WO2018206838A1 - Dispositif d'accordage par décompression pour trompette à pistons et trompette à piston pourvue dudit dispositif - Google Patents

Dispositif d'accordage par décompression pour trompette à pistons et trompette à piston pourvue dudit dispositif Download PDF

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Publication number
WO2018206838A1
WO2018206838A1 PCT/ES2018/070354 ES2018070354W WO2018206838A1 WO 2018206838 A1 WO2018206838 A1 WO 2018206838A1 ES 2018070354 W ES2018070354 W ES 2018070354W WO 2018206838 A1 WO2018206838 A1 WO 2018206838A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
trumpet
valve
decompression
tuning
Prior art date
Application number
PCT/ES2018/070354
Other languages
English (en)
Spanish (es)
Inventor
Francisco Javier MONTESINOS FIDES
Original Assignee
Montesinos Fides Francisco Javier
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Montesinos Fides Francisco Javier filed Critical Montesinos Fides Francisco Javier
Publication of WO2018206838A1 publication Critical patent/WO2018206838A1/fr

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D9/00—Details of, or accessories for, wind musical instruments
    • G10D9/01—Tuning devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
    • G10D7/00—General design of wind musical instruments
    • G10D7/10—Lip-reed wind instruments, i.e. using the vibration of the musician's lips, e.g. cornets, trumpets, trombones or French horns

Definitions

  • the present invention refers to a decompression tuning device for piston trumpets, its object also extending to a piston trumpet provided said decompression tuning device, with the content described in the set of claims, which are hereby reproduced, in which the tuning is carried out by means of a decompression in the third and general pumps respectively, which has been conceived and carried out in order to obtain advantages of tuning and loudness in some of the notes that the trumpet player should play, which in today's trumpets is very difficult to obtain a clean, broad, tuned and powerful sound.
  • the most frequently used trumpet is the piston trumpet, which is formed by a set of ducts that transmit with the air the vibrations generated by the trumpeter's breath in the mouthpiece to the bell where the sound comes out and the sound is amplified.
  • the piston trumpets are also provided with the main ducts of a set of pumps, which are tubes that can travel a certain distance by lengthening or shortening the length of the tube. The length of the tube affects the frequency of the vibration, so the displacement of the pumps is used to adjust and fine tune the instrument.
  • the general tuning of the instrument is adjusted, and it allows correcting the change of external conditions such as temperature, which by dilations or contractions modifies the dimensions of the ducts of the instrument or atmospheric pressure, which modifies the behavior of sound vibrations inside the tubes through which the air passes.
  • first, second and third of which the second is also adjusted for the tuning of the instrument, and the first and third pumps are movable at the will of the interpreter.
  • the pistons open or close the passage of air through the first to third pumps, modifying the length of the air passage duct, and therefore the vibration frequency.
  • a trumpet in C there are notes in which a correct tuning is not reached, and it is only the ability of the interpreter that allows an interpretation to be acceptable. We call these notes fragile notes.
  • some of these notes, for a trumpet in Do are an acute natural Do (Do 4 Q ), Natural Re, Mi natural, Mission sustained Do (Do # 2 Q ), The acute flat (La b 3 Q ), or My flat flat (Mi b 4 Q ). This is because the pressure waves produced inside the ducts for the frequencies in question, generate shocks and interferences that modify the output frequency in the sound.
  • Other piston trumpets have similar problems with the same or with other notes, and the proposed solution is also applicable to them.
  • the piston trumpets have keys, especially in the general and third pumps, to evacuate the condensation water that is produced inside the instrument. These Keys have two positions, open or closed, and in no case can they be operated during interpretation.
  • the device of the invention consists of a variable valve that can be arranged especially in the general and third pumps, said valve being provided with a lever that the interpreter can actuate during the interpretation, said valve having a passage opening variable depending on the degree of lever operation.
  • the air leaves when we want to release it and at the desired intensity.
  • This air outlet corrects the internal pressure and the behavior of the sound waves inside the tube, consequently a perfect tuning of the tuned notes without said air outlet, without the rest of the notes being altered, and therefore, without changing its pitch when the valve is closed.
  • the piston trumpets have tuning mechanisms, due to the modification of the length of the passage of air that constitutes the instrument. These mechanisms are called tuning pumps.
  • a conventional piston trumpet has four tuning pumps (usually the first to third pumps are those corresponding to the pistons, and general pump). This, due to the instrument's own construction and tuning system, results in notes called "fragile" in the performance due to its poor tuning, that is, the vibration occurs at a different frequency than it should.
  • a decompression tuning device for a piston trumpet which may be located at one or more points of the trumpet, usually of the general and third pumps, which by means of a bypass valve Variable actuated by a lever regulates an air outlet, modifying the air pressure inside the instrument and the frequency of the vibration, which allows to obtain an adjustment of said vibration frequency and a perfect centering and tuning of the note that it must sound, and particularly of the so-called fragile notes.
  • the valve will normally be formed by a body or casing, which will be welded to the corresponding pump, with a sealing plunger and a spring that tends to keep the valve in a closed position, and that through the action of the lever will adopt any condition between a fully open condition and a fully closed condition.
  • the piston is provided with a drive head that is actuated by the lever, opening the valve in the desired magnitude, and thus allowing to regulate the passage of air, which results in a modification of the frequency and position of the vibration in the instrument and pitch of the note.
  • the lever is ergonomic.
  • Figure 1 Shows a schematic view of a piston trumpet provided with the decompression tuning device of the invention with valves and levers subject respectively to the third pump and general pump;
  • Figure 2 Shows a detail of a decompression valve composed of box, plunger, spring and cover;
  • Figure 3 Shows a detail of the actuation lever of the decompression valve.
  • the invention relates to a decompression tuning device for a piston trumpet, as can be seen in the attached figures, it comprises two main elements, a valve (2) and a valve actuation lever (1) (2).
  • the valve (2) is preferably of variable pitch, so that said passage can be regulated according to the degree of actuation of the actuator lever (1).
  • the valve (2) will normally be formed by a box or perforated casing (brass barrel), which houses inside a piston, a spring that tends to keep the valve closed, and a containment lid.
  • the piston has a drive head that will be actuated by the lever (1) against spring elastic force, returning to its resting position when the lever stops acting on said drive head.
  • valves are arranged on the general pump (4) and on the third pump (3), although within the scope of the invention they could be arranged in any of the first or second pumps, or in another position of the main tube.
  • valves are connected to the general pump and the third pump respectively, usually by welding.
  • the general and third pumps will be provided with respective holes in accordance with said valves, and pressing the plunger opens the valve to a certain extent so as to allow the passage of air with the desired intensity.
  • the vibration frequency is modified and tuning of the fragile or unstable notes is achieved, in a simple way reducing the effort of the interpreter, and achieving an improved result with respect to the current trumpets .
  • two devices such as those described, will be installed in the trumpet, one in the general pump and the other in the third pump, thus solving the problem of cleanliness, amplitude, tuning and power.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reciprocating Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

