GB191316032A - Improvements in or relating to Syrens and like Sound Producing Apparatus. - Google Patents

Improvements in or relating to Syrens and like Sound Producing Apparatus.

Info

Publication number
GB191316032A
GB191316032A GB191316032DA GB191316032A GB 191316032 A GB191316032 A GB 191316032A GB 191316032D A GB191316032D A GB 191316032DA GB 191316032 A GB191316032 A GB 191316032A
Authority
GB
United Kingdom
Prior art keywords
siren
syrens
relating
producing apparatus
sound producing
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.)
Expired
Application number
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.)
Ets Bleriot L SA
Original Assignee
Ets Bleriot L SA
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 Ets Bleriot L SA filed Critical Ets Bleriot L SA
Application granted granted Critical
Publication of GB191316032A publication Critical patent/GB191316032A/en
Expired 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
    • G10K7/00—Sirens

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

16,032. Soc. Anon. des Etablissements L. Bleriot. July 12,1912, [Convention date]. Multi-stage centrifugal fans. - A. centrifugal blower for a rotary siren is mounted on the stator or outer casing of the siren and formed as a series of successive compression chambers. The shaft d' carrying the siren rotor b also carries the blower blades h and is driven through the clutch d'. Guide blades j are mounted on the inner walls of the casing.
GB191316032D 1912-07-12 1913-07-11 Improvements in or relating to Syrens and like Sound Producing Apparatus. Expired GB191316032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE191316032X 1912-07-12

Publications (1)

Publication Number Publication Date
GB191316032A true GB191316032A (en) 1914-04-09

Family

ID=32330700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191316032D Expired GB191316032A (en) 1912-07-12 1913-07-11 Improvements in or relating to Syrens and like Sound Producing Apparatus.

Country Status (1)

Country Link
GB (1) GB191316032A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113706798A (en) * 2021-07-28 2021-11-26 杭州中伦信号技术有限公司 Alarm device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113706798A (en) * 2021-07-28 2021-11-26 杭州中伦信号技术有限公司 Alarm device
CN113706798B (en) * 2021-07-28 2023-10-31 杭州中伦信号技术有限公司 Alarm device

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