US1409057A - Mechanism for the interconversion of reciprocating and rotary motion - Google Patents

Mechanism for the interconversion of reciprocating and rotary motion Download PDF

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Publication number
US1409057A
US1409057A US239384A US23938418A US1409057A US 1409057 A US1409057 A US 1409057A US 239384 A US239384 A US 239384A US 23938418 A US23938418 A US 23938418A US 1409057 A US1409057 A US 1409057A
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United States
Prior art keywords
plate
drive
slipper
slippers
working
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Expired - Lifetime
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US239384A
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English (en)
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Michell Anthony George Maldon
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Classifications

    • 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
    • F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F01B3/0002—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F01B3/0005—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having two or more sets of cylinders or pistons
    • 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
    • F16H23/00—Wobble-plate gearings; Oblique-crank gearings
    • F16H23/10—Wobble-plate gearings; Oblique-crank gearings with rotary wobble-plates with plane surfaces
    • 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
    • Y10T74/18296—Cam and slide
    • Y10T74/18304—Axial cam
    • 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
    • Y10T74/18296—Cam and slide
    • Y10T74/18336—Wabbler type
    • 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
    • Y10T74/21—Elements
    • Y10T74/2173—Cranks and wrist pins
    • Y10T74/2183—Counterbalanced

Definitions

  • the object of this invention is means of obtaining harmonic reciprocating h motion from uniform rotary motion or vice versa, applicable to steam and other heat engines, compressors for air and gas, a nd pumps, as well as to other machines in whlch the interconversion of these two types of motion is required.
  • the invention consists essentially in the combination of a reciprocating element or elements with a rotating drive-plate, or swash-plate, and one or more slippers of special construction as hereinafter described orming connecting elements between the said reciprocating and rotary elements.
  • Figs. 1, 2 and 3 parts of the invention as applied to a doubleacting piston Fig. 1 beingea longitudinal section through a cyhnder and 1ts piston arallel to the axis of rotation of the drive-pl ate; H l j Specification of LettersPatent.
  • Fig 2 a detail showing portion of the drlve-plateand the slippers in another posit1on; and 7 3 a plan view of one of the slippers;
  • Figs. 4, 5, 6, 7 and 8 illustrate of application of the invention plete machine, driven air compressor, Figs. 4 and 6 being axial sections respectively on the lines IVIV and 'VT-VI,- of Fig. 7, Fig. 5 an enlarged detail, Fig. 7 a cross-section on the line VII-QVII ofFigs. 4 and 6 with parts removed; and
  • the drive-plate 1 is shown mounted obliquely on the rotating shaft 2 which revolves in the bearin s 3, 3, indicated by dotted lines.
  • Oneof the working cylinders 4, 4 of an engine or compressor, whose axis is parallel to that of theshaft 2, is shown in longitudinal section together double-ended piston 5, 5, the working chambers 6, 6, of the cylinders being between the outside ends of the double piston 5, 5, and the closed'ends (not shown) of the cylinders.
  • the drive-plate 1 has the form of an to a comone method viz: a self-contained steamhaving trulyplane and parallel working surfaces 7, 7,
  • the plate is rigidly mounted upon and revolves with the shaft 2.
  • the double-ended piston 5, 5, is'constructed in any usual manner suitable for the fluid with which it is to operate.
  • the two ends of the double piston are rigidly connected together by the central bar' 8 which may have a projection 9 moving in a slot 10 formed either in the central portion of the double cylinder 6, 6, as shown, or in the frame of the engine so as to prevent the piston from rotating while allowing it to reciprocate parallel to its axis.
  • two slipper blocks 11, 12 are arranged one on each side of the drive-plate 1, as shown, having plane working surfaces adapted to make lubricated contact with the corresponding plane surfaces 7, 7 of the drive-plate, and in order to enable the slippers 11-, 12 to follow the varying direction of inclination of the latter surfaces to the drive-plate rotates, they are furnished with universal joints'connecting them to the piston 5, 5.
  • Theuni- V versal joints may conveniently take. the form slippers.
  • the driveplate 1 a nd slippers 11, 12 are shown in such a posit on that the normal lines to their plane working surfaces have the maximum obliquity to the plane of the drawing.
  • Fig. 2 (drawn on the line Ill-J1 Fig. 1) a portion of the periphery of the drive-plate 1 and the slippers 11, 12 are shown-in the position corresponding to rotation through 90 from the position shown in Fig. 1, the normal lines to the working surfaces being then turned into the plane of the drawing.
  • the cups 15, 16 are constructed with fine threads and screwed into the pistons 5, 5, the adjustment being made permanent by means of set screws 17, 18 engaging with the peripheral notches 17 and 18 1n the cups 15. 16.
  • slippers 11, 12 are preferably-made as shown in Fig. 3 with their bosses 13, 14 slightly behind the centres of the plane working surfaces of the The slippers will then operate so as to allow wedge-shaped-films of lubricant to be formed between their working surfaces and those of the drive-plate in a manner which is now well understood.
  • these slippers 11, 12 are also preferably constructed with relatively weak or flexible portions on the leading or on both the leading and trailing sides of the plate portions which make contact with the drive plate.
  • the lat- I ter may be furnished with a projecting eccentric guide ring 19 shaped so as to fit approximately the inner edge 20 of the slipper 11, a similar guide ring being formed on the opposite side of the drive-plate 1 to form a similar guide for the slipper 12.
  • the pistons may be fitted with spherical projections fitting in concave seats in the slippers.
  • the slippers and pistons may be connected by universal joints of other suitable types as, for instance, with the well known Hookes or Cardans joints, the essential purpose being to allowthe slippers to change the inclination of their work ing faces in every direction while maintaining the perpendicular distance between those working faces constant, or approximately constant.
  • a single-acting steam cylinder 6 and single acting compressor cylinder 6 are arranged in axial alignment and opposed to one another, four such pairs of cylinders being set symmetrically around the circumference of the machine as shown in Flg. 7.
