US410308A - John bowns - Google Patents

John bowns Download PDF

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US410308A
US410308A US410308DA US410308A US 410308 A US410308 A US 410308A US 410308D A US410308D A US 410308DA US 410308 A US410308 A US 410308A
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disk
shaft
bosses
cylinder
cones
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01CROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C9/00Oscillating-piston machines or engines
    • F01C9/005Oscillating-piston machines or engines the piston oscillating in the space, e.g. around a fixed point

Definitions

  • My invention relates to that class of pumps
  • the object of my improvements is to obviate these drawbacks and to makcasteadier without vibration.
  • Figure 1 shows a vertical cross-section through my improved machine
  • Fig.2 a vertical longitudinal section
  • Fig. 3 a horizontal section through the casing, with the disk and conical cover in outside view.
  • Figs. 4, 5, and 6 show details on an enlarged scale.
  • My improvements consist in placing a straight shaft h (shown on an enlarged scale by Fig. 6,) coaxially with the two cones, which shaft is supported in bushes by bearings formed on or attached to the conical ends of the cylinder and has formed on or fixed upon it a flat disk or collar 5, inclined to the axis of the shaft h at the same angle as that formed by the sides of the cones with their axis.
  • a straight shaft h shown on an enlarged scale by Fig. 6,
  • My improvements consist in placing a straight shaft h (shown on an enlarged scale by Fig. 6,) coaxially with the two cones, which shaft is supported in bushes by bearings formed on or attached to the conical ends of the cylinder and has formed on or fixed upon it a flat disk or collar 5, inclined to the axis of the shaft h at the same angle as that formed by the sides of the cones with their axis.
  • bosses 70 Z I place two hemispherical bosses m and n. (Shown on an enlarged scale by Fig. 4-in section and by Fig. 5 in a view of the joint.) These bosses are recessed, so as to inclose and fit the disk Zwhen bolted together by the bolts 0 0, and bored to fit the bosses 70 Z, with the ends of the hole bored conically to clear the shaft h.
  • the edges of the two hemispheres a groove is turned, in which the large disk or piston p of the machine is clipped and se: cured by the bolts 0 0.
  • the central parts of the conical ends or bushes inserted into them are turned spherically on the inside to fit the bosses m n.
  • the piston 19 is slotted, as usual,along one radius from the spherical boss to the circumference and a partitionplate q inserted into the slot, which divides the inlet and outlet ports rand s from one another, and can convenientlybe secured in its place by being fitted into recesses of the conical cylinder ends.
  • the machine may also be used as a motor.
  • the fluid under pressure being admitted through the port at one side of the partitionplate and exhausted through the port on the other side, will cause the piston to roll on the cones and drive the shaft, the disk or roller 1' being in that case made larger in proportion to the piston 19 than shown on the draw-' ings.
  • the bearings or bushes for the shaft may. both be cast solid with the cylinder ends, as shown on the left-hand side of Fig. 1, or they may be separate and attached by bolts, as shown on the right-hand side.
  • An adjust.- able cylindrical bush n turned spherically at the end to fit the boss of the piston, is by preference inserted into one cylinder end, as shown, and pressed by springs 1; against the spherical boss to take up the wear and prevent shaking. Balls may be inserted between the disk 7: and the bosses m and n, so as to form ball-bearings for the purpose of reduc-- ing the friction. This arrangement is shown on the drawings.
  • Hard-1netal rings w and a :
  • the cylinder and piston may be made of cast-iron, gun-metal, vulcanite, or other material suitable for the purpose for which the machine is intended.
  • Elastic packings may be arranged on the circumference of the disk or piston 13 and on the edges of the slot bearing upon the partition-plate q.
  • the collar i rigidly attached to the shaft h, rotating in bearings coaxial with the conical cylinder ends 0 and d and inclined to said shaft at the angle the side of the cones form with their axis, in combination with the disk 1'), attached to hemispherical bosses m n, with cylindrical recesses turned into them coaxially with the disk 19, in which recesses the collard works, the spherical cylinder, a, and partition-plate q.

