US94254A - Improved lubricator for ventilators - Google Patents

Improved lubricator for ventilators Download PDF

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US94254A
US94254A US94254DA US94254A US 94254 A US94254 A US 94254A US 94254D A US94254D A US 94254DA US 94254 A US94254 A US 94254A
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cup
ventilators
oil
tube
lubricator
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00Sliding-contact bearings for exclusively rotary movement
    • F16C17/04Sliding-contact bearings for exclusively rotary movement for axial load only

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  • This invention is more especially designed for chimney-cap ventilators, but is also applicable to other kinds of upright revolving ventilators.
  • the invention consists in a novel arrangcmentfin combination with the journals and bearings of such ventilators, of oil-cups, and connecting-tubes, whereby the same maybe cifectually and convcnicntly lubricatod without requiring the removaTof the ventilator from its placc.
  • A is the frame, and B the rotating fan of an ordinary chimney-cap ventilator, the fan being carried in the usual manner upon a vertical shaft, (1, which is supported between bearings 11 (Fat the bottom and top of the frame.
  • Said shaft is or may be of similar construction to that generally cmploycd for that purpose, except that it must be made hollow, thereby forn'iing a tube for the purpose of conducting the oil to a cup, b, arranged at the bottom of the frame A, and in the bottom of which is arranged the lower bearing (1.
  • the hollow shaft or tube a at apoint hetwecn the said larger and smaller cups 0 and c is made an opening, c, and near the lower bcarin'g is also made a similar opening, 0', both communicating with the central cavity thereof, so that the oil caught in the larger cup, 0, from the overflowing of the smaller one, is conducted through the said tube orhollow shaft to the lower cup I); 7
  • h is a fixed cap or cover for the cups 0 c, rigidly attached to the upper bearing, and designed for the exclusion of dust and other foreign matter.
  • f is a tube, having its lower end passed through and secured within the cap or cover of the cups 0 c, and its uppcr cud outwardly and upwardly extended in a manner as'rcprcscnted in the drawings.
  • a spring-capped oil-cup, g which communicates through an opening in its bottom with the hollow in the tube f, so thatoil, when supplied to said cup, will be conducted into the smaller cup 0, through said tube.
  • the oil thus supplied finds its way through the tube f into the smaller cup 0, and lubrioates the upper bearing.
  • the bearings oft-his and other kinds of upright revolving ventilators may be conveniently lubricatcd, and a sufiioient quantity of oil thereto supplied and rctaincd for lubricatirig-purposes, to last a long time, and without necessitating the taking down of the ventilator.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Description

H. THOMAS Lubricator Ventilator No. 942% Patented Aug. 31, 1869 I I L. 0 I f l l I I I w L I la L: d
frzrrenfar:
ife't zzeaaew niteil how Letters Pulcnt No. 94,254, dated August 31, 1869; untedutcll August 18, 1869.
IMPROVED L'UBRICA'I'OR FOR VENTILATORS.
The Schedule referred. to in these Letters Patent and making part of the same To all whom it may concern Be it known that 1, HUGE Tnoinas, of the city, county, and State of New York, have invented a new and improved Lubricator for Ventilators; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming apartof this specification, and in which is rcpri'asented a vertical section of a ventilator provided with a lubricator constructed according to my invention.
This invention is more especially designed for chimney-cap ventilators, but is also applicable to other kinds of upright revolving ventilators.
its object is to provide for the more convenient lubricating of such'vontilators, by obviating the necessity of the removal or taking down of the same for said purpose.
The invention consists in a novel arrangcmentfin combination with the journals and bearings of such ventilators, of oil-cups, and connecting-tubes, whereby the same maybe cifectually and convcnicntly lubricatod without requiring the removaTof the ventilator from its placc.
In order that others may understand the construction and operation of my invention, I will proceed to dcscribo it with reference to the drawings.
A is the frame, and B the rotating fan of an ordinary chimney-cap ventilator, the fan being carried in the usual manner upon a vertical shaft, (1, which is supported between bearings 11 (Fat the bottom and top of the frame.
Said shaft is or may be of similar construction to that generally cmploycd for that purpose, except that it must be made hollow, thereby forn'iing a tube for the purpose of conducting the oil to a cup, b, arranged at the bottom of the frame A, and in the bottom of which is arranged the lower bearing (1.
Upon the shaft a, near its upper end, and around the upper journal, is ])l'()\'ltl(tl an oil-cup, 0, so that oil, when supplicd tln-reto, will lubricate the upper journal and bcaring.
Upon the shaft (I. and around the cup 0, is arranged a larger cup; c, so that when the oil is made to overtlow said smaller cup, it will he caught within the larger one, for thc purpose hereinafter explained.
\Vithin the hollow shaft or tube a, at apoint hetwecn the said larger and smaller cups 0 and c is made an opening, c, and near the lower bcarin'g is also made a similar opening, 0', both communicating with the central cavity thereof, so that the oil caught in the larger cup, 0, from the overflowing of the smaller one, is conducted through the said tube orhollow shaft to the lower cup I); 7
h is a fixed cap or cover for the cups 0 c, rigidly attached to the upper bearing, and designed for the exclusion of dust and other foreign matter.
f is a tube, having its lower end passed through and secured within the cap or cover of the cups 0 c, and its uppcr cud outwardly and upwardly extended in a manner as'rcprcscnted in the drawings.
Upon the upper end of this tube f is secured a spring-capped oil-cup, g, which communicates through an opening in its bottom with the hollow in the tube f, so thatoil, when supplied to said cup, will be conducted into the smaller cup 0, through said tube.
The oil issupplied to the spring-capped oil-cup y, by any suitable means, and an appropriate oiler for the purpose, and the manner of applying the same is illustrated by red outlines in the drawings.
The oil thus supplied finds its way through the tube f into the smaller cup 0, and lubrioates the upper bearing.
The simplying ot' a sntiicient quantity of oil to the cup y will cause the overflowing of the cup 0, and the surplus oil, being caught by the larger cup 0', finds its way through the opening 0 into the interior of the hollow shaft (1, and out at the lower opening e, into the lower cup 7:, thereby lubricating the lower bearing. I l
By this means, the bearings oft-his and other kinds of upright revolving ventilators may be conveniently lubricatcd, and a sufiioient quantity of oil thereto supplied and rctaincd for lubricatirig-purposes, to last a long time, and without necessitating the taking down of the ventilator.
\Vhat I claim as my inveutiomand desire to have secured by Letters Patent, is-
The cups 0, c, and b, in combination with the 1101-- low spindle a, arrangcd for lubricating the upper and lower bearings of said spindle, substantially as shown and described.
HUGH THOMAS.
Witnesses FRED. Haynes, llnxnv PALMER.
US94254D Improved lubricator for ventilators Expired - Lifetime US94254A (en)

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