US357469A - Steam fog-horn - Google Patents

Steam fog-horn Download PDF

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Publication number
US357469A
US357469A US357469DA US357469A US 357469 A US357469 A US 357469A US 357469D A US357469D A US 357469DA US 357469 A US357469 A US 357469A
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Prior art keywords
horn
steam
tongue
piece
fog
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Expired - Lifetime
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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K5/00—Whistles

Definitions

  • Fig. I is an exterior side view of the improved fog-horn with a portion of the mouth thereof broken away.
  • Fig. II is a longitudinal section ofa portion of the invention.
  • Fig. III is a cross-section of the fog-horn, taken on the dotted line so 00, Fig. II.
  • Fig. IV is a rear end View of Fig. II.
  • A is the mouth-piece, a portion only of which is shown.
  • the inner end of the mouth-piece is provided with an interiorly-threaded couplingscrew, B, whereby it is attached to one end of the steam-reservoir G.
  • the other end of the reservoir is covered with a cap, D, in which is inserted the steam-pipe a, which leads from a steamboiler. (Not shown.)
  • E is a throat-piece, which projects from a disk, b, screwed into the couplingscrew 13. (See Fig. II.)
  • the throat-piece in itself embodies no inventiofi, but corresponds very nearlyin shape with others now commonly in use.
  • F is a tongue, which consists of a curved metallic plate corresponding in shape with the open side of the throatpiece. This tongue is inserted in the disk I) and held therein by means of the offsets c 0. (See Fig. IV.)
  • Gisa clamp placed over the throatpiece and tongue to hold them together.
  • the adj usting'of the tongue is accomplished by means of a set-screw, d. (Shown in Figs. II and III.)
  • the curvature of the tongue is such as to give a greater steam-opening than is required, and the clamp G is afterward set up to effect the proper width of steam-aperture.
  • the tone of the horn can be changed by moving the clamp longitudinally of the tongue and throat-piece, as by altering the length of the projecting or unsecured portion of the tongue the number of its vibrations, when acted on by the steam, is changed.
  • a small pipe, e, is used to carry 05 condensed steam from the steam-reservoir.

Description

(No Model.)
0. A. DAVIS.
STEAM FOG HORN.
No. 357,469. Patented Feb. 8', 1887.
l' gg 9///// HNvEN-r 13R- NITED STATES PATENT O FICE.
I CORNELIUS A. DAVIS, OF SOMERSET, MASSACHUSETTS.
STEAM FOG-HORN.
SPEQIPICATION forming part. of Letters Patent No. 357,469, dated February 8, 1887.
Application filed October 19, 1886. Serial No. 216,611. (No model.)
T0 aZZ whom it may concern:
Be it known that I, CORNELIUS A. DAVIS, of Somerset, in the county of Bristol and State of Massachusetts, have invented certain Improvements in Steam Fog-Horns, of which the following is a specification.
In the drawings forming a part hereof, Figare I is an exterior side view of the improved fog-horn with a portion of the mouth thereof broken away. Fig. II is a longitudinal section ofa portion of the invention. Fig. III is a cross-section of the fog-horn, taken on the dotted line so 00, Fig. II. Fig. IV isa rear end View of Fig. II.
Similar letters of reference indicate similar parts in all the-figures.
In the said drawings, A is the mouth-piece, a portion only of which is shown. The inner end of the mouth-piece is provided with an interiorly-threaded couplingscrew, B, whereby it is attached to one end of the steam-reservoir G. The other end of the reservoir is covered with a cap, D, in which is inserted the steam-pipe a, which leads from a steamboiler. (Not shown.)
E is a throat-piece, which projects from a disk, b, screwed into the couplingscrew 13. (See Fig. II.) The throat-piece in itself embodies no inventiofi, but corresponds very nearlyin shape with others now commonly in use.
F is a tongue, which consists of a curved metallic plate corresponding in shape with the open side of the throatpiece. This tongue is inserted in the disk I) and held therein by means of the offsets c 0. (See Fig. IV.)
Gisa clamp placed over the throatpiece and tongue to hold them together.
The adj usting'of the tongue is accomplished by means of a set-screw, d. (Shown in Figs. II and III.) The curvature of the tongue is such as to give a greater steam-opening than is required, and the clamp G is afterward set up to effect the proper width of steam-aperture. The tone of the horn can be changed by moving the clamp longitudinally of the tongue and throat-piece, as by altering the length of the projecting or unsecured portion of the tongue the number of its vibrations, when acted on by the steam, is changed.
A small pipe, e, is used to carry 05 condensed steam from the steam-reservoir.
I claim as my invention In a fog-horn, the combination of the steamreservoir 0, steam-supply pipe at, water-discharge pipe e, and mouth-piece A, theinner end of which mouth-piece is provided with the disk I), throat-piece E, tongue F, and clamp G, substantially as and for the purpose specified.
, CORNELIUS A. DAVIS. Witnesses:
JAMES F. GARDNER, Jos. T. DAVIS.
US357469D Steam fog-horn Expired - Lifetime US357469A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721533A (en) * 1953-08-27 1955-10-25 Alderfer Donovan Cassel Pressure operated alarm
US2970507A (en) * 1958-11-10 1961-02-07 Aeolian Skinner Organ Company Organ reed pipe
US4669415A (en) * 1984-11-03 1987-06-02 Dragerwerk Ag Alarm device for respirators

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721533A (en) * 1953-08-27 1955-10-25 Alderfer Donovan Cassel Pressure operated alarm
US2970507A (en) * 1958-11-10 1961-02-07 Aeolian Skinner Organ Company Organ reed pipe
US4669415A (en) * 1984-11-03 1987-06-02 Dragerwerk Ag Alarm device for respirators

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