Description

(No ModeL) J. BOWNS.
DISK PUMP.
Patented Sept. 3, 1889.
III!
N. PETERS Phnwmho ra nur. wuhm mn, 0.,0.
UNITED STATES PATENT OFFICE.
JOHN BOVVNS, OF SHEFFIELD, COUNTY OF YORK, ENGLAND.
DISK PUMP.
SPECIFICATION forming part of Letters Patent No. 410,308, dated September 3, 1889.
Application filed March 29, 1888. Serial No. 268,907- (No model. February 18, 1888, No. 6,000; in France February 24, 1888,
) Patented in England Apri121,1887,No.5,794; in Belgium No. 188,943, and in Germany May 12, 1888, No. 44,217.
machine capable of running at a high speed To aZZ whom it may concern:
Be it known that I, JOHN BOWNS, a subject of the Queen of Great Britain, residing at Talbot Street, Sheffield, in the county of York, in the Kingdom of Great Britain and Ireland, have invented certain new and useful Improvements in Disk Pumps, Blowers, Motors, and Such Like Machines, (for which Letters Patent dated the 21st April, 1887,and numbered 5,794, have been granted to me in Great Britain, and in Germany, No. 44,217, dated May 12, 1888; in France, No. 188,943, dated February 24, 1888, and in Belgium, No. 6,000, dated February 18, 1888,) of which the following is a specification.
My invention relates to that class of pumps,
blowers, motors, and such like machines in.
which a flat disk works in a spherical casing between two cones having the same axis and a distance equal to the thickness of the diskbetween their apiees, on which cones the disk has a rolling motion. Ordinarilyashaft perpendicular to the disk .is passed through the spherical boss of the disk, or a similar shaft is formed on the said boss and connected to a crank on a shaft, the axis of which coincides with that of the cones, so that when this shaft rotates the shaft fitted to or formed on the disk has a gyrating motion and describes a cone having its apex in the center of the disk. This arrangement has the drawback that the two shafts are not rigidly connected to one another and each shaft has only one bearing. In some cases the two shafts with the crank connecting them have been formed in one piece, and the shaft perpendieular to the disk has also been prolonged on the opposite side and formed with a second crank and shaft .end coaxial with the two cones, the two cranks being opposite to one another. These arrangements have the disadvantage that the bearings of the coaxial shaft ends are at a great distance from the center of the disk, and that the shaft between the two cranks which carries the disk is liable to be bent and subject to vibrations, causing a noisy and irregular working of the machine.
The object of my improvements is to obviate these drawbacks and to makcasteadier without vibration.
On the sheet of drawings appended hereunto, Figure 1 shows a vertical cross-section through my improved machine; Fig.2, a vertical longitudinal section; Fig. 3, a horizontal section through the casing, with the disk and conical cover in outside view. Figs. 4, 5, and 6 show details on an enlarged scale.
The machine consists, similarly tothose hereinbefore referred to, of a spherical casing or cylinder a, provided with suitable feet Z) Z) for fixing it to a foundation and havingconical ends 0 and (Z. The cylinder a is shown made in two parts divided vertically and bolted together through the flanges cf, and
the cone 0 cast in one piece with one-half of the cylinder, while the other cone d is separate and bolted to the cylinder 0. by means of the flange g. Both cones, however, may be cast solid each with one-half of the cylinder, or both cones may be separate and bolted to the cylinder a. The latter may be made in two parts divided horizontally and bolted together instead, as shown, both ends being made separate in this case.
My improvements consist in placing a straight shaft h (shown on an enlarged scale by Fig. 6,) coaxially with the two cones, which shaft is supported in bushes by bearings formed on or attached to the conical ends of the cylinder and has formed on or fixed upon it a flat disk or collar 5, inclined to the axis of the shaft h at the same angle as that formed by the sides of the cones with their axis. By preference I forge the disk isolid with the shaft, as shown on the drawings, and turn it with the requisite inclination to the shaft by chucking the latter eccentrically in a lathe, the bosses Z at the sides of the disk being turned at the same setting. On the disk'iand bosses 70 Z, I place two hemispherical bosses m and n. (Shown on an enlarged scale by Fig. 4-in section and by Fig. 5 in a view of the joint.) These bosses are recessed, so as to inclose and fit the disk Zwhen bolted together by the bolts 0 0, and bored to fit the bosses 70 Z, with the ends of the hole bored conically to clear the shaft h.
011 the edges of the two hemispheres a groove is turned, in which the large disk or piston p of the machine is clipped and se: cured by the bolts 0 0. In some cases Iform the piston 10 solid with one of the hemispherical bosses instead, as described. The central parts of the conical ends or bushes inserted into them are turned spherically on the inside to fit the bosses m n. The piston 19 is slotted, as usual,along one radius from the spherical boss to the circumference and a partitionplate q inserted into the slot, which divides the inlet and outlet ports rand s from one another, and can convenientlybe secured in its place by being fitted into recesses of the conical cylinder ends. This partition-plate (1 holds the disk and prevents it from rotating, and when the shaft h is rotated by the pulley tthe piston 19 rolls on the cones and draws the air or liquid in on one side of the partitionfplate q and eXpels it on the other side in the usual manner.
The machine may also be used as a motor. The fluid under pressure, being admitted through the port at one side of the partitionplate and exhausted through the port on the other side, will cause the piston to roll on the cones and drive the shaft, the disk or roller 1' being in that case made larger in proportion to the piston 19 than shown on the draw-' ings. The bearings or bushes for the shaft may. both be cast solid with the cylinder ends, as shown on the left-hand side of Fig. 1, or they may be separate and attached by bolts, as shown on the right-hand side. An adjust.- able cylindrical bush n, turned spherically at the end to fit the boss of the piston, is by preference inserted into one cylinder end, as shown, and pressed by springs 1; against the spherical boss to take up the wear and prevent shaking. Balls may be inserted between the disk 7: and the bosses m and n, so as to form ball-bearings for the purpose of reduc-- ing the friction. This arrangement is shown on the drawings. Hard-1netal rings w and a:
are inserted into grooves turned in the bosses in and n and have grooves turned into them, the disk 1' having corresponding grooves turned into it, so that the balls are half-way,
or nearly so, in each of them. In some cases I place balls in grooves turned on the outer circumference of the disk half-way into the disk i' and halfway into the bosses m and n at their joint.
The cylinder and piston may be made of cast-iron, gun-metal, vulcanite, or other material suitable for the purpose for which the machine is intended. In some cases I cover the piston or disk I) with leather, india-rubber, or other elastic material not injured by the fluid in the machine, for the purpose of insuring a perfect fit of the piston 19 against the conical cylinder ends and preventing leakages and vibrations.
Elastic packings may be arranged on the circumference of the disk or piston 13 and on the edges of the slot bearing upon the partition-plate q.
Having now particularly described and ascertained the nature of my invention and in what manner the same is to be performed, I declare that what I claim is:
1. In disk blowers,pumps,motors, and such like machines, the collar i, rigidly attached to the shaft h, rotating in bearings coaxial with the conical cylinder ends 0 and d and inclined to said shaft at the angle the side of the cones form with their axis, in combination with the disk 1'), attached to hemispherical bosses m n, with cylindrical recesses turned into them coaxially with the disk 19, in which recesses the collard works, the spherical cylinder, a, and partition-plate q.
2. In disk blowers, pumps, motors, and such like machines operated by means of a straight shaft with an inclined collar rigidly attached thereto and rotating in recesses of the bosses of' the disk, ball-bearings for reducing the friction between said collar and bosses.
In testimony that I claim the foregoing as my invention I have signed my name, in presence of-two witnesses, this 23d day of J anuary, 1888.
JOHN BO\VNS.
WVitnessesi W JOSEPH HAL-LAM, WILLIA TASKER.
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972657A (en) * 1975-11-12 1976-08-03 Caterpillar Tractor Co. Slant axis rotary mechanism
US3982860A (en) * 1975-12-08 1976-09-28 Caterpillar Tractor Co. Thrust bearings for slant axis rotary mechanisms
US3982861A (en) * 1975-12-12 1976-09-28 Caterpillar Tractor Co. Rotor construction for slant axis rotary mechanisms
US3999900A (en) * 1974-09-09 1976-12-28 Balcke-Durr Ag Pump with disk-shaped piston for liquid or gaseous fluids
US4005950A (en) * 1975-11-05 1977-02-01 Caterpillar Tractor Co. Bearings for slant axis rotary mechanisms
US4011031A (en) * 1976-04-09 1977-03-08 Caterpillar Tractor Co. Rotor constructions for slant axis rotary mechanisms
WO2002033238A1 (en) * 2000-10-17 2002-04-25 Mcmaster Motor Company Fluid power transfer device
US20110219870A1 (en) * 2010-03-12 2011-09-15 Neptune Technology Group, Inc. Unitary Drive System for Water Meter

