FR2273334A2 - Pneumatic double horn for vehicles - has air admitted through valve and collected water expelled through duct - Google Patents

Pneumatic double horn for vehicles - has air admitted through valve and collected water expelled through duct

Info

Publication number
FR2273334A2
FR2273334A2 FR7506761A FR7506761A FR2273334A2 FR 2273334 A2 FR2273334 A2 FR 2273334A2 FR 7506761 A FR7506761 A FR 7506761A FR 7506761 A FR7506761 A FR 7506761A FR 2273334 A2 FR2273334 A2 FR 2273334A2
Authority
FR
France
Prior art keywords
valve
duct
connecting piece
vehicles
collected water
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7506761A
Other languages
English (en)
French (fr)
Other versions
FR2273334B2 (it
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FRIGO DOMINICO
Original Assignee
FRIGO DOMINICO
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 FRIGO DOMINICO filed Critical FRIGO DOMINICO
Publication of FR2273334A2 publication Critical patent/FR2273334A2/fr
Application granted granted Critical
Publication of FR2273334B2 publication Critical patent/FR2273334B2/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
    • 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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/02—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated
    • G10K9/04—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas; e.g. suction operated by compressed gases, e.g. compressed air

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR7506761A 1974-03-25 1975-03-04 Pneumatic double horn for vehicles - has air admitted through valve and collected water expelled through duct Granted FR2273334A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT4958974A IT1047018B (it) 1974-03-25 1974-03-25 Avvisatore acustico pneumatico con cornetti accoppiati avvolti a chiocciola e complanari

Publications (2)

Publication Number Publication Date
FR2273334A2 true FR2273334A2 (en) 1975-12-26
FR2273334B2 FR2273334B2 (it) 1977-12-09

Family

ID=11271103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7506761A Granted FR2273334A2 (en) 1974-03-25 1975-03-04 Pneumatic double horn for vehicles - has air admitted through valve and collected water expelled through duct

Country Status (4)

Country Link
BR (1) BR7408101A (it)
DE (1) DE2501584C3 (it)
FR (1) FR2273334A2 (it)
IT (1) IT1047018B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812096A1 (de) * 1988-04-12 1989-10-26 Hella Kg Hueck & Co Signalhorn, insbesondere fuer kraftfahrzeuge
ITVI20010270A1 (it) * 2001-12-28 2003-06-28 Stebel Spa Avvisatore acustico elettropneumatico

Also Published As

Publication number Publication date
FR2273334B2 (it) 1977-12-09
IT1047018B (it) 1980-09-10
DE2501584B2 (de) 1978-06-01
DE2501584C3 (de) 1979-02-01
DE2501584A1 (de) 1975-10-02
BR7408101A (pt) 1976-04-27

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