially as set forth.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
CONRAD SONDERMANN.
Witnesses:
AUGUST B. SHUTZ, WM. HAHN.
Publications (1)
Publication Number | Publication Date |
---|---|
US547899A true US547899A (en) | 1895-10-15 |
Family
ID=2616642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US547899D Expired - Lifetime US547899A (en) | Conrad sondermann |
Country Status (1)
Country | Link |
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US (1) | US547899A (en) |
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0
- US US547899D patent/US547899A/en not_active Expired - Lifetime
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