  • a double piston consistlng of a steam end 5 and an air end 5 connected by a central bar 8 is arranged substantially as already described'in connection with Figs. 1"and 2.
  • the steam and air ends of the double piston are shown in the drawings of equal diameters but may be of different diameters adapted to the working pressures of the two fluids.
  • Each double piston is provided with slipper blocks 11, 12 as already described, making working contact.
  • the drive-plate 1 is preferably constructed with a cylindrical boss 1*, integral with a plate-portion having the form of an oblique slice of a cylinder, and thrust rings 21*, 22 are interposed between the boss 1 and the bearings 21 and 22 to take any unbalanced axial force acting on the drive-plate.
  • compressed air is delivered through the same ports 27 and the port 30 of the rotating valve 26 into the annular chamber 31 in the (and cover 24 from which it is discharged through the pipe branch 31 (Fig. 6).
  • the pistons 5 are furnished with projections 29, approximately fitting the ports 27.
  • the cylinders 6 may be formed as liners, as shown, being inserted in the common casing 32', and may be surrounded by a waterjacket 33, for cooling purposes.
  • a similar casing 32 which may be bolted to the casing 32 as shown, on the line VII-VII, contains the steam cylinders 6, also formed as liners.
  • the steam ends of "these cylinders are controlled by a rotating through a ring of ports 40 into an annular exhaust steam chamber 41 formed in the casing 32 and connected with the exhaust branch42 (Figs. 6 and 7).
  • the drive-plate 1 is enclosed in a central chamber 43 formed by the open inner ends of the casings 32 and 32 and is provided with means for forced lubrication from the oil pump 44 (Fig. 7) which delivers jets of oil through the passages 45, 45 bearing chambers 46 and nozzles 47 against the central portions of the plate 1, from which the oil is thrown outwardly by centrifugal force over the working surfaces on which the slipper blocks 11 and 12 make contact, and t ence returns to the suction branch 45 on the pump 44 in the lower part of the chamber 43 (Figs. 6 and 7).
  • The'pump 44 may be driven through a spindle 48 and gear wheels 49, 50, from a piston 51 mounted on the main shaft 2.
  • Fig. 5 In order to prevent the slippers 11 from rotating about their axial centre-lines the means shown in Fig. 5 may be employed as alternatives to the projection 9 on bar 8, and rings 19 on drive-plate 1, as shown in Fig. 1.
  • the bar 8 As Sb 5 rotation of the pistons 5, 5 is restrained by the bar 8 which consists of the bridge portion of the yoke piece 52 to which are screwed the said pistons 5, 5 and the cups 15, and the bar 8 is slotted at 53 so as to be guided longitudinally by the stud piece 54 fixed to the casing 32*, and engaging with the slot 53.
  • the invention is not limited to the use of one or more double-ended pistons as described above, but that the construction which is the essence of the invention can be employed with a singleslipper, or with a single-ended piston having an extension to the opposite side of the drive-plate from the piston for the purpose of carrying a second slipper.
  • Fig. 8 illustrates in which the single-ended piston 56 reciprocates in the cylinder 57, and is fitted with a slipper ll co-acting with a drive-plate 1 as already described.
  • a yoke piece 58 attached to the cylinder 57 is slot- 32 as already described.
  • a compression spring 59 may be inserted between it and the closed end 60 of the cylinder positively attached to Hookes or Cardan joint dicated.
  • the yoke piece 58 may be extended, as shown in dotted lines in Fig. 8, and arranged to carry a second slipper 12 (also dotted in Fig. 8) on the opposite side of the drive-plate 11, the action of the two slippers be1ng then precisely as already d in connection with.
  • Mechanism for the purpose stated comprising a rotary swash plate, a reciprocable element, a connection between said element and the swash plate embodying a slipper having a working working face of the swash plate the slipper being non-rotatable about an axis parallel to the direction of movement of the reciprojoint connecting the slipper with the reciprocable. element, and means for maintaining the slipper in cooperative working relation with the work ing face of the swash plate.
  • Mechanism for the purpose stated comprising a rotary swash plate having opposite truly plane working faces disposed obliquely relatively to the axis ofrevolution of the swash plate, a reciprocable element, and a pair of plane surfaced slippers having articulated connections with said reciprocable element and means for preventing rotation of the slipper about an axis parallel to the direction of movement of the reciprocable element, said slippers bearing respectively on the opposite faces of the swash plate.
  • Mechanism for the purpose stated consisting of the combination with a swashplate, of reciprocable elements disposed symmetrically about said plate and effecting dynamic balance therewith, and a pair face to cooperate with a of plane surfaced articulated connecting slippers between each of saidelements and the swash plate, said slippers having means for preventing rotation thereof about an axis parallel to the direction of movement of said reciprocable elements.
  • a rotary swash plate having a plane working surface, a plane surfaced slipper cooperative therewith, a reciprocable element, a universal joint connecting the slipper to the reciprocable element, and means for holding said slipper from rotation relatively to the reciprocable element about an axis parallel to the direction of movement of said element.
  • a casing containing the swash plate with means including a pump driven from the shaft of the latter and jets directed toward the swash plate for effecting forced feed lubrication to the working faces of the same.
  • a swash plate in combination, a reciprocable element comprising a piston carrying a slipper element articularly connected thereto at a point off-set in rear of the leading end of the slipper element to produce an interposed wedge shaped lubricant film connection between said plate and the slipper element and means for projecting a lubricant against the working face of the swash plate.
  • a swash plate reciprocable elements symmetrically balanced about a swash plate having truly plane working faces, said elements comprising pistons each carrying an articulated slipper arranged to effect lubricated contact with said working surfaces, said pistons and slippers being restrained from rotation, and means driven from the shaft of said plate for effecting forced lubrication to said working faces.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
US239384A 1917-07-19 1918-06-11 Mechanism for the interconversion of reciprocating and rotary motion Expired - Lifetime US1409057A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU490768X 1917-07-19