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999900A (en) * 1974-09-09 1976-12-28 Balcke-Durr Ag Pump with disk-shaped piston for liquid or gaseous fluids
US4005950A (en) * 1975-11-05 1977-02-01 Caterpillar Tractor Co. Bearings for slant axis rotary mechanisms
US3972657A (en) * 1975-11-12 1976-08-03 Caterpillar Tractor Co. Slant axis rotary mechanism
US3982860A (en) * 1975-12-08 1976-09-28 Caterpillar Tractor Co. Thrust bearings for slant axis rotary mechanisms
US3982861A (en) * 1975-12-12 1976-09-28 Caterpillar Tractor Co. Rotor construction for slant axis rotary mechanisms
US4011031A (en) * 1976-04-09 1977-03-08 Caterpillar Tractor Co. Rotor constructions for slant axis rotary mechanisms
WO2002033238A1 (en) * 2000-10-17 2002-04-25 Mcmaster Motor Company Fluid power transfer device
US6390052B1 (en) * 2000-10-17 2002-05-21 Mcmaster Motor Company Wobble engine
US20110219870A1 (en) * 2010-03-12 2011-09-15 Neptune Technology Group, Inc. Unitary Drive System for Water Meter
US8381586B2 (en) 2010-03-12 2013-02-26 Neptune Technology Group, Inc. Unitary drive system for water meter

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