L'invention concerne un dispositif d'accordage par décompression pour trompette à pistons qui est placé sur une trompette formée d'un ensemble de pompes ou de tubes de longueur variable, une pompe générale (4) qui permet de régler l'accordage général de l'instrument, et des pompes primaire, secondaire et tertiaire (3), et qui est caractérisé en ce qu'il comprend un clapet (2) à pas variable qui peut se trouver dans un quelconque état entre un état totalement fermé et un état totalement ouvert, ledit clapet étant actionné au moyen d'un levier (1) fixé à l'instrument, ledit levier étant accessible à l'interprète depuis la position de manipulation de l'instrument sans modification de la position des mains ; ledit dispositif pouvant se trouver sur n'importe lequel des pistons de la trompette. L'invention porte également sur une trompette pourvue dudit dispositif.
PCT/ES2018/070354 2017-05-12 2018-05-12 Dispositif d'accordage par décompression pour trompette à pistons et trompette à piston pourvue dudit dispositif WO2018206838A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESU201700412 2017-05-12
ES201700412U ES1195511Y (es) 2017-05-12 2017-05-12 Dispositivo de afinación por descompresión para trompetas de pistones

Publications (1)

Publication Number Publication Date
WO2018206838A1 true WO2018206838A1 (fr) 2018-11-15

Family

ID=60120774

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2018/070354 WO2018206838A1 (fr) 2017-05-12 2018-05-12 Dispositif d'accordage par décompression pour trompette à pistons et trompette à piston pourvue dudit dispositif

Country Status (2)

Country Link
ES (1) ES1195511Y (fr)
WO (1) WO2018206838A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB305385A (en) * 1928-02-28 1929-02-07 Ernest Joseph Perry Improvements in or relating to cornets, trumpets, and like musical instruments
US2738696A (en) * 1952-11-05 1956-03-20 Ritterbach Siegfried Tone adjusting means for brass wind instruments
WO2003041050A2 (fr) * 2001-11-09 2003-05-15 Lampeg, Nikola Correcteur d'imperfections d'intonation pour cuivres

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB305385A (en) * 1928-02-28 1929-02-07 Ernest Joseph Perry Improvements in or relating to cornets, trumpets, and like musical instruments
US2738696A (en) * 1952-11-05 1956-03-20 Ritterbach Siegfried Tone adjusting means for brass wind instruments
WO2003041050A2 (fr) * 2001-11-09 2003-05-15 Lampeg, Nikola Correcteur d'imperfections d'intonation pour cuivres

Also Published As

Publication number Publication date
ES1195511Y (es) 2018-01-17
ES1195511U (es) 2017-10-27

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