GB1421649A - Ventilation units - Google Patents
Ventilation unitsInfo
- Publication number
- GB1421649A GB1421649A GB5048573A GB5048573A GB1421649A GB 1421649 A GB1421649 A GB 1421649A GB 5048573 A GB5048573 A GB 5048573A GB 5048573 A GB5048573 A GB 5048573A GB 1421649 A GB1421649 A GB 1421649A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- air
- motor
- impeller
- screw
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
1421649 Screw fans TOLERIES DE GRENOBLE 30 Oct 1973 [8 Nov 1972] 50485/73 Heading F1C [Also in Divisions F3 and 4] A ventilating air circulating unit comprises a screw fan impeller 5 and motor 4 mounted inside a cylinder 1 and end members 10, 7 and 11 for connecting the cylinder 1 with air-flow ducts, wherein the cylinder 1 may be inverted as shown to reverse the direction of air-flow therethrough. A removable filter 12 may be provided within the cylinder 1. The unit may be used in air extraction Fig. 1 (not shown) or air delivery Fig. 2 (not shown) systems stated to be known. An inlet nozzle 6 for the impeller 5 and support arms 3 for the motor 4 are fixed to a ring 2 which is welded to the cylinder 1.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7240253A FR2205950A5 (en) | 1972-11-08 | 1972-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1421649A true GB1421649A (en) | 1976-01-21 |
Family
ID=9107099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5048573A Expired GB1421649A (en) | 1972-11-08 | 1973-10-30 | Ventilation units |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE806313A (en) |
FR (1) | FR2205950A5 (en) |
GB (1) | GB1421649A (en) |
IT (1) | IT999184B (en) |
LU (1) | LU68751A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2454573C2 (en) * | 2007-03-06 | 2012-06-27 | Лн 2 С.Р.Л. А Сочо Унико | Header, mainly spiral header for fans to be used in exhaust hoods of exhausters |
CN103511353A (en) * | 2012-06-25 | 2014-01-15 | 恩科(苏州)通风***有限公司 | Improved structure of circular pipeline fan |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2867842B1 (en) * | 2004-03-16 | 2007-01-12 | Soler Y Palau Sa | VENTILATION FITTING AND HOUSING COMPRISING SUCH A FITTING |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1890758A (en) * | 1930-12-11 | 1932-12-13 | John R Townsend | Ventilator |
US2415621A (en) * | 1944-10-20 | 1947-02-11 | Solar Aircraft Co | Fan |
FR72042E (en) * | 1957-05-29 | 1960-03-21 | App Electr Etoile Soc D | Improvement in devices for ventilation of premises |
US2922570A (en) * | 1957-12-04 | 1960-01-26 | Burris R Allen | Automatic booster fan and ventilating shield |
US3102679A (en) * | 1962-01-15 | 1963-09-03 | Loren Cook Company | Centrifugal impeller units |
-
1972
- 1972-11-08 FR FR7240253A patent/FR2205950A5/fr not_active Expired
-
1973
- 1973-10-19 BE BE6044330A patent/BE806313A/en unknown
- 1973-10-30 GB GB5048573A patent/GB1421649A/en not_active Expired
- 1973-11-02 IT IT3087073A patent/IT999184B/en active
- 1973-11-06 LU LU68751D patent/LU68751A1/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2454573C2 (en) * | 2007-03-06 | 2012-06-27 | Лн 2 С.Р.Л. А Сочо Унико | Header, mainly spiral header for fans to be used in exhaust hoods of exhausters |
CN103511353A (en) * | 2012-06-25 | 2014-01-15 | 恩科(苏州)通风***有限公司 | Improved structure of circular pipeline fan |
Also Published As
Publication number | Publication date |
---|---|
FR2205950A5 (en) | 1974-05-31 |
LU68751A1 (en) | 1974-01-18 |
IT999184B (en) | 1976-02-20 |
BE806313A (en) | 1974-02-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee | ||
PCPE | Delete 'patent ceased' from journal |
Free format text: 4918,PAGE 1811 |
|
PCNP | Patent ceased through non-payment of renewal fee |