GB1400812A - Steam driven diaphragm valve sound transmitter - Google Patents
Steam driven diaphragm valve sound transmitterInfo
- Publication number
- GB1400812A GB1400812A GB4325672A GB4325672A GB1400812A GB 1400812 A GB1400812 A GB 1400812A GB 4325672 A GB4325672 A GB 4325672A GB 4325672 A GB4325672 A GB 4325672A GB 1400812 A GB1400812 A GB 1400812A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cavity
- passages
- chamber
- diaphragm valve
- passage
- 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
- G10K7/00—Sirens
- G10K7/06—Sirens in which the sound-producing member is driven by a fluid, e.g. by a compressed gas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Fluid-Driven Valves (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Details Of Valves (AREA)
Abstract
1400812 Foghorn KOCKUMS MEKANISKA VERKSTADS AB 19 Sept 1972 [27 Sept 1971] 43256/72 Heading G5J In a foghorn, to stop the diaphragm 7 from vibrating when no sound is required, steam is fed from the inlet chamber 8 through passages (12, 19, Fig. 3, not shown), to a valve cavity 14 and thence through passages 23, 11 to a back pressure chamber 10. A drain passage (21, Fig. 2, not shown), leading from the cavity 15 to a pipe 22, is of smaller diameter than the passages (12, 19) from the inlet chamber 8 to the cavity 15, so that the flow therethrough does not significantly reduce the pressure in cavity 15 and chamber 10. When sound is required, an electromagnetic actuator (29, Fig. 2, not shown) operates a ball-valve (20) to open a passage (27, 26) to atmosphere, passage (27, 26) being wider than the passages (12, 19) so as to produce a significant drop in pressure in cavity 15 and chamber 10.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE12168/71A SE348578B (en) | 1971-09-27 | 1971-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1400812A true GB1400812A (en) | 1975-07-23 |
Family
ID=20295271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4325672A Expired GB1400812A (en) | 1971-09-27 | 1972-09-19 | Steam driven diaphragm valve sound transmitter |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3791339A (en) |
| JP (1) | JPS5237916B2 (en) |
| DE (1) | DE2244135B2 (en) |
| DK (1) | DK128962B (en) |
| GB (1) | GB1400812A (en) |
| NO (1) | NO127030B (en) |
| PL (1) | PL79467B1 (en) |
| SE (1) | SE348578B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE376317B (en) * | 1973-09-24 | 1975-05-12 | Kockums Mekaniska Verkstads Ab | |
| JPS52157588U (en) * | 1976-05-25 | 1977-11-30 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE316401B (en) * | 1969-01-09 | 1969-10-20 | Kockums Mekaniska Verkstads Ab |
-
1971
- 1971-09-27 SE SE12168/71A patent/SE348578B/xx unknown
-
1972
- 1972-09-08 DE DE19722244135 patent/DE2244135B2/en active Granted
- 1972-09-19 GB GB4325672A patent/GB1400812A/en not_active Expired
- 1972-09-25 NO NO03420/72A patent/NO127030B/no unknown
- 1972-09-26 PL PL1972157921A patent/PL79467B1/pl unknown
- 1972-09-26 US US00292372A patent/US3791339A/en not_active Expired - Lifetime
- 1972-09-26 JP JP47095825A patent/JPS5237916B2/ja not_active Expired
- 1972-09-27 DK DK477472AA patent/DK128962B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO127030B (en) | 1973-04-24 |
| DK128962B (en) | 1974-07-29 |
| PL79467B1 (en) | 1975-06-30 |
| JPS5237916B2 (en) | 1977-09-26 |
| SE348578B (en) | 1972-09-04 |
| US3791339A (en) | 1974-02-12 |
| DE2244135A1 (en) | 1973-04-05 |
| DE2244135B2 (en) | 1976-05-26 |
| JPS4843314A (en) | 1973-06-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |