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Publication numberUS398749 A
Publication typeGrant
Publication dateFeb 26, 1889
Filing dateAug 1, 1888
Publication numberUS 398749 A, US 398749A, US-A-398749, US398749 A, US398749A
InventorsHarvey D. Rice
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Harvey d
US 398749 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

(No Mndel.)



No. 398,749. Patented Feb. 26, 1889.


Erna! m i Bu aZiarng N. PETERS. Plmlo Lllhogmphev, Walhinglon, D. I:v





SPECIFICATION forming part of Letters Patent No. 398,749, dated February 26, 1889.

Application filed A t 1, 1888. Serial No. 281,653. (No model.)

To aZZ whom, it may concern.-

Be it known that we, HARVEY D. RIGE and Enws'r VoLKMANN, citizens of the United States, and residents, respectively, of the city of Brooklyn and the city of New York, both in the State of New York, have invented certain new and useful Improvements in Boiler- Tube (.leaners, of which the following is a complete (.lescription, reference being had to To the accompaning drawings, forming part of this specification.

Our invention relates to sectional watertube boilers, and its object is to n'ovide means for blowing off with stean'i-jels the soot and ashes which aceunmlate on the outside of the tubes, the special objects of our invention being to provide means whercln; i he tubes may all be cleaned. sin'iultaneously without any cold air being admitted to the fire-chamber,

and also to so arrange the ljilowing device that although located in the fire-chamber it will not be burned out.

In the accompanying drawings, Figure 1 rep resents the steam jet. l ig. 2 is a vertical lon- :2 5 gitiulinal section of the fire -chan'1ber on line X X, slmwing the jet in position. Fig. 3 is a cross-section on line Y Y, showing in full lines the position of the jet when not in use and in dotted lines its position when 0 in use. Fig. 4C is a plan on line Z Z, showing in full lines the position of the jet when not in use and in dotted lines its position when in use. liig. 5 aplan of thctopot' the boiler with the tube cleaner in position.

Similar letters of reference designate similar parts in the several drawings.

The tube-cleaner consists of a pipe, A, set at right angles to the tube 1; of the boiler. On

this pipe, and at right angles thereto, is at- L 40 tached a row of short branch nipples. The

distance between centers of these nipples is the same as the distance between centers of the horizontal rows of boiler-tubes measured on a line perpendiular thereto and parallel with the pipe A. A pocket or recess, P, is provided in the side wall, 'W, of the boiler, such recess being perpendicular to the boilertubes B. The upper part of the recess is provided with a fitting, O, of ,U-shaped-section,

. ted lines.

which is embedded in the masonry in such a way as to form a prolongation of the recess. The sides or wings of the fitting (l are provided with slanting slots S matching each other and pitching down toward the bottom of the recess l.

The pipe A is provided with a collar, I), having a side boss out of each side of which projects a pin, E, which engages in the two slots S. The collar Dis secured permanently in position on the pipe A. The pipe A runs through the ceilingot the fire-chamber, there being an opening cut therefor in the brickwork. This opening is covered by a stationary plate, G, which has an opening, g, covered by an additional plate, II, which latter is free to slide on the upper side ol the plate G in suitably-provided guides. The pipe A runs through the opening g and through a hole bored in the movable plate ll, in which it may freely be turned or raised and lowered. A hand-wheel, K. furnishes the means of handling the pipe A. A split collar, N, with a tightening-screw, (),is placed on the pipe A above the plate H. L is ahose for supplying steam to the pipe A, the lower end of which 7 5 pipe is plugged at M. When not in use, the pipe A is in the position shown in full lines, Figs. 3 and 4. The screw 0 on the split collar N being slack, the pipe A lies as low as the slots S will allow it to fall and the pitch of those slots has moved the pipe into the recess P, where it is protected from direct contact with the flame. As afnrtherprecaution, the hand-wheel K should be turned so as to bring the nipples to also inside of the recess I. In this position the plate H has moved as far to the left as possible. When the pipe A lies in the above position, the sides of the pocket 1 limit the range through which the jets issuing from the nipples a can play on the length of the boiler-tubes B. Therefore to use the jets to best an'lvantagc the tube A should be brought forward out of the recess 1. This is done by raising the hand-wheel K. The pin E, followingthe upward and outward 5 pitch of the slots S, throws the pipe A out of the recess and into the position shown in dot- Then by letting the split collar N slide down on the plate II and locking it there by means of the screw 0 the pipe A may be held at any desired height, and still may be revolved so that the jets of steam may be trained on an point in the length of the tubes.

\Vhile a combination of levers could be readily devised to give the pipe A the same throw out of the recess P as the combination of the slots S and pin E, and while therefore we do not wish to limit ourselves to this mechanisnnas shown'and described,

hat we claim as our invention, and desire to secure by Letters Patent, is

The combination of a boiler-tube cleaner HARVEY D. RICE. ERNST VOLKMANN.

In presence of- W. H. LEEOH, A. HOWARD ABENDROTH.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5616582 *Jun 15, 1995Apr 1, 1997Zeneca LimitedQuinazoline derivatives as anti-proliferative agents
Cooperative ClassificationF28G3/166