GB2252048B - Powered respirators - Google Patents
Powered respiratorsInfo
- Publication number
- GB2252048B GB2252048B GB9204837A GB9204837A GB2252048B GB 2252048 B GB2252048 B GB 2252048B GB 9204837 A GB9204837 A GB 9204837A GB 9204837 A GB9204837 A GB 9204837A GB 2252048 B GB2252048 B GB 2252048B
- Authority
- GB
- United Kingdom
- Prior art keywords
- powered respirators
- respirators
- powered
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/04—Gas helmets
- A62B18/045—Gas helmets with fans for delivering air for breathing mounted in or on the helmet
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9204837A GB2252048B (en) | 1988-06-25 | 1992-03-06 | Powered respirators |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888815179A GB8815179D0 (en) | 1988-06-25 | 1988-06-25 | Differential pressure sensor |
GB9204837A GB2252048B (en) | 1988-06-25 | 1992-03-06 | Powered respirators |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9204837D0 GB9204837D0 (en) | 1992-04-22 |
GB2252048A GB2252048A (en) | 1992-07-29 |
GB2252048B true GB2252048B (en) | 1992-10-14 |
Family
ID=26294082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9204837A Expired - Fee Related GB2252048B (en) | 1988-06-25 | 1992-03-06 | Powered respirators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2252048B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11910864B2 (en) | 2020-05-01 | 2024-02-27 | Rockwell Collins, Inc. | LED information cueing apparatus for spacesuit helmet |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022074426A1 (en) * | 2020-10-06 | 2022-04-14 | Кирилл КУЛАКОВСКИЙ | Personal air filtration system |
GB2612608B (en) * | 2021-11-04 | 2024-06-05 | Dyson Technology Ltd | Wearable air purifier |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2215216A (en) * | 1988-03-01 | 1989-09-20 | Sabre Safety Ltd | Positive pressure breathing apparatus |
-
1992
- 1992-03-06 GB GB9204837A patent/GB2252048B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2215216A (en) * | 1988-03-01 | 1989-09-20 | Sabre Safety Ltd | Positive pressure breathing apparatus |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11910864B2 (en) | 2020-05-01 | 2024-02-27 | Rockwell Collins, Inc. | LED information cueing apparatus for spacesuit helmet |
Also Published As
Publication number | Publication date |
---|---|
GB9204837D0 (en) | 1992-04-22 |
GB2252048A (en) | 1992-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070621 |