GB610745A - Improvements in or relating to vibrators for converting a direct current in a pressure medium into an alternating current in such medium - Google Patents
Improvements in or relating to vibrators for converting a direct current in a pressure medium into an alternating current in such mediumInfo
- Publication number
- GB610745A GB610745A GB11540/46A GB1154046A GB610745A GB 610745 A GB610745 A GB 610745A GB 11540/46 A GB11540/46 A GB 11540/46A GB 1154046 A GB1154046 A GB 1154046A GB 610745 A GB610745 A GB 610745A
- Authority
- GB
- United Kingdom
- Prior art keywords
- port
- chamber
- pressure
- medium
- disc
- 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
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
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/20—Sounding members
-
- 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)
- Reciprocating Pumps (AREA)
- Vibration Prevention Devices (AREA)
Abstract
610,745. Sirens. KOCKUMS MEKANISKA VERKSTADS AKTIEBOLAG. April 15, 1946, No. 11540. Convention date, April 28, 1945. [Class 13] In apparatus for producing vibrations in a medium comprising an oscillating member closing on one side a chamber 21 and on the other inlet and outlet ports 11 and 33, the oscillating member comprises two discs 12 and 13, the latter having a central hole closed by disc 12 to form a valve connection between port 33 and chamber 21. In operation, air under pressure is supplied to port 11 and depresses the discs and air flows out through port 33. Increase in pressure therein pushes down disc 12 and air flows through the hole in disc 13 and around the loose fitting edge of 12 to chamber 21 causing an upward pressure that cuts off flow from port 11. A cycle of vibrations is thus built up. A leaking port such as 24 is provided in chamber 21 to prevent pressure building up therein to a level which would impede starting of the device. The port 33 is connected to a horn 10 that governs the frequency produced by the device. The first part of the horn increases in crosssection with length according to an exponential formula, but the bell-mouth is curved to give a more rapid rate of increase.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE2579784X | 1945-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB610745A true GB610745A (en) | 1948-10-20 |
Family
ID=20426333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB11540/46A Expired GB610745A (en) | 1945-04-28 | 1946-04-15 | Improvements in or relating to vibrators for converting a direct current in a pressure medium into an alternating current in such medium |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2579784A (en) |
| DE (1) | DE852967C (en) |
| DK (1) | DK69476C (en) |
| ES (1) | ES173354A1 (en) |
| FR (1) | FR928843A (en) |
| GB (1) | GB610745A (en) |
| NL (1) | NL71133C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2884892A (en) * | 1954-12-01 | 1959-05-05 | Nathan Mfg Corp | Pneumatic sound producing device |
| US2918895A (en) * | 1957-03-14 | 1959-12-29 | Roy D Buell | Fluid powered horn |
| DE1138344B (en) * | 1958-09-10 | 1962-10-18 | Keiichi Shintaku | Sound generator |
| DE1183839B (en) * | 1961-10-24 | 1964-12-17 | Service Electric Company Ltd | Sound transmitter |
| SE307757B (en) * | 1965-08-24 | 1969-01-13 | Kockums Mekaniska Verkstads Ab | |
| SE307909B (en) * | 1965-10-27 | 1969-01-20 | Kockums Mekaniska Verkstads Ab | |
| US3710752A (en) * | 1971-01-11 | 1973-01-16 | Mercor Corp | Locomotive warning horn |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1730425A (en) * | 1929-10-08 | Acoustic device | ||
| US1281877A (en) * | 1913-08-19 | 1918-10-15 | Etienne Teste | Automobile-horn. |
| US1757459A (en) * | 1923-05-02 | 1930-05-06 | Western Electric Co | Sound-translating system |
| US1663648A (en) * | 1927-10-04 | 1928-03-27 | Cooper Clark | Whistle |
| US2161995A (en) * | 1935-07-22 | 1939-06-13 | Arthur T Cahill | Speaker and listening device |
| US2273968A (en) * | 1940-10-22 | 1942-02-24 | Westinghouse Air Brake Co | Pneumatic horn |
-
1946
- 1946-04-11 US US661216A patent/US2579784A/en not_active Expired - Lifetime
- 1946-04-15 GB GB11540/46A patent/GB610745A/en not_active Expired
- 1946-04-26 NL NL124993A patent/NL71133C/en active
- 1946-04-26 FR FR928843D patent/FR928843A/en not_active Expired
- 1946-04-27 DK DK164146AA patent/DK69476C/en active
- 1946-04-27 ES ES173354A patent/ES173354A1/en not_active Expired
-
1948
- 1948-12-21 DE DEP25799D patent/DE852967C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL71133C (en) | 1952-11-15 |
| DK69476C (en) | 1949-06-27 |
| US2579784A (en) | 1951-12-25 |
| DE852967C (en) | 1952-10-20 |
| FR928843A (en) | 1947-12-09 |
| ES173354A1 (en) | 1946-09-01 |
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