Publications (1)

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US1409057A true US1409057A (en) 1922-03-07

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Country Status (5)

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US (1) US1409057A (de)
DE (1) DE423486C (de)
FR (1) FR490768A (de)
GB (1) GB118098A (de)
NL (1) NL5648C (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2500812A (en) * 1946-10-25 1950-03-14 Rheuel H Frederick Pump
US2548686A (en) * 1946-02-20 1951-04-10 Steel Products Eng Co Crankless mechanism
US3153386A (en) * 1961-08-25 1964-10-20 Tom H Thompson Wobble plate type pump
DE3627652A1 (de) * 1985-08-16 1987-03-05 Toyoda Automatic Loom Works Gleitschuh fuer einen taumelscheibenkompressor
FR2746454A1 (fr) * 1996-03-19 1997-09-26 Toyoda Automatic Loom Works Structure de lubrification pour compresseur
EP0874154A3 (de) * 1997-04-22 1999-03-24 Sanden Corporation Kompressor mit einer Schmiervorrichtung mit welcher ein Schmieröl zusammen mit einem Kühlgas in ein Kurbelgehäuse geblasen wird
CN109127426A (zh) * 2018-09-26 2019-01-04 重庆申基特机械制造有限公司 综合型自动筛选装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE892102C (de) * 1953-08-20 Ipsheim Heinrich Rubel (MFr.) Taumelgetriebe
DE3700005A1 (de) * 1987-01-02 1988-07-14 Elsbett L Kolbenmechanik und kinematik eines axialmotors
DE69300728T2 (de) * 1992-09-02 1996-04-18 Sanden Corp Kolbenverdichter mit veränderlicher Verdrängung.
DE102014209892A1 (de) * 2014-05-23 2015-11-26 Mahle International Gmbh Axialkolbenmaschine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548686A (en) * 1946-02-20 1951-04-10 Steel Products Eng Co Crankless mechanism
US2500812A (en) * 1946-10-25 1950-03-14 Rheuel H Frederick Pump
US3153386A (en) * 1961-08-25 1964-10-20 Tom H Thompson Wobble plate type pump
DE3627652A1 (de) * 1985-08-16 1987-03-05 Toyoda Automatic Loom Works Gleitschuh fuer einen taumelscheibenkompressor
FR2746454A1 (fr) * 1996-03-19 1997-09-26 Toyoda Automatic Loom Works Structure de lubrification pour compresseur
EP0874154A3 (de) * 1997-04-22 1999-03-24 Sanden Corporation Kompressor mit einer Schmiervorrichtung mit welcher ein Schmieröl zusammen mit einem Kühlgas in ein Kurbelgehäuse geblasen wird
CN109127426A (zh) * 2018-09-26 2019-01-04 重庆申基特机械制造有限公司 综合型自动筛选装置

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Publication number Publication date
DE423486C (de) 1926-01-05
FR490768A (fr) 1919-05-08
GB118098A (de)
NL5648C (de)

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